opcodes.h (18367B)
1 #include <stdbool.h> 2 #include <stdint.h> 3 4 #include "cpu.h" 5 6 enum addressing_mode { 7 AM_NONE, 8 AM_ACC, 9 AM_IMM, 10 AM_REL, 11 AM_ZP, 12 AM_ZP_X, 13 AM_ZP_Y, 14 AM_ABS, 15 AM_ABS_X, 16 AM_ABS_Y, 17 AM_IND, 18 AM_IND_X, 19 AM_IND_Y, 20 }; 21 22 /* index of below array is the code of the instruction */ 23 struct opcode { 24 const char name[4]; 25 /* I know 16bit seems wasteful, but some ops use 16bit memory as arg */ 26 void (*instr)(uint16_t arg); 27 uint8_t bytes; 28 uint8_t cycles; 29 bool memread; 30 bool memwrite; 31 bool page_cross; 32 bool unofficial; 33 enum addressing_mode mode; 34 }; 35 36 struct opcode opcodes[0x100] = { 37 /* official opcodes: https://www.nesdev.org/obelisk-6502-guide/instructions.html */ 38 [0x69] = { "ADC", ADC, 2, 2, false, false, false, false, AM_IMM }, 39 [0x65] = { "ADC", ADC, 2, 3, true, false, false, false, AM_ZP }, 40 [0x75] = { "ADC", ADC, 2, 4, true, false, false, false, AM_ZP_X }, 41 [0x6D] = { "ADC", ADC, 3, 4, true, false, false, false, AM_ABS }, 42 [0x7D] = { "ADC", ADC, 3, 4, true, false, true, false, AM_ABS_X }, 43 [0x79] = { "ADC", ADC, 3, 4, true, false, true, false, AM_ABS_Y }, 44 [0x61] = { "ADC", ADC, 2, 6, true, false, false, false, AM_IND_X }, 45 [0x71] = { "ADC", ADC, 2, 5, true, false, true, false, AM_IND_Y }, 46 [0x29] = { "AND", AND, 2, 2, false, false, false, false, AM_IMM }, 47 [0x25] = { "AND", AND, 2, 3, true, false, false, false, AM_ZP }, 48 [0x35] = { "AND", AND, 2, 4, true, false, false, false, AM_ZP_X }, 49 [0x2D] = { "AND", AND, 3, 4, true, false, false, false, AM_ABS }, 50 [0x3D] = { "AND", AND, 3, 4, true, false, true, false, AM_ABS_X }, 51 [0x39] = { "AND", AND, 3, 4, true, false, true, false, AM_ABS_Y }, 52 [0x21] = { "AND", AND, 2, 6, true, false, false, false, AM_IND_X }, 53 [0x31] = { "AND", AND, 2, 5, true, false, true, false, AM_IND_Y }, 54 [0x0A] = { "ASL", ASL_acc, 1, 2, false, false, false, false, AM_ACC }, 55 [0x06] = { "ASL", ASL, 2, 5, false, true, false, false, AM_ZP }, 56 [0x16] = { "ASL", ASL, 2, 6, false, true, false, false, AM_ZP_X }, 57 [0x0E] = { "ASL", ASL, 3, 6, false, true, false, false, AM_ABS }, 58 [0x1E] = { "ASL", ASL, 3, 7, false, true, false, false, AM_ABS_X }, 59 [0x90] = { "BCC", BCC, 2, 2, false, false, true, false, AM_REL }, 60 [0xB0] = { "BCS", BCS, 2, 2, false, false, true, false, AM_REL }, 61 [0xF0] = { "BEQ", BEQ, 2, 2, false, false, true, false, AM_REL }, 62 [0x24] = { "BIT", BIT, 2, 3, true, false, false, false, AM_ZP }, 63 [0x2C] = { "BIT", BIT, 3, 4, true, false, false, false, AM_ABS }, 64 [0x30] = { "BMI", BMI, 2, 2, false, false, true, false, AM_REL }, 65 [0xD0] = { "BNE", BNE, 2, 2, false, false, true, false, AM_REL }, 66 [0x10] = { "BPL", BPL, 2, 2, false, false, true, false, AM_REL }, 67 [0x00] = { "BRK", BRK, 1, 7, false, false, false, false, AM_NONE }, 68 [0x50] = { "BVC", BVC, 2, 2, false, false, true, false, AM_REL }, 69 [0x70] = { "BVS", BVS, 2, 2, false, false, true, false, AM_REL }, 70 [0x18] = { "CLC", CLC, 1, 2, false, false, false, false, AM_NONE }, 71 [0xD8] = { "CLD", CLD, 1, 2, false, false, false, false, AM_NONE }, 72 [0x58] = { "CLI", CLI, 1, 2, false, false, false, false, AM_NONE }, 73 [0xB8] = { "CLV", CLV, 1, 2, false, false, false, false, AM_NONE }, 74 [0xC9] = { "CMP", CMP, 2, 2, false, false, false, false, AM_IMM }, 75 [0xC5] = { "CMP", CMP, 2, 3, true, false, false, false, AM_ZP }, 76 [0xD5] = { "CMP", CMP, 2, 4, true, false, false, false, AM_ZP_X }, 77 [0xCD] = { "CMP", CMP, 3, 4, true, false, false, false, AM_ABS }, 78 [0xDD] = { "CMP", CMP, 3, 4, true, false, true, false, AM_ABS_X }, 79 [0xD9] = { "CMP", CMP, 3, 4, true, false, true, false, AM_ABS_Y }, 80 [0xC1] = { "CMP", CMP, 2, 6, true, false, false, false, AM_IND_X }, 81 [0xD1] = { "CMP", CMP, 2, 5, true, false, true, false, AM_IND_Y }, 82 [0xE0] = { "CPX", CPX, 2, 2, false, false, false, false, AM_IMM }, 83 [0xE4] = { "CPX", CPX, 2, 3, true, false, false, false, AM_ZP }, 84 [0xEC] = { "CPX", CPX, 3, 4, true, false, false, false, AM_ABS }, 85 [0xC0] = { "CPY", CPY, 2, 2, false, false, false, false, AM_IMM }, 86 [0xC4] = { "CPY", CPY, 2, 3, true, false, false, false, AM_ZP }, 87 [0xCC] = { "CPY", CPY, 3, 4, true, false, false, false, AM_ABS }, 88 [0xC6] = { "DEC", DEC, 2, 5, false, true, false, false, AM_ZP }, 89 [0xD6] = { "DEC", DEC, 2, 6, false, true, false, false, AM_ZP_X }, 90 [0xCE] = { "DEC", DEC, 3, 6, false, true, false, false, AM_ABS }, 91 [0xDE] = { "DEC", DEC, 3, 7, false, true, false, false, AM_ABS_X }, 92 [0xCA] = { "DEX", DEX, 1, 2, false, false, false, false, AM_NONE }, 93 [0x88] = { "DEY", DEY, 1, 2, false, false, false, false, AM_NONE }, 94 [0x49] = { "EOR", EOR, 2, 2, false, false, false, false, AM_IMM }, 95 [0x45] = { "EOR", EOR, 2, 3, true, false, false, false, AM_ZP }, 96 [0x55] = { "EOR", EOR, 2, 4, true, false, false, false, AM_ZP_X }, 97 [0x4D] = { "EOR", EOR, 3, 4, true, false, false, false, AM_ABS }, 98 [0x5D] = { "EOR", EOR, 3, 4, true, false, true, false, AM_ABS_X }, 99 [0x59] = { "EOR", EOR, 3, 4, true, false, true, false, AM_ABS_Y }, 100 [0x41] = { "EOR", EOR, 2, 6, true, false, false, false, AM_IND_X }, 101 [0x51] = { "EOR", EOR, 2, 5, true, false, true, false, AM_IND_Y }, 102 [0xE6] = { "INC", INC, 2, 5, false, true, false, false, AM_ZP }, 103 [0xF6] = { "INC", INC, 2, 6, false, true, false, false, AM_ZP_X }, 104 [0xEE] = { "INC", INC, 3, 6, false, true, false, false, AM_ABS }, 105 [0xFE] = { "INC", INC, 3, 7, false, true, false, false, AM_ABS_X }, 106 [0xE8] = { "INX", INX, 1, 2, false, false, false, false, AM_NONE }, 107 [0xC8] = { "INY", INY, 1, 2, false, false, false, false, AM_NONE }, 108 [0x4C] = { "JMP", JMP, 3, 3, false, false, false, false, AM_ABS }, 109 [0x6C] = { "JMP", JMP, 3, 5, false, false, false, false, AM_IND }, 110 [0x20] = { "JSR", JSR, 3, 6, false, false, false, false, AM_ABS }, 111 [0xA9] = { "LDA", LDA, 2, 2, false, false, false, false, AM_IMM }, 112 [0xA5] = { "LDA", LDA, 2, 3, true, false, false, false, AM_ZP }, 113 [0xB5] = { "LDA", LDA, 2, 4, true, false, false, false, AM_ZP_X }, 114 [0xAD] = { "LDA", LDA, 3, 4, true, false, false, false, AM_ABS }, 115 [0xBD] = { "LDA", LDA, 3, 4, true, false, true, false, AM_ABS_X }, 116 [0xB9] = { "LDA", LDA, 3, 4, true, false, true, false, AM_ABS_Y }, 117 [0xA1] = { "LDA", LDA, 2, 6, true, false, false, false, AM_IND_X }, 118 [0xB1] = { "LDA", LDA, 2, 5, true, false, true, false, AM_IND_Y }, 119 [0xA2] = { "LDX", LDX, 2, 2, false, false, false, false, AM_IMM }, 120 [0xA6] = { "LDX", LDX, 2, 3, true, false, false, false, AM_ZP }, 121 [0xB6] = { "LDX", LDX, 2, 4, true, false, false, false, AM_ZP_Y }, 122 [0xAE] = { "LDX", LDX, 3, 4, true, false, false, false, AM_ABS }, 123 [0xBE] = { "LDX", LDX, 3, 4, true, false, true, false, AM_ABS_Y }, 124 [0xA0] = { "LDY", LDY, 2, 2, false, false, false, false, AM_IMM }, 125 [0xA4] = { "LDY", LDY, 2, 3, true, false, false, false, AM_ZP }, 126 [0xB4] = { "LDY", LDY, 2, 4, true, false, false, false, AM_ZP_X }, 127 [0xAC] = { "LDY", LDY, 3, 4, true, false, false, false, AM_ABS }, 128 [0xBC] = { "LDY", LDY, 3, 4, true, false, true, false, AM_ABS_X }, 129 [0x4A] = { "LSR", LSR_acc, 1, 2, false, false, false, false, AM_ACC }, 130 [0x46] = { "LSR", LSR, 2, 5, false, true, false, false, AM_ZP }, 131 [0x56] = { "LSR", LSR, 2, 6, false, true, false, false, AM_ZP_X }, 132 [0x4E] = { "LSR", LSR, 3, 6, false, true, false, false, AM_ABS }, 133 [0x5E] = { "LSR", LSR, 3, 7, false, true, false, false, AM_ABS_X }, 134 [0xEA] = { "NOP", NOP, 1, 2, false, false, false, false, AM_NONE }, 135 [0x09] = { "ORA", ORA, 2, 2, false, false, false, false, AM_IMM }, 136 [0x05] = { "ORA", ORA, 2, 3, true, false, false, false, AM_ZP }, 137 [0x15] = { "ORA", ORA, 2, 4, true, false, false, false, AM_ZP_X }, 138 [0x0D] = { "ORA", ORA, 3, 4, true, false, false, false, AM_ABS }, 139 [0x1D] = { "ORA", ORA, 3, 4, true, false, true, false, AM_ABS_X }, 140 [0x19] = { "ORA", ORA, 3, 4, true, false, true, false, AM_ABS_Y }, 141 [0x01] = { "ORA", ORA, 2, 6, true, false, false, false, AM_IND_X }, 142 [0x11] = { "ORA", ORA, 2, 5, true, false, true, false, AM_IND_Y }, 143 [0x48] = { "PHA", PHA, 1, 3, false, false, false, false, AM_NONE }, 144 [0x08] = { "PHP", PHP, 1, 3, false, false, false, false, AM_NONE }, 145 [0x68] = { "PLA", PLA, 1, 4, false, false, false, false, AM_NONE }, 146 [0x28] = { "PLP", PLP, 1, 4, false, false, false, false, AM_NONE }, 147 [0x2A] = { "ROL", ROL_acc, 1, 2, false, false, false, false, AM_ACC }, 148 [0x26] = { "ROL", ROL, 2, 5, false, true, false, false, AM_ZP }, 149 [0x36] = { "ROL", ROL, 2, 6, false, true, false, false, AM_ZP_X }, 150 [0x2E] = { "ROL", ROL, 3, 6, false, true, false, false, AM_ABS }, 151 [0x3E] = { "ROL", ROL, 3, 7, false, true, false, false, AM_ABS_X }, 152 [0x6A] = { "ROR", ROR_acc, 1, 2, false, false, false, false, AM_ACC }, 153 [0x66] = { "ROR", ROR, 2, 5, false, true, false, false, AM_ZP }, 154 [0x76] = { "ROR", ROR, 2, 6, false, true, false, false, AM_ZP_X }, 155 [0x6E] = { "ROR", ROR, 3, 6, false, true, false, false, AM_ABS }, 156 [0x7E] = { "ROR", ROR, 3, 7, false, true, false, false, AM_ABS_X }, 157 [0x40] = { "RTI", RTI, 1, 6, false, false, false, false, AM_NONE }, 158 [0x60] = { "RTS", RTS, 1, 6, false, false, false, false, AM_NONE }, 159 [0xE9] = { "SBC", SBC, 2, 2, false, false, false, false, AM_IMM }, 160 [0xE5] = { "SBC", SBC, 2, 3, true, false, false, false, AM_ZP }, 161 [0xF5] = { "SBC", SBC, 2, 4, true, false, false, false, AM_ZP_X }, 162 [0xED] = { "SBC", SBC, 3, 4, true, false, false, false, AM_ABS }, 163 [0xFD] = { "SBC", SBC, 3, 4, true, false, true, false, AM_ABS_X }, 164 [0xF9] = { "SBC", SBC, 3, 4, true, false, true, false, AM_ABS_Y }, 165 [0xE1] = { "SBC", SBC, 2, 6, true, false, false, false, AM_IND_X }, 166 [0xF1] = { "SBC", SBC, 2, 5, true, false, true, false, AM_IND_Y }, 167 [0x38] = { "SEC", SEC, 1, 2, false, false, false, false, AM_NONE }, 168 [0xF8] = { "SED", SED, 1, 2, false, false, false, false, AM_NONE }, 169 [0x78] = { "SEI", SEI, 1, 2, false, false, false, false, AM_NONE }, 170 [0x85] = { "STA", STA, 2, 3, false, true, false, false, AM_ZP }, 171 [0x95] = { "STA", STA, 2, 4, false, true, false, false, AM_ZP_X }, 172 [0x8D] = { "STA", STA, 3, 4, false, true, false, false, AM_ABS }, 173 [0x9D] = { "STA", STA, 3, 5, false, true, false, false, AM_ABS_X }, 174 [0x99] = { "STA", STA, 3, 5, false, true, false, false, AM_ABS_Y }, 175 [0x81] = { "STA", STA, 2, 6, false, true, false, false, AM_IND_X }, 176 [0x91] = { "STA", STA, 2, 6, false, true, false, false, AM_IND_Y }, 177 [0x86] = { "STX", STX, 2, 3, false, true, false, false, AM_ZP }, 178 [0x96] = { "STX", STX, 2, 4, false, true, false, false, AM_ZP_Y }, 179 [0x8E] = { "STX", STX, 3, 4, false, true, false, false, AM_ABS }, 180 [0x84] = { "STY", STY, 2, 3, false, true, false, false, AM_ZP }, 181 [0x94] = { "STY", STY, 2, 4, false, true, false, false, AM_ZP_X }, 182 [0x8C] = { "STY", STY, 3, 4, false, true, false, false, AM_ABS }, 183 [0xAA] = { "TAX", TAX, 1, 2, false, false, false, false, AM_NONE }, 184 [0xA8] = { "TAY", TAY, 1, 2, false, false, false, false, AM_NONE }, 185 [0xBA] = { "TSX", TSX, 1, 2, false, false, false, false, AM_NONE }, 186 [0x8A] = { "TXA", TXA, 1, 2, false, false, false, false, AM_NONE }, 187 [0x9A] = { "TXS", TXS, 1, 2, false, false, false, false, AM_NONE }, 188 [0x98] = { "TYA", TYA, 1, 2, false, false, false, false, AM_NONE }, 189 /* unofficial opcodes: https://www.nesdev.org/undocumented_opcodes.txt */ 190 [0x0B] = { "AAC", AAC, 2, 2, false, false, false, true, AM_IMM }, 191 [0x2B] = { "AAC", AAC, 2, 2, false, false, false, true, AM_IMM }, 192 [0x87] = { "SAX", SAX, 2, 3, false, true, false, true, AM_ZP }, 193 [0x97] = { "SAX", SAX, 2, 4, false, true, false, true, AM_ZP_Y }, 194 [0x83] = { "SAX", SAX, 2, 6, false, true, false, true, AM_IND_X }, 195 [0x8F] = { "SAX", SAX, 3, 4, false, true, false, true, AM_ABS }, 196 [0x6B] = { "ARR", ARR, 2, 2, false, false, false, true, AM_IMM }, 197 [0x4B] = { "ASR", ASR, 2, 2, false, false, false, true, AM_IMM }, 198 [0xAB] = { "ATX", ATX, 2, 2, false, false, false, true, AM_IMM }, 199 [0x9F] = { "AXA", AXA, 3, 5, false, true, false, true, AM_ABS_Y }, 200 [0x93] = { "AXA", AXA, 2, 6, false, true, false, true, AM_IND_Y }, 201 [0xCB] = { "AXS", AXS, 2, 2, false, false, false, true, AM_IMM }, 202 [0xC7] = { "DCP", DCP, 2, 5, false, true, false, true, AM_ZP }, 203 [0xD7] = { "DCP", DCP, 2, 6, false, true, false, true, AM_ZP_X }, 204 [0xCF] = { "DCP", DCP, 3, 6, false, true, false, true, AM_ABS }, 205 [0xDF] = { "DCP", DCP, 3, 7, false, true, false, true, AM_ABS_X }, 206 [0xDB] = { "DCP", DCP, 3, 7, false, true, false, true, AM_ABS_Y }, 207 [0xC3] = { "DCP", DCP, 2, 8, false, true, false, true, AM_IND_X }, 208 [0xD3] = { "DCP", DCP, 2, 8, false, true, false, true, AM_IND_Y }, 209 [0x04] = { "NOP", NOP, 2, 3, true, false, false, true, AM_ZP }, 210 [0x14] = { "NOP", NOP, 2, 4, true, false, false, true, AM_ZP_X }, 211 [0x34] = { "NOP", NOP, 2, 4, true, false, false, true, AM_ZP_X }, 212 [0x44] = { "NOP", NOP, 2, 3, true, false, false, true, AM_ZP }, 213 [0x54] = { "NOP", NOP, 2, 4, true, false, false, true, AM_ZP_X }, 214 [0x64] = { "NOP", NOP, 2, 3, true, false, false, true, AM_ZP }, 215 [0x74] = { "NOP", NOP, 2, 4, true, false, false, true, AM_ZP_X }, 216 [0x80] = { "NOP", NOP, 2, 2, false, false, false, true, AM_IMM }, 217 [0x82] = { "NOP", NOP, 2, 2, false, false, false, true, AM_IMM }, 218 [0x89] = { "NOP", NOP, 2, 2, false, false, false, true, AM_IMM }, 219 [0xC2] = { "NOP", NOP, 2, 2, false, false, false, true, AM_IMM }, 220 [0xD4] = { "NOP", NOP, 2, 4, true, false, false, true, AM_ZP_X }, 221 [0xE2] = { "NOP", NOP, 2, 2, false, false, false, true, AM_IMM }, 222 [0xF4] = { "NOP", NOP, 2, 4, true, false, false, true, AM_ZP_X }, 223 [0xE7] = { "ISB", ISB, 2, 5, false, true, false, true, AM_ZP }, 224 [0xF7] = { "ISB", ISB, 2, 6, false, true, false, true, AM_ZP_X }, 225 [0xEF] = { "ISB", ISB, 3, 6, false, true, false, true, AM_ABS }, 226 [0xFF] = { "ISB", ISB, 3, 7, false, true, false, true, AM_ABS_X }, 227 [0xFB] = { "ISB", ISB, 3, 7, false, true, false, true, AM_ABS_Y }, 228 [0xE3] = { "ISB", ISB, 2, 8, false, true, false, true, AM_IND_X }, 229 [0xF3] = { "ISB", ISB, 2, 8, false, true, false, true, AM_IND_Y }, 230 [0x02] = { "KIL", KIL, 1, 0, false, false, false, true, AM_NONE }, 231 [0x12] = { "KIL", KIL, 1, 0, false, false, false, true, AM_NONE }, 232 [0x22] = { "KIL", KIL, 1, 0, false, false, false, true, AM_NONE }, 233 [0x32] = { "KIL", KIL, 1, 0, false, false, false, true, AM_NONE }, 234 [0x42] = { "KIL", KIL, 1, 0, false, false, false, true, AM_NONE }, 235 [0x52] = { "KIL", KIL, 1, 0, false, false, false, true, AM_NONE }, 236 [0x62] = { "KIL", KIL, 1, 0, false, false, false, true, AM_NONE }, 237 [0x72] = { "KIL", KIL, 1, 0, false, false, false, true, AM_NONE }, 238 [0x92] = { "KIL", KIL, 1, 0, false, false, false, true, AM_NONE }, 239 [0xB2] = { "KIL", KIL, 1, 0, false, false, false, true, AM_NONE }, 240 [0xD2] = { "KIL", KIL, 1, 0, false, false, false, true, AM_NONE }, 241 [0xF2] = { "KIL", KIL, 1, 0, false, false, false, true, AM_NONE }, 242 [0xBB] = { "LAR", LAR, 3, 4, true, false, true, true, AM_ABS_Y }, 243 [0xA7] = { "LAX", LAX, 2, 3, true, false, false, true, AM_ZP }, 244 [0xB7] = { "LAX", LAX, 2, 4, true, false, false, true, AM_ZP_Y }, 245 [0xAF] = { "LAX", LAX, 3, 4, true, false, false, true, AM_ABS }, 246 [0xBF] = { "LAX", LAX, 3, 4, true, false, true, true, AM_ABS_Y }, 247 [0xA3] = { "LAX", LAX, 2, 6, true, false, false, true, AM_IND_X }, 248 [0xB3] = { "LAX", LAX, 2, 5, true, false, true, true, AM_IND_Y }, 249 [0x1A] = { "NOP", NOP, 1, 2, false, false, false, true, AM_NONE }, 250 [0x3A] = { "NOP", NOP, 1, 2, false, false, false, true, AM_NONE }, 251 [0x5A] = { "NOP", NOP, 1, 2, false, false, false, true, AM_NONE }, 252 [0x7A] = { "NOP", NOP, 1, 2, false, false, false, true, AM_NONE }, 253 [0xDA] = { "NOP", NOP, 1, 2, false, false, false, true, AM_NONE }, 254 [0xFA] = { "NOP", NOP, 1, 2, false, false, false, true, AM_NONE }, 255 [0x27] = { "RLA", RLA, 2, 5, false, true, false, true, AM_ZP }, 256 [0x37] = { "RLA", RLA, 2, 6, false, true, false, true, AM_ZP_X }, 257 [0x2F] = { "RLA", RLA, 3, 6, false, true, false, true, AM_ABS }, 258 [0x3F] = { "RLA", RLA, 3, 7, false, true, false, true, AM_ABS_X }, 259 [0x3B] = { "RLA", RLA, 3, 7, false, true, false, true, AM_ABS_Y }, 260 [0x23] = { "RLA", RLA, 2, 8, false, true, false, true, AM_IND_X }, 261 [0x33] = { "RLA", RLA, 2, 8, false, true, false, true, AM_IND_Y }, 262 [0x67] = { "RRA", RRA, 2, 5, false, true, false, true, AM_ZP }, 263 [0x77] = { "RRA", RRA, 2, 6, false, true, false, true, AM_ZP_X }, 264 [0x6F] = { "RRA", RRA, 3, 6, false, true, false, true, AM_ABS }, 265 [0x7F] = { "RRA", RRA, 3, 7, false, true, false, true, AM_ABS_X }, 266 [0x7B] = { "RRA", RRA, 3, 7, false, true, false, true, AM_ABS_Y }, 267 [0x63] = { "RRA", RRA, 2, 8, false, true, false, true, AM_IND_X }, 268 [0x73] = { "RRA", RRA, 2, 8, false, true, false, true, AM_IND_Y }, 269 [0xEB] = { "SBC", SBC, 2, 2, false, false, false, true, AM_IMM }, 270 [0x07] = { "SLO", SLO, 2, 5, false, true, false, true, AM_ZP }, 271 [0x17] = { "SLO", SLO, 2, 6, false, true, false, true, AM_ZP_X }, 272 [0x0F] = { "SLO", SLO, 3, 6, false, true, false, true, AM_ABS }, 273 [0x1F] = { "SLO", SLO, 3, 7, false, true, false, true, AM_ABS_X }, 274 [0x1B] = { "SLO", SLO, 3, 7, false, true, false, true, AM_ABS_Y }, 275 [0x03] = { "SLO", SLO, 2, 8, false, true, false, true, AM_IND_X }, 276 [0x13] = { "SLO", SLO, 2, 8, false, true, false, true, AM_IND_Y }, 277 [0x47] = { "SRE", SRE, 2, 5, false, true, false, true, AM_ZP }, 278 [0x57] = { "SRE", SRE, 2, 6, false, true, false, true, AM_ZP_X }, 279 [0x4F] = { "SRE", SRE, 3, 6, false, true, false, true, AM_ABS }, 280 [0x5F] = { "SRE", SRE, 3, 7, false, true, false, true, AM_ABS_X }, 281 [0x5B] = { "SRE", SRE, 3, 7, false, true, false, true, AM_ABS_Y }, 282 [0x43] = { "SRE", SRE, 2, 8, false, true, false, true, AM_IND_X }, 283 [0x53] = { "SRE", SRE, 2, 8, false, true, false, true, AM_IND_Y }, 284 [0x9E] = { "SXA", SXA, 3, 5, false, true, false, true, AM_ABS_Y }, 285 [0x9C] = { "SYA", SYA, 3, 5, false, true, false, true, AM_ABS_X }, 286 [0x0C] = { "NOP", NOP, 3, 4, true, false, false, true, AM_ABS }, 287 [0x1C] = { "NOP", NOP, 3, 4, true, false, true, true, AM_ABS_X }, 288 [0x3C] = { "NOP", NOP, 3, 4, true, false, true, true, AM_ABS_X }, 289 [0x5C] = { "NOP", NOP, 3, 4, true, false, true, true, AM_ABS_X }, 290 [0x7C] = { "NOP", NOP, 3, 4, true, false, true, true, AM_ABS_X }, 291 [0xDC] = { "NOP", NOP, 3, 4, true, false, true, true, AM_ABS_X }, 292 [0xFC] = { "NOP", NOP, 3, 4, true, false, true, true, AM_ABS_X }, 293 [0x8B] = { "XAA", XAA, 2, 2, false, false, false, true, AM_IMM }, 294 [0x9B] = { "XAS", XAS, 3, 5, false, true, false, true, AM_ABS_Y }, 295 };