2025-01-30 16:27:27 -07:00
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#include <instructions.h>
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#include <cpu.h>
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instruction instructions[0x100] = {
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2025-01-30 21:59:05 -07:00
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//0x0X
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2025-01-30 16:27:27 -07:00
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[0x00] = {IN_NOP, AM_IMP},
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[0x01] = {IN_LD, AM_R_D16, RT_BC},
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[0x02] = {IN_LD, AM_MR_R, RT_BC, RT_A},
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[0x03] = {IN_INC, AM_R, RT_BC},
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[0x04] = {IN_INC, AM_R, RT_B},
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[0x05] = {IN_DEC, AM_R, RT_B},
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[0x06] = {IN_LD, AM_R_D8, RT_B},
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[0x07] = {IN_RLCA},
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[0x08] = {IN_LD, AM_A16_R, RT_NONE, RT_SP},
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[0x09] = {IN_ADD, AM_R_R, RT_HL, RT_BC},
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[0x0A] = {IN_LD, AM_R_MR, RT_A, RT_BC},
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[0x0B] = {IN_DEC, AM_R, RT_BC},
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[0x0C] = {IN_INC, AM_R, RT_C},
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[0x0D] = {IN_DEC, AM_R, RT_C},
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[0x0E] = {IN_LD, AM_R_D8, RT_C},
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[0x0F] = {IN_RRA},
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//0x1X
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[0x10] = {IN_STOP},
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[0x11] = {IN_LD, AM_R_D16, RT_DE},
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[0x12] = {IN_LD, AM_MR_R, RT_DE, RT_A},
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[0x13] = {IN_INC, AM_R, RT_DE},
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[0x14] = {IN_INC, AM_R, RT_D},
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[0x15] = {IN_DEC, AM_R, RT_D},
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[0x16] = {IN_LD, AM_R_D8, RT_D},
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[0x17] = {IN_RLA},
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[0x18] = {IN_JR, AM_D8},
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[0x19] = {IN_ADD, AM_R_R, RT_HL, RT_DE},
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[0x1A] = {IN_LD, AM_R_MR, RT_A, RT_DE},
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[0x1B] = {IN_DEC, AM_R, RT_DE},
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[0x1C] = {IN_INC, AM_R, RT_E},
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[0x1D] = {IN_DEC, AM_R, RT_E},
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[0x1E] = {IN_LD, AM_R_D8, RT_E},
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[0x1F] = {IN_RRA},
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//0x2X
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[0x20] = {IN_JR, AM_D8, RT_NONE, RT_NONE, CT_NZ},
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[0x21] = {IN_LD, AM_R_D16, RT_HL},
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[0x22] = {IN_LD, AM_HLI_R, RT_HL, RT_A},
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[0x23] = {IN_INC, AM_R, RT_HL},
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[0x24] = {IN_INC, AM_R, RT_H},
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[0x25] = {IN_DEC, AM_R, RT_H},
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[0x26] = {IN_LD, AM_R_D8, RT_H},
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[0x27] = {IN_DAA},
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[0x28] = {IN_JR, AM_D8, RT_NONE, RT_NONE, CT_Z},
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[0x29] = {IN_ADD, AM_R_R, RT_HL, RT_HL},
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[0x2A] = {IN_LD, AM_R_HLI, RT_A, RT_HL},
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[0x2B] = {IN_DEC, AM_R, RT_HL},
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[0x2C] = {IN_INC, AM_R, RT_L},
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[0x2D] = {IN_DEC, AM_R, RT_L},
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[0x2E] = {IN_LD, AM_R_D8, RT_L},
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[0x2F] = {IN_CPL},
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//0x3X
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[0x30] = {IN_JR, AM_D8, RT_NONE, RT_NONE, CT_NC},
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[0x31] = {IN_LD, AM_R_D16, RT_SP},
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[0x32] = {IN_LD, AM_HLD_R, RT_HL, RT_A},
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[0x33] = {IN_INC, AM_R, RT_SP},
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[0x34] = {IN_INC, AM_MR, RT_HL},
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[0x35] = {IN_DEC, AM_MR, RT_HL},
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[0x36] = {IN_LD, AM_MR_D8, RT_HL},
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[0x37] = {IN_SCF},
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[0x38] = {IN_JR, AM_D8, RT_NONE, RT_NONE, CT_C},
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[0x39] = {IN_ADD, AM_R_R, RT_HL, RT_SP},
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[0x3A] = {IN_LD, AM_R_HLD, RT_A, RT_HL},
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[0x3B] = {IN_DEC, AM_R, RT_SP},
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[0x3C] = {IN_INC, AM_R, RT_A},
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[0x3D] = {IN_DEC, AM_R, RT_A},
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[0x3E] = {IN_LD, AM_R_D8, RT_A},
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[0x3F] = {IN_CCF},
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//0x4X
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[0x40] = {IN_LD, AM_R_R, RT_B, RT_B},
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[0x41] = {IN_LD, AM_R_R, RT_B, RT_C},
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[0x42] = {IN_LD, AM_R_R, RT_B, RT_D},
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[0x43] = {IN_LD, AM_R_R, RT_B, RT_E},
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[0x44] = {IN_LD, AM_R_R, RT_B, RT_H},
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[0x45] = {IN_LD, AM_R_R, RT_B, RT_L},
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[0x46] = {IN_LD, AM_R_MR, RT_B, RT_HL},
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[0x47] = {IN_LD, AM_R_R, RT_B, RT_A},
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[0x48] = {IN_LD, AM_R_R, RT_C, RT_B},
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[0x49] = {IN_LD, AM_R_R, RT_C, RT_C},
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[0x4A] = {IN_LD, AM_R_R, RT_C, RT_D},
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[0x4B] = {IN_LD, AM_R_R, RT_C, RT_E},
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[0x4C] = {IN_LD, AM_R_R, RT_C, RT_H},
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[0x4D] = {IN_LD, AM_R_R, RT_C, RT_L},
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[0x4E] = {IN_LD, AM_R_MR, RT_C, RT_HL},
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[0x4F] = {IN_LD, AM_R_R, RT_C, RT_A},
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//0x5X
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[0x50] = {IN_LD, AM_R_R, RT_D, RT_B},
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[0x51] = {IN_LD, AM_R_R, RT_D, RT_C},
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[0x52] = {IN_LD, AM_R_R, RT_D, RT_D},
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[0x53] = {IN_LD, AM_R_R, RT_D, RT_E},
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[0x54] = {IN_LD, AM_R_R, RT_D, RT_H},
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[0x55] = {IN_LD, AM_R_R, RT_D, RT_L},
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[0x56] = {IN_LD, AM_R_MR, RT_D, RT_HL},
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[0x57] = {IN_LD, AM_R_R, RT_D, RT_A},
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[0x58] = {IN_LD, AM_R_R, RT_E, RT_B},
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[0x59] = {IN_LD, AM_R_R, RT_E, RT_C},
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[0x5A] = {IN_LD, AM_R_R, RT_E, RT_D},
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[0x5B] = {IN_LD, AM_R_R, RT_E, RT_E},
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[0x5C] = {IN_LD, AM_R_R, RT_E, RT_H},
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[0x5D] = {IN_LD, AM_R_R, RT_E, RT_L},
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[0x5E] = {IN_LD, AM_R_MR, RT_E, RT_HL},
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[0x5F] = {IN_LD, AM_R_R, RT_E, RT_A},
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//0x6X
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[0x60] = {IN_LD, AM_R_R, RT_H, RT_B},
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[0x61] = {IN_LD, AM_R_R, RT_H, RT_C},
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[0x62] = {IN_LD, AM_R_R, RT_H, RT_D},
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[0x63] = {IN_LD, AM_R_R, RT_H, RT_E},
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[0x64] = {IN_LD, AM_R_R, RT_H, RT_H},
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[0x65] = {IN_LD, AM_R_R, RT_H, RT_L},
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[0x66] = {IN_LD, AM_R_MR, RT_H, RT_HL},
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[0x67] = {IN_LD, AM_R_R, RT_H, RT_A},
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[0x68] = {IN_LD, AM_R_R, RT_L, RT_B},
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[0x69] = {IN_LD, AM_R_R, RT_L, RT_C},
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[0x6A] = {IN_LD, AM_R_R, RT_L, RT_D},
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[0x6B] = {IN_LD, AM_R_R, RT_L, RT_E},
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[0x6C] = {IN_LD, AM_R_R, RT_L, RT_H},
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[0x6D] = {IN_LD, AM_R_R, RT_L, RT_L},
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[0x6E] = {IN_LD, AM_R_MR, RT_L, RT_HL},
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[0x6F] = {IN_LD, AM_R_R, RT_L, RT_A},
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//0x7X
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[0x70] = {IN_LD, AM_MR_R, RT_HL, RT_B},
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[0x71] = {IN_LD, AM_MR_R, RT_HL, RT_C},
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[0x72] = {IN_LD, AM_MR_R, RT_HL, RT_D},
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[0x73] = {IN_LD, AM_MR_R, RT_HL, RT_E},
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[0x74] = {IN_LD, AM_MR_R, RT_HL, RT_H},
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[0x75] = {IN_LD, AM_MR_R, RT_HL, RT_L},
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[0x76] = {IN_HALT},
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[0x77] = {IN_LD, AM_MR_R, RT_HL, RT_A},
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[0x78] = {IN_LD, AM_R_R, RT_A, RT_B},
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[0x79] = {IN_LD, AM_R_R, RT_A, RT_C},
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[0x7A] = {IN_LD, AM_R_R, RT_A, RT_D},
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[0x7B] = {IN_LD, AM_R_R, RT_A, RT_E},
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[0x7C] = {IN_LD, AM_R_R, RT_A, RT_H},
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[0x7D] = {IN_LD, AM_R_R, RT_A, RT_L},
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[0x7E] = {IN_LD, AM_R_MR, RT_A, RT_HL},
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[0x7F] = {IN_LD, AM_R_R, RT_A, RT_A},
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//0x8X
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[0x80] = {IN_ADD, AM_R_R, RT_A, RT_B},
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[0x81] = {IN_ADD, AM_R_R, RT_A, RT_C},
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[0x82] = {IN_ADD, AM_R_R, RT_A, RT_D},
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[0x83] = {IN_ADD, AM_R_R, RT_A, RT_E},
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[0x84] = {IN_ADD, AM_R_R, RT_A, RT_H},
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[0x85] = {IN_ADD, AM_R_R, RT_A, RT_L},
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[0x86] = {IN_ADD, AM_R_MR, RT_A, RT_HL},
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[0x87] = {IN_ADD, AM_R_R, RT_A, RT_A},
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[0x88] = {IN_ADC, AM_R_R, RT_A, RT_B},
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[0x89] = {IN_ADC, AM_R_R, RT_A, RT_C},
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[0x8A] = {IN_ADC, AM_R_R, RT_A, RT_D},
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[0x8B] = {IN_ADC, AM_R_R, RT_A, RT_E},
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[0x8C] = {IN_ADC, AM_R_R, RT_A, RT_H},
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[0x8D] = {IN_ADC, AM_R_R, RT_A, RT_L},
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[0x8E] = {IN_ADC, AM_R_MR, RT_A, RT_HL},
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[0x8F] = {IN_ADC, AM_R_R, RT_A, RT_A},
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//0x9X
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[0x90] = {IN_SUB, AM_R_R, RT_A, RT_B},
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[0x91] = {IN_SUB, AM_R_R, RT_A, RT_C},
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[0x92] = {IN_SUB, AM_R_R, RT_A, RT_D},
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[0x93] = {IN_SUB, AM_R_R, RT_A, RT_E},
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[0x94] = {IN_SUB, AM_R_R, RT_A, RT_H},
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[0x95] = {IN_SUB, AM_R_R, RT_A, RT_L},
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[0x96] = {IN_SUB, AM_R_MR, RT_A, RT_HL},
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[0x97] = {IN_SUB, AM_R_R, RT_A, RT_A},
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[0x98] = {IN_SBC, AM_R_R, RT_A, RT_B},
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[0x99] = {IN_SBC, AM_R_R, RT_A, RT_C},
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[0x9A] = {IN_SBC, AM_R_R, RT_A, RT_D},
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[0x9B] = {IN_SBC, AM_R_R, RT_A, RT_E},
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[0x9C] = {IN_SBC, AM_R_R, RT_A, RT_H},
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[0x9D] = {IN_SBC, AM_R_R, RT_A, RT_L},
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[0x9E] = {IN_SBC, AM_R_MR, RT_A, RT_HL},
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[0x9F] = {IN_SBC, AM_R_R, RT_A, RT_A},
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//0xAX
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[0xA0] = {IN_AND, AM_R_R, RT_A, RT_B},
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[0xA1] = {IN_AND, AM_R_R, RT_A, RT_C},
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[0xA2] = {IN_AND, AM_R_R, RT_A, RT_D},
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[0xA3] = {IN_AND, AM_R_R, RT_A, RT_E},
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[0xA4] = {IN_AND, AM_R_R, RT_A, RT_H},
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[0xA5] = {IN_AND, AM_R_R, RT_A, RT_L},
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[0xA6] = {IN_AND, AM_R_MR, RT_A, RT_HL},
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[0xA7] = {IN_AND, AM_R_R, RT_A, RT_A},
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[0xA8] = {IN_XOR, AM_R_R, RT_A, RT_B},
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[0xA9] = {IN_XOR, AM_R_R, RT_A, RT_C},
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[0xAA] = {IN_XOR, AM_R_R, RT_A, RT_D},
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[0xAB] = {IN_XOR, AM_R_R, RT_A, RT_E},
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[0xAC] = {IN_XOR, AM_R_R, RT_A, RT_H},
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[0xAD] = {IN_XOR, AM_R_R, RT_A, RT_L},
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|
|
|
[0xAE] = {IN_XOR, AM_R_MR, RT_A, RT_HL},
|
|
|
|
|
[0xAF] = {IN_XOR, AM_R_R, RT_A, RT_A},
|
2025-01-30 21:59:05 -07:00
|
|
|
//0xBX
|
2025-01-31 12:24:55 -07:00
|
|
|
[0xB0] = {IN_OR, AM_R_R, RT_A, RT_B},
|
|
|
|
|
[0xB1] = {IN_OR, AM_R_R, RT_A, RT_C},
|
|
|
|
|
[0xB2] = {IN_OR, AM_R_R, RT_A, RT_D},
|
|
|
|
|
[0xB3] = {IN_OR, AM_R_R, RT_A, RT_E},
|
|
|
|
|
[0xB4] = {IN_OR, AM_R_R, RT_A, RT_H},
|
|
|
|
|
[0xB5] = {IN_OR, AM_R_R, RT_A, RT_L},
|
|
|
|
|
[0xB6] = {IN_OR, AM_R_MR, RT_A, RT_HL},
|
|
|
|
|
[0xB7] = {IN_OR, AM_R_R, RT_A, RT_A},
|
|
|
|
|
[0xB8] = {IN_CP, AM_R_R, RT_A, RT_B},
|
|
|
|
|
[0xB9] = {IN_CP, AM_R_R, RT_A, RT_C},
|
|
|
|
|
[0xBA] = {IN_CP, AM_R_R, RT_A, RT_D},
|
|
|
|
|
[0xBB] = {IN_CP, AM_R_R, RT_A, RT_E},
|
|
|
|
|
[0xBC] = {IN_CP, AM_R_R, RT_A, RT_H},
|
|
|
|
|
[0xBD] = {IN_CP, AM_R_R, RT_A, RT_L},
|
|
|
|
|
[0xBE] = {IN_CP, AM_R_MR, RT_A, RT_HL},
|
|
|
|
|
[0xBF] = {IN_CP, AM_R_R, RT_A, RT_A},
|
2025-01-30 21:59:05 -07:00
|
|
|
//0xCX
|
2025-01-30 22:54:33 -07:00
|
|
|
[0xC0] = {IN_RET, AM_IMP, RT_NONE, RT_NONE, CT_NZ},
|
|
|
|
|
[0xC1] = {IN_POP, AM_IMP, RT_BC},
|
|
|
|
|
[0xC2] = {IN_JP, AM_D16, RT_NONE, RT_NONE, CT_NZ},
|
2025-01-30 16:27:27 -07:00
|
|
|
[0xC3] = {IN_JP, AM_D16},
|
2025-01-30 22:54:33 -07:00
|
|
|
[0xC4] = {IN_CALL, AM_D16, RT_NONE, RT_NONE, CT_NZ},
|
|
|
|
|
[0xC5] = {IN_PUSH, AM_IMP, RT_BC},
|
2025-01-31 12:24:55 -07:00
|
|
|
[0xC6] = {IN_ADD, AM_R_D8, RT_A},
|
2025-01-30 22:54:33 -07:00
|
|
|
[0xC7] = {IN_RST, AM_IMP, RT_NONE, RT_NONE, CT_NONE, 0x00},
|
|
|
|
|
[0xC8] = {IN_RET, AM_IMP, RT_NONE, RT_NONE, CT_Z},
|
|
|
|
|
[0xC9] = {IN_RET},
|
|
|
|
|
[0xCA] = {IN_JP, AM_D16, RT_NONE, RT_NONE, CT_Z},
|
2025-01-31 12:24:55 -07:00
|
|
|
[0xCB] = {IN_CB, AM_D8},
|
2025-01-30 22:54:33 -07:00
|
|
|
[0xCC] = {IN_CALL, AM_D16, RT_NONE, RT_NONE, CT_Z},
|
|
|
|
|
[0xCD] = {IN_CALL, AM_D16},
|
2025-01-31 12:24:55 -07:00
|
|
|
[0xCE] = {IN_ADC, AM_R_D8, RT_A},
|
2025-01-30 22:54:33 -07:00
|
|
|
[0xCF] = {IN_RST, AM_IMP, RT_NONE, RT_NONE, CT_NONE, 0x08},
|
2025-01-30 21:59:05 -07:00
|
|
|
//0xDX
|
2025-01-30 22:54:33 -07:00
|
|
|
[0xD0] = {IN_RET, AM_IMP, RT_NONE, RT_NONE, CT_NC},
|
|
|
|
|
[0xD1] = {IN_POP, AM_IMP, RT_DE},
|
|
|
|
|
[0xD2] = {IN_JP, AM_D16, RT_NONE, RT_NONE, CT_NC},
|
|
|
|
|
[0xD4] = {IN_CALL, AM_D16, RT_NONE, RT_NONE, CT_NC},
|
|
|
|
|
[0xD5] = {IN_PUSH, AM_IMP, RT_DE},
|
2025-01-31 12:24:55 -07:00
|
|
|
[0xD6] = {IN_SUB, AM_R_D8, RT_A},
|
2025-01-30 22:54:33 -07:00
|
|
|
[0xD7] = {IN_RST, AM_IMP, RT_NONE, RT_NONE, CT_NONE, 0x10},
|
|
|
|
|
[0xD8] = {IN_RET, AM_IMP, RT_NONE, RT_NONE, CT_C},
|
|
|
|
|
[0xD9] = {IN_RETI},
|
|
|
|
|
[0xDA] = {IN_JP, AM_D16, RT_NONE, RT_NONE, CT_C},
|
|
|
|
|
[0xDC] = {IN_CALL, AM_D16, RT_NONE, RT_NONE, CT_C},
|
2025-01-31 12:24:55 -07:00
|
|
|
[0xDE] = {IN_SBC, AM_R_D8, RT_A},
|
2025-01-30 22:54:33 -07:00
|
|
|
[0xDF] = {IN_RST, AM_IMP, RT_NONE, RT_NONE, CT_NONE, 0x18},
|
2025-01-30 21:59:05 -07:00
|
|
|
//0xEX
|
|
|
|
|
[0xE0] = {IN_LDH, AM_A8_R, RT_NONE, RT_A},
|
2025-01-30 22:54:33 -07:00
|
|
|
[0xE1] = {IN_POP, AM_IMP, RT_HL},
|
2025-01-30 21:59:05 -07:00
|
|
|
[0xE2] = {IN_LD, AM_MR_R, RT_C, RT_A},
|
2025-01-30 22:54:33 -07:00
|
|
|
[0xE5] = {IN_PUSH, AM_IMP, RT_HL},
|
2025-01-31 12:24:55 -07:00
|
|
|
[0xE6] = {IN_AND, AM_D8},
|
2025-01-30 22:54:33 -07:00
|
|
|
[0xE7] = {IN_RST, AM_IMP, RT_NONE, RT_NONE, CT_NONE, 0x20},
|
2025-01-31 12:24:55 -07:00
|
|
|
[0xE8] = {IN_ADD, AM_R_D8, RT_SP},
|
2025-01-30 22:54:33 -07:00
|
|
|
[0xE9] = {IN_JP, AM_MR, RT_HL},
|
2025-01-30 21:59:05 -07:00
|
|
|
[0xEA] = {IN_LD, AM_A16_R, RT_NONE, RT_A},
|
2025-01-31 12:24:55 -07:00
|
|
|
[0xEE] = {IN_XOR, AM_D8},
|
2025-01-30 22:54:33 -07:00
|
|
|
[0xEF] = {IN_RST, AM_IMP, RT_NONE, RT_NONE, CT_NONE, 0x28},
|
2025-01-30 21:59:05 -07:00
|
|
|
//0xFX
|
|
|
|
|
[0xF0] = {IN_LDH, AM_R_A8, RT_A},
|
2025-01-30 22:54:33 -07:00
|
|
|
[0xF1] = {IN_POP, AM_IMP, RT_AF},
|
2025-01-30 21:59:05 -07:00
|
|
|
[0xF2] = {IN_LD, AM_R_MR, RT_A, RT_C},
|
2025-01-30 18:38:29 -07:00
|
|
|
[0xF3] = {IN_DI},
|
2025-01-30 22:54:33 -07:00
|
|
|
[0xF5] = {IN_PUSH, AM_IMP, RT_AF},
|
2025-01-31 12:24:55 -07:00
|
|
|
[0xF6] = {IN_OR, AM_D8},
|
2025-01-30 22:54:33 -07:00
|
|
|
[0xF7] = {IN_RST, AM_IMP, RT_NONE, RT_NONE, CT_NONE, 0x30},
|
2025-01-31 12:24:55 -07:00
|
|
|
[0xF8] = {IN_LD, AM_HL_SPR, RT_HL, RT_SP},
|
|
|
|
|
[0xF9] = {IN_LD, AM_R_R, RT_HL, RT_SP},
|
2025-01-30 21:59:05 -07:00
|
|
|
[0xFA] = {IN_LD, AM_R_A16, RT_A},
|
2025-01-31 12:24:55 -07:00
|
|
|
[0xFB] = {IN_EI},
|
|
|
|
|
[0xFE] = {IN_CP, AM_D8},
|
2025-01-30 22:54:33 -07:00
|
|
|
[0xFF] = {IN_RST, AM_IMP, RT_NONE, RT_NONE, CT_NONE, 0x38}
|
2025-01-30 16:27:27 -07:00
|
|
|
};
|
|
|
|
|
|
|
|
|
|
instruction *instruction_by_opcode(u8 opcode) {
|
|
|
|
|
return &instructions[opcode];
|
2025-01-30 17:03:56 -07:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
char *inst_lookup[] = {
|
|
|
|
|
"<NONE>",
|
|
|
|
|
"NOP",
|
|
|
|
|
"LD",
|
|
|
|
|
"INC",
|
|
|
|
|
"DEC",
|
|
|
|
|
"RLCA",
|
|
|
|
|
"ADD",
|
|
|
|
|
"RRCA",
|
|
|
|
|
"STOP",
|
|
|
|
|
"RLA",
|
|
|
|
|
"JR",
|
|
|
|
|
"RRA",
|
|
|
|
|
"DAA",
|
|
|
|
|
"CPL",
|
|
|
|
|
"SCF",
|
|
|
|
|
"CCF",
|
|
|
|
|
"HALT",
|
|
|
|
|
"ADC",
|
|
|
|
|
"SUB",
|
|
|
|
|
"SBC",
|
|
|
|
|
"AND",
|
|
|
|
|
"XOR",
|
|
|
|
|
"OR",
|
|
|
|
|
"CP",
|
|
|
|
|
"POP",
|
|
|
|
|
"JP",
|
|
|
|
|
"PUSH",
|
|
|
|
|
"RET",
|
|
|
|
|
"CB",
|
|
|
|
|
"CALL",
|
|
|
|
|
"RETI",
|
|
|
|
|
"LDH",
|
|
|
|
|
"JPHL",
|
|
|
|
|
"DI",
|
|
|
|
|
"EI",
|
|
|
|
|
"RST",
|
|
|
|
|
"IN_ERR",
|
|
|
|
|
"IN_RLC",
|
|
|
|
|
"IN_RRC",
|
|
|
|
|
"IN_RL",
|
|
|
|
|
"IN_RR",
|
|
|
|
|
"IN_SLA",
|
|
|
|
|
"IN_SRA",
|
|
|
|
|
"IN_SWAP",
|
|
|
|
|
"IN_SRL",
|
|
|
|
|
"IN_BIT",
|
|
|
|
|
"IN_RES",
|
|
|
|
|
"IN_SET"
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
char *inst_name(in_type t) {
|
|
|
|
|
return inst_lookup[t];
|
2025-01-30 16:27:27 -07:00
|
|
|
}
|
