Mercurial > repos > blastem
annotate blastem.c @ 446:1e828ed04a7c
Implement 68K stop instruction
author | Mike Pavone <pavone@retrodev.com> |
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date | Fri, 19 Jul 2013 22:44:00 -0700 |
parents | cc754a309ead |
children | e730fc040169 |
rev | line source |
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1 #include "68kinst.h" |
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2 #include "m68k_to_x86.h" |
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3 #include "z80_to_x86.h" |
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4 #include "mem.h" |
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5 #include "vdp.h" |
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6 #include "render.h" |
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7 #include "blastem.h" |
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8 #include <stdio.h> |
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9 #include <stdlib.h> |
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10 #include <string.h> |
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11 |
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12 #define CARTRIDGE_WORDS 0x200000 |
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13 #define RAM_WORDS 32 * 1024 |
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14 #define Z80_RAM_BYTES 8 * 1024 |
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15 |
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16 #define MCLKS_NTSC 53693175 |
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17 #define MCLKS_PAL 53203395 |
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18 |
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19 #define MCLKS_PER_68K 7 |
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20 #define MCLKS_PER_YM MCLKS_PER_68K |
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21 #define MCLKS_PER_Z80 15 |
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22 #define MCLKS_PER_PSG (MCLKS_PER_Z80*16) |
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23 |
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24 //TODO: Figure out the exact value for this |
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25 #define LINES_NTSC 262 |
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26 #define LINES_PAL 312 |
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27 |
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28 uint32_t mclks_per_frame = MCLKS_LINE*LINES_NTSC; |
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29 |
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30 uint16_t cart[CARTRIDGE_WORDS]; |
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31 uint16_t ram[RAM_WORDS]; |
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32 uint8_t z80_ram[Z80_RAM_BYTES]; |
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33 |
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34 int headless = 0; |
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35 int z80_enabled = 1; |
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36 int frame_limit = 0; |
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37 |
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38 tern_node * config; |
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39 |
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40 #ifndef MIN |
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41 #define MIN(a,b) ((a) < (b) ? (a) : (b)) |
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42 #endif |
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43 |
166 | 44 #define SMD_HEADER_SIZE 512 |
45 #define SMD_MAGIC1 0x03 | |
46 #define SMD_MAGIC2 0xAA | |
47 #define SMD_MAGIC3 0xBB | |
48 #define SMD_BLOCK_SIZE 0x4000 | |
49 | |
50 int load_smd_rom(long filesize, FILE * f) | |
51 { | |
52 uint8_t block[SMD_BLOCK_SIZE]; | |
53 filesize -= SMD_HEADER_SIZE; | |
54 fseek(f, SMD_HEADER_SIZE, SEEK_SET); | |
55 | |
56 uint16_t * dst = cart; | |
57 while (filesize > 0) { | |
58 fread(block, 1, SMD_BLOCK_SIZE, f); | |
59 for (uint8_t *low = block, *high = (block+SMD_BLOCK_SIZE/2), *end = block+SMD_BLOCK_SIZE; high < end; high++, low++) { | |
60 *(dst++) = *high << 8 | *low; | |
61 } | |
62 filesize -= SMD_BLOCK_SIZE; | |
63 } | |
64 return 1; | |
65 } | |
66 | |
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67 int load_rom(char * filename) |
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68 { |
166 | 69 uint8_t header[10]; |
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70 FILE * f = fopen(filename, "rb"); |
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71 if (!f) { |
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72 return 0; |
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73 } |
166 | 74 fread(header, 1, sizeof(header), f); |
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75 fseek(f, 0, SEEK_END); |
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76 long filesize = ftell(f); |
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77 if (filesize/2 > CARTRIDGE_WORDS) { |
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78 //carts bigger than 4MB not currently supported |
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79 filesize = CARTRIDGE_WORDS*2; |
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80 } |
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81 fseek(f, 0, SEEK_SET); |
166 | 82 if (header[1] == SMD_MAGIC1 && header[8] == SMD_MAGIC2 && header[9] == SMD_MAGIC3) { |
83 int i; | |
84 for (i = 3; i < 8; i++) { | |
85 if (header[i] != 0) { | |
86 break; | |
87 } | |
88 } | |
89 if (i == 8) { | |
90 if (header[2]) { | |
91 fprintf(stderr, "%s is a split SMD ROM which is not currently supported", filename); | |
92 exit(1); | |
93 } | |
94 return load_smd_rom(filesize, f); | |
95 } | |
96 } | |
97 fread(cart, 2, filesize/2, f); | |
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98 fclose(f); |
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99 for(unsigned short * cur = cart; cur - cart < (filesize/2); ++cur) |
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100 { |
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101 *cur = (*cur >> 8) | (*cur << 8); |
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102 } |
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103 //TODO: Mirror ROM |
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104 return 1; |
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105 } |
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106 |
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107 uint16_t read_dma_value(uint32_t address) |
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108 { |
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109 //addresses here are word addresses (i.e. bit 0 corresponds to A1), so no need to do div by 2 |
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110 if (address < 0x200000) { |
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111 return cart[address]; |
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112 } else if(address >= 0x700000) { |
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113 return ram[address & 0x7FFF]; |
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114 } |
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115 //TODO: Figure out what happens when you try to DMA from weird adresses like IO or banked Z80 area |
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116 return 0; |
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117 } |
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118 |
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119 //TODO: Make these dependent on the video mode |
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120 //#define VINT_CYCLE ((MCLKS_LINE * 225 + (148 + 40) * 4)/MCLKS_PER_68K) |
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121 #define ZVINT_CYCLE ((MCLKS_LINE * 225 + (148 + 40) * 4)/MCLKS_PER_Z80) |
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122 //#define VINT_CYCLE ((MCLKS_LINE * 226)/MCLKS_PER_68K) |
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123 //#define ZVINT_CYCLE ((MCLKS_LINE * 226)/MCLKS_PER_Z80) |
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124 |
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125 void adjust_int_cycle(m68k_context * context, vdp_context * v_context) |
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126 { |
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127 context->int_cycle = CYCLE_NEVER; |
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128 if ((context->status & 0x7) < 6) { |
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129 uint32_t next_vint = vdp_next_vint(v_context); |
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130 if (next_vint != CYCLE_NEVER) { |
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131 next_vint /= MCLKS_PER_68K; |
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132 context->int_cycle = next_vint; |
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133 context->int_num = 6; |
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134 } |
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135 if ((context->status & 0x7) < 4) { |
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136 uint32_t next_hint = vdp_next_hint(v_context); |
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137 if (next_hint != CYCLE_NEVER) { |
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138 next_hint /= MCLKS_PER_68K; |
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139 if (next_hint < context->int_cycle) { |
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140 context->int_cycle = next_hint; |
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141 context->int_num = 4; |
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142 |
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143 } |
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144 } |
186
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145 } |
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146 } |
317
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147 |
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148 context->target_cycle = context->int_cycle < context->sync_cycle ? context->int_cycle : context->sync_cycle; |
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149 /*printf("Cyc: %d, Trgt: %d, Int Cyc: %d, Int: %d, Mask: %X, V: %d, H: %d, HICount: %d, HReg: %d, Line: %d\n", |
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150 context->current_cycle, context->target_cycle, context->int_cycle, context->int_num, (context->status & 0x7), |
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151 v_context->regs[REG_MODE_2] & 0x20, v_context->regs[REG_MODE_1] & 0x10, v_context->hint_counter, v_context->regs[REG_HINT], v_context->cycles / MCLKS_LINE);*/ |
186
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152 } |
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153 |
198
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154 int break_on_sync = 0; |
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155 |
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156 uint8_t reset = 1; |
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157 uint8_t need_reset = 0; |
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158 uint8_t busreq = 0; |
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159 uint8_t busack = 0; |
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160 uint32_t busack_cycle = CYCLE_NEVER; |
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161 uint8_t new_busack = 0; |
280 | 162 //#define DO_DEBUG_PRINT |
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163 #ifdef DO_DEBUG_PRINT |
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164 #define dprintf printf |
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165 #define dputs puts |
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166 #else |
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167 #define dprintf |
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168 #define dputs |
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169 #endif |
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170 |
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171 #define Z80_VINT_DURATION 128 |
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172 |
268
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173 void sync_z80(z80_context * z_context, uint32_t mclks) |
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174 { |
265
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175 if (z80_enabled && !reset && !busreq) { |
333 | 176 genesis_context * gen = z_context->system; |
260
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177 if (need_reset) { |
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178 z80_reset(z_context); |
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179 need_reset = 0; |
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180 } |
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181 z_context->sync_cycle = mclks / MCLKS_PER_Z80; |
333 | 182 uint32_t vint_cycle = vdp_next_vint_z80(gen->vdp) / MCLKS_PER_Z80; |
260
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183 while (z_context->current_cycle < z_context->sync_cycle) { |
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184 if (z_context->iff1 && z_context->current_cycle < (vint_cycle + Z80_VINT_DURATION)) { |
335 | 185 z_context->int_cycle = vint_cycle < z_context->int_enable_cycle ? z_context->int_enable_cycle : vint_cycle; |
260
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186 } |
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187 z_context->target_cycle = z_context->sync_cycle < z_context->int_cycle ? z_context->sync_cycle : z_context->int_cycle; |
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188 dprintf("Running Z80 from cycle %d to cycle %d. Native PC: %p\n", z_context->current_cycle, z_context->sync_cycle, z_context->native_pc); |
260
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189 z80_run(z_context); |
268
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190 dprintf("Z80 ran to cycle %d\n", z_context->current_cycle); |
260
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191 } |
289
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192 } else { |
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193 z_context->current_cycle = mclks / MCLKS_PER_Z80; |
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194 } |
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195 } |
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196 |
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197 void sync_sound(genesis_context * gen, uint32_t target) |
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198 { |
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199 //printf("YM | Cycle: %d, bpos: %d, PSG | Cycle: %d, bpos: %d\n", gen->ym->current_cycle, gen->ym->buffer_pos, gen->psg->cycles, gen->psg->buffer_pos * 2); |
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200 psg_run(gen->psg, target); |
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201 ym_run(gen->ym, target); |
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202 |
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203 //printf("Target: %d, YM bufferpos: %d, PSG bufferpos: %d\n", target, gen->ym->buffer_pos, gen->psg->buffer_pos * 2); |
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204 } |
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205 |
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206 uint32_t frame=0; |
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207 m68k_context * sync_components(m68k_context * context, uint32_t address) |
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208 { |
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209 //TODO: Handle sync targets smaller than a single frame |
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210 genesis_context * gen = context->system; |
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211 vdp_context * v_context = gen->vdp; |
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212 z80_context * z_context = gen->z80; |
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213 uint32_t mclks = context->current_cycle * MCLKS_PER_68K; |
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214 sync_z80(z_context, mclks); |
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215 if (mclks >= mclks_per_frame) { |
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216 sync_sound(gen, mclks); |
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217 gen->ym->current_cycle -= mclks_per_frame; |
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218 gen->psg->cycles -= mclks_per_frame; |
374 | 219 if (gen->ym->write_cycle != CYCLE_NEVER) { |
220 gen->ym->write_cycle = gen->ym->write_cycle >= mclks_per_frame/MCLKS_PER_68K ? gen->ym->write_cycle - mclks_per_frame/MCLKS_PER_68K : 0; | |
221 } | |
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222 //printf("reached frame end | 68K Cycles: %d, MCLK Cycles: %d\n", context->current_cycle, mclks); |
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223 vdp_run_context(v_context, mclks_per_frame); |
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224 |
215
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225 if (!headless) { |
338
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226 break_on_sync |= wait_render_frame(v_context, frame_limit); |
215
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227 } |
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228 frame++; |
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229 mclks -= mclks_per_frame; |
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230 vdp_adjust_cycles(v_context, mclks_per_frame); |
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231 io_adjust_cycles(gen->ports, context->current_cycle, mclks_per_frame/MCLKS_PER_68K); |
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232 io_adjust_cycles(gen->ports+1, context->current_cycle, mclks_per_frame/MCLKS_PER_68K); |
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233 io_adjust_cycles(gen->ports+2, context->current_cycle, mclks_per_frame/MCLKS_PER_68K); |
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234 if (busack_cycle != CYCLE_NEVER) { |
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235 if (busack_cycle > mclks_per_frame/MCLKS_PER_68K) { |
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236 busack_cycle -= mclks_per_frame/MCLKS_PER_68K; |
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237 } else { |
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238 busack_cycle = CYCLE_NEVER; |
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239 busack = new_busack; |
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240 } |
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241 } |
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242 context->current_cycle -= mclks_per_frame/MCLKS_PER_68K; |
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243 if (z_context->current_cycle >= mclks_per_frame/MCLKS_PER_Z80) { |
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244 z_context->current_cycle -= mclks_per_frame/MCLKS_PER_Z80; |
260
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245 } else { |
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246 z_context->current_cycle = 0; |
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247 } |
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248 if (mclks) { |
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249 vdp_run_context(v_context, mclks); |
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250 } |
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251 } else { |
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252 //printf("running VDP for %d cycles\n", mclks - v_context->cycles); |
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253 vdp_run_context(v_context, mclks); |
380
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Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run.
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254 sync_sound(gen, mclks); |
88
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255 } |
317
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256 if (context->int_ack) { |
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257 vdp_int_ack(v_context, context->int_ack); |
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258 context->int_ack = 0; |
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259 } |
186
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diff
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|
260 adjust_int_cycle(context, v_context); |
446
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261 if (context->current_cycle <= context->sync_cycle) { |
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262 context->sync_cycle = context->current_cycle + 4; |
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263 if (context->sync_cycle < context->int_cycle) { |
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264 context->target_cycle = context->sync_cycle; |
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265 } |
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266 } |
198
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267 if (break_on_sync && address) { |
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268 break_on_sync = 0; |
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269 debugger(context, address); |
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270 } |
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271 return context; |
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272 } |
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273 |
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274 m68k_context * vdp_port_write(uint32_t vdp_port, m68k_context * context, uint16_t value) |
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275 { |
343
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276 if (vdp_port & 0x2700E0) { |
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277 printf("machine freeze due to write to address %X\n", 0xC00000 | vdp_port); |
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278 exit(1); |
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|
279 } |
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|
280 vdp_port &= 0x1F; |
88
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281 //printf("vdp_port write: %X, value: %X, cycle: %d\n", vdp_port, value, context->current_cycle); |
198
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|
282 sync_components(context, 0); |
263
2989ed7b8608
Add a second context pointer to m68k_context so that try_fifo_write can still have easy access to the VDP. Handle writes to Z80 code addresses from the 68K.
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|
283 vdp_context * v_context = context->video_context; |
88
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284 if (vdp_port < 0x10) { |
149
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|
285 int blocked; |
345
29d2ca563499
Don't sync the 68K clock to the VDP clock unless the 68K had to wait for the VDP. This unfortunately breaks the direct color DMA demos, but should be more correct overall.
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344
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|
286 uint32_t before_cycle = v_context->cycles; |
88
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287 if (vdp_port < 4) { |
149
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288 while (vdp_data_port_write(v_context, value) < 0) { |
88
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289 while(v_context->flags & FLAG_DMA_RUN) { |
342
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|
290 vdp_run_dma_done(v_context, mclks_per_frame); |
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diff
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|
291 if (v_context->cycles >= mclks_per_frame) { |
215
2b1c2c28b261
Added headless flag to avoid initializing SDL and opening a window when running tests.
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diff
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|
292 if (!headless) { |
338
5c34a9c39394
Re-enable frame limit, but add a command line flag to disable it
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336
diff
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|
293 wait_render_frame(v_context, frame_limit); |
215
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|
294 } |
342
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diff
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|
295 vdp_adjust_cycles(v_context, mclks_per_frame); |
421
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diff
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|
296 genesis_context * gen = context->system; |
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|
297 io_adjust_cycles(gen->ports, v_context->cycles/MCLKS_PER_68K, mclks_per_frame/MCLKS_PER_68K); |
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|
298 io_adjust_cycles(gen->ports+1, v_context->cycles/MCLKS_PER_68K, mclks_per_frame/MCLKS_PER_68K); |
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diff
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|
299 io_adjust_cycles(gen->ports+2, v_context->cycles/MCLKS_PER_68K, mclks_per_frame/MCLKS_PER_68K); |
344
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diff
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|
300 if (busack_cycle != CYCLE_NEVER) { |
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diff
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|
301 if (busack_cycle > mclks_per_frame/MCLKS_PER_68K) { |
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|
302 busack_cycle -= mclks_per_frame/MCLKS_PER_68K; |
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diff
changeset
|
303 } else { |
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diff
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|
304 busack_cycle = CYCLE_NEVER; |
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diff
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|
305 busack = new_busack; |
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diff
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|
306 } |
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diff
changeset
|
307 } |
88
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|
308 } |
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|
309 } |
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|
310 context->current_cycle = v_context->cycles / MCLKS_PER_68K; |
149
139e5dcd6aa3
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diff
changeset
|
311 } |
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diff
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|
312 } else if(vdp_port < 8) { |
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diff
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|
313 blocked = vdp_control_port_write(v_context, value); |
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diff
changeset
|
314 if (blocked) { |
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diff
changeset
|
315 while (blocked) { |
139e5dcd6aa3
Make writes to control and data port block when DMA is in progress
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diff
changeset
|
316 while(v_context->flags & FLAG_DMA_RUN) { |
342
13f994c88c34
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341
diff
changeset
|
317 vdp_run_dma_done(v_context, mclks_per_frame); |
13f994c88c34
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341
diff
changeset
|
318 if (v_context->cycles >= mclks_per_frame) { |
215
2b1c2c28b261
Added headless flag to avoid initializing SDL and opening a window when running tests.
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211
diff
changeset
|
319 if (!headless) { |
338
5c34a9c39394
Re-enable frame limit, but add a command line flag to disable it
Mike Pavone <pavone@retrodev.com>
parents:
336
diff
changeset
|
320 wait_render_frame(v_context, frame_limit); |
215
2b1c2c28b261
Added headless flag to avoid initializing SDL and opening a window when running tests.
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211
diff
changeset
|
321 } |
342
13f994c88c34
Get frame time correct and frame rate sort of correct for EUR region
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parents:
341
diff
changeset
|
322 vdp_adjust_cycles(v_context, mclks_per_frame); |
421
d0cacb4ade0b
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418
diff
changeset
|
323 genesis_context * gen = context->system; |
d0cacb4ade0b
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418
diff
changeset
|
324 io_adjust_cycles(gen->ports, v_context->cycles/MCLKS_PER_68K, mclks_per_frame/MCLKS_PER_68K); |
d0cacb4ade0b
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418
diff
changeset
|
325 io_adjust_cycles(gen->ports+1, v_context->cycles/MCLKS_PER_68K, mclks_per_frame/MCLKS_PER_68K); |
d0cacb4ade0b
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418
diff
changeset
|
326 io_adjust_cycles(gen->ports+2, v_context->cycles/MCLKS_PER_68K, mclks_per_frame/MCLKS_PER_68K); |
344
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343
diff
changeset
|
327 if (busack_cycle != CYCLE_NEVER) { |
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343
diff
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|
328 if (busack_cycle > mclks_per_frame/MCLKS_PER_68K) { |
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diff
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|
329 busack_cycle -= mclks_per_frame/MCLKS_PER_68K; |
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343
diff
changeset
|
330 } else { |
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343
diff
changeset
|
331 busack_cycle = CYCLE_NEVER; |
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343
diff
changeset
|
332 busack = new_busack; |
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343
diff
changeset
|
333 } |
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343
diff
changeset
|
334 } |
149
139e5dcd6aa3
Make writes to control and data port block when DMA is in progress
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144
diff
changeset
|
335 } |
139e5dcd6aa3
Make writes to control and data port block when DMA is in progress
Mike Pavone <pavone@retrodev.com>
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144
diff
changeset
|
336 } |
139e5dcd6aa3
Make writes to control and data port block when DMA is in progress
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144
diff
changeset
|
337 if (blocked < 0) { |
139e5dcd6aa3
Make writes to control and data port block when DMA is in progress
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144
diff
changeset
|
338 blocked = vdp_control_port_write(v_context, value); |
139e5dcd6aa3
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144
diff
changeset
|
339 } else { |
139e5dcd6aa3
Make writes to control and data port block when DMA is in progress
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diff
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|
340 blocked = 0; |
139e5dcd6aa3
Make writes to control and data port block when DMA is in progress
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diff
changeset
|
341 } |
139e5dcd6aa3
Make writes to control and data port block when DMA is in progress
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144
diff
changeset
|
342 } |
139e5dcd6aa3
Make writes to control and data port block when DMA is in progress
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diff
changeset
|
343 context->current_cycle = v_context->cycles / MCLKS_PER_68K; |
88
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diff
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|
344 } else { |
186
02e25abe2dcd
Cleanup VINT code and fix bug in which VINT cycle would be set incorrectly after a VDP control port write
Mike Pavone <pavone@retrodev.com>
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185
diff
changeset
|
345 adjust_int_cycle(context, v_context); |
88
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diff
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|
346 } |
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changeset
|
347 } else { |
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diff
changeset
|
348 printf("Illegal write to HV Counter port %X\n", vdp_port); |
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diff
changeset
|
349 exit(1); |
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diff
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|
350 } |
345
29d2ca563499
Don't sync the 68K clock to the VDP clock unless the 68K had to wait for the VDP. This unfortunately breaks the direct color DMA demos, but should be more correct overall.
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344
diff
changeset
|
351 if (v_context->cycles != before_cycle) { |
29d2ca563499
Don't sync the 68K clock to the VDP clock unless the 68K had to wait for the VDP. This unfortunately breaks the direct color DMA demos, but should be more correct overall.
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344
diff
changeset
|
352 context->current_cycle = v_context->cycles / MCLKS_PER_68K; |
29d2ca563499
Don't sync the 68K clock to the VDP clock unless the 68K had to wait for the VDP. This unfortunately breaks the direct color DMA demos, but should be more correct overall.
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353 } |
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354 } else if (vdp_port < 0x18) { |
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355 genesis_context * gen = context->system; |
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356 sync_sound(gen, context->current_cycle * MCLKS_PER_68K); |
354
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357 psg_write(gen->psg, value); |
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358 } else { |
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359 //TODO: Implement undocumented test register(s) |
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360 } |
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361 return context; |
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362 } |
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363 |
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364 m68k_context * vdp_port_write_b(uint32_t vdp_port, m68k_context * context, uint8_t value) |
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365 { |
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366 return vdp_port_write(vdp_port, context, vdp_port < 0x10 ? value | value << 8 : ((vdp_port & 1) ? value : 0)); |
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367 } |
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368 |
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369 z80_context * z80_vdp_port_write(uint16_t vdp_port, z80_context * context, uint8_t value) |
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370 { |
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371 genesis_context * gen = context->system; |
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372 if (vdp_port & 0xE0) { |
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373 printf("machine freeze due to write to Z80 address %X\n", 0x7F00 | vdp_port); |
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374 exit(1); |
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375 } |
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376 if (vdp_port < 0x10) { |
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377 //These probably won't currently interact well with the 68K accessing the VDP |
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378 vdp_run_context(gen->vdp, context->current_cycle * MCLKS_PER_Z80); |
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379 if (vdp_port < 4) { |
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380 vdp_data_port_write(gen->vdp, value << 8 | value); |
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381 } else if (vdp_port < 8) { |
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382 vdp_control_port_write(gen->vdp, value << 8 | value); |
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383 } else { |
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384 printf("Illegal write to HV Counter port %X\n", vdp_port); |
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385 exit(1); |
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386 } |
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387 } else if (vdp_port < 0x18) { |
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388 sync_sound(gen, context->current_cycle * MCLKS_PER_Z80); |
358
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389 psg_write(gen->psg, value); |
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390 } else { |
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391 //TODO: Implement undocumented test register(s) |
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392 } |
357
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393 return context; |
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394 } |
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395 |
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396 uint16_t vdp_port_read(uint32_t vdp_port, m68k_context * context) |
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397 { |
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398 if (vdp_port & 0x2700E0) { |
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399 printf("machine freeze due to read from address %X\n", 0xC00000 | vdp_port); |
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400 exit(1); |
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401 } |
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402 vdp_port &= 0x1F; |
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403 uint16_t value; |
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404 sync_components(context, 0); |
263
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405 vdp_context * v_context = context->video_context; |
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406 if (vdp_port < 0x10) { |
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407 if (vdp_port < 4) { |
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408 value = vdp_data_port_read(v_context); |
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409 } else if(vdp_port < 8) { |
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410 value = vdp_control_port_read(v_context); |
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411 } else { |
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412 value = vdp_hv_counter_read(v_context); |
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413 //printf("HV Counter: %X at cycle %d\n", value, v_context->cycles); |
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414 } |
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415 context->current_cycle = v_context->cycles/MCLKS_PER_68K; |
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416 } else { |
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417 printf("Illegal read from PSG or test register port %X\n", vdp_port); |
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418 exit(1); |
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419 } |
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420 return value; |
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421 } |
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422 |
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423 uint8_t vdp_port_read_b(uint32_t vdp_port, m68k_context * context) |
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424 { |
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425 uint16_t value = vdp_port_read(vdp_port, context); |
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426 if (vdp_port & 1) { |
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427 return value; |
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428 } else { |
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429 return value >> 8; |
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430 } |
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431 } |
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432 |
279
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433 uint32_t zram_counter = 0; |
289
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434 #define Z80_ACK_DELAY 3 |
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435 #define Z80_BUSY_DELAY 1//TODO: Find the actual value for this |
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436 #define Z80_REQ_BUSY 1 |
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437 #define Z80_REQ_ACK 0 |
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438 #define Z80_RES_BUSACK reset |
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439 |
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440 m68k_context * io_write(uint32_t location, m68k_context * context, uint8_t value) |
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441 { |
288
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442 genesis_context * gen = context->system; |
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443 if (location < 0x10000) { |
336
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444 if (busack_cycle <= context->current_cycle) { |
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445 busack = new_busack; |
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446 busack_cycle = CYCLE_NEVER; |
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447 } |
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448 if (!(busack || reset)) { |
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449 location &= 0x7FFF; |
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450 if (location < 0x4000) { |
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451 z80_ram[location & 0x1FFF] = value; |
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452 z80_handle_code_write(location & 0x1FFF, gen->z80); |
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453 } else if (location < 0x6000) { |
380
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454 sync_sound(gen, context->current_cycle * MCLKS_PER_68K); |
288
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455 if (location & 1) { |
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456 ym_data_write(gen->ym, value); |
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457 } else if(location & 2) { |
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458 ym_address_write_part2(gen->ym, value); |
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459 } else { |
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460 ym_address_write_part1(gen->ym, value); |
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461 } |
405
042c4ba4a838
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462 } else if (location == 0x6000) { |
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404
diff
changeset
|
463 gen->z80->bank_reg = (gen->z80->bank_reg >> 1 | value << 8) & 0x1FF; |
042c4ba4a838
Implement writes from 68K to Z80 bank register and make reads from port c control register return 0 again
Mike Pavone <pavone@retrodev.com>
parents:
404
diff
changeset
|
464 if (gen->z80->bank_reg < 0x80) { |
042c4ba4a838
Implement writes from 68K to Z80 bank register and make reads from port c control register return 0 again
Mike Pavone <pavone@retrodev.com>
parents:
404
diff
changeset
|
465 gen->z80->mem_pointers[1] = (gen->z80->bank_reg << 15) + ((char *)gen->z80->mem_pointers[2]); |
042c4ba4a838
Implement writes from 68K to Z80 bank register and make reads from port c control register return 0 again
Mike Pavone <pavone@retrodev.com>
parents:
404
diff
changeset
|
466 } else { |
042c4ba4a838
Implement writes from 68K to Z80 bank register and make reads from port c control register return 0 again
Mike Pavone <pavone@retrodev.com>
parents:
404
diff
changeset
|
467 gen->z80->mem_pointers[1] = NULL; |
042c4ba4a838
Implement writes from 68K to Z80 bank register and make reads from port c control register return 0 again
Mike Pavone <pavone@retrodev.com>
parents:
404
diff
changeset
|
468 } |
395
0b5f93358a93
Add debugger command for saving Z80 RAM to a file
Mike Pavone <pavone@retrodev.com>
parents:
392
diff
changeset
|
469 } else { |
0b5f93358a93
Add debugger command for saving Z80 RAM to a file
Mike Pavone <pavone@retrodev.com>
parents:
392
diff
changeset
|
470 printf("68K write to unhandled Z80 address %X\n", location); |
0b5f93358a93
Add debugger command for saving Z80 RAM to a file
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parents:
392
diff
changeset
|
471 exit(1); |
153
42c031184e8a
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parents:
149
diff
changeset
|
472 } |
88
c339559f1d4f
Forgot to add blastem main file earlier
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
473 } |
c339559f1d4f
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parents:
diff
changeset
|
474 } else { |
153
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parents:
149
diff
changeset
|
475 location &= 0x1FFF; |
42c031184e8a
Implement access to Z80 RAM
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parents:
149
diff
changeset
|
476 if (location < 0x100) { |
42c031184e8a
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parents:
149
diff
changeset
|
477 switch(location/2) |
42c031184e8a
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parents:
149
diff
changeset
|
478 { |
42c031184e8a
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149
diff
changeset
|
479 case 0x1: |
421
d0cacb4ade0b
Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
418
diff
changeset
|
480 io_data_write(gen->ports, value, context->current_cycle); |
153
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149
diff
changeset
|
481 break; |
42c031184e8a
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149
diff
changeset
|
482 case 0x2: |
421
d0cacb4ade0b
Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
418
diff
changeset
|
483 io_data_write(gen->ports+1, value, context->current_cycle); |
153
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diff
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|
484 break; |
421
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Mike Pavone <pavone@retrodev.com>
parents:
418
diff
changeset
|
485 case 0x3: |
d0cacb4ade0b
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418
diff
changeset
|
486 io_data_write(gen->ports+2, value, context->current_cycle); |
153
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149
diff
changeset
|
487 break; |
42c031184e8a
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149
diff
changeset
|
488 case 0x4: |
421
d0cacb4ade0b
Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
418
diff
changeset
|
489 gen->ports[0].control = value; |
153
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149
diff
changeset
|
490 break; |
42c031184e8a
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149
diff
changeset
|
491 case 0x5: |
421
d0cacb4ade0b
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Mike Pavone <pavone@retrodev.com>
parents:
418
diff
changeset
|
492 gen->ports[1].control = value; |
d0cacb4ade0b
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parents:
418
diff
changeset
|
493 break; |
d0cacb4ade0b
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parents:
418
diff
changeset
|
494 case 0x6: |
d0cacb4ade0b
Move IO code to a separate file and do a tiny bit of refactoring
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parents:
418
diff
changeset
|
495 gen->ports[2].control = value; |
153
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149
diff
changeset
|
496 break; |
88
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diff
changeset
|
497 } |
153
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149
diff
changeset
|
498 } else { |
42c031184e8a
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149
diff
changeset
|
499 if (location == 0x1100) { |
288
a8ee7934a1f8
Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run.
Mike Pavone <pavone@retrodev.com>
parents:
280
diff
changeset
|
500 sync_z80(gen->z80, context->current_cycle * MCLKS_PER_68K); |
336
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Fix a stupid bug in z80 busreq acknowledge delay code and make some small improvements there too
Mike Pavone <pavone@retrodev.com>
parents:
335
diff
changeset
|
501 if (busack_cycle <= context->current_cycle) { |
153
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149
diff
changeset
|
502 busack = new_busack; |
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149
diff
changeset
|
503 busack_cycle = CYCLE_NEVER; |
88
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parents:
diff
changeset
|
504 } |
153
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149
diff
changeset
|
505 if (value & 1) { |
271
969ee17471c5
Protect debug prints for busreq/reset regs with appropriate macros
Mike Pavone <pavone@retrodev.com>
parents:
268
diff
changeset
|
506 dputs("bus requesting Z80"); |
336
87b65e5ce1ab
Fix a stupid bug in z80 busreq acknowledge delay code and make some small improvements there too
Mike Pavone <pavone@retrodev.com>
parents:
335
diff
changeset
|
507 |
87b65e5ce1ab
Fix a stupid bug in z80 busreq acknowledge delay code and make some small improvements there too
Mike Pavone <pavone@retrodev.com>
parents:
335
diff
changeset
|
508 if(!reset && !busreq) { |
289
1cc0850ab6bc
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parents:
288
diff
changeset
|
509 busack_cycle = ((gen->z80->current_cycle + Z80_ACK_DELAY) * MCLKS_PER_Z80) / MCLKS_PER_68K;//context->current_cycle + Z80_ACK_DELAY; |
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288
diff
changeset
|
510 new_busack = Z80_REQ_ACK; |
153
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149
diff
changeset
|
511 } |
364
62177cc39049
Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents:
362
diff
changeset
|
512 busreq = 1; |
153
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149
diff
changeset
|
513 } else { |
260
625f8e4d5fd2
Initial stab at integartiong Z80 core
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parents:
215
diff
changeset
|
514 if (busreq) { |
271
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parents:
268
diff
changeset
|
515 dputs("releasing z80 bus"); |
280 | 516 #ifdef DO_DEBUG_PRINT |
279
6be6056735a9
Fix native address lookup in bannked memory area
Mike Pavone <pavone@retrodev.com>
parents:
276
diff
changeset
|
517 char fname[20]; |
6be6056735a9
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parents:
276
diff
changeset
|
518 sprintf(fname, "zram-%d", zram_counter++); |
6be6056735a9
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Mike Pavone <pavone@retrodev.com>
parents:
276
diff
changeset
|
519 FILE * f = fopen(fname, "wb"); |
6be6056735a9
Fix native address lookup in bannked memory area
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parents:
276
diff
changeset
|
520 fwrite(z80_ram, 1, sizeof(z80_ram), f); |
6be6056735a9
Fix native address lookup in bannked memory area
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parents:
276
diff
changeset
|
521 fclose(f); |
280 | 522 #endif |
336
87b65e5ce1ab
Fix a stupid bug in z80 busreq acknowledge delay code and make some small improvements there too
Mike Pavone <pavone@retrodev.com>
parents:
335
diff
changeset
|
523 busack_cycle = ((gen->z80->current_cycle + Z80_BUSY_DELAY) * MCLKS_PER_Z80) / MCLKS_PER_68K; |
87b65e5ce1ab
Fix a stupid bug in z80 busreq acknowledge delay code and make some small improvements there too
Mike Pavone <pavone@retrodev.com>
parents:
335
diff
changeset
|
524 new_busack = Z80_REQ_BUSY; |
87b65e5ce1ab
Fix a stupid bug in z80 busreq acknowledge delay code and make some small improvements there too
Mike Pavone <pavone@retrodev.com>
parents:
335
diff
changeset
|
525 busreq = 0; |
260
625f8e4d5fd2
Initial stab at integartiong Z80 core
Mike Pavone <pavone@retrodev.com>
parents:
215
diff
changeset
|
526 } |
289
1cc0850ab6bc
Hopefully more correct implementation of the Z80 busack status
Mike Pavone <pavone@retrodev.com>
parents:
288
diff
changeset
|
527 //busack_cycle = CYCLE_NEVER; |
1cc0850ab6bc
Hopefully more correct implementation of the Z80 busack status
Mike Pavone <pavone@retrodev.com>
parents:
288
diff
changeset
|
528 //busack = Z80_REQ_BUSY; |
336
87b65e5ce1ab
Fix a stupid bug in z80 busreq acknowledge delay code and make some small improvements there too
Mike Pavone <pavone@retrodev.com>
parents:
335
diff
changeset
|
529 |
88
c339559f1d4f
Forgot to add blastem main file earlier
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
530 } |
153
42c031184e8a
Implement access to Z80 RAM
Mike Pavone <pavone@retrodev.com>
parents:
149
diff
changeset
|
531 } else if (location == 0x1200) { |
288
a8ee7934a1f8
Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run.
Mike Pavone <pavone@retrodev.com>
parents:
280
diff
changeset
|
532 sync_z80(gen->z80, context->current_cycle * MCLKS_PER_68K); |
153
42c031184e8a
Implement access to Z80 RAM
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parents:
149
diff
changeset
|
533 if (value & 1) { |
42c031184e8a
Implement access to Z80 RAM
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parents:
149
diff
changeset
|
534 if (reset && busreq) { |
42c031184e8a
Implement access to Z80 RAM
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parents:
149
diff
changeset
|
535 new_busack = 0; |
289
1cc0850ab6bc
Hopefully more correct implementation of the Z80 busack status
Mike Pavone <pavone@retrodev.com>
parents:
288
diff
changeset
|
536 busack_cycle = ((gen->z80->current_cycle + Z80_ACK_DELAY) * MCLKS_PER_Z80) / MCLKS_PER_68K;//context->current_cycle + Z80_ACK_DELAY; |
153
42c031184e8a
Implement access to Z80 RAM
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parents:
149
diff
changeset
|
537 } |
260
625f8e4d5fd2
Initial stab at integartiong Z80 core
Mike Pavone <pavone@retrodev.com>
parents:
215
diff
changeset
|
538 //TODO: Deal with the scenario in which reset is not asserted long enough |
625f8e4d5fd2
Initial stab at integartiong Z80 core
Mike Pavone <pavone@retrodev.com>
parents:
215
diff
changeset
|
539 if (reset) { |
625f8e4d5fd2
Initial stab at integartiong Z80 core
Mike Pavone <pavone@retrodev.com>
parents:
215
diff
changeset
|
540 need_reset = 1; |
625f8e4d5fd2
Initial stab at integartiong Z80 core
Mike Pavone <pavone@retrodev.com>
parents:
215
diff
changeset
|
541 //TODO: Add necessary delay between release of reset and start of execution |
288
a8ee7934a1f8
Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run.
Mike Pavone <pavone@retrodev.com>
parents:
280
diff
changeset
|
542 gen->z80->current_cycle = (context->current_cycle * MCLKS_PER_68K) / MCLKS_PER_Z80; |
260
625f8e4d5fd2
Initial stab at integartiong Z80 core
Mike Pavone <pavone@retrodev.com>
parents:
215
diff
changeset
|
543 } |
153
42c031184e8a
Implement access to Z80 RAM
Mike Pavone <pavone@retrodev.com>
parents:
149
diff
changeset
|
544 reset = 0; |
42c031184e8a
Implement access to Z80 RAM
Mike Pavone <pavone@retrodev.com>
parents:
149
diff
changeset
|
545 } else { |
42c031184e8a
Implement access to Z80 RAM
Mike Pavone <pavone@retrodev.com>
parents:
149
diff
changeset
|
546 reset = 1; |
42c031184e8a
Implement access to Z80 RAM
Mike Pavone <pavone@retrodev.com>
parents:
149
diff
changeset
|
547 } |
88
c339559f1d4f
Forgot to add blastem main file earlier
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
548 } |
c339559f1d4f
Forgot to add blastem main file earlier
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
549 } |
c339559f1d4f
Forgot to add blastem main file earlier
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
550 } |
c339559f1d4f
Forgot to add blastem main file earlier
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
551 return context; |
c339559f1d4f
Forgot to add blastem main file earlier
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
552 } |
c339559f1d4f
Forgot to add blastem main file earlier
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
553 |
c339559f1d4f
Forgot to add blastem main file earlier
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
554 m68k_context * io_write_w(uint32_t location, m68k_context * context, uint16_t value) |
c339559f1d4f
Forgot to add blastem main file earlier
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
555 { |
404
88fa2ad53e64
Minor refactor of io_read functions to avoid duplication of logic between byte and word versions
Mike Pavone <pavone@retrodev.com>
parents:
402
diff
changeset
|
556 if (location < 0x10000 || (location & 0x1FFF) >= 0x100) { |
88fa2ad53e64
Minor refactor of io_read functions to avoid duplication of logic between byte and word versions
Mike Pavone <pavone@retrodev.com>
parents:
402
diff
changeset
|
557 return io_write(location, context, value >> 8); |
88
c339559f1d4f
Forgot to add blastem main file earlier
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
558 } else { |
404
88fa2ad53e64
Minor refactor of io_read functions to avoid duplication of logic between byte and word versions
Mike Pavone <pavone@retrodev.com>
parents:
402
diff
changeset
|
559 return io_write(location, context, value); |
88
c339559f1d4f
Forgot to add blastem main file earlier
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
560 } |
c339559f1d4f
Forgot to add blastem main file earlier
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
561 } |
c339559f1d4f
Forgot to add blastem main file earlier
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
562 |
130
0bdbffa9fe90
Make version register return correct value for USA
Mike Pavone <pavone@retrodev.com>
parents:
115
diff
changeset
|
563 #define USA 0x80 |
0bdbffa9fe90
Make version register return correct value for USA
Mike Pavone <pavone@retrodev.com>
parents:
115
diff
changeset
|
564 #define JAP 0x00 |
0bdbffa9fe90
Make version register return correct value for USA
Mike Pavone <pavone@retrodev.com>
parents:
115
diff
changeset
|
565 #define EUR 0xC0 |
0bdbffa9fe90
Make version register return correct value for USA
Mike Pavone <pavone@retrodev.com>
parents:
115
diff
changeset
|
566 #define NO_DISK 0x20 |
0bdbffa9fe90
Make version register return correct value for USA
Mike Pavone <pavone@retrodev.com>
parents:
115
diff
changeset
|
567 uint8_t version_reg = NO_DISK | USA; |
0bdbffa9fe90
Make version register return correct value for USA
Mike Pavone <pavone@retrodev.com>
parents:
115
diff
changeset
|
568 |
343
467bfa17004a
Mostly working runtime generation of memory map read/write functions
Mike Pavone <pavone@retrodev.com>
parents:
342
diff
changeset
|
569 uint8_t io_read(uint32_t location, m68k_context * context) |
88
c339559f1d4f
Forgot to add blastem main file earlier
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
570 { |
343
467bfa17004a
Mostly working runtime generation of memory map read/write functions
Mike Pavone <pavone@retrodev.com>
parents:
342
diff
changeset
|
571 uint8_t value; |
288
a8ee7934a1f8
Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run.
Mike Pavone <pavone@retrodev.com>
parents:
280
diff
changeset
|
572 genesis_context *gen = context->system; |
153
42c031184e8a
Implement access to Z80 RAM
Mike Pavone <pavone@retrodev.com>
parents:
149
diff
changeset
|
573 if (location < 0x10000) { |
336
87b65e5ce1ab
Fix a stupid bug in z80 busreq acknowledge delay code and make some small improvements there too
Mike Pavone <pavone@retrodev.com>
parents:
335
diff
changeset
|
574 if (busack_cycle <= context->current_cycle) { |
153
42c031184e8a
Implement access to Z80 RAM
Mike Pavone <pavone@retrodev.com>
parents:
149
diff
changeset
|
575 busack = new_busack; |
42c031184e8a
Implement access to Z80 RAM
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parents:
149
diff
changeset
|
576 busack_cycle = CYCLE_NEVER; |
42c031184e8a
Implement access to Z80 RAM
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parents:
149
diff
changeset
|
577 } |
289
1cc0850ab6bc
Hopefully more correct implementation of the Z80 busack status
Mike Pavone <pavone@retrodev.com>
parents:
288
diff
changeset
|
578 if (!(busack==Z80_REQ_BUSY || reset)) { |
153
42c031184e8a
Implement access to Z80 RAM
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parents:
149
diff
changeset
|
579 location &= 0x7FFF; |
42c031184e8a
Implement access to Z80 RAM
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580 if (location < 0x4000) { |
343
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581 value = z80_ram[location & 0x1FFF]; |
288
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582 } else if (location < 0x6000) { |
380
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Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run.
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583 sync_sound(gen, context->current_cycle * MCLKS_PER_68K); |
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584 value = ym_read_status(gen->ym); |
153
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585 } else { |
343
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586 value = 0xFF; |
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587 } |
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588 } else { |
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589 value = 0xFF; |
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590 } |
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591 } else { |
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592 location &= 0x1FFF; |
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593 if (location < 0x100) { |
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594 switch(location/2) |
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595 { |
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596 case 0x0: |
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597 //version bits should be 0 for now since we're not emulating TMSS |
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598 value = version_reg; |
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599 break; |
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600 case 0x1: |
421
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Move IO code to a separate file and do a tiny bit of refactoring
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601 value = io_data_read(gen->ports, context->current_cycle); |
343
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602 break; |
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603 case 0x2: |
421
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604 value = io_data_read(gen->ports+1, context->current_cycle); |
343
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605 break; |
421
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|
606 case 0x3: |
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607 value = io_data_read(gen->ports+2, context->current_cycle); |
343
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608 break; |
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609 case 0x4: |
421
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610 value = gen->ports[0].control; |
343
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611 break; |
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612 case 0x5: |
421
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613 value = gen->ports[1].control; |
343
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614 break; |
421
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615 case 0x6: |
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616 value = gen->ports[2].control; |
405
042c4ba4a838
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617 break; |
343
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618 default: |
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619 value = 0xFF; |
153
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620 } |
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621 } else { |
343
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622 if (location == 0x1100) { |
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623 if (busack_cycle <= context->current_cycle) { |
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624 busack = new_busack; |
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625 busack_cycle = CYCLE_NEVER; |
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626 } |
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627 value = Z80_RES_BUSACK || busack; |
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628 dprintf("Byte read of BUSREQ returned %d @ %d (reset: %d, busack: %d, busack_cycle %d)\n", value, context->current_cycle, reset, busack, busack_cycle); |
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629 } else if (location == 0x1200) { |
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630 value = !reset; |
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631 } else { |
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|
632 value = 0xFF; |
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633 printf("Byte read of unknown IO location: %X\n", location); |
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|
634 } |
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|
635 } |
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|
636 } |
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|
637 return value; |
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|
638 } |
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|
639 |
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|
640 uint16_t io_read_w(uint32_t location, m68k_context * context) |
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|
641 { |
404
88fa2ad53e64
Minor refactor of io_read functions to avoid duplication of logic between byte and word versions
Mike Pavone <pavone@retrodev.com>
parents:
402
diff
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|
642 uint16_t value = io_read(location, context); |
88fa2ad53e64
Minor refactor of io_read functions to avoid duplication of logic between byte and word versions
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402
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|
643 if (location < 0x10000 || (location & 0x1FFF) < 0x100) { |
88fa2ad53e64
Minor refactor of io_read functions to avoid duplication of logic between byte and word versions
Mike Pavone <pavone@retrodev.com>
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402
diff
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|
644 value = value | (value << 8); |
88
c339559f1d4f
Forgot to add blastem main file earlier
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|
645 } else { |
404
88fa2ad53e64
Minor refactor of io_read functions to avoid duplication of logic between byte and word versions
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parents:
402
diff
changeset
|
646 value <<= 8; |
88
c339559f1d4f
Forgot to add blastem main file earlier
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|
647 } |
343
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|
648 return value; |
88
c339559f1d4f
Forgot to add blastem main file earlier
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diff
changeset
|
649 } |
c339559f1d4f
Forgot to add blastem main file earlier
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parents:
diff
changeset
|
650 |
290
171f97e70d85
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|
651 z80_context * z80_write_ym(uint16_t location, z80_context * context, uint8_t value) |
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|
652 { |
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|
653 genesis_context * gen = context->system; |
380
1c8d74f2ab0b
Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run.
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|
654 sync_sound(gen, context->current_cycle * MCLKS_PER_Z80); |
290
171f97e70d85
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|
655 if (location & 1) { |
171f97e70d85
Implement writes from Z80 to YM-2612
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|
656 ym_data_write(gen->ym, value); |
171f97e70d85
Implement writes from Z80 to YM-2612
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|
657 } else if (location & 2) { |
171f97e70d85
Implement writes from Z80 to YM-2612
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|
658 ym_address_write_part2(gen->ym, value); |
171f97e70d85
Implement writes from Z80 to YM-2612
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diff
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|
659 } else { |
171f97e70d85
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diff
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|
660 ym_address_write_part1(gen->ym, value); |
171f97e70d85
Implement writes from Z80 to YM-2612
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diff
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|
661 } |
171f97e70d85
Implement writes from Z80 to YM-2612
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diff
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|
662 return context; |
171f97e70d85
Implement writes from Z80 to YM-2612
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289
diff
changeset
|
663 } |
171f97e70d85
Implement writes from Z80 to YM-2612
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289
diff
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|
664 |
171f97e70d85
Implement writes from Z80 to YM-2612
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diff
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|
665 uint8_t z80_read_ym(uint16_t location, z80_context * context) |
171f97e70d85
Implement writes from Z80 to YM-2612
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289
diff
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|
666 { |
171f97e70d85
Implement writes from Z80 to YM-2612
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289
diff
changeset
|
667 genesis_context * gen = context->system; |
380
1c8d74f2ab0b
Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run.
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parents:
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|
668 sync_sound(gen, context->current_cycle * MCLKS_PER_Z80); |
290
171f97e70d85
Implement writes from Z80 to YM-2612
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|
669 return ym_read_status(gen->ym); |
171f97e70d85
Implement writes from Z80 to YM-2612
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289
diff
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|
670 } |
171f97e70d85
Implement writes from Z80 to YM-2612
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diff
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|
671 |
351
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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346
diff
changeset
|
672 uint16_t read_sram_w(uint32_t address, m68k_context * context) |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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diff
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|
673 { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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diff
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|
674 genesis_context * gen = context->system; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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diff
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|
675 address &= gen->save_ram_mask; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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diff
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|
676 switch(gen->save_flags) |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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diff
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|
677 { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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diff
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|
678 case RAM_FLAG_BOTH: |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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diff
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|
679 return gen->save_ram[address] << 8 | gen->save_ram[address+1]; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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|
680 case RAM_FLAG_EVEN: |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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diff
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|
681 return gen->save_ram[address >> 1] << 8 | 0xFF; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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|
682 case RAM_FLAG_ODD: |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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|
683 return gen->save_ram[address >> 1] | 0xFF00; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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diff
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|
684 } |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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diff
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|
685 return 0xFFFF;//We should never get here |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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diff
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|
686 } |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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diff
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|
687 |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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diff
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|
688 uint8_t read_sram_b(uint32_t address, m68k_context * context) |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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|
689 { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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|
690 genesis_context * gen = context->system; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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|
691 address &= gen->save_ram_mask; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
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346
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changeset
|
692 switch(gen->save_flags) |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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346
diff
changeset
|
693 { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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parents:
346
diff
changeset
|
694 case RAM_FLAG_BOTH: |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
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346
diff
changeset
|
695 return gen->save_ram[address]; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
696 case RAM_FLAG_EVEN: |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
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346
diff
changeset
|
697 if (address & 1) { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
698 return 0xFF; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
699 } else { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
700 return gen->save_ram[address >> 1]; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
701 } |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
702 case RAM_FLAG_ODD: |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
703 if (address & 1) { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
704 return gen->save_ram[address >> 1]; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
705 } else { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
706 return 0xFF; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
707 } |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
708 } |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
709 return 0xFF;//We should never get here |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
710 } |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
711 |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
712 m68k_context * write_sram_area_w(uint32_t address, m68k_context * context, uint16_t value) |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
713 { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
714 genesis_context * gen = context->system; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
715 if ((gen->bank_regs[0] & 0x3) == 1) { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
716 address &= gen->save_ram_mask; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
717 switch(gen->save_flags) |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
718 { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
719 case RAM_FLAG_BOTH: |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
720 gen->save_ram[address] = value >> 8; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
721 gen->save_ram[address+1] = value; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
722 break; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
723 case RAM_FLAG_EVEN: |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
724 gen->save_ram[address >> 1] = value >> 8; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
725 break; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
726 case RAM_FLAG_ODD: |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
727 gen->save_ram[address >> 1] = value; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
728 break; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
729 } |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
730 } |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
731 return context; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
732 } |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
733 |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
734 m68k_context * write_sram_area_b(uint32_t address, m68k_context * context, uint8_t value) |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
735 { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
736 genesis_context * gen = context->system; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
737 if ((gen->bank_regs[0] & 0x3) == 1) { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
738 address &= gen->save_ram_mask; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
739 switch(gen->save_flags) |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
740 { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
741 case RAM_FLAG_BOTH: |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
742 gen->save_ram[address] = value; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
743 break; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
744 case RAM_FLAG_EVEN: |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
745 if (!(address & 1)) { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
746 gen->save_ram[address >> 1] = value; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
747 } |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
748 break; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
749 case RAM_FLAG_ODD: |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
750 if (address & 1) { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
751 gen->save_ram[address >> 1] = value; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
752 } |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
753 break; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
754 } |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
755 } |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
756 return context; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
757 } |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
758 |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
759 m68k_context * write_bank_reg_w(uint32_t address, m68k_context * context, uint16_t value) |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
760 { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
761 genesis_context * gen = context->system; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
762 address &= 0xE; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
763 address >>= 1; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
764 gen->bank_regs[address] = value; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
765 if (!address) { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
766 if (value & 1) { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
767 context->mem_pointers[2] = NULL; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
768 } else { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
769 context->mem_pointers[2] = cart + 0x200000/2; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
770 } |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
771 } |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
772 return context; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
773 } |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
774 |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
775 m68k_context * write_bank_reg_b(uint32_t address, m68k_context * context, uint8_t value) |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
776 { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
777 if (address & 1) { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
778 genesis_context * gen = context->system; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
779 address &= 0xE; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
780 address >>= 1; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
781 gen->bank_regs[address] = value; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
782 if (!address) { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
783 if (value & 1) { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
784 context->mem_pointers[2] = NULL; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
785 } else { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
786 context->mem_pointers[2] = cart + 0x200000/2; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
787 } |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
788 } |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
789 } |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
790 return context; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
791 } |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
792 |
184
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
793 typedef struct bp_def { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
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diff
changeset
|
794 struct bp_def * next; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
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166
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|
795 uint32_t address; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
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|
796 uint32_t index; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
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166
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|
797 } bp_def; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
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166
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|
798 |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
799 bp_def * breakpoints = NULL; |
366
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
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364
diff
changeset
|
800 bp_def * zbreakpoints = NULL; |
184
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
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|
801 uint32_t bp_index = 0; |
366
836585d389b8
Partial implementation of Z80 debugger
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364
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changeset
|
802 uint32_t zbp_index = 0; |
184
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Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
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|
803 |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
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changeset
|
804 bp_def ** find_breakpoint(bp_def ** cur, uint32_t address) |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
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|
805 { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
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changeset
|
806 while (*cur) { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
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changeset
|
807 if ((*cur)->address == address) { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
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changeset
|
808 break; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
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|
809 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
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changeset
|
810 cur = &((*cur)->next); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
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parents:
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changeset
|
811 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
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changeset
|
812 return cur; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
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changeset
|
813 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
814 |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
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166
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changeset
|
815 bp_def ** find_breakpoint_idx(bp_def ** cur, uint32_t index) |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
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changeset
|
816 { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
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changeset
|
817 while (*cur) { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
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changeset
|
818 if ((*cur)->index == index) { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
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parents:
166
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|
819 break; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
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|
820 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
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changeset
|
821 cur = &((*cur)->next); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
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|
822 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
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|
823 return cur; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
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|
824 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
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|
825 |
372
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Bunch of Z80 debugger improvements
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changeset
|
826 typedef struct disp_def { |
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Bunch of Z80 debugger improvements
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|
827 struct disp_def * next; |
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Bunch of Z80 debugger improvements
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changeset
|
828 char * param; |
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Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
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368
diff
changeset
|
829 uint32_t index; |
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Mike Pavone <pavone@retrodev.com>
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changeset
|
830 char format_char; |
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changeset
|
831 } disp_def; |
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changeset
|
832 |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
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368
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changeset
|
833 disp_def * displays = NULL; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
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368
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changeset
|
834 disp_def * zdisplays = NULL; |
5dcf7551bb36
Bunch of Z80 debugger improvements
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changeset
|
835 uint32_t disp_index = 0; |
5dcf7551bb36
Bunch of Z80 debugger improvements
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diff
changeset
|
836 uint32_t zdisp_index = 0; |
5dcf7551bb36
Bunch of Z80 debugger improvements
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diff
changeset
|
837 |
5dcf7551bb36
Bunch of Z80 debugger improvements
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diff
changeset
|
838 void add_display(disp_def ** head, uint32_t *index, char format_char, char * param) |
5dcf7551bb36
Bunch of Z80 debugger improvements
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changeset
|
839 { |
5dcf7551bb36
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Mike Pavone <pavone@retrodev.com>
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368
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changeset
|
840 disp_def * ndisp = malloc(sizeof(*ndisp)); |
5dcf7551bb36
Bunch of Z80 debugger improvements
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diff
changeset
|
841 ndisp->format_char = format_char; |
5dcf7551bb36
Bunch of Z80 debugger improvements
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diff
changeset
|
842 ndisp->param = strdup(param); |
5dcf7551bb36
Bunch of Z80 debugger improvements
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368
diff
changeset
|
843 ndisp->next = *head; |
5dcf7551bb36
Bunch of Z80 debugger improvements
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parents:
368
diff
changeset
|
844 ndisp->index = *index++; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
845 *head = ndisp; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
846 } |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
847 |
5dcf7551bb36
Bunch of Z80 debugger improvements
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parents:
368
diff
changeset
|
848 void remove_display(disp_def ** head, uint32_t index) |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
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diff
changeset
|
849 { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
850 while (*head) { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
851 if ((*head)->index == index) { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
852 disp_def * del_disp = *head; |
5dcf7551bb36
Bunch of Z80 debugger improvements
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368
diff
changeset
|
853 *head = del_disp->next; |
5dcf7551bb36
Bunch of Z80 debugger improvements
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368
diff
changeset
|
854 free(del_disp->param); |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
855 free(del_disp); |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
856 } else { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
857 head = &(*head)->next; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
858 } |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
859 } |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
860 } |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
861 |
184
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
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changeset
|
862 char * find_param(char * buf) |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
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parents:
166
diff
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|
863 { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
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changeset
|
864 for (; *buf; buf++) { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
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changeset
|
865 if (*buf == ' ') { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
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changeset
|
866 if (*(buf+1)) { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
867 return buf+1; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
868 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
869 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
870 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
871 return NULL; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
872 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
873 |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
874 void strip_nl(char * buf) |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
875 { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
876 for(; *buf; buf++) { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
877 if (*buf == '\n') { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
878 *buf = 0; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
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parents:
166
diff
changeset
|
879 return; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
880 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
881 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
882 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
883 |
372
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
884 void zdebugger_print(z80_context * context, char format_char, char * param) |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
885 { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
886 uint32_t value; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
887 char format[8]; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
888 strcpy(format, "%s: %d\n"); |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
889 switch (format_char) |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
890 { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
891 case 'x': |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
892 case 'X': |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
893 case 'd': |
5dcf7551bb36
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Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
894 case 'c': |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
895 format[5] = format_char; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
896 break; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
897 case '\0': |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
898 break; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
899 default: |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
900 fprintf(stderr, "Unrecognized format character: %c\n", format_char); |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
901 } |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
902 switch (param[0]) |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
903 { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
904 case 'a': |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
905 if (param[1] == 'f') { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
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368
diff
changeset
|
906 if(param[2] == '\'') { |
5dcf7551bb36
Bunch of Z80 debugger improvements
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368
diff
changeset
|
907 value = context->alt_regs[Z80_A] << 8; |
5dcf7551bb36
Bunch of Z80 debugger improvements
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368
diff
changeset
|
908 value |= context->alt_flags[ZF_S] << 7; |
5dcf7551bb36
Bunch of Z80 debugger improvements
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parents:
368
diff
changeset
|
909 value |= context->alt_flags[ZF_Z] << 6; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
910 value |= context->alt_flags[ZF_H] << 4; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
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368
diff
changeset
|
911 value |= context->alt_flags[ZF_PV] << 2; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
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368
diff
changeset
|
912 value |= context->alt_flags[ZF_N] << 1; |
5dcf7551bb36
Bunch of Z80 debugger improvements
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368
diff
changeset
|
913 value |= context->alt_flags[ZF_C]; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
914 } else { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
915 value = context->regs[Z80_A] << 8; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
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368
diff
changeset
|
916 value |= context->flags[ZF_S] << 7; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
917 value |= context->flags[ZF_Z] << 6; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
918 value |= context->flags[ZF_H] << 4; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
919 value |= context->flags[ZF_PV] << 2; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
920 value |= context->flags[ZF_N] << 1; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
921 value |= context->flags[ZF_C]; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
922 } |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
923 } else if(param[1] == '\'') { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
924 value = context->alt_regs[Z80_A]; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
925 } else { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
926 value = context->regs[Z80_A]; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
927 } |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
928 break; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
929 case 'b': |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
930 if (param[1] == 'c') { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
931 if(param[2] == '\'') { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
932 value = context->alt_regs[Z80_B] << 8; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
933 value |= context->alt_regs[Z80_C]; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
934 } else { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
935 value = context->regs[Z80_B] << 8; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
936 value |= context->regs[Z80_C]; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
937 } |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
938 } else if(param[1] == '\'') { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
939 value = context->alt_regs[Z80_B]; |
392
1b80b90399da
Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
380
diff
changeset
|
940 } else if(param[1] == 'a') { |
1b80b90399da
Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
380
diff
changeset
|
941 value = context->bank_reg << 15; |
372
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
942 } else { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
943 value = context->regs[Z80_B]; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
944 } |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
945 break; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
946 case 'c': |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
947 if(param[1] == '\'') { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
948 value = context->alt_regs[Z80_C]; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
949 } else if(param[1] == 'y') { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
950 value = context->current_cycle; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
951 } else { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
952 value = context->regs[Z80_C]; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
953 } |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
954 break; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
955 case 'd': |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
956 if (param[1] == 'e') { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
957 if(param[2] == '\'') { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
958 value = context->alt_regs[Z80_D] << 8; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
959 value |= context->alt_regs[Z80_E]; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
960 } else { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
961 value = context->regs[Z80_D] << 8; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
962 value |= context->regs[Z80_E]; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
963 } |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
964 } else if(param[1] == '\'') { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
965 value = context->alt_regs[Z80_D]; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
966 } else { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
967 value = context->regs[Z80_D]; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
968 } |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
969 break; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
970 case 'e': |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
971 if(param[1] == '\'') { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
972 value = context->alt_regs[Z80_E]; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
973 } else { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
974 value = context->regs[Z80_E]; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
975 } |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
976 break; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
977 case 'f': |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
978 if(param[2] == '\'') { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
979 value = context->alt_flags[ZF_S] << 7; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
980 value |= context->alt_flags[ZF_Z] << 6; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
981 value |= context->alt_flags[ZF_H] << 4; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
982 value |= context->alt_flags[ZF_PV] << 2; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
983 value |= context->alt_flags[ZF_N] << 1; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
984 value |= context->alt_flags[ZF_C]; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
985 } else { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
986 value = context->flags[ZF_S] << 7; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
987 value |= context->flags[ZF_Z] << 6; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
988 value |= context->flags[ZF_H] << 4; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
989 value |= context->flags[ZF_PV] << 2; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
990 value |= context->flags[ZF_N] << 1; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
991 value |= context->flags[ZF_C]; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
992 } |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
993 break; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
994 case 'h': |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
995 if (param[1] == 'l') { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
996 if(param[2] == '\'') { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
997 value = context->alt_regs[Z80_H] << 8; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
998 value |= context->alt_regs[Z80_L]; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
999 } else { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1000 value = context->regs[Z80_H] << 8; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1001 value |= context->regs[Z80_L]; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1002 } |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1003 } else if(param[1] == '\'') { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1004 value = context->alt_regs[Z80_H]; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1005 } else { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1006 value = context->regs[Z80_H]; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1007 } |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1008 break; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1009 case 'l': |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1010 if(param[1] == '\'') { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1011 value = context->alt_regs[Z80_L]; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1012 } else { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1013 value = context->regs[Z80_L]; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1014 } |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1015 break; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1016 case 'i': |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1017 if(param[1] == 'x') { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1018 if (param[2] == 'h') { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1019 value = context->regs[Z80_IXH]; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1020 } else if(param[2] == 'l') { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1021 value = context->regs[Z80_IXL]; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1022 } else { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1023 value = context->regs[Z80_IXH] << 8; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1024 value |= context->regs[Z80_IXL]; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1025 } |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1026 } else if(param[1] == 'y') { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1027 if (param[2] == 'h') { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1028 value = context->regs[Z80_IYH]; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1029 } else if(param[2] == 'l') { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1030 value = context->regs[Z80_IYL]; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1031 } else { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1032 value = context->regs[Z80_IYH] << 8; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1033 value |= context->regs[Z80_IYL]; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1034 } |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1035 } else if(param[1] == 'n') { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1036 value = context->int_cycle; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1037 } else if(param[1] == 'f' && param[2] == 'f' && param[3] == '1') { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1038 value = context->iff1; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1039 } else if(param[1] == 'f' && param[2] == 'f' && param[3] == '2') { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1040 value = context->iff2; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1041 } else { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1042 value = context->im; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1043 } |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1044 break; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1045 case 's': |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1046 if (param[1] == 'p') { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1047 value = context->sp; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1048 } |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1049 break; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1050 case '0': |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1051 if (param[1] == 'x') { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1052 uint16_t p_addr = strtol(param+2, NULL, 16); |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1053 if (p_addr < 0x4000) { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1054 value = z80_ram[p_addr & 0x1FFF]; |
392
1b80b90399da
Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
380
diff
changeset
|
1055 } else if(p_addr >= 0x8000) { |
1b80b90399da
Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
380
diff
changeset
|
1056 uint32_t v_addr = context->bank_reg << 15; |
1b80b90399da
Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
380
diff
changeset
|
1057 v_addr += p_addr & 0x7FFF; |
1b80b90399da
Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
380
diff
changeset
|
1058 if (v_addr < 0x400000) { |
1b80b90399da
Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
380
diff
changeset
|
1059 value = cart[v_addr/2]; |
1b80b90399da
Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
380
diff
changeset
|
1060 } else if(v_addr > 0xE00000) { |
1b80b90399da
Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
380
diff
changeset
|
1061 value = ram[(v_addr & 0xFFFF)/2]; |
1b80b90399da
Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
380
diff
changeset
|
1062 } |
1b80b90399da
Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
380
diff
changeset
|
1063 if (v_addr & 1) { |
1b80b90399da
Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
380
diff
changeset
|
1064 value &= 0xFF; |
1b80b90399da
Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
380
diff
changeset
|
1065 } else { |
1b80b90399da
Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
380
diff
changeset
|
1066 value >>= 8; |
1b80b90399da
Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
380
diff
changeset
|
1067 } |
372
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1068 } |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1069 } |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1070 break; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1071 } |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1072 printf(format, param, value); |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1073 } |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1074 |
366
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1075 z80_context * zdebugger(z80_context * context, uint16_t address) |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1076 { |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1077 static char last_cmd[1024]; |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1078 char input_buf[1024]; |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1079 static uint16_t branch_t; |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1080 static uint16_t branch_f; |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1081 z80inst inst; |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1082 //Check if this is a user set breakpoint, or just a temporary one |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1083 bp_def ** this_bp = find_breakpoint(&zbreakpoints, address); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1084 if (*this_bp) { |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1085 printf("Z80 Breakpoint %d hit\n", (*this_bp)->index); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1086 } else { |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1087 zremove_breakpoint(context, address); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1088 } |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1089 uint8_t * pc; |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1090 if (address < 0x4000) { |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1091 pc = z80_ram + (address & 0x1FFF); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1092 } else if (address >= 0x8000) { |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1093 if (context->bank_reg < (0x400000 >> 15)) { |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1094 fprintf(stderr, "Entered Z80 debugger in banked memory address %X, which is not yet supported\n", address); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1095 exit(1); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1096 } else { |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1097 fprintf(stderr, "Entered Z80 debugger in banked memory address %X, but the bank is not pointed to a cartridge address\n", address); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1098 exit(1); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1099 } |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1100 } else { |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1101 fprintf(stderr, "Entered Z80 debugger at address %X\n", address); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1102 exit(1); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1103 } |
372
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1104 for (disp_def * cur = zdisplays; cur; cur = cur->next) { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1105 zdebugger_print(context, cur->format_char, cur->param); |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1106 } |
366
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1107 uint8_t * after_pc = z80_decode(pc, &inst); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1108 z80_disasm(&inst, input_buf, address); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1109 printf("%X:\t%s\n", address, input_buf); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1110 uint16_t after = address + (after_pc-pc); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1111 int debugging = 1; |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1112 while(debugging) { |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1113 fputs(">", stdout); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1114 if (!fgets(input_buf, sizeof(input_buf), stdin)) { |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1115 fputs("fgets failed", stderr); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1116 break; |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1117 } |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1118 strip_nl(input_buf); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1119 //hitting enter repeats last command |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1120 if (input_buf[0]) { |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1121 strcpy(last_cmd, input_buf); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1122 } else { |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1123 strcpy(input_buf, last_cmd); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1124 } |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1125 char * param; |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1126 char format[8]; |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1127 uint32_t value; |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1128 bp_def * new_bp; |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1129 switch(input_buf[0]) |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1130 { |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1131 case 'a': |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1132 param = find_param(input_buf); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1133 if (!param) { |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1134 fputs("a command requires a parameter\n", stderr); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1135 break; |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1136 } |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1137 value = strtol(param, NULL, 16); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1138 zinsert_breakpoint(context, value, (uint8_t *)zdebugger); |
392
1b80b90399da
Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
380
diff
changeset
|
1139 debugging = 0; |
366
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1140 break; |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1141 case 'b': |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1142 param = find_param(input_buf); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1143 if (!param) { |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1144 fputs("b command requires a parameter\n", stderr); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1145 break; |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1146 } |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1147 value = strtol(param, NULL, 16); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1148 zinsert_breakpoint(context, value, (uint8_t *)zdebugger); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1149 new_bp = malloc(sizeof(bp_def)); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1150 new_bp->next = zbreakpoints; |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1151 new_bp->address = value; |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1152 new_bp->index = zbp_index++; |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1153 zbreakpoints = new_bp; |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1154 printf("Z80 Breakpoint %d set at %X\n", new_bp->index, value); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1155 break; |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1156 case 'c': |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1157 puts("Continuing"); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1158 debugging = 0; |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1159 break; |
372
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1160 case 'd': |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1161 if (input_buf[1] == 'i') { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1162 char format_char = 0; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1163 for(int i = 2; input_buf[i] != 0 && input_buf[i] != ' '; i++) { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1164 if (input_buf[i] == '/') { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1165 format_char = input_buf[i+1]; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1166 break; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1167 } |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1168 } |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1169 param = find_param(input_buf); |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1170 if (!param) { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1171 fputs("display command requires a parameter\n", stderr); |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1172 break; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1173 } |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1174 zdebugger_print(context, format_char, param); |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1175 add_display(&zdisplays, &zdisp_index, format_char, param); |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1176 } else if (input_buf[1] == 'e' || input_buf[1] == ' ') { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1177 param = find_param(input_buf); |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1178 if (!param) { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1179 fputs("delete command requires a parameter\n", stderr); |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1180 break; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1181 } |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1182 if (param[0] >= '0' && param[0] <= '9') { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1183 value = atoi(param); |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1184 this_bp = find_breakpoint_idx(&zbreakpoints, value); |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1185 if (!*this_bp) { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1186 fprintf(stderr, "Breakpoint %d does not exist\n", value); |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1187 break; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1188 } |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1189 new_bp = *this_bp; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1190 zremove_breakpoint(context, new_bp->address); |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1191 *this_bp = new_bp->next; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1192 free(new_bp); |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1193 } else if (param[0] == 'd') { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1194 param = find_param(param); |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1195 if (!param) { |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1196 fputs("delete display command requires a parameter\n", stderr); |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1197 break; |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1198 } |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1199 remove_display(&zdisplays, atoi(param)); |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1200 } |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1201 } |
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1202 break; |
366
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1203 case 'n': |
392
1b80b90399da
Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
380
diff
changeset
|
1204 //TODO: Handle conditional branch instructions |
1b80b90399da
Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
380
diff
changeset
|
1205 if (inst.op == Z80_JP) { |
1b80b90399da
Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
380
diff
changeset
|
1206 if (inst.addr_mode == Z80_IMMED) { |
1b80b90399da
Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
380
diff
changeset
|
1207 after = inst.immed; |
1b80b90399da
Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
380
diff
changeset
|
1208 } else if (inst.ea_reg == Z80_HL) { |
1b80b90399da
Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
380
diff
changeset
|
1209 after = context->regs[Z80_H] << 8 | context->regs[Z80_L]; |
1b80b90399da
Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
380
diff
changeset
|
1210 } else if (inst.ea_reg == Z80_IX) { |
1b80b90399da
Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
380
diff
changeset
|
1211 after = context->regs[Z80_IXH] << 8 | context->regs[Z80_IXL]; |
1b80b90399da
Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
380
diff
changeset
|
1212 } else if (inst.ea_reg == Z80_IY) { |
1b80b90399da
Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
380
diff
changeset
|
1213 after = context->regs[Z80_IYH] << 8 | context->regs[Z80_IYL]; |
1b80b90399da
Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
380
diff
changeset
|
1214 } |
1b80b90399da
Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
380
diff
changeset
|
1215 } else if(inst.op == Z80_JR) { |
1b80b90399da
Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
380
diff
changeset
|
1216 after += inst.immed; |
1b80b90399da
Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
380
diff
changeset
|
1217 } else if(inst.op == Z80_RET) { |
1b80b90399da
Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
380
diff
changeset
|
1218 if (context->sp < 0x4000) { |
1b80b90399da
Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
380
diff
changeset
|
1219 after = z80_ram[context->sp & 0x1FFF] | z80_ram[(context->sp+1) & 0x1FFF] << 8; |
1b80b90399da
Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
380
diff
changeset
|
1220 } |
1b80b90399da
Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
380
diff
changeset
|
1221 } |
366
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1222 zinsert_breakpoint(context, after, (uint8_t *)zdebugger); |
368
c9d2a2371f5e
Make the n command in the Z80 debugger actually run the next instruction without needing a c command
Mike Pavone <pavone@retrodev.com>
parents:
366
diff
changeset
|
1223 debugging = 0; |
366
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1224 break; |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1225 case 'p': |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1226 param = find_param(input_buf); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1227 if (!param) { |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1228 fputs("p command requires a parameter\n", stderr); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1229 break; |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1230 } |
372
5dcf7551bb36
Bunch of Z80 debugger improvements
Mike Pavone <pavone@retrodev.com>
parents:
368
diff
changeset
|
1231 zdebugger_print(context, input_buf[1] == '/' ? input_buf[2] : 0, param); |
366
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1232 break; |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1233 case 'q': |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1234 puts("Quitting"); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1235 exit(0); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1236 break; |
395
0b5f93358a93
Add debugger command for saving Z80 RAM to a file
Mike Pavone <pavone@retrodev.com>
parents:
392
diff
changeset
|
1237 case 's': { |
0b5f93358a93
Add debugger command for saving Z80 RAM to a file
Mike Pavone <pavone@retrodev.com>
parents:
392
diff
changeset
|
1238 param = find_param(input_buf); |
0b5f93358a93
Add debugger command for saving Z80 RAM to a file
Mike Pavone <pavone@retrodev.com>
parents:
392
diff
changeset
|
1239 if (!param) { |
0b5f93358a93
Add debugger command for saving Z80 RAM to a file
Mike Pavone <pavone@retrodev.com>
parents:
392
diff
changeset
|
1240 fputs("s command requires a file name\n", stderr); |
0b5f93358a93
Add debugger command for saving Z80 RAM to a file
Mike Pavone <pavone@retrodev.com>
parents:
392
diff
changeset
|
1241 break; |
0b5f93358a93
Add debugger command for saving Z80 RAM to a file
Mike Pavone <pavone@retrodev.com>
parents:
392
diff
changeset
|
1242 } |
0b5f93358a93
Add debugger command for saving Z80 RAM to a file
Mike Pavone <pavone@retrodev.com>
parents:
392
diff
changeset
|
1243 FILE * f = fopen(param, "wb"); |
0b5f93358a93
Add debugger command for saving Z80 RAM to a file
Mike Pavone <pavone@retrodev.com>
parents:
392
diff
changeset
|
1244 if (f) { |
0b5f93358a93
Add debugger command for saving Z80 RAM to a file
Mike Pavone <pavone@retrodev.com>
parents:
392
diff
changeset
|
1245 if(fwrite(z80_ram, 1, sizeof(z80_ram), f) != sizeof(z80_ram)) { |
0b5f93358a93
Add debugger command for saving Z80 RAM to a file
Mike Pavone <pavone@retrodev.com>
parents:
392
diff
changeset
|
1246 fputs("Error writing file\n", stderr); |
0b5f93358a93
Add debugger command for saving Z80 RAM to a file
Mike Pavone <pavone@retrodev.com>
parents:
392
diff
changeset
|
1247 } |
0b5f93358a93
Add debugger command for saving Z80 RAM to a file
Mike Pavone <pavone@retrodev.com>
parents:
392
diff
changeset
|
1248 fclose(f); |
0b5f93358a93
Add debugger command for saving Z80 RAM to a file
Mike Pavone <pavone@retrodev.com>
parents:
392
diff
changeset
|
1249 } else { |
0b5f93358a93
Add debugger command for saving Z80 RAM to a file
Mike Pavone <pavone@retrodev.com>
parents:
392
diff
changeset
|
1250 fprintf(stderr, "Could not open %s for writing\n", param); |
0b5f93358a93
Add debugger command for saving Z80 RAM to a file
Mike Pavone <pavone@retrodev.com>
parents:
392
diff
changeset
|
1251 } |
0b5f93358a93
Add debugger command for saving Z80 RAM to a file
Mike Pavone <pavone@retrodev.com>
parents:
392
diff
changeset
|
1252 break; |
0b5f93358a93
Add debugger command for saving Z80 RAM to a file
Mike Pavone <pavone@retrodev.com>
parents:
392
diff
changeset
|
1253 } |
366
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1254 default: |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1255 fprintf(stderr, "Unrecognized debugger command %s\n", input_buf); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1256 break; |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1257 } |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1258 } |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1259 return context; |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1260 } |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1261 |
184
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1262 m68k_context * debugger(m68k_context * context, uint32_t address) |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1263 { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1264 static char last_cmd[1024]; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1265 char input_buf[1024]; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1266 static uint32_t branch_t; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1267 static uint32_t branch_f; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1268 m68kinst inst; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1269 //probably not necessary, but let's play it safe |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1270 address &= 0xFFFFFF; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1271 if (address == branch_t) { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1272 bp_def ** f_bp = find_breakpoint(&breakpoints, branch_f); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1273 if (!*f_bp) { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1274 remove_breakpoint(context, branch_f); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1275 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1276 branch_t = branch_f = 0; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1277 } else if(address == branch_f) { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1278 bp_def ** t_bp = find_breakpoint(&breakpoints, branch_t); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1279 if (!*t_bp) { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1280 remove_breakpoint(context, branch_t); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1281 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1282 branch_t = branch_f = 0; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1283 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1284 //Check if this is a user set breakpoint, or just a temporary one |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1285 bp_def ** this_bp = find_breakpoint(&breakpoints, address); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1286 if (*this_bp) { |
366
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1287 printf("68K Breakpoint %d hit\n", (*this_bp)->index); |
184
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
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|
1288 } else { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
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|
1289 remove_breakpoint(context, address); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
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|
1290 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1291 uint16_t * pc; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
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|
1292 if (address < 0x400000) { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1293 pc = cart + address/2; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1294 } else if(address > 0xE00000) { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1295 pc = ram + (address & 0xFFFF)/2; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1296 } else { |
366
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1297 fprintf(stderr, "Entered 68K debugger at address %X\n", address); |
184
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1298 exit(1); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
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|
1299 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
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changeset
|
1300 uint16_t * after_pc = m68k_decode(pc, &inst, address); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
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|
1301 m68k_disasm(&inst, input_buf); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1302 printf("%X: %s\n", address, input_buf); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1303 uint32_t after = address + (after_pc-pc)*2; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1304 int debugging = 1; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1305 while (debugging) { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1306 fputs(">", stdout); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1307 if (!fgets(input_buf, sizeof(input_buf), stdin)) { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1308 fputs("fgets failed", stderr); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1309 break; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
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166
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changeset
|
1310 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1311 strip_nl(input_buf); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
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166
diff
changeset
|
1312 //hitting enter repeats last command |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1313 if (input_buf[0]) { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1314 strcpy(last_cmd, input_buf); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
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changeset
|
1315 } else { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1316 strcpy(input_buf, last_cmd); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1317 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1318 char * param; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1319 char format[8]; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1320 uint32_t value; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1321 bp_def * new_bp; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1322 switch(input_buf[0]) |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1323 { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1324 case 'c': |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1325 puts("Continuing"); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1326 debugging = 0; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1327 break; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1328 case 'b': |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1329 param = find_param(input_buf); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1330 if (!param) { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1331 fputs("b command requires a parameter\n", stderr); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1332 break; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1333 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1334 value = strtol(param, NULL, 16); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1335 insert_breakpoint(context, value, (uint8_t *)debugger); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1336 new_bp = malloc(sizeof(bp_def)); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1337 new_bp->next = breakpoints; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1338 new_bp->address = value; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1339 new_bp->index = bp_index++; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1340 breakpoints = new_bp; |
366
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1341 printf("68K Breakpoint %d set at %X\n", new_bp->index, value); |
184
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1342 break; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1343 case 'a': |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1344 param = find_param(input_buf); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1345 if (!param) { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1346 fputs("a command requires a parameter\n", stderr); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1347 break; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1348 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1349 value = strtol(param, NULL, 16); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1350 insert_breakpoint(context, value, (uint8_t *)debugger); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1351 debugging = 0; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1352 break; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1353 case 'd': |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1354 param = find_param(input_buf); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1355 if (!param) { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1356 fputs("b command requires a parameter\n", stderr); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1357 break; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1358 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1359 value = atoi(param); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1360 this_bp = find_breakpoint_idx(&breakpoints, value); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1361 if (!*this_bp) { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1362 fprintf(stderr, "Breakpoint %d does not exist\n", value); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1363 break; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1364 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1365 new_bp = *this_bp; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1366 *this_bp = (*this_bp)->next; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1367 free(new_bp); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1368 break; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1369 case 'p': |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1370 strcpy(format, "%s: %d\n"); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1371 if (input_buf[1] == '/') { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1372 switch (input_buf[2]) |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1373 { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1374 case 'x': |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1375 case 'X': |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1376 case 'd': |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1377 case 'c': |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1378 format[5] = input_buf[2]; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1379 break; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1380 default: |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1381 fprintf(stderr, "Unrecognized format character: %c\n", input_buf[2]); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1382 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1383 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1384 param = find_param(input_buf); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1385 if (!param) { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1386 fputs("p command requires a parameter\n", stderr); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1387 break; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1388 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1389 if (param[0] == 'd' && param[1] >= '0' && param[1] <= '7') { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1390 value = context->dregs[param[1]-'0']; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1391 } else if (param[0] == 'a' && param[1] >= '0' && param[1] <= '7') { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1392 value = context->aregs[param[1]-'0']; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1393 } else if (param[0] == 'S' && param[1] == 'R') { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1394 value = (context->status << 8); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1395 for (int flag = 0; flag < 5; flag++) { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1396 value |= context->flags[flag] << (4-flag); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1397 } |
185
b204fbed4efe
Add ability to print out current 68K cycle in debugger
Mike Pavone <pavone@retrodev.com>
parents:
184
diff
changeset
|
1398 } else if(param[0] == 'c') { |
b204fbed4efe
Add ability to print out current 68K cycle in debugger
Mike Pavone <pavone@retrodev.com>
parents:
184
diff
changeset
|
1399 value = context->current_cycle; |
184
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1400 } else if (param[0] == '0' && param[1] == 'x') { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1401 uint32_t p_addr = strtol(param+2, NULL, 16); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1402 value = read_dma_value(p_addr/2); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1403 } else { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1404 fprintf(stderr, "Unrecognized parameter to p: %s\n", param); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1405 break; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1406 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1407 printf(format, param, value); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1408 break; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1409 case 'n': |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1410 //TODO: Deal with jmp, dbcc, rtr and rte |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1411 if (inst.op == M68K_RTS) { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1412 after = (read_dma_value(context->aregs[7]/2) << 16) | read_dma_value(context->aregs[7]/2 + 1); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1413 } else if(inst.op == M68K_BCC && inst.extra.cond != COND_FALSE) { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1414 if (inst.extra.cond = COND_TRUE) { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1415 after = inst.address + 2 + inst.src.params.immed; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1416 } else { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1417 branch_f = after; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1418 branch_t = inst.address + 2 + inst.src.params.immed; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1419 insert_breakpoint(context, branch_t, (uint8_t *)debugger); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1420 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1421 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1422 insert_breakpoint(context, after, (uint8_t *)debugger); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1423 debugging = 0; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1424 break; |
327
1b00258b1f29
Added some basic VDP debugging features to debugger. Fixed DMA enable bug
Mike Pavone <pavone@retrodev.com>
parents:
321
diff
changeset
|
1425 case 'v': { |
1b00258b1f29
Added some basic VDP debugging features to debugger. Fixed DMA enable bug
Mike Pavone <pavone@retrodev.com>
parents:
321
diff
changeset
|
1426 genesis_context * gen = context->system; |
1b00258b1f29
Added some basic VDP debugging features to debugger. Fixed DMA enable bug
Mike Pavone <pavone@retrodev.com>
parents:
321
diff
changeset
|
1427 //VDP debug commands |
1b00258b1f29
Added some basic VDP debugging features to debugger. Fixed DMA enable bug
Mike Pavone <pavone@retrodev.com>
parents:
321
diff
changeset
|
1428 switch(input_buf[1]) |
1b00258b1f29
Added some basic VDP debugging features to debugger. Fixed DMA enable bug
Mike Pavone <pavone@retrodev.com>
parents:
321
diff
changeset
|
1429 { |
1b00258b1f29
Added some basic VDP debugging features to debugger. Fixed DMA enable bug
Mike Pavone <pavone@retrodev.com>
parents:
321
diff
changeset
|
1430 case 's': |
1b00258b1f29
Added some basic VDP debugging features to debugger. Fixed DMA enable bug
Mike Pavone <pavone@retrodev.com>
parents:
321
diff
changeset
|
1431 vdp_print_sprite_table(gen->vdp); |
1b00258b1f29
Added some basic VDP debugging features to debugger. Fixed DMA enable bug
Mike Pavone <pavone@retrodev.com>
parents:
321
diff
changeset
|
1432 break; |
1b00258b1f29
Added some basic VDP debugging features to debugger. Fixed DMA enable bug
Mike Pavone <pavone@retrodev.com>
parents:
321
diff
changeset
|
1433 case 'r': |
1b00258b1f29
Added some basic VDP debugging features to debugger. Fixed DMA enable bug
Mike Pavone <pavone@retrodev.com>
parents:
321
diff
changeset
|
1434 vdp_print_reg_explain(gen->vdp); |
1b00258b1f29
Added some basic VDP debugging features to debugger. Fixed DMA enable bug
Mike Pavone <pavone@retrodev.com>
parents:
321
diff
changeset
|
1435 break; |
1b00258b1f29
Added some basic VDP debugging features to debugger. Fixed DMA enable bug
Mike Pavone <pavone@retrodev.com>
parents:
321
diff
changeset
|
1436 } |
1b00258b1f29
Added some basic VDP debugging features to debugger. Fixed DMA enable bug
Mike Pavone <pavone@retrodev.com>
parents:
321
diff
changeset
|
1437 break; |
1b00258b1f29
Added some basic VDP debugging features to debugger. Fixed DMA enable bug
Mike Pavone <pavone@retrodev.com>
parents:
321
diff
changeset
|
1438 } |
366
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1439 case 'z': { |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1440 genesis_context * gen = context->system; |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1441 //Z80 debug commands |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1442 switch(input_buf[1]) |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1443 { |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1444 case 'b': |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1445 param = find_param(input_buf); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1446 if (!param) { |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1447 fputs("zb command requires a parameter\n", stderr); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1448 break; |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1449 } |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1450 value = strtol(param, NULL, 16); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1451 zinsert_breakpoint(gen->z80, value, (uint8_t *)zdebugger); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1452 new_bp = malloc(sizeof(bp_def)); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1453 new_bp->next = zbreakpoints; |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1454 new_bp->address = value; |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1455 new_bp->index = zbp_index++; |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1456 zbreakpoints = new_bp; |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1457 printf("Z80 Breakpoint %d set at %X\n", new_bp->index, value); |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1458 break; |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1459 } |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1460 break; |
836585d389b8
Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents:
364
diff
changeset
|
1461 } |
184
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1462 case 'q': |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1463 puts("Quitting"); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1464 exit(0); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1465 break; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1466 default: |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1467 fprintf(stderr, "Unrecognized debugger command %s\n", input_buf); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1468 break; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1469 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1470 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1471 return context; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1472 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1473 |
424
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1474 #define GST_68K_REGS 0x80 |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1475 #define GST_68K_REG_SIZE (0xDA-GST_68K_REGS) |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1476 #define GST_68K_PC_OFFSET (0xC8-GST_68K_REGS) |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1477 #define GST_68K_SR_OFFSET (0xD0-GST_68K_REGS) |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1478 #define GST_68K_USP_OFFSET (0xD2-GST_68K_REGS) |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1479 #define GST_68K_SSP_OFFSET (0xD6-GST_68K_REGS) |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1480 #define GST_68K_RAM 0x2478 |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1481 #define GST_Z80_REGS 0x404 |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1482 #define GST_Z80_REG_SIZE (0x440-GST_Z80_REGS) |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1483 #define GST_Z80_RAM 0x474 |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1484 |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1485 uint32_t read_le_32(uint8_t * data) |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1486 { |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1487 return data[3] << 24 | data[2] << 16 | data[1] << 8 | data[0]; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1488 } |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1489 |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1490 uint16_t read_le_16(uint8_t * data) |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1491 { |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1492 return data[1] << 8 | data[0]; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1493 } |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1494 |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1495 uint16_t read_be_16(uint8_t * data) |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1496 { |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1497 return data[0] << 8 | data[1]; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1498 } |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1499 |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1500 uint32_t m68k_load_gst(m68k_context * context, FILE * gstfile) |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1501 { |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1502 uint8_t buffer[4096]; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1503 fseek(gstfile, GST_68K_REGS, SEEK_SET); |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1504 if (fread(buffer, 1, GST_68K_REG_SIZE, gstfile) != GST_68K_REG_SIZE) { |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1505 fputs("Failed to read 68K registers from savestate\n", stderr); |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1506 return 0; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1507 } |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1508 uint8_t * curpos = buffer; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1509 for (int i = 0; i < 8; i++) { |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1510 context->dregs[i] = read_le_32(curpos); |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1511 curpos += sizeof(uint32_t); |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1512 } |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1513 for (int i = 0; i < 8; i++) { |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1514 context->aregs[i] = read_le_32(curpos); |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1515 curpos += sizeof(uint32_t); |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1516 } |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1517 uint32_t pc = read_le_32(buffer + GST_68K_PC_OFFSET); |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1518 uint16_t sr = read_le_16(buffer + GST_68K_SR_OFFSET); |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1519 context->status = sr >> 8; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1520 for (int flag = 4; flag >= 0; flag--) { |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1521 context->flags[flag] = sr & 1; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1522 sr >>= 1; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1523 } |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1524 if (context->status & (1 << 5)) { |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1525 context->aregs[8] = read_le_32(buffer + GST_68K_USP_OFFSET); |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1526 } else { |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1527 context->aregs[8] = read_le_32(buffer + GST_68K_SSP_OFFSET); |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1528 } |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1529 fseek(gstfile, GST_68K_RAM, SEEK_SET); |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1530 for (int i = 0; i < (32*1024);) { |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1531 if (fread(buffer, 1, sizeof(buffer), gstfile) != sizeof(buffer)) { |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1532 fputs("Failed to read 68K RAM from savestate\n", stderr); |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1533 return 0; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1534 } |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1535 for(curpos = buffer; curpos < (buffer + sizeof(buffer)); curpos += sizeof(uint16_t)) { |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1536 context->mem_pointers[1][i++] = read_be_16(curpos); |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1537 } |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1538 } |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1539 return pc; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1540 } |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1541 |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1542 uint8_t z80_load_gst(z80_context * context, FILE * gstfile) |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1543 { |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1544 uint8_t regdata[GST_Z80_REG_SIZE]; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1545 fseek(gstfile, GST_Z80_REGS, SEEK_SET); |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1546 if (fread(regdata, 1, sizeof(regdata), gstfile) != sizeof(regdata)) { |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1547 fputs("Failed to read Z80 registers from savestate\n", stderr); |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1548 return 0; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1549 } |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1550 uint8_t * curpos = regdata; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1551 uint8_t f = *(curpos++); |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1552 context->flags[ZF_C] = f & 1; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1553 f >>= 1; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1554 context->flags[ZF_N] = f & 1; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1555 f >>= 1; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1556 context->flags[ZF_PV] = f & 1; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1557 f >>= 2; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1558 context->flags[ZF_H] = f & 1; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1559 f >>= 2; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1560 context->flags[ZF_Z] = f & 1; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1561 f >>= 1; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1562 context->flags[ZF_S] = f; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1563 |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1564 context->regs[Z80_A] = *curpos; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1565 curpos += 3; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1566 for (int reg = Z80_C; reg <= Z80_IYH; reg++) { |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1567 context->regs[reg++] = *(curpos++); |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1568 context->regs[reg] = *curpos; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1569 curpos += 3; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1570 } |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1571 uint16_t pc = read_le_16(curpos); |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1572 curpos += 4; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1573 context->sp = read_le_16(curpos); |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1574 curpos += 4; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1575 f = *(curpos++); |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1576 context->alt_flags[ZF_C] = f & 1; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1577 f >>= 1; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1578 context->alt_flags[ZF_N] = f & 1; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1579 f >>= 1; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1580 context->alt_flags[ZF_PV] = f & 1; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1581 f >>= 2; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1582 context->alt_flags[ZF_H] = f & 1; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1583 f >>= 2; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1584 context->alt_flags[ZF_Z] = f & 1; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1585 f >>= 1; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1586 context->alt_flags[ZF_S] = f; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1587 context->alt_regs[Z80_A] = *curpos; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1588 curpos += 3; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1589 for (int reg = Z80_C; reg <= Z80_H; reg++) { |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1590 context->alt_regs[reg++] = *(curpos++); |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1591 context->alt_regs[reg] = *curpos; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1592 curpos += 3; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1593 } |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1594 context->regs[Z80_I] = *curpos; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1595 curpos += 2; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1596 context->iff1 = context->iff2 = *curpos; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1597 curpos += 2; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1598 reset = !*(curpos++); |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1599 busreq = *curpos; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1600 curpos += 3; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1601 uint32_t bank = read_le_32(curpos); |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1602 if (bank < 0x400000) { |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1603 context->mem_pointers[1] = context->mem_pointers[2] + bank; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1604 } else { |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1605 context->mem_pointers[1] = NULL; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1606 } |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1607 context->bank_reg = bank >> 15; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1608 fseek(gstfile, GST_Z80_RAM, SEEK_SET); |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1609 if(fread(context->mem_pointers[0], 1, 8*1024, gstfile) != (8*1024)) { |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1610 fputs("Failed to read Z80 RAM from savestate\n", stderr); |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1611 return 0; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1612 } |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1613 context->native_pc = z80_get_native_address_trans(context, pc); |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1614 return 1; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1615 } |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1616 |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1617 uint32_t load_gst(genesis_context * gen, char * fname) |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1618 { |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1619 FILE * gstfile = fopen(fname, "rb"); |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1620 if (!gstfile) { |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1621 fprintf(stderr, "Could not open file %s for reading\n", fname); |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1622 goto error; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1623 } |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1624 char ident[5]; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1625 if (fread(ident, 1, sizeof(ident), gstfile) != sizeof(ident)) { |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1626 fprintf(stderr, "Could not read ident code from %s\n", fname); |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1627 goto error_close; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1628 } |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1629 if (memcmp(ident, "GST\xE0\x40", 3) != 0) { |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1630 fprintf(stderr, "%s doesn't appear to be a GST savestate. The ident code is %c%c%c\\x%X\\x%X instead of GST\\xE0\\x40.\n", fname, ident[0], ident[1], ident[2], ident[3], ident[4]); |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1631 goto error_close; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1632 } |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1633 uint32_t pc = m68k_load_gst(gen->m68k, gstfile); |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1634 if (!pc) { |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1635 goto error_close; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1636 } |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1637 if (!vdp_load_gst(gen->vdp, gstfile)) { |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1638 goto error_close; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1639 } |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1640 if (!ym_load_gst(gen->ym, gstfile)) { |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1641 goto error_close; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1642 } |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1643 if (!z80_load_gst(gen->z80, gstfile)) { |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1644 goto error_close; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1645 } |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1646 gen->ports[0].control = 0x40; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1647 gen->ports[1].control = 0x40; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1648 adjust_int_cycle(gen->m68k, gen->vdp); |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1649 fclose(gstfile); |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1650 return pc; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1651 |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1652 error_close: |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1653 fclose(gstfile); |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1654 error: |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1655 return 0; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1656 } |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1657 |
351
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1658 #define ROM_END 0x1A4 |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1659 #define RAM_ID 0x1B0 |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1660 #define RAM_FLAGS 0x1B2 |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1661 #define RAM_START 0x1B4 |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1662 #define RAM_END 0x1B8 |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1663 #define MAX_MAP_CHUNKS (4+7+1) |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1664 #define RAM_FLAG_MASK 0x1800 |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1665 |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1666 const memmap_chunk static_map[] = { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1667 {0, 0x400000, 0xFFFFFF, 0, MMAP_READ, cart, |
343
467bfa17004a
Mostly working runtime generation of memory map read/write functions
Mike Pavone <pavone@retrodev.com>
parents:
342
diff
changeset
|
1668 NULL, NULL, NULL, NULL}, |
467bfa17004a
Mostly working runtime generation of memory map read/write functions
Mike Pavone <pavone@retrodev.com>
parents:
342
diff
changeset
|
1669 {0xE00000, 0x1000000, 0xFFFF, 0, MMAP_READ | MMAP_WRITE | MMAP_CODE, ram, |
467bfa17004a
Mostly working runtime generation of memory map read/write functions
Mike Pavone <pavone@retrodev.com>
parents:
342
diff
changeset
|
1670 NULL, NULL, NULL, NULL}, |
467bfa17004a
Mostly working runtime generation of memory map read/write functions
Mike Pavone <pavone@retrodev.com>
parents:
342
diff
changeset
|
1671 {0xC00000, 0xE00000, 0x1FFFFF, 0, 0, NULL, |
467bfa17004a
Mostly working runtime generation of memory map read/write functions
Mike Pavone <pavone@retrodev.com>
parents:
342
diff
changeset
|
1672 (read_16_fun)vdp_port_read, (write_16_fun)vdp_port_write, |
467bfa17004a
Mostly working runtime generation of memory map read/write functions
Mike Pavone <pavone@retrodev.com>
parents:
342
diff
changeset
|
1673 (read_8_fun)vdp_port_read_b, (write_8_fun)vdp_port_write_b}, |
467bfa17004a
Mostly working runtime generation of memory map read/write functions
Mike Pavone <pavone@retrodev.com>
parents:
342
diff
changeset
|
1674 {0xA00000, 0xA12000, 0x1FFFF, 0, 0, NULL, |
467bfa17004a
Mostly working runtime generation of memory map read/write functions
Mike Pavone <pavone@retrodev.com>
parents:
342
diff
changeset
|
1675 (read_16_fun)io_read_w, (write_16_fun)io_write_w, |
467bfa17004a
Mostly working runtime generation of memory map read/write functions
Mike Pavone <pavone@retrodev.com>
parents:
342
diff
changeset
|
1676 (read_8_fun)io_read, (write_8_fun)io_write} |
467bfa17004a
Mostly working runtime generation of memory map read/write functions
Mike Pavone <pavone@retrodev.com>
parents:
342
diff
changeset
|
1677 }; |
351
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1678 |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1679 char * sram_filename; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1680 genesis_context * genesis; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1681 void save_sram() |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1682 { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1683 FILE * f = fopen(sram_filename, "wb"); |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1684 if (!f) { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1685 fprintf(stderr, "Failed to open SRAM file %s for writing\n", sram_filename); |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1686 return; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1687 } |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1688 uint32_t size = genesis->save_ram_mask+1; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1689 if (genesis->save_flags != RAM_FLAG_BOTH) { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1690 size/= 2; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1691 } |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1692 fwrite(genesis->save_ram, 1, size, f); |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1693 fclose(f); |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1694 printf("Saved SRAM to %s\n", sram_filename); |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1695 } |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1696 |
424
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1697 void init_run_cpu(genesis_context * gen, int debug, FILE * address_log, char * statefile) |
351
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1698 { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1699 m68k_context context; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1700 x86_68k_options opts; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1701 gen->m68k = &context; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1702 memmap_chunk memmap[MAX_MAP_CHUNKS]; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1703 uint32_t num_chunks; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1704 void * initial_mapped = NULL; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1705 gen->save_ram = NULL; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1706 //TODO: Handle carts larger than 4MB |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1707 //TODO: Handle non-standard mappers |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1708 uint32_t size; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1709 if ((cart[RAM_ID/2] & 0xFF) == 'A' && (cart[RAM_ID/2] >> 8) == 'R') { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1710 //Cart has save RAM |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1711 uint32_t rom_end = ((cart[ROM_END/2] << 16) | cart[ROM_END/2+1]) + 1; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1712 uint32_t ram_start = (cart[RAM_START/2] << 16) | cart[RAM_START/2+1]; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1713 uint32_t ram_end = (cart[RAM_END/2] << 16) | cart[RAM_END/2+1]; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1714 uint16_t ram_flags = cart[RAM_FLAGS/2]; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1715 gen->save_flags = ram_flags & RAM_FLAG_MASK; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1716 memset(memmap, 0, sizeof(memmap_chunk)*2); |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1717 if (ram_start >= rom_end) { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1718 memmap[0].end = rom_end; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1719 memmap[0].mask = 0xFFFFFF; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1720 memmap[0].flags = MMAP_READ; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1721 memmap[0].buffer = cart; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1722 |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1723 ram_start &= 0xFFFFFE; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1724 ram_end |= 1; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1725 memmap[1].start = ram_start; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1726 gen->save_ram_mask = memmap[1].mask = ram_end-ram_start; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1727 ram_end += 1; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1728 memmap[1].end = ram_end; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1729 memmap[1].flags = MMAP_READ | MMAP_WRITE; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1730 size = ram_end-ram_start; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1731 if ((ram_flags & RAM_FLAG_MASK) == RAM_FLAG_ODD) { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1732 memmap[1].flags |= MMAP_ONLY_ODD; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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346
diff
changeset
|
1733 size /= 2; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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346
diff
changeset
|
1734 } else if((ram_flags & RAM_FLAG_MASK) == RAM_FLAG_EVEN) { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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346
diff
changeset
|
1735 memmap[1].flags |= MMAP_ONLY_EVEN; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
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346
diff
changeset
|
1736 size /= 2; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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346
diff
changeset
|
1737 } |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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346
diff
changeset
|
1738 memmap[1].buffer = gen->save_ram = malloc(size); |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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346
diff
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|
1739 |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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346
diff
changeset
|
1740 memcpy(memmap+2, static_map+1, sizeof(static_map)-sizeof(static_map[0])); |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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346
diff
changeset
|
1741 num_chunks = sizeof(static_map)/sizeof(memmap_chunk)+1; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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346
diff
changeset
|
1742 } else { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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346
diff
changeset
|
1743 //Assume the standard Sega mapper for now |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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346
diff
changeset
|
1744 memmap[0].end = 0x200000; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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parents:
346
diff
changeset
|
1745 memmap[0].mask = 0xFFFFFF; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
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346
diff
changeset
|
1746 memmap[0].flags = MMAP_READ; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1747 memmap[0].buffer = cart; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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346
diff
changeset
|
1748 |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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346
diff
changeset
|
1749 memmap[1].start = 0x200000; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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346
diff
changeset
|
1750 memmap[1].end = 0x400000; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
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346
diff
changeset
|
1751 memmap[1].mask = 0x1FFFFF; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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346
diff
changeset
|
1752 ram_start &= 0xFFFFFE; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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parents:
346
diff
changeset
|
1753 ram_end |= 1; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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346
diff
changeset
|
1754 gen->save_ram_mask = ram_end-ram_start; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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346
diff
changeset
|
1755 memmap[1].flags = MMAP_READ | MMAP_PTR_IDX | MMAP_FUNC_NULL; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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parents:
346
diff
changeset
|
1756 memmap[1].ptr_index = 2; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
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346
diff
changeset
|
1757 memmap[1].read_16 = (read_16_fun)read_sram_w;//these will only be called when mem_pointers[2] == NULL |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1758 memmap[1].read_8 = (read_8_fun)read_sram_b; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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346
diff
changeset
|
1759 memmap[1].write_16 = (write_16_fun)write_sram_area_w;//these will be called all writes to the area |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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parents:
346
diff
changeset
|
1760 memmap[1].write_8 = (write_8_fun)write_sram_area_b; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1761 memcpy(memmap+2, static_map+1, sizeof(static_map)-sizeof(static_map[0])); |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1762 num_chunks = sizeof(static_map)/sizeof(memmap_chunk)+1; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1763 memset(memmap+num_chunks, 0, sizeof(memmap[num_chunks])); |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1764 memmap[num_chunks].start = 0xA13000; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1765 memmap[num_chunks].end = 0xA13100; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1766 memmap[num_chunks].mask = 0xFF; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1767 memmap[num_chunks].write_16 = (write_16_fun)write_bank_reg_w; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1768 memmap[num_chunks].write_8 = (write_8_fun)write_bank_reg_b; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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parents:
346
diff
changeset
|
1769 num_chunks++; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1770 ram_end++; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1771 size = ram_end-ram_start; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1772 if ((ram_flags & RAM_FLAG_MASK) != RAM_FLAG_BOTH) { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1773 size /= 2; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1774 } |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1775 gen->save_ram = malloc(size); |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1776 memmap[1].buffer = initial_mapped = cart + 0x200000/2; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1777 } |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1778 } else { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1779 memcpy(memmap, static_map, sizeof(static_map)); |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1780 num_chunks = sizeof(static_map)/sizeof(memmap_chunk); |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1781 } |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1782 if (gen->save_ram) { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1783 memset(gen->save_ram, 0, size); |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1784 FILE * f = fopen(sram_filename, "rb"); |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1785 if (f) { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1786 uint32_t read = fread(gen->save_ram, 1, size, f); |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1787 fclose(f); |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1788 if (read > 0) { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
1789 printf("Loaded SRAM from %s\n", sram_filename); |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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346
diff
changeset
|
1790 } |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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parents:
346
diff
changeset
|
1791 } |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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parents:
346
diff
changeset
|
1792 atexit(save_sram); |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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parents:
346
diff
changeset
|
1793 } |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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346
diff
changeset
|
1794 init_x86_68k_opts(&opts, memmap, num_chunks); |
211 | 1795 opts.address_log = address_log; |
1796 init_68k_context(&context, opts.native_code_map, &opts); | |
1797 | |
288
a8ee7934a1f8
Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run.
Mike Pavone <pavone@retrodev.com>
parents:
280
diff
changeset
|
1798 context.video_context = gen->vdp; |
a8ee7934a1f8
Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run.
Mike Pavone <pavone@retrodev.com>
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280
diff
changeset
|
1799 context.system = gen; |
211 | 1800 //cartridge ROM |
1801 context.mem_pointers[0] = cart; | |
342
13f994c88c34
Get frame time correct and frame rate sort of correct for EUR region
Mike Pavone <pavone@retrodev.com>
parents:
341
diff
changeset
|
1802 context.target_cycle = context.sync_cycle = mclks_per_frame/MCLKS_PER_68K; |
211 | 1803 //work RAM |
1804 context.mem_pointers[1] = ram; | |
351
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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346
diff
changeset
|
1805 //save RAM/map |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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346
diff
changeset
|
1806 context.mem_pointers[2] = initial_mapped; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
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346
diff
changeset
|
1807 context.mem_pointers[3] = (uint16_t *)gen->save_ram; |
211 | 1808 uint32_t address; |
1809 address = cart[2] << 16 | cart[3]; | |
1810 translate_m68k_stream(address, &context); | |
424
7e8e179116af
Add support for loading GST format savestates
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parents:
422
diff
changeset
|
1811 if (statefile) { |
7e8e179116af
Add support for loading GST format savestates
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422
diff
changeset
|
1812 uint32_t pc = load_gst(gen, statefile); |
7e8e179116af
Add support for loading GST format savestates
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422
diff
changeset
|
1813 if (!pc) { |
7e8e179116af
Add support for loading GST format savestates
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422
diff
changeset
|
1814 exit(1); |
7e8e179116af
Add support for loading GST format savestates
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422
diff
changeset
|
1815 } |
7e8e179116af
Add support for loading GST format savestates
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422
diff
changeset
|
1816 if (debug) { |
7e8e179116af
Add support for loading GST format savestates
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422
diff
changeset
|
1817 insert_breakpoint(&context, pc, (uint8_t *)debugger); |
7e8e179116af
Add support for loading GST format savestates
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422
diff
changeset
|
1818 } |
7e8e179116af
Add support for loading GST format savestates
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422
diff
changeset
|
1819 start_68k_context(&context, pc); |
7e8e179116af
Add support for loading GST format savestates
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422
diff
changeset
|
1820 } else { |
7e8e179116af
Add support for loading GST format savestates
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parents:
422
diff
changeset
|
1821 if (debug) { |
7e8e179116af
Add support for loading GST format savestates
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422
diff
changeset
|
1822 insert_breakpoint(&context, address, (uint8_t *)debugger); |
7e8e179116af
Add support for loading GST format savestates
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422
diff
changeset
|
1823 } |
7e8e179116af
Add support for loading GST format savestates
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422
diff
changeset
|
1824 m68k_reset(&context); |
211 | 1825 } |
1826 } | |
1827 | |
340
58a085cfc6bd
Set window title based on ROM header name
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diff
changeset
|
1828 char title[64]; |
58a085cfc6bd
Set window title based on ROM header name
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diff
changeset
|
1829 |
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Set window title based on ROM header name
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diff
changeset
|
1830 #define TITLE_START 0x150 |
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Set window title based on ROM header name
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diff
changeset
|
1831 #define TITLE_END (TITLE_START+48) |
58a085cfc6bd
Set window title based on ROM header name
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changeset
|
1832 |
58a085cfc6bd
Set window title based on ROM header name
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338
diff
changeset
|
1833 void update_title() |
58a085cfc6bd
Set window title based on ROM header name
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338
diff
changeset
|
1834 { |
58a085cfc6bd
Set window title based on ROM header name
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diff
changeset
|
1835 uint16_t *last = cart + TITLE_END/2 - 1; |
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Set window title based on ROM header name
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diff
changeset
|
1836 while(last > cart + TITLE_START/2 && *last == 0x2020) |
58a085cfc6bd
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338
diff
changeset
|
1837 { |
58a085cfc6bd
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338
diff
changeset
|
1838 last--; |
58a085cfc6bd
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diff
changeset
|
1839 } |
58a085cfc6bd
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diff
changeset
|
1840 uint16_t *start = cart + TITLE_START/2; |
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338
diff
changeset
|
1841 char *cur = title; |
58a085cfc6bd
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338
diff
changeset
|
1842 char last_char = ' '; |
58a085cfc6bd
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338
diff
changeset
|
1843 for (; start != last; start++) |
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338
diff
changeset
|
1844 { |
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338
diff
changeset
|
1845 if ((last_char != ' ' || (*start >> 8) != ' ') && (*start >> 8) < 0x80) { |
58a085cfc6bd
Set window title based on ROM header name
Mike Pavone <pavone@retrodev.com>
parents:
338
diff
changeset
|
1846 *(cur++) = *start >> 8; |
58a085cfc6bd
Set window title based on ROM header name
Mike Pavone <pavone@retrodev.com>
parents:
338
diff
changeset
|
1847 last_char = *start >> 8; |
58a085cfc6bd
Set window title based on ROM header name
Mike Pavone <pavone@retrodev.com>
parents:
338
diff
changeset
|
1848 } |
58a085cfc6bd
Set window title based on ROM header name
Mike Pavone <pavone@retrodev.com>
parents:
338
diff
changeset
|
1849 if (last_char != ' ' || (*start & 0xFF) != ' ' && (*start & 0xFF) < 0x80) { |
58a085cfc6bd
Set window title based on ROM header name
Mike Pavone <pavone@retrodev.com>
parents:
338
diff
changeset
|
1850 *(cur++) = *start; |
58a085cfc6bd
Set window title based on ROM header name
Mike Pavone <pavone@retrodev.com>
parents:
338
diff
changeset
|
1851 last_char = *start & 0xFF; |
58a085cfc6bd
Set window title based on ROM header name
Mike Pavone <pavone@retrodev.com>
parents:
338
diff
changeset
|
1852 } |
58a085cfc6bd
Set window title based on ROM header name
Mike Pavone <pavone@retrodev.com>
parents:
338
diff
changeset
|
1853 } |
58a085cfc6bd
Set window title based on ROM header name
Mike Pavone <pavone@retrodev.com>
parents:
338
diff
changeset
|
1854 *(cur++) = *start >> 8; |
58a085cfc6bd
Set window title based on ROM header name
Mike Pavone <pavone@retrodev.com>
parents:
338
diff
changeset
|
1855 if ((*start & 0xFF) != ' ') { |
58a085cfc6bd
Set window title based on ROM header name
Mike Pavone <pavone@retrodev.com>
parents:
338
diff
changeset
|
1856 *(cur++) = *start; |
58a085cfc6bd
Set window title based on ROM header name
Mike Pavone <pavone@retrodev.com>
parents:
338
diff
changeset
|
1857 } |
58a085cfc6bd
Set window title based on ROM header name
Mike Pavone <pavone@retrodev.com>
parents:
338
diff
changeset
|
1858 strcpy(cur, " - BlastEm"); |
58a085cfc6bd
Set window title based on ROM header name
Mike Pavone <pavone@retrodev.com>
parents:
338
diff
changeset
|
1859 } |
58a085cfc6bd
Set window title based on ROM header name
Mike Pavone <pavone@retrodev.com>
parents:
338
diff
changeset
|
1860 |
341
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1861 #define REGION_START 0x1F0 |
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1862 |
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1863 int detect_specific_region(char region) |
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1864 { |
346
aff29d50afd5
Fix a region detection bug
Mike Pavone <pavone@retrodev.com>
parents:
345
diff
changeset
|
1865 return (cart[REGION_START/2] & 0xFF) == region || (cart[REGION_START/2] >> 8) == region || (cart[REGION_START/2+1] & 0xFF) == region; |
341
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1866 } |
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1867 |
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1868 void detect_region() |
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1869 { |
343
467bfa17004a
Mostly working runtime generation of memory map read/write functions
Mike Pavone <pavone@retrodev.com>
parents:
342
diff
changeset
|
1870 if (detect_specific_region('U')|| detect_specific_region('B') || detect_specific_region('4')) { |
341
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1871 version_reg = NO_DISK | USA; |
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1872 } else if (detect_specific_region('J')) { |
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1873 version_reg = NO_DISK | JAP; |
343
467bfa17004a
Mostly working runtime generation of memory map read/write functions
Mike Pavone <pavone@retrodev.com>
parents:
342
diff
changeset
|
1874 } else if (detect_specific_region('E') || detect_specific_region('A')) { |
341
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1875 version_reg = NO_DISK | EUR; |
434
f0631c85a90b
Read default region from config file
Mike Pavone <pavone@retrodev.com>
parents:
433
diff
changeset
|
1876 } else { |
f0631c85a90b
Read default region from config file
Mike Pavone <pavone@retrodev.com>
parents:
433
diff
changeset
|
1877 char * def_region = tern_find_ptr(config, "default_region"); |
f0631c85a90b
Read default region from config file
Mike Pavone <pavone@retrodev.com>
parents:
433
diff
changeset
|
1878 if (def_region) { |
f0631c85a90b
Read default region from config file
Mike Pavone <pavone@retrodev.com>
parents:
433
diff
changeset
|
1879 switch(*def_region) |
f0631c85a90b
Read default region from config file
Mike Pavone <pavone@retrodev.com>
parents:
433
diff
changeset
|
1880 { |
f0631c85a90b
Read default region from config file
Mike Pavone <pavone@retrodev.com>
parents:
433
diff
changeset
|
1881 case 'j': |
f0631c85a90b
Read default region from config file
Mike Pavone <pavone@retrodev.com>
parents:
433
diff
changeset
|
1882 case 'J': |
f0631c85a90b
Read default region from config file
Mike Pavone <pavone@retrodev.com>
parents:
433
diff
changeset
|
1883 version_reg = NO_DISK | JAP; |
f0631c85a90b
Read default region from config file
Mike Pavone <pavone@retrodev.com>
parents:
433
diff
changeset
|
1884 break; |
f0631c85a90b
Read default region from config file
Mike Pavone <pavone@retrodev.com>
parents:
433
diff
changeset
|
1885 case 'u': |
f0631c85a90b
Read default region from config file
Mike Pavone <pavone@retrodev.com>
parents:
433
diff
changeset
|
1886 case 'U': |
f0631c85a90b
Read default region from config file
Mike Pavone <pavone@retrodev.com>
parents:
433
diff
changeset
|
1887 version_reg = NO_DISK | USA; |
f0631c85a90b
Read default region from config file
Mike Pavone <pavone@retrodev.com>
parents:
433
diff
changeset
|
1888 break; |
f0631c85a90b
Read default region from config file
Mike Pavone <pavone@retrodev.com>
parents:
433
diff
changeset
|
1889 case 'e': |
f0631c85a90b
Read default region from config file
Mike Pavone <pavone@retrodev.com>
parents:
433
diff
changeset
|
1890 case 'E': |
f0631c85a90b
Read default region from config file
Mike Pavone <pavone@retrodev.com>
parents:
433
diff
changeset
|
1891 version_reg = NO_DISK | EUR; |
f0631c85a90b
Read default region from config file
Mike Pavone <pavone@retrodev.com>
parents:
433
diff
changeset
|
1892 break; |
f0631c85a90b
Read default region from config file
Mike Pavone <pavone@retrodev.com>
parents:
433
diff
changeset
|
1893 } |
f0631c85a90b
Read default region from config file
Mike Pavone <pavone@retrodev.com>
parents:
433
diff
changeset
|
1894 } |
341
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1895 } |
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1896 } |
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1897 |
88
c339559f1d4f
Forgot to add blastem main file earlier
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1898 int main(int argc, char ** argv) |
c339559f1d4f
Forgot to add blastem main file earlier
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1899 { |
c339559f1d4f
Forgot to add blastem main file earlier
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1900 if (argc < 2) { |
430
7f84090ab1cd
Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
425
diff
changeset
|
1901 fputs("Usage: blastem FILENAME [options]\n", stderr); |
88
c339559f1d4f
Forgot to add blastem main file earlier
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1902 return 1; |
c339559f1d4f
Forgot to add blastem main file earlier
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1903 } |
c339559f1d4f
Forgot to add blastem main file earlier
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1904 if(!load_rom(argv[1])) { |
c339559f1d4f
Forgot to add blastem main file earlier
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1905 fprintf(stderr, "Failed to open %s for reading\n", argv[1]); |
c339559f1d4f
Forgot to add blastem main file earlier
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1906 return 1; |
c339559f1d4f
Forgot to add blastem main file earlier
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1907 } |
430
7f84090ab1cd
Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
425
diff
changeset
|
1908 config = load_config(argv[0]); |
341
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1909 detect_region(); |
184
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1910 int width = -1; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1911 int height = -1; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1912 int debug = 0; |
407
c3abc4ada43d
Add support for logging YM2612 channels to WAVE files
Mike Pavone <pavone@retrodev.com>
parents:
405
diff
changeset
|
1913 int ym_log = 0; |
197
7c227a8ec53d
Add instruction address logging to translator and support for reading an address log to the disassembler
Mike Pavone <pavone@retrodev.com>
parents:
195
diff
changeset
|
1914 FILE *address_log = NULL; |
425
8b3ae850d1c4
Forgot to null initialize the statfile pointer
Mike Pavone <pavone@retrodev.com>
parents:
424
diff
changeset
|
1915 char * statefile = NULL; |
444
cc754a309ead
Add fullscreen support and add a keybinding for exiting the emulator
Mike Pavone <pavone@retrodev.com>
parents:
434
diff
changeset
|
1916 uint8_t fullscreen = 0; |
184
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1917 for (int i = 2; i < argc; i++) { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1918 if (argv[i][0] == '-') { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1919 switch(argv[i][1]) { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1920 case 'd': |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1921 debug = 1; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
changeset
|
1922 break; |
338
5c34a9c39394
Re-enable frame limit, but add a command line flag to disable it
Mike Pavone <pavone@retrodev.com>
parents:
336
diff
changeset
|
1923 case 'f': |
444
cc754a309ead
Add fullscreen support and add a keybinding for exiting the emulator
Mike Pavone <pavone@retrodev.com>
parents:
434
diff
changeset
|
1924 fullscreen = 1; |
338
5c34a9c39394
Re-enable frame limit, but add a command line flag to disable it
Mike Pavone <pavone@retrodev.com>
parents:
336
diff
changeset
|
1925 break; |
197
7c227a8ec53d
Add instruction address logging to translator and support for reading an address log to the disassembler
Mike Pavone <pavone@retrodev.com>
parents:
195
diff
changeset
|
1926 case 'l': |
7c227a8ec53d
Add instruction address logging to translator and support for reading an address log to the disassembler
Mike Pavone <pavone@retrodev.com>
parents:
195
diff
changeset
|
1927 address_log = fopen("address.log", "w"); |
7c227a8ec53d
Add instruction address logging to translator and support for reading an address log to the disassembler
Mike Pavone <pavone@retrodev.com>
parents:
195
diff
changeset
|
1928 break; |
215
2b1c2c28b261
Added headless flag to avoid initializing SDL and opening a window when running tests.
Mike Pavone <pavone@retrodev.com>
parents:
211
diff
changeset
|
1929 case 'v': |
2b1c2c28b261
Added headless flag to avoid initializing SDL and opening a window when running tests.
Mike Pavone <pavone@retrodev.com>
parents:
211
diff
changeset
|
1930 headless = 1; |
2b1c2c28b261
Added headless flag to avoid initializing SDL and opening a window when running tests.
Mike Pavone <pavone@retrodev.com>
parents:
211
diff
changeset
|
1931 break; |
265
c6d12878ea93
Add -n flag for disabling the Z80 core
Mike Pavone <pavone@retrodev.com>
parents:
264
diff
changeset
|
1932 case 'n': |
c6d12878ea93
Add -n flag for disabling the Z80 core
Mike Pavone <pavone@retrodev.com>
parents:
264
diff
changeset
|
1933 z80_enabled = 0; |
c6d12878ea93
Add -n flag for disabling the Z80 core
Mike Pavone <pavone@retrodev.com>
parents:
264
diff
changeset
|
1934 break; |
341
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1935 case 'r': |
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1936 i++; |
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1937 if (i >= argc) { |
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1938 fputs("-r must be followed by region (J, U or E)\n", stderr); |
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1939 return 1; |
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1940 } |
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1941 switch (argv[i][0]) |
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1942 { |
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1943 case 'j': |
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1944 case 'J': |
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1945 version_reg = NO_DISK | JAP; |
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1946 break; |
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1947 case 'u': |
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1948 case 'U': |
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1949 version_reg = NO_DISK | USA; |
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1950 break; |
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1951 case 'e': |
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1952 case 'E': |
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1953 version_reg = NO_DISK | EUR; |
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1954 break; |
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1955 default: |
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1956 fprintf(stderr, "'%c' is not a valid region character for the -r option\n", argv[i][0]); |
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1957 return 1; |
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1958 } |
6ad8e36de685
Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents:
340
diff
changeset
|
1959 break; |
424
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1960 case 's': |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1961 i++; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1962 if (i >= argc) { |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1963 fputs("-s must be followed by a savestate filename\n", stderr); |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1964 return 1; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1965 } |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1966 statefile = argv[i]; |
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
1967 break; |
407
c3abc4ada43d
Add support for logging YM2612 channels to WAVE files
Mike Pavone <pavone@retrodev.com>
parents:
405
diff
changeset
|
1968 case 'y': |
c3abc4ada43d
Add support for logging YM2612 channels to WAVE files
Mike Pavone <pavone@retrodev.com>
parents:
405
diff
changeset
|
1969 ym_log = 1; |
c3abc4ada43d
Add support for logging YM2612 channels to WAVE files
Mike Pavone <pavone@retrodev.com>
parents:
405
diff
changeset
|
1970 break; |
184
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
166
diff
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1971 default: |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
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1972 fprintf(stderr, "Unrecognized switch %s\n", argv[i]); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
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1973 return 1; |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
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1974 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
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1975 } else if (width < 0) { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
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1976 width = atoi(argv[i]); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
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1977 } else if (height < 0) { |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
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parents:
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1978 height = atoi(argv[i]); |
88
c339559f1d4f
Forgot to add blastem main file earlier
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diff
changeset
|
1979 } |
c339559f1d4f
Forgot to add blastem main file earlier
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parents:
diff
changeset
|
1980 } |
340
58a085cfc6bd
Set window title based on ROM header name
Mike Pavone <pavone@retrodev.com>
parents:
338
diff
changeset
|
1981 update_title(); |
433
ed4d0017c041
Read default render width from config file
Mike Pavone <pavone@retrodev.com>
parents:
430
diff
changeset
|
1982 int def_width = 0; |
ed4d0017c041
Read default render width from config file
Mike Pavone <pavone@retrodev.com>
parents:
430
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1983 char *config_width = tern_find_ptr(config, "videowidth"); |
ed4d0017c041
Read default render width from config file
Mike Pavone <pavone@retrodev.com>
parents:
430
diff
changeset
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1984 if (config_width) { |
ed4d0017c041
Read default render width from config file
Mike Pavone <pavone@retrodev.com>
parents:
430
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|
1985 def_width = atoi(config_width); |
ed4d0017c041
Read default render width from config file
Mike Pavone <pavone@retrodev.com>
parents:
430
diff
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|
1986 } |
ed4d0017c041
Read default render width from config file
Mike Pavone <pavone@retrodev.com>
parents:
430
diff
changeset
|
1987 if (!def_width) { |
ed4d0017c041
Read default render width from config file
Mike Pavone <pavone@retrodev.com>
parents:
430
diff
changeset
|
1988 def_width = 640; |
ed4d0017c041
Read default render width from config file
Mike Pavone <pavone@retrodev.com>
parents:
430
diff
changeset
|
1989 } |
ed4d0017c041
Read default render width from config file
Mike Pavone <pavone@retrodev.com>
parents:
430
diff
changeset
|
1990 width = width < 320 ? def_width : width; |
184
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
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parents:
166
diff
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1991 height = height < 240 ? (width/320) * 240 : height; |
354
15dd6418fe67
Initial PSG support. Mostly works, noise channel is borked though.
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parents:
351
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|
1992 uint32_t fps = 60; |
342
13f994c88c34
Get frame time correct and frame rate sort of correct for EUR region
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parents:
341
diff
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|
1993 if (version_reg & 0x40) { |
13f994c88c34
Get frame time correct and frame rate sort of correct for EUR region
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parents:
341
diff
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1994 mclks_per_frame = MCLKS_LINE * LINES_PAL; |
354
15dd6418fe67
Initial PSG support. Mostly works, noise channel is borked though.
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parents:
351
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|
1995 fps = 50; |
15dd6418fe67
Initial PSG support. Mostly works, noise channel is borked though.
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parents:
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diff
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|
1996 } |
15dd6418fe67
Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents:
351
diff
changeset
|
1997 if (!headless) { |
444
cc754a309ead
Add fullscreen support and add a keybinding for exiting the emulator
Mike Pavone <pavone@retrodev.com>
parents:
434
diff
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|
1998 render_init(width, height, title, fps, fullscreen); |
342
13f994c88c34
Get frame time correct and frame rate sort of correct for EUR region
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341
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|
1999 } |
88
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diff
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|
2000 vdp_context v_context; |
c339559f1d4f
Forgot to add blastem main file earlier
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parents:
diff
changeset
|
2001 |
c339559f1d4f
Forgot to add blastem main file earlier
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parents:
diff
changeset
|
2002 init_vdp_context(&v_context); |
260
625f8e4d5fd2
Initial stab at integartiong Z80 core
Mike Pavone <pavone@retrodev.com>
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215
diff
changeset
|
2003 |
288
a8ee7934a1f8
Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run.
Mike Pavone <pavone@retrodev.com>
parents:
280
diff
changeset
|
2004 ym2612_context y_context; |
407
c3abc4ada43d
Add support for logging YM2612 channels to WAVE files
Mike Pavone <pavone@retrodev.com>
parents:
405
diff
changeset
|
2005 ym_init(&y_context, render_sample_rate(), fps == 60 ? MCLKS_NTSC : MCLKS_PAL, MCLKS_PER_YM, render_audio_buffer(), ym_log ? YM_OPT_WAVE_LOG : 0); |
288
a8ee7934a1f8
Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run.
Mike Pavone <pavone@retrodev.com>
parents:
280
diff
changeset
|
2006 |
354
15dd6418fe67
Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents:
351
diff
changeset
|
2007 psg_context p_context; |
380
1c8d74f2ab0b
Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run.
Mike Pavone <pavone@retrodev.com>
parents:
374
diff
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|
2008 psg_init(&p_context, render_sample_rate(), fps == 60 ? MCLKS_NTSC : MCLKS_PAL, MCLKS_PER_PSG, render_audio_buffer()); |
354
15dd6418fe67
Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents:
351
diff
changeset
|
2009 |
260
625f8e4d5fd2
Initial stab at integartiong Z80 core
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parents:
215
diff
changeset
|
2010 z80_context z_context; |
625f8e4d5fd2
Initial stab at integartiong Z80 core
Mike Pavone <pavone@retrodev.com>
parents:
215
diff
changeset
|
2011 x86_z80_options z_opts; |
625f8e4d5fd2
Initial stab at integartiong Z80 core
Mike Pavone <pavone@retrodev.com>
parents:
215
diff
changeset
|
2012 init_x86_z80_opts(&z_opts); |
625f8e4d5fd2
Initial stab at integartiong Z80 core
Mike Pavone <pavone@retrodev.com>
parents:
215
diff
changeset
|
2013 init_z80_context(&z_context, &z_opts); |
290
171f97e70d85
Implement writes from Z80 to YM-2612
Mike Pavone <pavone@retrodev.com>
parents:
289
diff
changeset
|
2014 |
421
d0cacb4ade0b
Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
418
diff
changeset
|
2015 genesis_context gen; |
d0cacb4ade0b
Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
418
diff
changeset
|
2016 memset(&gen, 0, sizeof(gen)); |
290
171f97e70d85
Implement writes from Z80 to YM-2612
Mike Pavone <pavone@retrodev.com>
parents:
289
diff
changeset
|
2017 |
171f97e70d85
Implement writes from Z80 to YM-2612
Mike Pavone <pavone@retrodev.com>
parents:
289
diff
changeset
|
2018 z_context.system = &gen; |
260
625f8e4d5fd2
Initial stab at integartiong Z80 core
Mike Pavone <pavone@retrodev.com>
parents:
215
diff
changeset
|
2019 z_context.mem_pointers[0] = z80_ram; |
342
13f994c88c34
Get frame time correct and frame rate sort of correct for EUR region
Mike Pavone <pavone@retrodev.com>
parents:
341
diff
changeset
|
2020 z_context.sync_cycle = z_context.target_cycle = mclks_per_frame/MCLKS_PER_Z80; |
260
625f8e4d5fd2
Initial stab at integartiong Z80 core
Mike Pavone <pavone@retrodev.com>
parents:
215
diff
changeset
|
2021 z_context.int_cycle = CYCLE_NEVER; |
625f8e4d5fd2
Initial stab at integartiong Z80 core
Mike Pavone <pavone@retrodev.com>
parents:
215
diff
changeset
|
2022 z_context.mem_pointers[1] = z_context.mem_pointers[2] = (uint8_t *)cart; |
625f8e4d5fd2
Initial stab at integartiong Z80 core
Mike Pavone <pavone@retrodev.com>
parents:
215
diff
changeset
|
2023 |
288
a8ee7934a1f8
Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run.
Mike Pavone <pavone@retrodev.com>
parents:
280
diff
changeset
|
2024 gen.z80 = &z_context; |
a8ee7934a1f8
Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run.
Mike Pavone <pavone@retrodev.com>
parents:
280
diff
changeset
|
2025 gen.vdp = &v_context; |
a8ee7934a1f8
Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run.
Mike Pavone <pavone@retrodev.com>
parents:
280
diff
changeset
|
2026 gen.ym = &y_context; |
354
15dd6418fe67
Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents:
351
diff
changeset
|
2027 gen.psg = &p_context; |
351
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
2028 genesis = &gen; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
2029 |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
2030 int fname_size = strlen(argv[1]); |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
2031 sram_filename = malloc(fname_size+6); |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
2032 memcpy(sram_filename, argv[1], fname_size); |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
2033 int i; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
2034 for (i = fname_size-1; fname_size >= 0; --i) { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
2035 if (sram_filename[i] == '.') { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
2036 strcpy(sram_filename + i + 1, "sram"); |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
2037 break; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
2038 } |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
2039 } |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
2040 if (i < 0) { |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
2041 strcpy(sram_filename + fname_size, ".sram"); |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
346
diff
changeset
|
2042 } |
398
c26e48a93fa3
Make keybindings data driven so they can be populated from a config file later
Mike Pavone <pavone@retrodev.com>
parents:
395
diff
changeset
|
2043 set_keybindings(); |
288
a8ee7934a1f8
Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run.
Mike Pavone <pavone@retrodev.com>
parents:
280
diff
changeset
|
2044 |
424
7e8e179116af
Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents:
422
diff
changeset
|
2045 init_run_cpu(&gen, debug, address_log, statefile); |
88
c339559f1d4f
Forgot to add blastem main file earlier
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
2046 return 0; |
c339559f1d4f
Forgot to add blastem main file earlier
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
2047 } |