Mercurial > repos > blastem
annotate z80inst.h @ 2195:40290a923886
Implement Game Gear start button and region register
author | Michael Pavone <pavone@retrodev.com> |
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date | Sun, 21 Aug 2022 22:56:32 -0700 |
parents | 1625555e346e |
children | b6c5a0fa3dfc |
rev | line source |
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467
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1 /* |
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2 Copyright 2013 Michael Pavone |
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3 This file is part of BlastEm. |
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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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6 #ifndef Z80INST_H_ |
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7 #define Z80INST_H_ |
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8 |
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9 #include <stdint.h> |
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10 |
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11 enum { |
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12 Z80_LD, |
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13 Z80_PUSH, |
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14 Z80_POP, |
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15 Z80_EX, |
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16 Z80_EXX, |
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17 Z80_LDI, |
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18 Z80_LDIR, |
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19 Z80_LDD, |
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20 Z80_LDDR, |
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21 Z80_CPI, |
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22 Z80_CPIR, |
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23 Z80_CPD, |
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24 Z80_CPDR, |
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25 Z80_ADD, |
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26 Z80_ADC, |
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27 Z80_SUB, |
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28 Z80_SBC, |
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29 Z80_AND, |
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30 Z80_OR, |
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31 Z80_XOR, |
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32 Z80_CP, |
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33 Z80_INC, |
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34 Z80_DEC, |
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35 Z80_DAA, |
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36 Z80_CPL, |
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37 Z80_NEG, |
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38 Z80_CCF, |
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39 Z80_SCF, |
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40 Z80_NOP, |
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41 Z80_HALT, |
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42 Z80_DI, |
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43 Z80_EI, |
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44 Z80_IM, |
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45 Z80_RLC, |
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46 Z80_RL, |
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47 Z80_RRC, |
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48 Z80_RR, |
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49 Z80_SLA, |
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50 Z80_SRA, |
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51 Z80_SLL, |
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52 Z80_SRL, |
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53 Z80_RLD, |
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54 Z80_RRD, |
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55 Z80_BIT, |
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56 Z80_SET, |
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57 Z80_RES, |
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58 Z80_JP, |
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59 Z80_JPCC, |
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60 Z80_JR, |
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61 Z80_JRCC, |
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62 Z80_DJNZ, |
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63 Z80_CALL, |
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64 Z80_CALLCC, |
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65 Z80_RET, |
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66 Z80_RETCC, |
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67 Z80_RETI, |
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68 Z80_RETN, |
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69 Z80_RST, |
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70 Z80_IN, |
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71 Z80_INI, |
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72 Z80_INIR, |
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73 Z80_IND, |
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74 Z80_INDR, |
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75 Z80_OUT, |
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76 Z80_OUTI, |
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77 Z80_OTIR, |
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78 Z80_OUTD, |
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79 Z80_OTDR, |
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80 Z80_USE_MAIN |
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81 }; |
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82 |
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83 enum { |
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84 Z80_C=0, |
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85 Z80_B, |
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86 Z80_E, |
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87 Z80_D, |
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88 Z80_L, |
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89 Z80_H, |
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90 Z80_IXL, |
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91 Z80_IXH, |
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92 Z80_IYL, |
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93 Z80_IYH, |
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94 Z80_I, |
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95 Z80_R, |
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96 Z80_A, |
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97 Z80_BC, |
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98 Z80_DE, |
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99 Z80_HL, |
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100 Z80_SP, |
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101 Z80_AF, |
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102 Z80_IX, |
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103 Z80_IY, |
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104 Z80_UNUSED |
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105 }; |
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106 |
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107 #define Z80_IMMED_FLAG 0x80 |
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108 #define Z80_USE_IMMED (Z80_IMMED_FLAG|Z80_UNUSED) |
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109 |
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110 enum { |
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111 Z80_CC_NZ, |
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112 Z80_CC_Z, |
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113 Z80_CC_NC, |
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114 Z80_CC_C, |
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115 Z80_CC_PO, |
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116 Z80_CC_PE, |
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117 Z80_CC_P, |
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118 Z80_CC_M |
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119 }; |
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120 |
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121 enum { |
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122 Z80_REG, |
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123 Z80_REG_INDIRECT, |
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124 Z80_IMMED, |
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125 Z80_IMMED_INDIRECT, |
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126 Z80_IX_DISPLACE, |
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127 Z80_IY_DISPLACE |
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128 }; |
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129 #define Z80_DIR 0x80 |
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130 |
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131 typedef struct { |
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132 uint8_t op; |
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133 uint8_t reg; |
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134 uint8_t addr_mode; |
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135 uint8_t ea_reg; |
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136 uint16_t immed; |
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137 uint16_t opcode_bytes; |
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138 } z80inst; |
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139 |
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140 uint8_t * z80_decode(uint8_t * istream, z80inst * decoded); |
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141 int z80_disasm(z80inst * decoded, char * dst, uint16_t address); |
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142 uint8_t z80_high_reg(uint8_t reg); |
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143 uint8_t z80_low_reg(uint8_t reg); |
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144 uint8_t z80_word_reg(uint8_t reg); |
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145 uint8_t z80_is_terminal(z80inst * inst); |
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146 |
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147 #endif //Z80INST_H_ |
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148 |