173 lines
9.3 KiB
C
173 lines
9.3 KiB
C
#ifndef OPCODES_H
|
|
#define OPCODES_H
|
|
|
|
/* 0 */
|
|
#define BRK 0x00 // Break;
|
|
#define ORA_XZi 0x01 // OR memory with accumulator, X-indexed zero page indirect
|
|
#define ORA_Z 0x05 // OR memory with accumulator, zero page
|
|
#define ASL_Z 0x06 // Arithmetic shift left, zero page
|
|
#define PHP 0x08 // Push processor status on stack
|
|
#define ORA_I 0x09 // OR memory with accumulator, immediate
|
|
#define ASL 0x0a // Arithmetic shift left, accumulator
|
|
#define ORA_A 0x0d // OR memory with accumulator, absolute
|
|
#define ASL_A 0x0e // Arithmetic shift left, absolute
|
|
/* 9 */
|
|
#define BPL 0x10 // Branch on result plus
|
|
#define ORA_ZiY 0x11 // OR memory with accumulator, zero page indirect Y-indexed
|
|
#define ORA_XZ 0x15 // OR memory with accumulator, X-indexed zero page
|
|
#define ASL_XZ 0x16 // Arithmetic shift left, X-indexed zero page
|
|
#define CLC 0x18 // Clear carry flag
|
|
#define ORA_YA 0x19 // OR memory with accumulator, Y-indexed absolute
|
|
#define ORA_XA 0x1d // OR memory with accumulator, X-indexed absolute
|
|
#define ASL_XA 0x1e // Arithmetic shift left, X-indexed absolute
|
|
/* 17 */
|
|
#define JSR 0x20 // Jump to subroutine
|
|
#define AND_XZi 0x21 // AND memory with accumulator, X-indexed zero page indirect
|
|
#define BIT_Z 0x24 // Test bist in memory with accumulator, zero page
|
|
#define AND_Z 0x25 // AND memory with accumulator, zero page
|
|
#define ROL_Z 0x26 // Rotate left, zero page
|
|
#define PLP 0x28 // Pull processor status from stack
|
|
#define AND_I 0x29 // AND memory with accumulator, immediate
|
|
#define ROL 0x2a // Rotate left, accumulator
|
|
#define BIT_A 0x2c // Test bist in memory with accumulator, absolute
|
|
#define AND_A 0x2d // AND memory with accumulator, absolute
|
|
#define ROL_A 0x2e // Rotate left, absolute
|
|
/* 28 */
|
|
#define BMI 0x30 // Branch on result minus
|
|
#define AND_ZiY 0x31 // AND memory with accumulator, zero page indirect Y-indexed
|
|
#define AND_XZ 0x35 // AND memory with accumulator, X-indexed zero page
|
|
#define ROL_XZ 0x36 // Rotate left, X-indexed zero page
|
|
#define SEC 0x38 // Set carry flag
|
|
#define AND_YA 0x39 // AND memory with accumulator, Y-indexed absolute
|
|
#define AND_XA 0x3d // AND memory with accumulator, X-indexed absolute
|
|
#define ROL_XA 0x3e // Rotate left, X-indexed absolute
|
|
/* 36 */
|
|
#define RTI 0x40 // Return from interrupt
|
|
#define EOR_XZi 0x41 // XOR with accumulator, X-indexed zero page indirect
|
|
#define EOR_Z 0x45 // XOR with accumulator, zero page
|
|
#define LSR_Z 0x46 // Logical shift right, zero page
|
|
#define PHA 0x48 // Push accumulator on stack
|
|
#define EOR_I 0x49 // XOR with accumulator, immediate
|
|
#define LSR 0x4a // Logical shift right, accumulator
|
|
#define JMP_A 0x4c // Jump indirect, absolute
|
|
#define EOR_A 0x4d // XOR with accumulator, absolute
|
|
#define LSR_A 0x4e // Logical shift right, absolute
|
|
/* 46 */
|
|
#define BVC 0x50 // Branch on overflow clear
|
|
#define EOR_ZiY 0x51 // XOR with accumulator, zero page indirect Y-indexed
|
|
#define EOR_XZ 0x55 // XOR with accumulator, X-indexed zero page
|
|
#define LSR_XZ 0x56 // Logical shift right, X-indexed zero page
|
|
#define CLI 0x58 // Clear interrupt disable
|
|
#define EOR_YA 0x59 // XOR with accumulator, Y-indexed absolute
|
|
#define EOR_XA 0x5d // XOR with accumulator, X-indexed absolute
|
|
#define LSR_XA 0x5e // Logical shift right, X-indexed absolute
|
|
/* 54 */
|
|
#define RTS 0x60 // Return from subroutine
|
|
#define ADC_XZi 0x61 // Add memory to accumulator with carry, X-indexed zero page indirect
|
|
#define ADC_Z 0x65 // Add memory to accumulator with carry, zero page
|
|
#define ROR_Z 0x66 // Rotate right, zero page
|
|
#define PLA 0x68 // Pull accumulator from stack
|
|
#define ADC_I 0x69 // Add memory to accumulator with carry, immediate
|
|
#define ROR 0x6a // Rotate right, accumulator
|
|
#define JMP_Ai 0x6c // Jump indirect, absolute indirect
|
|
#define ADC_A 0x6d // Add memory to accumulator with carry, absolute
|
|
#define ROR_A 0x6e // Rotate right, absolute
|
|
/* 64 */
|
|
#define BVS 0x70 // Branch on overflow set
|
|
#define ADC_ZiY 0x71 // Add memory to accumulator with carry, zero page indirect Y-indexed
|
|
#define ADC_XZ 0x75 // Add memory to accumulator with carry, X-indexed zero page
|
|
#define ROR_XZ 0x76 // Rotate right, X-indexed zero page
|
|
#define SEI 0x78 // Set Interrupt Disable
|
|
#define ADC_YA 0x79 // Add memory to accumulator with carry, Y-indexed absolute
|
|
#define ADC_XA 0x7d // Add memory to accumulator with carry, X-indexed absolute
|
|
#define ROR_XA 0x7e // Rotate right, X-indexed absolute
|
|
/* 72 */
|
|
#define STA_XZi 0x81 // Store accumulator in memory, X-indexed zero page indirect
|
|
#define STY_Z 0x84 // Store Y in memory, zero page
|
|
#define STA_Z 0x85 // Store accumulator in memory, zero page
|
|
#define STX_Z 0x86 // Store X in memory, zero page
|
|
#define DEY 0x88 // Decrement Y by one
|
|
#define TXA 0x8a // Transfer X to accumulator
|
|
#define STY_A 0x8c // Store Y in memory, absolute
|
|
#define STA_A 0x8d // Store accumulator in memory, absolute
|
|
#define STX_A 0x8e // Store X in memory, absolute
|
|
/* 81 */
|
|
#define BCC 0x90 // Branch on carry clear
|
|
#define STA_ZiY 0x91 // Store accumulator in memory, zero page indirect Y-indexed
|
|
#define STY_XZ 0x94 // Store Y in memory, X-indexed zero page
|
|
#define STA_XZ 0x95 // Store accumulator in memory, X-indexed zero page
|
|
#define STX_YZ 0x96 // Store X in memory, Y-indexed zero page
|
|
#define TYA 0x98 // Transfer Y to accumulator
|
|
#define STA_YA 0x99 // Store accumulator to memory, Y-indexed absolute
|
|
#define TXS 0x9a // Transfer X to stack pointer
|
|
#define STA_XA 0x9d // Store accumulator to memory, X-indexed absolute
|
|
/* 90 */
|
|
#define LDY_I 0xa0 // Load Y from memory, immediate
|
|
#define LDA_XZi 0xa1 // Load accumulator from memory, X-indexed zero page indirect
|
|
#define LDX_I 0xa2 // Load X from memory, immediate
|
|
#define LDY_Z 0xa4 // Load Y from memory, zero page
|
|
#define LDA_Z 0xa5 // Load accumulator from memory, zero page
|
|
#define LDX_Z 0xa6 // Load X from memory, zero page
|
|
#define TAY 0xa8 // Transfer accumulator to Y
|
|
#define LDA_I 0xa9 // Load accumulator from memory, immediate
|
|
#define TAX 0xaa // Transfer accumulator to X
|
|
#define LDY_A 0xac // Load Y from memory, absolute
|
|
#define LDA_A 0xad // Load accumulator from memory, absolute
|
|
#define LDX_A 0xae // Load X from memory, absolute
|
|
/* 102 */
|
|
#define BCS 0xb0 // Branch on carry set
|
|
#define LDA_ZiY 0xb1 // Load accumulator from memory, zero page indirect Y-indexed
|
|
#define LDY_XZ 0xb4 // Load Y from memory, X-indexed zero page
|
|
#define LDA_XZ 0xb5 // Load A from memory, X-indexed zero page
|
|
#define LDX_YZ 0xb6 // Load X from memory, Y-indexed zero page
|
|
#define CLV 0xb8 // Clear overflow flag
|
|
#define LDA_YA 0xb9 // Load A from memory, Y-indexed absolute
|
|
#define TSX 0xba // Transfer stack pointer to X
|
|
#define LDY_XA 0xbc // Load Y from memory, X-indexed absolute
|
|
#define LDA_XA 0xbd // Load A from memory, X-indexed absolute
|
|
#define LDX_YA 0xbe // Load X from memory, Y-indexed absolute
|
|
/* 113 */
|
|
#define CPY_I 0xc0 // Compare Y to memory, immediate
|
|
#define CMP_XZi 0xc1 // Compare accumulator to memory, X-indexed zero page indirect
|
|
#define CPY_Z 0xc4 // Compare Y to memory, zero page
|
|
#define CMP_Z 0xc5 // Compare accumulator to memory, zero page
|
|
#define DEC_Z 0xc6 // Decrement memory by one, zero page
|
|
#define INY 0xc8 // Increment Y by one
|
|
#define CMP_I 0xc9 // Compare accumulator to memory, immediate
|
|
#define DEX 0xca // Decrement X by one
|
|
#define CPY_A 0xcc // Compare Y to memory, absolute
|
|
#define CMP_A 0xcd // Compare accumulator to memory, absolute
|
|
#define DEC_A 0xce // Decrement memory by one, absolute
|
|
/* 124 */
|
|
#define BNE 0xd0 // Branch on result not zero
|
|
#define CMP_ZiY 0xd1 // Compare accumulator to memory, zero page indirect Y-indexed
|
|
#define CMP_XZ 0xd5 // Compare accumulator to memory, X-indexed zero page
|
|
#define DEC_XZ 0xd6 // Decrement memory by one, X-indexed zero page
|
|
#define CLD 0xd8 // Clear decimal mode
|
|
#define CMP_YA 0xd9 // Compare accumulator to memory, Y-indexed absolute
|
|
#define CMP_XA 0xdd // Compare accumulator to memory, X-indexed absolute
|
|
#define DEC_XA 0xde // Decrement memory by one, X-indexed absolute
|
|
/* 132 */
|
|
#define CPX_I 0xe0 // Compare X to memory, immediate
|
|
#define SBC_XZi 0xe1 // Subtract memory from accumulator with borrow, X-indexed zero page indirect
|
|
#define CPX_Z 0xe4 // Compare X to memory, zero page
|
|
#define SBC_Z 0xe5 // Subtract memory from accumulator with borrow, zero page
|
|
#define INC_Z 0xe6 // Increment memory by one, zero page
|
|
#define INX 0xe8 // Increment X by one
|
|
#define SBC_I 0xe9 // Subtract memory from accumulator with borrow, immediate
|
|
#define NOP 0xea // No operation
|
|
#define CPX_A 0xec // Compare X to memory, absolute
|
|
#define SBC_A 0xed // Subtract memory from accumulator with borrow, absolute
|
|
#define INC_A 0xee // Increment memory by one, absolute
|
|
/* 143 */
|
|
#define BEQ 0xf0 // Branch on result zero
|
|
#define SBC_ZiY 0xf1 // Subtract memory from accumulator with borrow, zero page indirect Y-indexed
|
|
#define SBC_XZ 0xf5 // Subtract memory from accumulator with borrow, X-indexed zero page
|
|
#define INC_XZ 0xf6 // Increment memory by one, X-indexed zero page
|
|
#define SED 0xf8 // Set decimal mode
|
|
#define SBC_YA 0xf9 // Subtract memory from accumulator with borrow, Y-indexed absolute
|
|
#define SBC_XA 0xfd // Subtract memory from accumulator with borrow, X-indexed absolute
|
|
#define INC_XA 0xfe // Increment memory by one, X-indexed absolute
|
|
/* 151 */
|
|
|
|
#endif // OPCODES_H
|