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517 lines
11 KiB
PHP
517 lines
11 KiB
PHP
; opcodes.inc
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; ca65 6502 - opcode definitions, mainly for self modifying code
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;
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; Christian Krüger, latest change: 18-Sep-2010
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;
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; This software is provided 'as-is', without any expressed or implied
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; warranty. In no event will the authors be held liable for any damages
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; arising from the use of this software.
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;
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; Permission is granted to anyone to use this software for any purpose,
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; including commercial applications, and to alter it and redistribute it
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; freely, subject to the following restrictions:
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;
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; 1. The origin of this software must not be misrepresented; you must not
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; claim that you wrote the original software. If you use this software
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; in a product, an acknowledgment in the product documentation would be
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; appreciated but is not required.
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; 2. Altered source versions must be plainly marked as such, and must not
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; be misrepresented as being the original software.
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; 3. This notice may not be removed or altered from any source
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; distribution.
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;
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; Opcode-Table
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; ------------
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; Post fix explanation:
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; imm = #$00
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; zp = $00
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; zpx = $00,X
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; zpy = $00,Y
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; izp = ($00)
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; izx = ($00,X)
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; izy = ($00),Y
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; abs = $0000
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; abx = $0000,X
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; aby = $0000,Y
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; ind = ($0000)
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; iax = ($0000,X)
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; rel = $0000 (PC-relative) (supressed here)
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.macpack cpu
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OPC_BRK = $00
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OPC_ORA_izx = $01
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OPC_ORA_zp = $05
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OPC_ASL_zp = $06
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OPC_PHP = $08
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OPC_ORA_imm = $09
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OPC_ASL = $0A
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OPC_ORA_abs = $0D
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OPC_ASL_abs = $0E
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OPC_BPL = $10
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OPC_ORA_izy = $11
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OPC_ORA_zpx = $15
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OPC_ASL_zpx = $16
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OPC_CLC = $18
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OPC_ORA_aby = $19
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OPC_ORA_abx = $1D
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OPC_ASL_abx = $1E
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OPC_JSR_abs = $20
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OPC_AND_izx = $21
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OPC_BIT_zp = $24
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OPC_AND_zp = $25
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OPC_ROL_zp = $26
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OPC_PLP = $28
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OPC_AND_imm = $29
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OPC_ROL = $2A
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OPC_BIT_abs = $2C
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OPC_AND_abs = $2D
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OPC_ROL_abs = $2E
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OPC_BMI = $30
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OPC_AND_izy = $31
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OPC_AND_zpx = $35
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OPC_ROL_zpx = $36
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OPC_SEC = $38
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OPC_AND_aby = $39
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OPC_AND_abx = $3D
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OPC_ROL_abx = $3E
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OPC_RTI = $40
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OPC_EOR_izx = $41
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OPC_EOR_zp = $45
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OPC_LSR_zp = $46
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OPC_PHA = $48
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OPC_EOR_imm = $49
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OPC_LSR = $4A
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OPC_JMP_abs = $4C
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OPC_EOR_abs = $4D
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OPC_LSR_abs = $4E
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OPC_BVC = $50
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OPC_EOR_izy = $51
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OPC_EOR_zpx = $55
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OPC_LSR_zpx = $56
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OPC_CLI = $58
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OPC_EOR_aby = $59
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OPC_EOR_abx = $5D
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OPC_LSR_abx = $5E
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OPC_RTS = $60
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OPC_ADC_izx = $61
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OPC_ADC_zp = $65
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OPC_ROR_zp = $66
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OPC_PLA = $68
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OPC_ADC_imm = $69
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OPC_ROR = $6A
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OPC_JMP_ind = $6C
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OPC_ADC_abs = $6D
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OPC_ROR_abs = $6E
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OPC_BVS = $70
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OPC_ADC_izy = $71
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OPC_ADC_zpx = $75
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OPC_ROR_zpx = $76
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OPC_SEI = $78
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OPC_ADC_aby = $79
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OPC_ADC_abx = $7D
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OPC_ROR_abx = $7E
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OPC_STA_izx = $81
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OPC_STY_zp = $84
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OPC_STA_zp = $85
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OPC_STX_zp = $86
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OPC_DEY = $88
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OPC_TXA = $8A
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OPC_STY_abs = $8C
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OPC_STA_abs = $8D
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OPC_STX_abs = $8E
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OPC_BCC = $90
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OPC_STA_izy = $91
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OPC_STY_zpx = $94
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OPC_STA_zpx = $95
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OPC_STX_zpy = $96
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OPC_TYA = $98
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OPC_STA_aby = $99
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OPC_TXS = $9A
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OPC_STA_abx = $9D
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OPC_LDY_imm = $A0
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OPC_LDA_izx = $A1
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OPC_LDX_imm = $A2
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OPC_LDY_zp = $A4
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OPC_LDA_zp = $A5
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OPC_LDX_zp = $A6
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OPC_TAY = $A8
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OPC_LDA_imm = $A9
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OPC_TAX = $AA
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OPC_LDY_abs = $AC
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OPC_LDA_abs = $AD
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OPC_LDX_abs = $AE
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OPC_BCS = $B0
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OPC_LDA_izy = $B1
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OPC_LDY_zpx = $B4
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OPC_LDA_zpx = $B5
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OPC_LDX_zpy = $B6
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OPC_CLV = $B8
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OPC_LDA_aby = $B9
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OPC_TSX = $BA
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OPC_LDY_abx = $BC
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OPC_LDA_abx = $BD
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OPC_LDX_aby = $BE
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OPC_CPY_imm = $C0
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OPC_CMP_izx = $C1
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OPC_CPY_zp = $C4
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OPC_CMP_zp = $C5
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OPC_DEC_zp = $C6
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OPC_INY = $C8
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OPC_CMP_imm = $C9
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OPC_DEX = $CA
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OPC_CPY_abs = $CC
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OPC_CMP_abs = $CD
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OPC_DEC_abs = $CE
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OPC_BNE = $D0
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OPC_CMP_izy = $D1
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OPC_CMP_zpx = $D5
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OPC_DEC_zpx = $D6
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OPC_CLD = $D8
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OPC_CMP_aby = $D9
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OPC_CMP_abx = $DD
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OPC_DEC_abx = $DE
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OPC_CPX_imm = $E0
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OPC_SBC_izx = $E1
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OPC_CPX_zp = $E4
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OPC_SBC_zp = $E5
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OPC_INC_zp = $E6
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OPC_INX = $E8
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OPC_SBC_imm = $E9
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OPC_NOP = $EA
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OPC_CPX_abs = $EC
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OPC_SBC_abs = $ED
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OPC_INC_abs = $EE
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OPC_BEQ = $F0
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OPC_SBC_izy = $F1
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OPC_SBC_zpx = $F5
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OPC_INC_zpx = $F6
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OPC_SED = $F8
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OPC_SBC_aby = $F9
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OPC_SBC_abx = $FD
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OPC_INC_abx = $FE
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.if (.cpu .bitand ::CPU_ISET_65SC02)
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; OPC_NOP = $02 ; doublet
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; OPC_NOP = $03 ; doublet
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OPC_TSB_zp = $04
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; OPC_NOP = $0B ; doublet
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OPC_TSB_abs = $0C
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OPC_ORA_izp = $12
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; OPC_NOP = $13 ; doublet
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OPC_TRB_zp = $14
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OPC_INC = $1A
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; OPC_NOP = $1B ; doublet
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OPC_TRB_abs = $1C
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; OPC_NOP = $22 ; doublet
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; OPC_NOP = $23 ; doublet
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; OPC_NOP = $2B ; doublet
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OPC_AND_izp = $32
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; OPC_NOP = $33 ; doublet
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OPC_BIT_zpx = $34
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OPC_DEC = $3A
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; OPC_NOP = $3B ; doublet
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OPC_BIT_abx = $3C
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; OPC_NOP = $42 ; doublet
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; OPC_NOP = $43 ; doublet
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; OPC_NOP = $44 ; doublet
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; OPC_NOP = $4B ; doublet
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OPC_EOR_izp = $52
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; OPC_NOP = $53 ; doublet
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; OPC_NOP = $54 ; doublet
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; OPC_NOP = $5A ; doublet
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; OPC_NOP = $5B ; doublet
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; OPC_NOP = $62 ; doublet
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; OPC_NOP = $63 ; doublet
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OPC_STZ_zp = $64
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; OPC_NOP = $6B ; doublet
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OPC_ADC_izp = $72
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; OPC_NOP = $73 ; doublet
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OPC_STZ_zpx = $74
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OPC_PLY = $7A
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; OPC_NOP = $7B ; doublet
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OPC_JMP_iax = $7C
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OPC_BRA = $80
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; OPC_NOP = $82 ; doublet
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; OPC_NOP = $83 ; doublet
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OPC_BIT_imm = $89
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; OPC_NOP = $8B ; doublet
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OPC_STA_izp = $92
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; OPC_NOP = $93 ; doublet
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; OPC_NOP = $9B ; doublet
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OPC_STZ_abs = $9C
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OPC_STZ_abx = $9E
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; OPC_NOP = $A3 ; doublet
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; OPC_NOP = $AB ; doublet
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OPC_LDA_izp = $B2
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; OPC_NOP = $B3 ; doublet
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; OPC_NOP = $BB ; doublet
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; OPC_NOP = $C2 ; doublet
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; OPC_NOP = $C3 ; doublet
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; OPC_NOP = $CB ; doublet
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OPC_CMP_izp = $D2
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; OPC_NOP = $D3 ; doublet
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; OPC_NOP = $D4 ; doublet
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OPC_PHX = $DA
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; OPC_NOP = $DB ; doublet
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; OPC_NOP = $DC ; doublet
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; OPC_NOP = $E2 ; doublet
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; OPC_NOP = $E3 ; doublet
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; OPC_NOP = $EB ; doublet
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OPC_SBC_izp = $F2
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; OPC_NOP = $F3 ; doublet
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; OPC_NOP = $F4 ; doublet
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OPC_PLX = $FA
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; OPC_NOP = $FB ; doublet
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; OPC_NOP = $FC ; doublet
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.if (.cpu .bitand ::CPU_ISET_65C02)
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; bit instructions for 65C02
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OPC_RMB0 = $07
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OPC_RMB1 = $17
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OPC_RMB2 = $27
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OPC_RMB3 = $37
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OPC_RMB4 = $47
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OPC_RMB5 = $57
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OPC_RMB6 = $67
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OPC_RMB7 = $77
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OPC_SMB0 = $87
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OPC_SMB1 = $97
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OPC_SMB2 = $A7
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OPC_SMB3 = $B7
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OPC_SMB4 = $C7
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OPC_SMB5 = $D7
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OPC_SMB6 = $E7
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OPC_SMB7 = $F7
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OPC_BBR0 = $0F
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OPC_BBR1 = $1F
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OPC_BBR2 = $2F
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OPC_BBR3 = $3F
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OPC_BBR4 = $4F
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OPC_BBR5 = $5F
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OPC_BBR6 = $6F
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OPC_BBR7 = $7F
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OPC_BBS0 = $8F
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OPC_BBS1 = $9F
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OPC_BBS2 = $AF
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OPC_BBS3 = $BF
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OPC_BBS4 = $CF
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OPC_BBS5 = $DF
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OPC_BBS6 = $EF
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OPC_BBS7 = $FF
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.else
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; no bit instructions for 65SC02
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; OPC_NOP = $07 ; doublet
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; OPC_NOP = $17 ; doublet
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; OPC_NOP = $27 ; doublet
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; OPC_NOP = $37 ; doublet
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; OPC_NOP = $47 ; doublet
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; OPC_NOP = $57 ; doublet
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; OPC_NOP = $67 ; doublet
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; OPC_NOP = $77 ; doublet
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; OPC_NOP = $87 ; doublet
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; OPC_NOP = $97 ; doublet
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; OPC_NOP = $A7 ; doublet
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; OPC_NOP = $B7 ; doublet
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; OPC_NOP = $C7 ; doublet
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; OPC_NOP = $D7 ; doublet
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; OPC_NOP = $E7 ; doublet
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; OPC_NOP = $F7 ; doublet
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; OPC_NOP = $0F ; doublet
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; OPC_NOP = $1F ; doublet
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; OPC_NOP = $2F ; doublet
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; OPC_NOP = $3F ; doublet
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; OPC_NOP = $4F ; doublet
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; OPC_NOP = $5F ; doublet
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; OPC_NOP = $6F ; doublet
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; OPC_NOP = $7F ; doublet
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; OPC_NOP = $8F ; doublet
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; OPC_NOP = $9F ; doublet
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; OPC_NOP = $AF ; doublet
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; OPC_NOP = $BF ; doublet
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; OPC_NOP = $CF ; doublet
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; OPC_NOP = $DF ; doublet
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; OPC_NOP = $EF ; doublet
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; OPC_NOP = $FF ; doublet
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.endif
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.elseif (.cpu .bitand ::CPU_ISET_6502X)
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; stable, undocumented opcodes
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; OPC_KIL = $02 ; unstable
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OPC_SLO_izx = $03
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OPC_NOP_zp = $04
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OPC_SLO_zp = $07
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OPC_ANC_imm = $0B
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OPC_NOP_abs = $0C
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OPC_SLO_abs = $0F
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; OPC_KIL = $12 ; unstable
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OPC_SLO_izy = $13
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OPC_NOP_zpx = $14
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OPC_SLO_zpx = $17
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;OPC_NOP = $1A
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OPC_SLO_aby = $1B
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OPC_NOP_abx = $1C
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OPC_SLO_abx = $1F
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; OPC_KIL = $22 ; unstable
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OPC_RLA_izx = $23
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OPC_RLA_zp = $27
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OPC_ANC_imm = $2B
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OPC_RLA_abs = $2F
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; OPC_KIL = $32 ; unstable
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OPC_RLA_izy = $33
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OPC_NOP_zpx = $34
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OPC_RLA_zpx = $37
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; OPC_NOP = $3A ; doublet
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OPC_RLA_aby = $3B
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OPC_NOP_abx = $3C
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OPC_RLA_abx = $3F
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; OPC_KIL = $42 ; unstable
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OPC_SRE_izx = $43
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OPC_NOP_zp = $44
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OPC_SRE_zp = $47
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OPC_ALR_imm = $4B
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OPC_SRE_abs = $4F
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; OPC_KIL = $52 ; unstable
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OPC_SRE_izy = $53
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OPC_NOP_zpx = $54
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OPC_SRE_zpx = $57
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; OPC_NOP = $5A ; doublet
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OPC_SRE_aby = $5B
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OPC_NOP_abx = $5C
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OPC_SRE_abx = $5F
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; OPC_KIL = $62
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OPC_RRA_izx = $63
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OPC_NOP_zp = $64
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OPC_RRA_zp = $67
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OPC_ARR_imm = $6B
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OPC_RRA_abs = $6F
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; OPC_KIL = $72
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OPC_RRA_izy = $73
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OPC_NOP_zpx = $74
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OPC_RRA_zpx = $77
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; OPC_NOP = $7A ; doublet
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OPC_RRA_aby = $7B
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OPC_NOP_abx = $7C
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OPC_RRA_abx = $7F
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OPC_NOP_imm = $80
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; OPC_NOP_imm = $82 ; doublet
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OPC_SAX_izx = $83
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OPC_SAX_zp = $87
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; OPC_NOP_imm = $89 ; doublet
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; OPC_XAA = $8B ; unstable
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OPC_SAX_abs = $8F
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; OPC_KIL = $92 ; unstable
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; OPC_AHX_izy = $93 ; unstable
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OPC_SAX_zpy = $97
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; OPC_TAS_aby = $9B ; unstable
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; OPC_SHY_abx = $9C ; unstable
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; OPC_SHX_aby = $9E ; unstable
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; OPC_AHX_aby = $9F ; unstable
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OPC_LAX_izx = $A3
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OPC_LAX_zp = $A7
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; OPC_LAX_imm = $AB ; unstable
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OPC_LAX_abs = $AF
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; OPC_KIL = $B2 ; unstable
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OPC_LAX_izy = $B3
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OPC_LAX_zpy = $B7
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OPC_LAS_aby = $BB
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OPC_LAX_aby = $BF
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; OPC_NOP_imm = $C2 ; doublet
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OPC_DCP_izx = $C3
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OPC_DCP_zp = $C7
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OPC_AXS_imm = $CB
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OPC_DCP_abs = $CF
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|
|
|
; OPC_KIL = $D2 ; unstable
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OPC_DCP_izy = $D3
|
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OPC_NOP_zpx = $D4
|
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OPC_DCP_zpx = $D7
|
|
OPC_NOP_DA = $DA
|
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OPC_DCP_aby = $DB
|
|
OPC_NOP_abx = $DC
|
|
OPC_DCP_abx = $DF
|
|
|
|
; OPC_NOP_imm = $E2 ; doublet
|
|
OPC_ISC_izx = $E3
|
|
OPC_ISC_zp = $E7
|
|
; OPC_SBC_imm = $EB ; doublet
|
|
OPC_ISC_abs = $EF
|
|
|
|
; OPC_KIL = $F2 ; unstable
|
|
OPC_ISC_izy = $F3
|
|
OPC_NOP_zpx = $F4
|
|
OPC_ISC_zpx = $F7
|
|
OPC_NOP_FA = $FA
|
|
OPC_ISC_aby = $FB
|
|
OPC_NOP_abx = $FC
|
|
OPC_ISC_abx = $FF
|
|
|
|
.if (.cpu .bitand ::CPU_ISET_6502DTV)
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|
|
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OPC_BRA = $12
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|
OPC_SAC_imm = $32
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|
OPC_SIR_imm = $42
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|
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.endif
|
|
|
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.endif
|