Mercurial > repos > blastem
annotate gst.c @ 1356:4d16c09210fd
Fix resampling code to deal with case in which output frequency is greater than the input frequency. Probably could stand to be improved, but at least it doesn't cause the emulator to deadlock
author | Michael Pavone <pavone@retrodev.com> |
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date | Thu, 11 May 2017 07:51:28 -0700 |
parents | 69c25e1188e5 |
children | 2540c05520f2 |
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Added copyright notice to source files and added GPL license text in COPYING
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1 /* |
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2 Copyright 2013 Michael Pavone |
668
5439ae7946ca
Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
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3 This file is part of BlastEm. |
467
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4 BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text. |
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5 */ |
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WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
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6 #include "genesis.h" |
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7 #include "gst.h" |
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8 #include <string.h> |
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9 #include <stdio.h> |
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10 |
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11 #define GST_68K_REGS 0x80 |
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12 #define GST_68K_REG_SIZE (0xDA-GST_68K_REGS) |
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13 #define GST_68K_PC_OFFSET (0xC8-GST_68K_REGS) |
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14 #define GST_68K_SR_OFFSET (0xD0-GST_68K_REGS) |
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15 #define GST_68K_USP_OFFSET (0xD2-GST_68K_REGS) |
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16 #define GST_68K_SSP_OFFSET (0xD6-GST_68K_REGS) |
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17 #define GST_68K_RAM 0x2478 |
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18 #define GST_Z80_REGS 0x404 |
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19 #define GST_Z80_REG_SIZE (0x440-GST_Z80_REGS) |
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20 #define GST_Z80_RAM 0x474 |
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21 #define GST_VDP_REGS 0xFA |
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22 #define GST_VDP_MEM 0x12478 |
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23 #define GST_YM_OFFSET 0x1E4 |
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24 #define GST_YM_SIZE (0x3E4-GST_YM_OFFSET) |
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25 |
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26 uint32_t read_le_32(uint8_t * data) |
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27 { |
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28 return data[3] << 24 | data[2] << 16 | data[1] << 8 | data[0]; |
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29 } |
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30 |
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31 uint16_t read_le_16(uint8_t * data) |
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32 { |
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33 return data[1] << 8 | data[0]; |
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34 } |
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35 |
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36 uint16_t read_be_16(uint8_t * data) |
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37 { |
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38 return data[0] << 8 | data[1]; |
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39 } |
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40 |
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41 void write_le_32(uint8_t * dst, uint32_t val) |
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42 { |
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43 dst[0] = val; |
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44 dst[1] = val >> 8; |
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45 dst[2] = val >> 16; |
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46 dst[3] = val >> 24; |
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47 } |
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48 |
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49 void write_le_16(uint8_t * dst, uint16_t val) |
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50 { |
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51 dst[0] = val; |
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52 dst[1] = val >> 8; |
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53 } |
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54 |
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55 void write_be_32(uint8_t * dst, uint32_t val) |
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56 { |
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57 dst[0] = val >> 24; |
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58 dst[1] = val >> 16; |
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59 dst[2] = val >> 8; |
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60 dst[3] = val; |
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61 } |
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62 |
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63 void write_be_16(uint8_t * dst, uint16_t val) |
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64 { |
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65 dst[0] = val >> 8; |
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66 dst[1] = val; |
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67 } |
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68 |
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69 uint32_t m68k_load_gst(m68k_context * context, FILE * gstfile) |
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70 { |
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71 uint8_t buffer[GST_68K_REG_SIZE]; |
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72 fseek(gstfile, GST_68K_REGS, SEEK_SET); |
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73 if (fread(buffer, 1, GST_68K_REG_SIZE, gstfile) != GST_68K_REG_SIZE) { |
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74 fputs("Failed to read 68K registers from savestate\n", stderr); |
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75 return 0; |
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76 } |
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77 uint8_t * curpos = buffer; |
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78 for (int i = 0; i < 8; i++) { |
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79 context->dregs[i] = read_le_32(curpos); |
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80 curpos += sizeof(uint32_t); |
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81 } |
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82 for (int i = 0; i < 8; i++) { |
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83 context->aregs[i] = read_le_32(curpos); |
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84 curpos += sizeof(uint32_t); |
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85 } |
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86 uint32_t pc = read_le_32(buffer + GST_68K_PC_OFFSET); |
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87 uint16_t sr = read_le_16(buffer + GST_68K_SR_OFFSET); |
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88 context->status = sr >> 8; |
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89 for (int flag = 4; flag >= 0; flag--) { |
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90 context->flags[flag] = sr & 1; |
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91 sr >>= 1; |
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92 } |
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93 if (context->status & (1 << 5)) { |
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94 context->aregs[8] = read_le_32(buffer + GST_68K_USP_OFFSET); |
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95 } else { |
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96 context->aregs[8] = read_le_32(buffer + GST_68K_SSP_OFFSET); |
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97 } |
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98 |
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99 return pc; |
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100 } |
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101 |
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102 uint8_t m68k_save_gst(m68k_context * context, uint32_t pc, FILE * gstfile) |
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103 { |
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104 uint8_t buffer[GST_68K_REG_SIZE]; |
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105 uint8_t * curpos = buffer; |
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106 for (int i = 0; i < 8; i++) { |
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107 write_le_32(curpos, context->dregs[i]); |
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108 curpos += sizeof(uint32_t); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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109 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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parents:
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|
110 for (int i = 0; i < 8; i++) { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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111 write_le_32(curpos, context->aregs[i]); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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parents:
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changeset
|
112 curpos += sizeof(uint32_t); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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parents:
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|
113 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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parents:
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114 write_le_32(buffer + GST_68K_PC_OFFSET, pc); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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115 uint16_t sr = context->status << 3; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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116 for (int flag = 4; flag >= 0; flag--) { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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117 sr <<= 1; |
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118 sr |= context->flags[flag]; |
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Added support for saving savestates. Added gst savestate format test harness
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119 } |
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Added support for saving savestates. Added gst savestate format test harness
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parents:
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120 write_le_16(buffer + GST_68K_SR_OFFSET, sr); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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121 if (context->status & (1 << 5)) { |
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Added support for saving savestates. Added gst savestate format test harness
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changeset
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122 write_le_32(buffer + GST_68K_USP_OFFSET, context->aregs[8]); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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parents:
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changeset
|
123 write_le_32(buffer + GST_68K_SSP_OFFSET, context->aregs[7]); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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124 } else { |
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Added support for saving savestates. Added gst savestate format test harness
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|
125 write_le_32(buffer + GST_68K_USP_OFFSET, context->aregs[7]); |
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|
126 write_le_32(buffer + GST_68K_SSP_OFFSET, context->aregs[8]); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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|
127 } |
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Added support for saving savestates. Added gst savestate format test harness
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128 fseek(gstfile, GST_68K_REGS, SEEK_SET); |
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129 if (fwrite(buffer, 1, GST_68K_REG_SIZE, gstfile) != GST_68K_REG_SIZE) { |
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130 fputs("Failed to write 68K registers to savestate\n", stderr); |
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Added support for saving savestates. Added gst savestate format test harness
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131 return 0; |
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132 } |
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133 |
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134 return 1; |
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Added support for saving savestates. Added gst savestate format test harness
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|
135 } |
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Added support for saving savestates. Added gst savestate format test harness
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136 |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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137 uint8_t z80_load_gst(z80_context * context, FILE * gstfile) |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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138 { |
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139 uint8_t regdata[GST_Z80_REG_SIZE]; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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140 fseek(gstfile, GST_Z80_REGS, SEEK_SET); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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141 if (fread(regdata, 1, sizeof(regdata), gstfile) != sizeof(regdata)) { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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142 fputs("Failed to read Z80 registers from savestate\n", stderr); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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143 return 0; |
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Added support for saving savestates. Added gst savestate format test harness
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144 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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|
145 uint8_t * curpos = regdata; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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|
146 uint8_t f = *(curpos++); |
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Added support for saving savestates. Added gst savestate format test harness
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147 context->flags[ZF_C] = f & 1; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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148 f >>= 1; |
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Added support for saving savestates. Added gst savestate format test harness
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149 context->flags[ZF_N] = f & 1; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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|
150 f >>= 1; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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|
151 context->flags[ZF_PV] = f & 1; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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|
152 f >>= 2; |
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Added support for saving savestates. Added gst savestate format test harness
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153 context->flags[ZF_H] = f & 1; |
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Added support for saving savestates. Added gst savestate format test harness
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|
154 f >>= 2; |
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Added support for saving savestates. Added gst savestate format test harness
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|
155 context->flags[ZF_Z] = f & 1; |
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Added support for saving savestates. Added gst savestate format test harness
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|
156 f >>= 1; |
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Added support for saving savestates. Added gst savestate format test harness
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157 context->flags[ZF_S] = f; |
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|
158 |
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|
159 context->regs[Z80_A] = *curpos; |
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Added support for saving savestates. Added gst savestate format test harness
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160 curpos += 3; |
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161 for (int reg = Z80_C; reg <= Z80_IYH; reg++) { |
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162 context->regs[reg++] = *(curpos++); |
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163 context->regs[reg] = *curpos; |
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|
164 curpos += 3; |
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Added support for saving savestates. Added gst savestate format test harness
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|
165 } |
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166 context->pc = read_le_16(curpos); |
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Added support for saving savestates. Added gst savestate format test harness
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|
167 curpos += 4; |
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Added support for saving savestates. Added gst savestate format test harness
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|
168 context->sp = read_le_16(curpos); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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|
169 curpos += 4; |
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|
170 f = *(curpos++); |
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171 context->alt_flags[ZF_C] = f & 1; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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|
172 f >>= 1; |
b7c3b2d22858
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|
173 context->alt_flags[ZF_N] = f & 1; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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|
174 f >>= 1; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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|
175 context->alt_flags[ZF_PV] = f & 1; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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changeset
|
176 f >>= 2; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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|
177 context->alt_flags[ZF_H] = f & 1; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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|
178 f >>= 2; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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changeset
|
179 context->alt_flags[ZF_Z] = f & 1; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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changeset
|
180 f >>= 1; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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|
181 context->alt_flags[ZF_S] = f; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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|
182 context->alt_regs[Z80_A] = *curpos; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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|
183 curpos += 3; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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|
184 for (int reg = Z80_C; reg <= Z80_H; reg++) { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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|
185 context->alt_regs[reg++] = *(curpos++); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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|
186 context->alt_regs[reg] = *curpos; |
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Added support for saving savestates. Added gst savestate format test harness
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|
187 curpos += 3; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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|
188 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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changeset
|
189 context->regs[Z80_I] = *curpos; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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|
190 curpos += 2; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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|
191 context->iff1 = context->iff2 = *curpos; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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changeset
|
192 curpos += 2; |
668
5439ae7946ca
Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
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467
diff
changeset
|
193 context->reset = !*(curpos++); |
5439ae7946ca
Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
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parents:
467
diff
changeset
|
194 context->busreq = *curpos; |
451
b7c3b2d22858
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|
195 curpos += 3; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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|
196 uint32_t bank = read_le_32(curpos); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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changeset
|
197 if (bank < 0x400000) { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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changeset
|
198 context->mem_pointers[1] = context->mem_pointers[2] + bank; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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|
199 } else { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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|
200 context->mem_pointers[1] = NULL; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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|
201 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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diff
changeset
|
202 context->bank_reg = bank >> 15; |
962
f52cb02a1466
Fixed loading save states from menu
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961
diff
changeset
|
203 uint8_t buffer[Z80_RAM_BYTES]; |
451
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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changeset
|
204 fseek(gstfile, GST_Z80_RAM, SEEK_SET); |
962
f52cb02a1466
Fixed loading save states from menu
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|
205 if(fread(buffer, 1, sizeof(buffer), gstfile) != (8*1024)) { |
451
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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diff
changeset
|
206 fputs("Failed to read Z80 RAM from savestate\n", stderr); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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|
207 return 0; |
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Added support for saving savestates. Added gst savestate format test harness
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diff
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|
208 } |
962
f52cb02a1466
Fixed loading save states from menu
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parents:
961
diff
changeset
|
209 for (int i = 0; i < Z80_RAM_BYTES; i++) |
f52cb02a1466
Fixed loading save states from menu
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|
210 { |
f52cb02a1466
Fixed loading save states from menu
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parents:
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diff
changeset
|
211 if (context->mem_pointers[0][i] != buffer[i]) { |
f52cb02a1466
Fixed loading save states from menu
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diff
changeset
|
212 context->mem_pointers[0][i] = buffer[i]; |
f52cb02a1466
Fixed loading save states from menu
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|
213 z80_handle_code_write(i, context); |
f52cb02a1466
Fixed loading save states from menu
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|
214 } |
f52cb02a1466
Fixed loading save states from menu
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961
diff
changeset
|
215 } |
1019
e34334e6c682
Fix GST savestate loading to deal with SAT cache to fix sprite corruption on savestate load. Clear out Z80 native_pc so the Z80 state does not get hosed when loading a savestate while the emulator is already running
Michael Pavone <pavone@retrodev.com>
parents:
962
diff
changeset
|
216 context->native_pc = NULL; |
1112
7ab7c8fb34ba
Fix intermittent crash in GST savestate loading
Michael Pavone <pavone@retrodev.com>
parents:
1111
diff
changeset
|
217 context->extra_pc = NULL; |
451
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
218 return 1; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
219 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
220 |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
221 uint8_t vdp_load_gst(vdp_context * context, FILE * state_file) |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
222 { |
1019
e34334e6c682
Fix GST savestate loading to deal with SAT cache to fix sprite corruption on savestate load. Clear out Z80 native_pc so the Z80 state does not get hosed when loading a savestate while the emulator is already running
Michael Pavone <pavone@retrodev.com>
parents:
962
diff
changeset
|
223 uint8_t tmp_buf[VRAM_SIZE]; |
451
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
224 fseek(state_file, GST_VDP_REGS, SEEK_SET); |
1181
0928b68fef2a
Update gst loader to deal with VDP changes
Michael Pavone <pavone@retrodev.com>
parents:
1120
diff
changeset
|
225 if (fread(tmp_buf, 1, VDP_REGS, state_file) != VDP_REGS) { |
451
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
226 fputs("Failed to read VDP registers from savestate\n", stderr); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
227 return 0; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
228 } |
1181
0928b68fef2a
Update gst loader to deal with VDP changes
Michael Pavone <pavone@retrodev.com>
parents:
1120
diff
changeset
|
229 for (uint16_t i = 0; i < VDP_REGS; i++) |
0928b68fef2a
Update gst loader to deal with VDP changes
Michael Pavone <pavone@retrodev.com>
parents:
1120
diff
changeset
|
230 { |
0928b68fef2a
Update gst loader to deal with VDP changes
Michael Pavone <pavone@retrodev.com>
parents:
1120
diff
changeset
|
231 vdp_control_port_write(context, 0x8000 | (i << 8) | tmp_buf[i]); |
0928b68fef2a
Update gst loader to deal with VDP changes
Michael Pavone <pavone@retrodev.com>
parents:
1120
diff
changeset
|
232 } |
1019
e34334e6c682
Fix GST savestate loading to deal with SAT cache to fix sprite corruption on savestate load. Clear out Z80 native_pc so the Z80 state does not get hosed when loading a savestate while the emulator is already running
Michael Pavone <pavone@retrodev.com>
parents:
962
diff
changeset
|
233 if (fread(tmp_buf, 1, CRAM_SIZE*2, state_file) != CRAM_SIZE*2) { |
451
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
234 fputs("Failed to read CRAM from savestate\n", stderr); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
235 return 0; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
236 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
237 for (int i = 0; i < CRAM_SIZE; i++) { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
238 uint16_t value; |
1181
0928b68fef2a
Update gst loader to deal with VDP changes
Michael Pavone <pavone@retrodev.com>
parents:
1120
diff
changeset
|
239 write_cram(context, i*2, (tmp_buf[i*2+1] << 8) | tmp_buf[i*2]); |
451
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
240 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
241 if (fread(tmp_buf, 2, VSRAM_SIZE, state_file) != VSRAM_SIZE) { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
242 fputs("Failed to read VSRAM from savestate\n", stderr); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
243 return 0; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
244 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
245 for (int i = 0; i < VSRAM_SIZE; i++) { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
246 context->vsram[i] = (tmp_buf[i*2+1] << 8) | tmp_buf[i*2]; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
247 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
248 fseek(state_file, GST_VDP_MEM, SEEK_SET); |
1019
e34334e6c682
Fix GST savestate loading to deal with SAT cache to fix sprite corruption on savestate load. Clear out Z80 native_pc so the Z80 state does not get hosed when loading a savestate while the emulator is already running
Michael Pavone <pavone@retrodev.com>
parents:
962
diff
changeset
|
249 if (fread(tmp_buf, 1, VRAM_SIZE, state_file) != VRAM_SIZE) { |
451
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
250 fputs("Failed to read VRAM from savestate\n", stderr); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
251 return 0; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
252 } |
1019
e34334e6c682
Fix GST savestate loading to deal with SAT cache to fix sprite corruption on savestate load. Clear out Z80 native_pc so the Z80 state does not get hosed when loading a savestate while the emulator is already running
Michael Pavone <pavone@retrodev.com>
parents:
962
diff
changeset
|
253 for (int i = 0; i < VRAM_SIZE; i++) { |
1333
69c25e1188e5
Small tweak to how SAT cache updates are done. Mostly fixes the rotating cube scene in Overdrive 2
Michael Pavone <pavone@retrodev.com>
parents:
1325
diff
changeset
|
254 context->vdpmem[i] = tmp_buf[i]; |
69c25e1188e5
Small tweak to how SAT cache updates are done. Mostly fixes the rotating cube scene in Overdrive 2
Michael Pavone <pavone@retrodev.com>
parents:
1325
diff
changeset
|
255 vdp_check_update_sat_byte(context, i, tmp_buf[i]); |
1019
e34334e6c682
Fix GST savestate loading to deal with SAT cache to fix sprite corruption on savestate load. Clear out Z80 native_pc so the Z80 state does not get hosed when loading a savestate while the emulator is already running
Michael Pavone <pavone@retrodev.com>
parents:
962
diff
changeset
|
256 } |
451
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
257 return 1; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
258 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
259 |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
260 uint8_t vdp_save_gst(vdp_context * context, FILE * outfile) |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
261 { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
262 uint8_t tmp_buf[CRAM_SIZE*2]; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
263 fseek(outfile, GST_VDP_REGS, SEEK_SET); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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parents:
diff
changeset
|
264 if(fwrite(context->regs, 1, VDP_REGS, outfile) != VDP_REGS) { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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parents:
diff
changeset
|
265 fputs("Error writing VDP regs to savestate\n", stderr); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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parents:
diff
changeset
|
266 return 0; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
267 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
268 for (int i = 0; i < CRAM_SIZE; i++) |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
269 { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
270 tmp_buf[i*2] = context->cram[i]; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
271 tmp_buf[i*2+1] = context->cram[i] >> 8; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
272 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
273 if (fwrite(tmp_buf, 1, sizeof(tmp_buf), outfile) != sizeof(tmp_buf)) { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
274 fputs("Error writing CRAM to savestate\n", stderr); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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parents:
diff
changeset
|
275 return 0; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
276 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
277 for (int i = 0; i < VSRAM_SIZE; i++) |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
278 { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
279 tmp_buf[i*2] = context->vsram[i]; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
280 tmp_buf[i*2+1] = context->vsram[i] >> 8; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
281 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
282 if (fwrite(tmp_buf, 2, VSRAM_SIZE, outfile) != VSRAM_SIZE) { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
283 fputs("Error writing VSRAM to savestate\n", stderr); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
284 return 0; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
285 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
286 fseek(outfile, GST_VDP_MEM, SEEK_SET); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
287 if (fwrite(context->vdpmem, 1, VRAM_SIZE, outfile) != VRAM_SIZE) { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
288 fputs("Error writing VRAM to savestate\n", stderr); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
289 return 0; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
290 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
291 return 1; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
292 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
293 |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
294 uint8_t z80_save_gst(z80_context * context, FILE * gstfile) |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
295 { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
296 uint8_t regdata[GST_Z80_REG_SIZE]; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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diff
changeset
|
297 uint8_t * curpos = regdata; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
298 memset(regdata, 0, sizeof(regdata)); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
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parents:
diff
changeset
|
299 uint8_t f = context->flags[ZF_S]; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
300 f <<= 1; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
301 f |= context->flags[ZF_Z] ; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
302 f <<= 2; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
303 f |= context->flags[ZF_H]; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
304 f <<= 2; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
305 f |= context->flags[ZF_PV]; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
306 f <<= 1; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
307 f |= context->flags[ZF_N]; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
308 f <<= 1; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
309 f |= context->flags[ZF_C]; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
310 *(curpos++) = f; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
311 *curpos = context->regs[Z80_A]; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
312 |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
313 curpos += 3; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
314 for (int reg = Z80_C; reg <= Z80_IYH; reg++) { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
315 *(curpos++) = context->regs[reg++]; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
316 *curpos = context->regs[reg]; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
317 curpos += 3; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
318 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
319 write_le_16(curpos, context->pc); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
320 curpos += 4; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
321 write_le_16(curpos, context->sp); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
322 curpos += 4; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
323 f = context->alt_flags[ZF_S]; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
324 f <<= 1; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
325 f |= context->alt_flags[ZF_Z] ; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
326 f <<= 2; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
327 f |= context->alt_flags[ZF_H]; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
328 f <<= 2; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
329 f |= context->alt_flags[ZF_PV]; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
330 f <<= 1; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
331 f |= context->alt_flags[ZF_N]; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
332 f <<= 1; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
333 f |= context->alt_flags[ZF_C]; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
334 *(curpos++) = f; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
335 *curpos = context->alt_regs[Z80_A]; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
336 curpos += 3; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
337 for (int reg = Z80_C; reg <= Z80_H; reg++) { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
338 *(curpos++) = context->alt_regs[reg++]; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
339 *curpos = context->alt_regs[reg]; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
340 curpos += 3; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
341 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
342 *curpos = context->regs[Z80_I]; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
343 curpos += 2; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
344 *curpos = context->iff1; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
345 curpos += 2; |
668
5439ae7946ca
Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents:
467
diff
changeset
|
346 *(curpos++) = !context->reset; |
5439ae7946ca
Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents:
467
diff
changeset
|
347 *curpos = context->busreq; |
451
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
348 curpos += 3; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
349 uint32_t bank = context->bank_reg << 15; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
350 write_le_32(curpos, bank); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
351 fseek(gstfile, GST_Z80_REGS, SEEK_SET); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
352 if (fwrite(regdata, 1, sizeof(regdata), gstfile) != sizeof(regdata)) { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
353 return 0; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
354 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
355 fseek(gstfile, GST_Z80_RAM, SEEK_SET); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
356 if(fwrite(context->mem_pointers[0], 1, 8*1024, gstfile) != (8*1024)) { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
357 fputs("Failed to write Z80 RAM to savestate\n", stderr); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
358 return 0; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
359 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
360 return 1; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
361 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
362 |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
363 uint8_t ym_load_gst(ym2612_context * context, FILE * gstfile) |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
364 { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
365 uint8_t regdata[GST_YM_SIZE]; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
366 fseek(gstfile, GST_YM_OFFSET, SEEK_SET); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
367 if (fread(regdata, 1, sizeof(regdata), gstfile) != sizeof(regdata)) { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
368 return 0; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
369 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
370 for (int i = 0; i < sizeof(regdata); i++) { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
371 if (i & 0x100) { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
372 ym_address_write_part2(context, i & 0xFF); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
373 } else { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
374 ym_address_write_part1(context, i); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
375 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
376 ym_data_write(context, regdata[i]); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
377 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
378 return 1; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
379 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
380 |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
381 uint8_t ym_save_gst(ym2612_context * context, FILE * gstfile) |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
382 { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
383 uint8_t regdata[GST_YM_SIZE]; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
384 for (int i = 0; i < sizeof(regdata); i++) { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
385 if (i & 0x100) { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
386 int reg = (i & 0xFF); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
387 if (reg >= YM_PART2_START && reg < YM_REG_END) { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
388 regdata[i] = context->part2_regs[reg-YM_PART2_START]; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
389 } else { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
390 regdata[i] = 0xFF; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
391 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
392 } else { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
393 if (i >= YM_PART1_START && i < YM_REG_END) { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
394 regdata[i] = context->part1_regs[i-YM_PART1_START]; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
395 } else { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
396 regdata[i] = 0xFF; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
397 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
398 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
399 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
400 fseek(gstfile, GST_YM_OFFSET, SEEK_SET); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
401 if (fwrite(regdata, 1, sizeof(regdata), gstfile) != sizeof(regdata)) { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
402 return 0; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
403 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
404 return 1; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
405 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
406 |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
407 uint32_t load_gst(genesis_context * gen, char * fname) |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
408 { |
962
f52cb02a1466
Fixed loading save states from menu
Michael Pavone <pavone@retrodev.com>
parents:
961
diff
changeset
|
409 char buffer[4096]; |
451
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
410 FILE * gstfile = fopen(fname, "rb"); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
411 if (!gstfile) { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
412 fprintf(stderr, "Could not open file %s for reading\n", fname); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
413 goto error; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
414 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
415 char ident[5]; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
416 if (fread(ident, 1, sizeof(ident), gstfile) != sizeof(ident)) { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
417 fprintf(stderr, "Could not read ident code from %s\n", fname); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
418 goto error_close; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
419 } |
708
61faa298af07
Small horizontal interrupt fixes
Michael Pavone <pavone@retrodev.com>
parents:
668
diff
changeset
|
420 if (memcmp(ident, "GST\x40\xE0", 3) != 0) { |
451
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
421 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\\x40\\xE0.\n", fname, ident[0], ident[1], ident[2], ident[3], ident[4]); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
422 goto error_close; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
423 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
424 uint32_t pc = m68k_load_gst(gen->m68k, gstfile); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
425 if (!pc) { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
426 goto error_close; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
427 } |
962
f52cb02a1466
Fixed loading save states from menu
Michael Pavone <pavone@retrodev.com>
parents:
961
diff
changeset
|
428 |
451
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
429 if (!vdp_load_gst(gen->vdp, gstfile)) { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
430 goto error_close; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
431 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
432 if (!ym_load_gst(gen->ym, gstfile)) { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
433 goto error_close; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
434 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
435 if (!z80_load_gst(gen->z80, gstfile)) { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
436 goto error_close; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
437 } |
1111
2eb54e24914e
Mostly working changes to allow support for multiple emulated system types in main blastem program
Michael Pavone <pavone@retrodev.com>
parents:
1103
diff
changeset
|
438 gen->io.ports[0].control = 0x40; |
2eb54e24914e
Mostly working changes to allow support for multiple emulated system types in main blastem program
Michael Pavone <pavone@retrodev.com>
parents:
1103
diff
changeset
|
439 gen->io.ports[1].control = 0x40; |
962
f52cb02a1466
Fixed loading save states from menu
Michael Pavone <pavone@retrodev.com>
parents:
961
diff
changeset
|
440 |
f52cb02a1466
Fixed loading save states from menu
Michael Pavone <pavone@retrodev.com>
parents:
961
diff
changeset
|
441 fseek(gstfile, GST_68K_RAM, SEEK_SET); |
f52cb02a1466
Fixed loading save states from menu
Michael Pavone <pavone@retrodev.com>
parents:
961
diff
changeset
|
442 for (int i = 0; i < (32*1024);) { |
f52cb02a1466
Fixed loading save states from menu
Michael Pavone <pavone@retrodev.com>
parents:
961
diff
changeset
|
443 if (fread(buffer, 1, sizeof(buffer), gstfile) != sizeof(buffer)) { |
f52cb02a1466
Fixed loading save states from menu
Michael Pavone <pavone@retrodev.com>
parents:
961
diff
changeset
|
444 fputs("Failed to read 68K RAM from savestate\n", stderr); |
f52cb02a1466
Fixed loading save states from menu
Michael Pavone <pavone@retrodev.com>
parents:
961
diff
changeset
|
445 return 0; |
f52cb02a1466
Fixed loading save states from menu
Michael Pavone <pavone@retrodev.com>
parents:
961
diff
changeset
|
446 } |
f52cb02a1466
Fixed loading save states from menu
Michael Pavone <pavone@retrodev.com>
parents:
961
diff
changeset
|
447 for(char *curpos = buffer; curpos < (buffer + sizeof(buffer)); curpos += sizeof(uint16_t)) { |
f52cb02a1466
Fixed loading save states from menu
Michael Pavone <pavone@retrodev.com>
parents:
961
diff
changeset
|
448 uint16_t word = read_be_16(curpos); |
f52cb02a1466
Fixed loading save states from menu
Michael Pavone <pavone@retrodev.com>
parents:
961
diff
changeset
|
449 if (word != gen->work_ram[i]) { |
f52cb02a1466
Fixed loading save states from menu
Michael Pavone <pavone@retrodev.com>
parents:
961
diff
changeset
|
450 gen->work_ram[i] = word; |
f52cb02a1466
Fixed loading save states from menu
Michael Pavone <pavone@retrodev.com>
parents:
961
diff
changeset
|
451 m68k_handle_code_write(0xFF0000 | (i << 1), gen->m68k); |
f52cb02a1466
Fixed loading save states from menu
Michael Pavone <pavone@retrodev.com>
parents:
961
diff
changeset
|
452 } |
f52cb02a1466
Fixed loading save states from menu
Michael Pavone <pavone@retrodev.com>
parents:
961
diff
changeset
|
453 i++; |
f52cb02a1466
Fixed loading save states from menu
Michael Pavone <pavone@retrodev.com>
parents:
961
diff
changeset
|
454 } |
f52cb02a1466
Fixed loading save states from menu
Michael Pavone <pavone@retrodev.com>
parents:
961
diff
changeset
|
455 } |
451
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
456 fclose(gstfile); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
457 return pc; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
458 |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
459 error_close: |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
460 fclose(gstfile); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
461 error: |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
462 return 0; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
463 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
464 |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
465 uint8_t save_gst(genesis_context * gen, char *fname, uint32_t m68k_pc) |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
466 { |
962
f52cb02a1466
Fixed loading save states from menu
Michael Pavone <pavone@retrodev.com>
parents:
961
diff
changeset
|
467 char buffer[4096]; |
451
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
468 FILE * gstfile = fopen(fname, "wb"); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
469 if (!gstfile) { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
470 fprintf(stderr, "Could not open %s for writing\n", fname); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
471 goto error; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
472 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
473 if (fwrite("GST\x40\xE0", 1, 5, gstfile) != 5) { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
474 fputs("Error writing signature to savestate\n", stderr); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
475 goto error_close; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
476 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
477 if (!m68k_save_gst(gen->m68k, m68k_pc, gstfile)) { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
478 goto error_close; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
479 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
480 if (!z80_save_gst(gen->z80, gstfile)) { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
481 goto error_close; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
482 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
483 if (!vdp_save_gst(gen->vdp, gstfile)) { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
484 goto error_close; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
485 } |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
486 if (!ym_save_gst(gen->ym, gstfile)) { |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
487 goto error_close; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
488 } |
962
f52cb02a1466
Fixed loading save states from menu
Michael Pavone <pavone@retrodev.com>
parents:
961
diff
changeset
|
489 fseek(gstfile, GST_68K_RAM, SEEK_SET); |
f52cb02a1466
Fixed loading save states from menu
Michael Pavone <pavone@retrodev.com>
parents:
961
diff
changeset
|
490 for (int i = 0; i < (32*1024);) { |
f52cb02a1466
Fixed loading save states from menu
Michael Pavone <pavone@retrodev.com>
parents:
961
diff
changeset
|
491 for(char *curpos = buffer; curpos < (buffer + sizeof(buffer)); curpos += sizeof(uint16_t)) { |
f52cb02a1466
Fixed loading save states from menu
Michael Pavone <pavone@retrodev.com>
parents:
961
diff
changeset
|
492 write_be_16(curpos, gen->work_ram[i++]); |
f52cb02a1466
Fixed loading save states from menu
Michael Pavone <pavone@retrodev.com>
parents:
961
diff
changeset
|
493 } |
f52cb02a1466
Fixed loading save states from menu
Michael Pavone <pavone@retrodev.com>
parents:
961
diff
changeset
|
494 if (fwrite(buffer, 1, sizeof(buffer), gstfile) != sizeof(buffer)) { |
f52cb02a1466
Fixed loading save states from menu
Michael Pavone <pavone@retrodev.com>
parents:
961
diff
changeset
|
495 fputs("Failed to write 68K RAM to savestate\n", stderr); |
f52cb02a1466
Fixed loading save states from menu
Michael Pavone <pavone@retrodev.com>
parents:
961
diff
changeset
|
496 return 0; |
f52cb02a1466
Fixed loading save states from menu
Michael Pavone <pavone@retrodev.com>
parents:
961
diff
changeset
|
497 } |
f52cb02a1466
Fixed loading save states from menu
Michael Pavone <pavone@retrodev.com>
parents:
961
diff
changeset
|
498 } |
451
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
499 return 1; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
500 |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
501 error_close: |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
502 fclose(gstfile); |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
503 error: |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
504 return 0; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
505 } |