fix SBC bug in the rewrite and improve logging
This commit is contained in:
parent
d8bb5a5ccf
commit
2236e79556
89
cpu.c
89
cpu.c
@ -99,55 +99,6 @@ memwrite16(uint16_t addr, uint16_t word)
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memory[addr + 1] = (word & 0xFF00) >> 8;
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}
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static uint8_t
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opcode_arg(enum addressing_mode mode)
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{
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uint16_t arg, val;
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if (mode != AM_ABS && mode != AM_ABS_X && mode != AM_ABS_Y) {
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arg = peek(regs.pc++);
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} else {
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arg = peek16(regs.pc);
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regs.pc += 2;
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}
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switch (mode) {
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case AM_IMM:
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case AM_REL:
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val = arg;
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break;
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case AM_ZP:
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val = peek(arg % 256);
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break;
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case AM_ZP_X:
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val = peek((arg + regs.x) % 256);
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break;
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case AM_ZP_Y:
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val = peek((arg + regs.y) % 256);
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break;
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case AM_ABS:
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val = peek16(arg);
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break;
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case AM_ABS_X:
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val = peek16(arg + regs.x);
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break;
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case AM_ABS_Y:
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val = peek16(arg + regs.y);
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break;
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case AM_IND_X:
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val = peek(peek((arg + regs.x) % 256) + peek((arg + regs.x + 1) % 256) * 256);
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break;
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case AM_IND_Y:
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val = peek(peek(arg) + peek((arg + 1) % 256) * 256 + regs.y);
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break;
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default:
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fprintf(stderr, "INVALID ADDRESSING MODE %i\n", mode);
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abort();
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}
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return val;
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}
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static uint16_t
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opcode_mem(enum addressing_mode mode)
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{
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@ -193,7 +144,7 @@ opcode_mem(enum addressing_mode mode)
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val = peek(arg) + peek((arg + 1) % 256) * 256 + regs.y;
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break;
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default:
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fprintf(stderr, "opcode_mem INVALID ADDRESSING MODE %i\n", mode);
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fprintf(stderr, "INVALID ADDRESSING MODE %i\n", mode);
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abort();
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}
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@ -271,7 +222,8 @@ BEQ(uint16_t arg)
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void
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BIT(uint16_t arg)
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{
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uint8_t tmp = peek(arg);
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uint8_t tmp = arg;
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regs.status.zero = (regs.a & tmp) == 0;
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regs.status.overflow = (tmp & (1 << 6)) != 0;
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STATUS_UPDATE_NEGATIVE(tmp);
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@ -628,8 +580,18 @@ RTS(uint16_t arg)
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void
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SBC(uint16_t arg)
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{
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/* SBC is described online as ADC with argument as two's complement */
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ADC(~(uint8_t)arg);
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uint8_t tmp = arg & 0xFF;
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uint16_t diff;
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diff = regs.a - tmp - !regs.status.carry;
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regs.status.carry = diff > 0xFF;
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regs.status.carry = !regs.status.carry;
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/* overflow flag formula: https://stackoverflow.com/a/29224684 */
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regs.status.overflow = ((regs.a ^ arg) & (regs.a ^ diff) & 0x80) != 0;
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regs.a = diff & 0xFF;
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STATUS_UPDATE_NZ(regs.a);
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}
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void
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@ -759,10 +721,10 @@ interpret(void)
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printf("$%04X", arg);
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break;
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case AM_ABS_X:
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printf("$%04X,X", arg);
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printf("$%04X,X @ %04X", arg - regs.x, arg);
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break;
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case AM_ABS_Y:
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printf("$%04X,Y", arg);
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printf("$%04X,Y @ %04X", arg - regs.y, arg);
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break;
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case AM_IND:
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printf("($%04X) = %04X\t\t", arg, peek16(arg));
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@ -776,13 +738,20 @@ interpret(void)
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break;
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}
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if (opcodes[op].didmemory) printf(" = %02X", peek(arg));
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printf("\t\t\t");
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if (opcodes[op].memread || opcodes[op].memwrite)
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printf(" = %02X", peek(arg));
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printf("A:%02X X:%02X Y:%02X P:%02X SP:%02X CYC:%d %08b\n",
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regs.a, regs.x, regs.y, STATUS_TO_INT(), regs.sp, cycles, STATUS_TO_INT());
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if (mode != AM_ABS_X && mode != AM_ABS_Y)
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putchar('\t');
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printf("\t\t");
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opcodes[op].instr(arg);
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printf("A:%02X X:%02X Y:%02X P:%02X SP:%02X CYC:%d\n",
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regs.a, regs.x, regs.y, STATUS_TO_INT(), regs.sp, cycles);
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if (opcodes[op].memread)
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opcodes[op].instr(peek(arg));
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else
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opcodes[op].instr(arg);
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cycles += opcodes[op].cycles;
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}
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loop_exit:
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305
opcodes.h
305
opcodes.h
@ -26,161 +26,162 @@ struct opcode {
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void (*instr)(uint16_t arg);
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uint8_t bytes;
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uint8_t cycles;
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bool didmemory;
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bool memread;
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bool memwrite;
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enum addressing_mode mode;
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};
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struct opcode opcodes[0x100] = {
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/* official opcodes */
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[0x69] = { "ADC", ADC, 2, 2, false, AM_IMM },
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[0x65] = { "ADC", ADC, 2, 3, false, AM_ZP },
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[0x75] = { "ADC", ADC, 2, 4, false, AM_ZP_X },
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[0x6D] = { "ADC", ADC, 3, 4, false, AM_ABS },
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[0x7D] = { "ADC", ADC, 3, 4, false, AM_ABS_X },
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[0x79] = { "ADC", ADC, 3, 4, false, AM_ABS_Y },
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[0x61] = { "ADC", ADC, 2, 6, false, AM_IND_X },
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[0x71] = { "ADC", ADC, 2, 5, false, AM_IND_Y },
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[0x29] = { "AND", AND, 2, 2, false, AM_IMM },
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[0x25] = { "AND", AND, 2, 3, false, AM_ZP },
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[0x35] = { "AND", AND, 2, 4, false, AM_ZP_X },
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[0x2D] = { "AND", AND, 3, 4, false, AM_ABS },
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[0x3D] = { "AND", AND, 3, 4, false, AM_ABS_X },
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[0x39] = { "AND", AND, 3, 4, false, AM_ABS_Y },
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[0x21] = { "AND", AND, 2, 6, false, AM_IND_X },
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[0x31] = { "AND", AND, 2, 5, false, AM_IND_Y },
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[0x0A] = { "ASL", ASL_acc, 1, 2, false, AM_ACC },
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[0x06] = { "ASL", ASL, 2, 5, true, AM_ZP },
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[0x16] = { "ASL", ASL, 2, 6, true, AM_ZP_X },
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[0x0E] = { "ASL", ASL, 3, 6, true, AM_ABS },
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[0x1E] = { "ASL", ASL, 3, 7, true, AM_ABS_X },
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[0x90] = { "BCC", BCC, 2, 2, false, AM_REL },
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[0xB0] = { "BCS", BCS, 2, 2, false, AM_REL },
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[0xF0] = { "BEQ", BEQ, 2, 2, false, AM_REL },
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[0x24] = { "BIT", BIT, 2, 3, true, AM_ZP },
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[0x2C] = { "BIT", BIT, 3, 4, true, AM_ABS },
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[0x30] = { "BMI", BMI, 2, 2, false, AM_REL },
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[0xD0] = { "BNE", BNE, 2, 2, false, AM_REL },
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[0x10] = { "BPL", BPL, 2, 2, false, AM_REL },
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[0x00] = { "BRK", BRK, 1, 7, false, AM_NONE },
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[0x50] = { "BVC", BVC, 2, 2, false, AM_REL },
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[0x70] = { "BVS", BVS, 2, 2, false, AM_REL },
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[0x18] = { "CLC", CLC, 1, 2, false, AM_NONE },
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[0xD8] = { "CLD", CLD, 1, 2, false, AM_NONE },
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[0x58] = { "CLI", CLI, 1, 2, false, AM_NONE },
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[0xB8] = { "CLV", CLV, 1, 2, false, AM_NONE },
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[0xC9] = { "CMP", CMP, 2, 2, false, AM_IMM },
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[0xC5] = { "CMP", CMP, 2, 3, false, AM_ZP },
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[0xD5] = { "CMP", CMP, 2, 4, false, AM_ZP_X },
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[0xCD] = { "CMP", CMP, 3, 4, false, AM_ABS },
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[0xDD] = { "CMP", CMP, 3, 4, false, AM_ABS_X },
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[0xD9] = { "CMP", CMP, 3, 4, false, AM_ABS_Y },
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[0xC1] = { "CMP", CMP, 2, 6, false, AM_IND_X },
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[0xD1] = { "CMP", CMP, 2, 5, false, AM_IND_Y },
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[0xE0] = { "CPX", CPX, 2, 2, false, AM_IMM },
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[0xE4] = { "CPX", CPX, 2, 3, false, AM_ZP },
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[0xEC] = { "CPX", CPX, 3, 4, false, AM_ABS },
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[0xC0] = { "CPY", CPY, 2, 2, false, AM_IMM },
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[0xC4] = { "CPY", CPY, 2, 3, false, AM_ZP },
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[0xCC] = { "CPY", CPY, 3, 4, false, AM_ABS },
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[0xC6] = { "DEC", DEC, 2, 5, true, AM_ZP },
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[0xD6] = { "DEC", DEC, 2, 6, true, AM_ZP_X },
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[0xCE] = { "DEC", DEC, 3, 6, true, AM_ABS },
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[0xDE] = { "DEC", DEC, 3, 7, true, AM_ABS_X },
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[0xCA] = { "DEX", DEX, 1, 2, false, AM_NONE },
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[0x88] = { "DEY", DEY, 1, 2, false, AM_NONE },
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[0x49] = { "EOR", EOR, 2, 2, false, AM_IMM },
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[0x45] = { "EOR", EOR, 2, 3, false, AM_ZP },
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[0x55] = { "EOR", EOR, 2, 4, false, AM_ZP_X },
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[0x4D] = { "EOR", EOR, 3, 4, false, AM_ABS },
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[0x5D] = { "EOR", EOR, 3, 4, false, AM_ABS_X },
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[0x59] = { "EOR", EOR, 3, 4, false, AM_ABS_Y },
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[0x41] = { "EOR", EOR, 2, 6, false, AM_IND_X },
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[0x51] = { "EOR", EOR, 2, 5, false, AM_IND_Y },
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[0xE6] = { "INC", INC, 2, 5, true, AM_ZP },
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[0xF6] = { "INC", INC, 2, 6, true, AM_ZP_X },
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[0xEE] = { "INC", INC, 3, 6, true, AM_ABS },
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[0xFE] = { "INC", INC, 3, 7, true, AM_ABS_X },
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[0xE8] = { "INX", INX, 1, 2, false, AM_NONE },
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[0xC8] = { "INY", INY, 1, 2, false, AM_NONE },
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[0x4C] = { "JMP", JMP, 3, 3, false, AM_ABS },
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[0x6C] = { "JMP", JMP, 3, 5, false, AM_IND },
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[0x20] = { "JSR", JSR, 3, 6, false, AM_ABS },
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[0xA9] = { "LDA", LDA, 2, 2, false, AM_IMM },
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[0xA5] = { "LDA", LDA, 2, 3, false, AM_ZP },
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[0xB5] = { "LDA", LDA, 2, 4, false, AM_ZP_X },
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[0xAD] = { "LDA", LDA, 3, 4, false, AM_ABS },
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[0xBD] = { "LDA", LDA, 3, 4, false, AM_ABS_X },
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[0xB9] = { "LDA", LDA, 3, 4, false, AM_ABS_Y },
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[0xA1] = { "LDA", LDA, 2, 6, false, AM_IND_X },
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[0xB1] = { "LDA", LDA, 2, 5, false, AM_IND_Y },
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[0xA2] = { "LDX", LDX, 2, 2, false, AM_IMM },
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[0xA6] = { "LDX", LDX, 2, 3, true, AM_ZP },
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[0xB6] = { "LDX", LDX, 2, 4, false, AM_ZP_Y },
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[0xAE] = { "LDX", LDX, 3, 4, true, AM_ABS },
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[0xBE] = { "LDX", LDX, 3, 4, false, AM_ABS_Y },
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[0xA0] = { "LDY", LDY, 2, 2, false, AM_IMM },
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[0xA4] = { "LDY", LDY, 2, 3, false, AM_ZP },
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[0xB4] = { "LDY", LDY, 2, 4, false, AM_ZP_X },
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[0xAC] = { "LDY", LDY, 3, 4, false, AM_ABS },
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[0xBC] = { "LDY", LDY, 3, 4, false, AM_ABS_X },
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[0x4A] = { "LSR", LSR_acc, 1, 2, false, AM_ACC },
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[0x46] = { "LSR", LSR, 2, 5, true, AM_ZP },
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[0x56] = { "LSR", LSR, 2, 6, true, AM_ZP_X },
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[0x4E] = { "LSR", LSR, 3, 6, true, AM_ABS },
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[0x5E] = { "LSR", LSR, 3, 7, true, AM_ABS_X },
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[0xEA] = { "NOP", NOP, 1, 2, false, AM_NONE },
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[0x09] = { "ORA", ORA, 2, 2, false, AM_IMM },
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[0x05] = { "ORA", ORA, 2, 3, false, AM_ZP },
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[0x15] = { "ORA", ORA, 2, 4, false, AM_ZP_X },
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[0x0D] = { "ORA", ORA, 3, 4, false, AM_ABS },
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[0x1D] = { "ORA", ORA, 3, 4, false, AM_ABS_X },
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[0x19] = { "ORA", ORA, 3, 4, false, AM_ABS_Y },
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[0x01] = { "ORA", ORA, 2, 6, false, AM_IND_X },
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[0x11] = { "ORA", ORA, 2, 5, false, AM_IND_Y },
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[0x48] = { "PHA", PHA, 1, 3, false, AM_NONE },
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[0x08] = { "PHP", PHP, 1, 3, false, AM_NONE },
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[0x68] = { "PLA", PLA, 1, 4, false, AM_NONE },
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[0x28] = { "PLP", PLP, 1, 4, false, AM_NONE },
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[0x2A] = { "ROL", ROL_acc, 1, 2, false, AM_ACC },
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[0x26] = { "ROL", ROL, 2, 5, true, AM_ZP },
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[0x36] = { "ROL", ROL, 2, 6, true, AM_ZP_X },
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[0x2E] = { "ROL", ROL, 3, 6, true, AM_ABS },
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[0x3E] = { "ROL", ROL, 3, 7, true, AM_ABS_X },
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[0x6A] = { "ROR", ROR_acc, 1, 2, false, AM_ACC },
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[0x66] = { "ROR", ROR, 2, 5, true, AM_ZP },
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[0x76] = { "ROR", ROR, 2, 6, true, AM_ZP_X },
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[0x6E] = { "ROR", ROR, 3, 6, true, AM_ABS },
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[0x7E] = { "ROR", ROR, 3, 7, true, AM_ABS_X },
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[0x40] = { "RTI", RTI, 1, 6, false, AM_NONE },
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[0x60] = { "RTS", RTS, 1, 6, false, AM_NONE },
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[0xE9] = { "SBC", SBC, 2, 2, false, AM_IMM },
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[0xE5] = { "SBC", SBC, 2, 3, false, AM_ZP },
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[0xF5] = { "SBC", SBC, 2, 4, false, AM_ZP_X },
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[0xED] = { "SBC", SBC, 3, 4, false, AM_ABS },
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[0xFD] = { "SBC", SBC, 3, 4, false, AM_ABS_X },
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[0xF9] = { "SBC", SBC, 3, 4, false, AM_ABS_Y },
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[0xE1] = { "SBC", SBC, 2, 6, false, AM_IND_X },
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[0xF1] = { "SBC", SBC, 2, 5, false, AM_IND_Y },
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[0x38] = { "SEC", SEC, 1, 2, false, AM_NONE },
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[0xF8] = { "SED", SED, 1, 2, false, AM_NONE },
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[0x78] = { "SEI", SEI, 1, 2, false, AM_NONE },
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[0x85] = { "STA", STA, 2, 3, true, AM_ZP },
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[0x95] = { "STA", STA, 2, 4, true, AM_ZP_X },
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[0x8D] = { "STA", STA, 3, 4, true, AM_ABS },
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[0x9D] = { "STA", STA, 3, 5, true, AM_ABS_X },
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[0x99] = { "STA", STA, 3, 5, true, AM_ABS_Y },
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[0x81] = { "STA", STA, 2, 6, true, AM_IND_X },
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[0x91] = { "STA", STA, 2, 6, true, AM_IND_Y },
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[0x86] = { "STX", STX, 2, 3, true, AM_ZP },
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[0x96] = { "STX", STX, 2, 4, true, AM_ZP_Y },
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[0x8E] = { "STX", STX, 3, 4, true, AM_ABS },
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[0x84] = { "STY", STY, 2, 3, true, AM_ZP },
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[0x94] = { "STY", STY, 2, 4, true, AM_ZP_X },
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[0x8C] = { "STY", STY, 3, 4, true, AM_ABS },
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[0xAA] = { "TAX", TAX, 1, 2, false, AM_NONE },
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[0xA8] = { "TAY", TAY, 1, 2, false, AM_NONE },
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[0xBA] = { "TSX", TSX, 1, 2, false, AM_NONE },
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[0x8A] = { "TXA", TXA, 1, 2, false, AM_NONE },
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[0x9A] = { "TXS", TXS, 1, 2, false, AM_NONE },
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[0x98] = { "TYA", TYA, 1, 2, false, AM_NONE },
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[0x69] = { "ADC", ADC, 2, 2, false, false, AM_IMM },
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[0x65] = { "ADC", ADC, 2, 3, false, false, AM_ZP },
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[0x75] = { "ADC", ADC, 2, 4, false, false, AM_ZP_X },
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[0x6D] = { "ADC", ADC, 3, 4, false, false, AM_ABS },
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[0x7D] = { "ADC", ADC, 3, 4, false, false, AM_ABS_X },
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[0x79] = { "ADC", ADC, 3, 4, false, false, AM_ABS_Y },
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[0x61] = { "ADC", ADC, 2, 6, false, false, AM_IND_X },
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[0x71] = { "ADC", ADC, 2, 5, false, false, AM_IND_Y },
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[0x29] = { "AND", AND, 2, 2, false, false, AM_IMM },
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[0x25] = { "AND", AND, 2, 3, false, false, AM_ZP },
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[0x35] = { "AND", AND, 2, 4, false, false, AM_ZP_X },
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||||
[0x2D] = { "AND", AND, 3, 4, false, false, AM_ABS },
|
||||
[0x3D] = { "AND", AND, 3, 4, false, false, AM_ABS_X },
|
||||
[0x39] = { "AND", AND, 3, 4, false, false, AM_ABS_Y },
|
||||
[0x21] = { "AND", AND, 2, 6, false, false, AM_IND_X },
|
||||
[0x31] = { "AND", AND, 2, 5, false, false, AM_IND_Y },
|
||||
[0x0A] = { "ASL", ASL_acc, 1, 2, false, false, AM_ACC },
|
||||
[0x06] = { "ASL", ASL, 2, 5, false, true, AM_ZP },
|
||||
[0x16] = { "ASL", ASL, 2, 6, false, true, AM_ZP_X },
|
||||
[0x0E] = { "ASL", ASL, 3, 6, false, true, AM_ABS },
|
||||
[0x1E] = { "ASL", ASL, 3, 7, false, true, AM_ABS_X },
|
||||
[0x90] = { "BCC", BCC, 2, 2, false, false, AM_REL },
|
||||
[0xB0] = { "BCS", BCS, 2, 2, false, false, AM_REL },
|
||||
[0xF0] = { "BEQ", BEQ, 2, 2, false, false, AM_REL },
|
||||
[0x24] = { "BIT", BIT, 2, 3, true, false, AM_ZP },
|
||||
[0x2C] = { "BIT", BIT, 3, 4, true, false, AM_ABS },
|
||||
[0x30] = { "BMI", BMI, 2, 2, false, false, AM_REL },
|
||||
[0xD0] = { "BNE", BNE, 2, 2, false, false, AM_REL },
|
||||
[0x10] = { "BPL", BPL, 2, 2, false, false, AM_REL },
|
||||
[0x00] = { "BRK", BRK, 1, 7, false, false, AM_NONE },
|
||||
[0x50] = { "BVC", BVC, 2, 2, false, false, AM_REL },
|
||||
[0x70] = { "BVS", BVS, 2, 2, false, false, AM_REL },
|
||||
[0x18] = { "CLC", CLC, 1, 2, false, false, AM_NONE },
|
||||
[0xD8] = { "CLD", CLD, 1, 2, false, false, AM_NONE },
|
||||
[0x58] = { "CLI", CLI, 1, 2, false, false, AM_NONE },
|
||||
[0xB8] = { "CLV", CLV, 1, 2, false, false, AM_NONE },
|
||||
[0xC9] = { "CMP", CMP, 2, 2, false, false, AM_IMM },
|
||||
[0xC5] = { "CMP", CMP, 2, 3, false, false, AM_ZP },
|
||||
[0xD5] = { "CMP", CMP, 2, 4, false, false, AM_ZP_X },
|
||||
[0xCD] = { "CMP", CMP, 3, 4, false, false, AM_ABS },
|
||||
[0xDD] = { "CMP", CMP, 3, 4, false, false, AM_ABS_X },
|
||||
[0xD9] = { "CMP", CMP, 3, 4, false, false, AM_ABS_Y },
|
||||
[0xC1] = { "CMP", CMP, 2, 6, false, false, AM_IND_X },
|
||||
[0xD1] = { "CMP", CMP, 2, 5, false, false, AM_IND_Y },
|
||||
[0xE0] = { "CPX", CPX, 2, 2, false, false, AM_IMM },
|
||||
[0xE4] = { "CPX", CPX, 2, 3, false, false, AM_ZP },
|
||||
[0xEC] = { "CPX", CPX, 3, 4, false, false, AM_ABS },
|
||||
[0xC0] = { "CPY", CPY, 2, 2, false, false, AM_IMM },
|
||||
[0xC4] = { "CPY", CPY, 2, 3, false, false, AM_ZP },
|
||||
[0xCC] = { "CPY", CPY, 3, 4, false, false, AM_ABS },
|
||||
[0xC6] = { "DEC", DEC, 2, 5, false, true, AM_ZP },
|
||||
[0xD6] = { "DEC", DEC, 2, 6, false, true, AM_ZP_X },
|
||||
[0xCE] = { "DEC", DEC, 3, 6, false, true, AM_ABS },
|
||||
[0xDE] = { "DEC", DEC, 3, 7, false, true, AM_ABS_X },
|
||||
[0xCA] = { "DEX", DEX, 1, 2, false, false, AM_NONE },
|
||||
[0x88] = { "DEY", DEY, 1, 2, false, false, AM_NONE },
|
||||
[0x49] = { "EOR", EOR, 2, 2, false, false, AM_IMM },
|
||||
[0x45] = { "EOR", EOR, 2, 3, false, false, AM_ZP },
|
||||
[0x55] = { "EOR", EOR, 2, 4, false, false, AM_ZP_X },
|
||||
[0x4D] = { "EOR", EOR, 3, 4, false, false, AM_ABS },
|
||||
[0x5D] = { "EOR", EOR, 3, 4, false, false, AM_ABS_X },
|
||||
[0x59] = { "EOR", EOR, 3, 4, false, false, AM_ABS_Y },
|
||||
[0x41] = { "EOR", EOR, 2, 6, false, false, AM_IND_X },
|
||||
[0x51] = { "EOR", EOR, 2, 5, false, false, AM_IND_Y },
|
||||
[0xE6] = { "INC", INC, 2, 5, false, true, AM_ZP },
|
||||
[0xF6] = { "INC", INC, 2, 6, false, true, AM_ZP_X },
|
||||
[0xEE] = { "INC", INC, 3, 6, false, true, AM_ABS },
|
||||
[0xFE] = { "INC", INC, 3, 7, false, true, AM_ABS_X },
|
||||
[0xE8] = { "INX", INX, 1, 2, false, false, AM_NONE },
|
||||
[0xC8] = { "INY", INY, 1, 2, false, false, AM_NONE },
|
||||
[0x4C] = { "JMP", JMP, 3, 3, false, false, AM_ABS },
|
||||
[0x6C] = { "JMP", JMP, 3, 5, false, false, AM_IND },
|
||||
[0x20] = { "JSR", JSR, 3, 6, false, false, AM_ABS },
|
||||
[0xA9] = { "LDA", LDA, 2, 2, false, false, AM_IMM },
|
||||
[0xA5] = { "LDA", LDA, 2, 3, true, false, AM_ZP },
|
||||
[0xB5] = { "LDA", LDA, 2, 4, true, false, AM_ZP_X },
|
||||
[0xAD] = { "LDA", LDA, 3, 4, true, false, AM_ABS },
|
||||
[0xBD] = { "LDA", LDA, 3, 4, true, false, AM_ABS_X },
|
||||
[0xB9] = { "LDA", LDA, 3, 4, true, false, AM_ABS_Y },
|
||||
[0xA1] = { "LDA", LDA, 2, 6, true, false, AM_IND_X },
|
||||
[0xB1] = { "LDA", LDA, 2, 5, true, false, AM_IND_Y },
|
||||
[0xA2] = { "LDX", LDX, 2, 2, false, false, AM_IMM },
|
||||
[0xA6] = { "LDX", LDX, 2, 3, true, false, AM_ZP },
|
||||
[0xB6] = { "LDX", LDX, 2, 4, true, false, AM_ZP_Y },
|
||||
[0xAE] = { "LDX", LDX, 3, 4, true, false, AM_ABS },
|
||||
[0xBE] = { "LDX", LDX, 3, 4, true, false, AM_ABS_Y },
|
||||
[0xA0] = { "LDY", LDY, 2, 2, false, false, AM_IMM },
|
||||
[0xA4] = { "LDY", LDY, 2, 3, true, false, AM_ZP },
|
||||
[0xB4] = { "LDY", LDY, 2, 4, true, false, AM_ZP_X },
|
||||
[0xAC] = { "LDY", LDY, 3, 4, true, false, AM_ABS },
|
||||
[0xBC] = { "LDY", LDY, 3, 4, true, false, AM_ABS_X },
|
||||
[0x4A] = { "LSR", LSR_acc, 1, 2, false, false, AM_ACC },
|
||||
[0x46] = { "LSR", LSR, 2, 5, false, true, AM_ZP },
|
||||
[0x56] = { "LSR", LSR, 2, 6, false, true, AM_ZP_X },
|
||||
[0x4E] = { "LSR", LSR, 3, 6, false, true, AM_ABS },
|
||||
[0x5E] = { "LSR", LSR, 3, 7, false, true, AM_ABS_X },
|
||||
[0xEA] = { "NOP", NOP, 1, 2, false, false, AM_NONE },
|
||||
[0x09] = { "ORA", ORA, 2, 2, false, false, AM_IMM },
|
||||
[0x05] = { "ORA", ORA, 2, 3, false, false, AM_ZP },
|
||||
[0x15] = { "ORA", ORA, 2, 4, false, false, AM_ZP_X },
|
||||
[0x0D] = { "ORA", ORA, 3, 4, false, false, AM_ABS },
|
||||
[0x1D] = { "ORA", ORA, 3, 4, false, false, AM_ABS_X },
|
||||
[0x19] = { "ORA", ORA, 3, 4, false, false, AM_ABS_Y },
|
||||
[0x01] = { "ORA", ORA, 2, 6, false, false, AM_IND_X },
|
||||
[0x11] = { "ORA", ORA, 2, 5, false, false, AM_IND_Y },
|
||||
[0x48] = { "PHA", PHA, 1, 3, false, false, AM_NONE },
|
||||
[0x08] = { "PHP", PHP, 1, 3, false, false, AM_NONE },
|
||||
[0x68] = { "PLA", PLA, 1, 4, false, false, AM_NONE },
|
||||
[0x28] = { "PLP", PLP, 1, 4, false, false, AM_NONE },
|
||||
[0x2A] = { "ROL", ROL_acc, 1, 2, false, false, AM_ACC },
|
||||
[0x26] = { "ROL", ROL, 2, 5, false, true, AM_ZP },
|
||||
[0x36] = { "ROL", ROL, 2, 6, false, true, AM_ZP_X },
|
||||
[0x2E] = { "ROL", ROL, 3, 6, false, true, AM_ABS },
|
||||
[0x3E] = { "ROL", ROL, 3, 7, false, true, AM_ABS_X },
|
||||
[0x6A] = { "ROR", ROR_acc, 1, 2, false, false, AM_ACC },
|
||||
[0x66] = { "ROR", ROR, 2, 5, false, true, AM_ZP },
|
||||
[0x76] = { "ROR", ROR, 2, 6, false, true, AM_ZP_X },
|
||||
[0x6E] = { "ROR", ROR, 3, 6, false, true, AM_ABS },
|
||||
[0x7E] = { "ROR", ROR, 3, 7, false, true, AM_ABS_X },
|
||||
[0x40] = { "RTI", RTI, 1, 6, false, false, AM_NONE },
|
||||
[0x60] = { "RTS", RTS, 1, 6, false, false, AM_NONE },
|
||||
[0xE9] = { "SBC", SBC, 2, 2, false, false, AM_IMM },
|
||||
[0xE5] = { "SBC", SBC, 2, 3, false, false, AM_ZP },
|
||||
[0xF5] = { "SBC", SBC, 2, 4, false, false, AM_ZP_X },
|
||||
[0xED] = { "SBC", SBC, 3, 4, false, false, AM_ABS },
|
||||
[0xFD] = { "SBC", SBC, 3, 4, false, false, AM_ABS_X },
|
||||
[0xF9] = { "SBC", SBC, 3, 4, false, false, AM_ABS_Y },
|
||||
[0xE1] = { "SBC", SBC, 2, 6, false, false, AM_IND_X },
|
||||
[0xF1] = { "SBC", SBC, 2, 5, false, false, AM_IND_Y },
|
||||
[0x38] = { "SEC", SEC, 1, 2, false, false, AM_NONE },
|
||||
[0xF8] = { "SED", SED, 1, 2, false, false, AM_NONE },
|
||||
[0x78] = { "SEI", SEI, 1, 2, false, false, AM_NONE },
|
||||
[0x85] = { "STA", STA, 2, 3, false, true, AM_ZP },
|
||||
[0x95] = { "STA", STA, 2, 4, false, true, AM_ZP_X },
|
||||
[0x8D] = { "STA", STA, 3, 4, false, true, AM_ABS },
|
||||
[0x9D] = { "STA", STA, 3, 5, false, true, AM_ABS_X },
|
||||
[0x99] = { "STA", STA, 3, 5, false, true, AM_ABS_Y },
|
||||
[0x81] = { "STA", STA, 2, 6, false, true, AM_IND_X },
|
||||
[0x91] = { "STA", STA, 2, 6, false, true, AM_IND_Y },
|
||||
[0x86] = { "STX", STX, 2, 3, false, true, AM_ZP },
|
||||
[0x96] = { "STX", STX, 2, 4, false, true, AM_ZP_Y },
|
||||
[0x8E] = { "STX", STX, 3, 4, false, true, AM_ABS },
|
||||
[0x84] = { "STY", STY, 2, 3, false, true, AM_ZP },
|
||||
[0x94] = { "STY", STY, 2, 4, false, true, AM_ZP_X },
|
||||
[0x8C] = { "STY", STY, 3, 4, false, true, AM_ABS },
|
||||
[0xAA] = { "TAX", TAX, 1, 2, false, false, AM_NONE },
|
||||
[0xA8] = { "TAY", TAY, 1, 2, false, false, AM_NONE },
|
||||
[0xBA] = { "TSX", TSX, 1, 2, false, false, AM_NONE },
|
||||
[0x8A] = { "TXA", TXA, 1, 2, false, false, AM_NONE },
|
||||
[0x9A] = { "TXS", TXS, 1, 2, false, false, AM_NONE },
|
||||
[0x98] = { "TYA", TYA, 1, 2, false, false, AM_NONE },
|
||||
};
|
||||
|
||||
Loading…
Reference in New Issue
Block a user