#ifndef _OPCODEPC #define _OPCODEPC #include "CPU.h" enum _INSTRUCTION{ ADC = 1, LDA, TAX, BRK, STA, INX, }; struct _OPCODE{ enum _INSTRUCTION instruction; enum adressing_mode mode; int bytes; }OPCODE[0xFF]; void init_opcode_pc(){ /*LDA*/ OPCODE[0xA9] = (struct _OPCODE){LDA, Immediate, 2}; OPCODE[0xA5] = (struct _OPCODE){LDA, ZeroPage, 2}; OPCODE[0xB5] = (struct _OPCODE){LDA, ZeroPage_X, 2}; OPCODE[0XAD] = (struct _OPCODE){LDA, Absolute, 3}; OPCODE[0xBD] = (struct _OPCODE){LDA, Absolute_X, 3}; OPCODE[0xB9] = (struct _OPCODE){LDA, Absolute_Y, 3}; OPCODE[0xA1] = (struct _OPCODE){LDA, Indirect_X, 2}; OPCODE[0xB1] = (struct _OPCODE){LDA, Indirect_Y, 2}; /*BRK*/ OPCODE[0x00] = (struct _OPCODE){BRK, NoneAddressing, 1}; /*TAX*/ OPCODE[0xAA] = (struct _OPCODE){TAX, NoneAddressing, 1}; /*STA*/ OPCODE[0x85] = (struct _OPCODE){STA, ZeroPage, 2}; OPCODE[0x95] = (struct _OPCODE){STA, ZeroPage_X, 2}; OPCODE[0x8D] = (struct _OPCODE){STA, Absolute, 3}; OPCODE[0x9D] = (struct _OPCODE){STA, Absolute_X, 3}; OPCODE[0x99] = (struct _OPCODE){STA, Absolute_Y, 3}; OPCODE[0x81] = (struct _OPCODE){STA, Indirect_X, 2}; OPCODE[0x91] = (struct _OPCODE){STA, Indirect_Y, 2}; /*INX*/ OPCODE[0xE8] = (struct _OPCODE){INX, NoneAddressing, 1}; } #endif