mirror of
https://github.com/cc65/cc65.git
synced 2024-08-14 14:29:07 +00:00
510 lines
12 KiB
PHP
510 lines
12 KiB
PHP
; opcodes.inc
|
|
; ca65 6502 - opcode definitions, mainly for self modifying code
|
|
;
|
|
; Christian Krüger, latest change: 18-Sep-2010
|
|
;
|
|
; This software is provided 'as-is', without any expressed or implied
|
|
; warranty. In no event will the authors be held liable for any damages
|
|
; arising from the use of this software.
|
|
;
|
|
; Permission is granted to anyone to use this software for any purpose,
|
|
; including commercial applications, and to alter it and redistribute it
|
|
; freely, subject to the following restrictions:
|
|
;
|
|
; 1. The origin of this software must not be misrepresented; you must not
|
|
; claim that you wrote the original software. If you use this software
|
|
; in a product, an acknowledgment in the product documentation would be
|
|
; appreciated but is not required.
|
|
; 2. Altered source versions must be plainly marked as such, and must not
|
|
; be misrepresented as being the original software.
|
|
; 3. This notice may not be removed or altered from any source
|
|
; distribution.
|
|
;
|
|
|
|
; Opcode-Table
|
|
; ------------
|
|
; Post fix explanation:
|
|
; imm = #$00
|
|
; zp = $00
|
|
; zpx = $00,X
|
|
; zpy = $00,Y
|
|
; izp = ($00)
|
|
; izx = ($00,X)
|
|
; izy = ($00),Y
|
|
; abs = $0000
|
|
; abx = $0000,X
|
|
; aby = $0000,Y
|
|
; ind = ($0000)
|
|
; iax = ($0000,X)
|
|
; rel = $0000 (PC-relative) (supressed here)
|
|
|
|
.macpack cpu
|
|
|
|
OPC_BRK = $00
|
|
OPC_ORA_izx = $01
|
|
OPC_ORA_zp = $05
|
|
OPC_ASL_zp = $06
|
|
OPC_PHP = $08
|
|
OPC_ORA_imm = $09
|
|
OPC_ASL = $0A
|
|
OPC_ORA_abs = $0D
|
|
OPC_ASL_abs = $0E
|
|
|
|
OPC_BPL = $10
|
|
OPC_ORA_izy = $11
|
|
OPC_ORA_zpx = $15
|
|
OPC_ASL_zpx = $16
|
|
OPC_CLC = $18
|
|
OPC_ORA_aby = $19
|
|
OPC_ORA_abx = $1D
|
|
OPC_ASL_abx = $1E
|
|
|
|
OPC_JSR_abs = $20
|
|
OPC_AND_izx = $21
|
|
OPC_BIT_zp = $24
|
|
OPC_AND_zp = $25
|
|
OPC_ROL_zp = $26
|
|
OPC_PLP = $28
|
|
OPC_AND_imm = $29
|
|
OPC_ROL = $2A
|
|
OPC_BIT_abs = $2C
|
|
OPC_AND_abs = $2D
|
|
OPC_ROL_abs = $2E
|
|
|
|
OPC_BMI = $30
|
|
OPC_AND_izy = $31
|
|
OPC_AND_zpx = $35
|
|
OPC_ROL_zpx = $36
|
|
OPC_SEC = $38
|
|
OPC_AND_aby = $39
|
|
OPC_AND_abx = $3D
|
|
OPC_ROL_abx = $3E
|
|
|
|
|
|
OPC_RTI = $40
|
|
OPC_EOR_izx = $41
|
|
OPC_EOR_zp = $45
|
|
OPC_LSR_zp = $46
|
|
OPC_PHA = $48
|
|
OPC_EOR_imm = $49
|
|
OPC_LSR = $4A
|
|
OPC_JMP_abs = $4C
|
|
OPC_EOR_abs = $4D
|
|
OPC_LSR_abs = $4E
|
|
|
|
OPC_BVC = $50
|
|
OPC_EOR_izy = $51
|
|
OPC_EOR_zpx = $55
|
|
OPC_LSR_zpx = $56
|
|
OPC_CLI = $58
|
|
OPC_EOR_aby = $59
|
|
OPC_EOR_abx = $5D
|
|
OPC_LSR_abx = $5E
|
|
|
|
OPC_RTS = $60
|
|
OPC_ADC_izx = $61
|
|
OPC_ADC_zp = $65
|
|
OPC_ROR_zp = $66
|
|
OPC_PLA = $68
|
|
OPC_ADC_imm = $69
|
|
OPC_ROR = $6A
|
|
OPC_JMP_ind = $6C
|
|
OPC_ADC_abs = $6D
|
|
OPC_ROR_abs = $6E
|
|
|
|
OPC_BVS = $70
|
|
OPC_ADC_izy = $71
|
|
OPC_ADC_zpx = $75
|
|
OPC_ROR_zpx = $76
|
|
OPC_SEI = $78
|
|
OPC_ADC_aby = $79
|
|
OPC_ADC_abx = $7D
|
|
OPC_ROR_abx = $7E
|
|
|
|
OPC_STA_izx = $81
|
|
OPC_STY_zp = $84
|
|
OPC_STA_zp = $85
|
|
OPC_STX_zp = $86
|
|
OPC_DEY = $88
|
|
OPC_TXA = $8A
|
|
OPC_STY_abs = $8C
|
|
OPC_STA_abs = $8D
|
|
OPC_STX_abs = $8E
|
|
|
|
OPC_BCC = $90
|
|
OPC_STA_izy = $91
|
|
OPC_STY_zpx = $94
|
|
OPC_STA_zpx = $95
|
|
OPC_STX_zpy = $96
|
|
OPC_TYA = $98
|
|
OPC_STA_aby = $99
|
|
OPC_TXS = $9A
|
|
OPC_STA_abx = $9D
|
|
|
|
OPC_LDY_imm = $A0
|
|
OPC_LDA_izx = $A1
|
|
OPC_LDX_imm = $A2
|
|
OPC_LDY_zp = $A4
|
|
OPC_LDA_zp = $A5
|
|
OPC_LDX_zp = $A6
|
|
OPC_TAY = $A8
|
|
OPC_LDA_imm = $A9
|
|
OPC_TAX = $AA
|
|
OPC_LDY_abs = $AC
|
|
OPC_LDA_abs = $AD
|
|
OPC_LDX_abs = $AE
|
|
|
|
OPC_BCS = $B0
|
|
OPC_LDA_izy = $B1
|
|
OPC_LDY_zpx = $B4
|
|
OPC_LDA_zpx = $B5
|
|
OPC_LDX_zpy = $B6
|
|
OPC_CLV = $B8
|
|
OPC_LDA_aby = $B9
|
|
OPC_TSX = $BA
|
|
OPC_LDY_abx = $BC
|
|
OPC_LDA_abx = $BD
|
|
OPC_LDX_aby = $BE
|
|
|
|
OPC_CPY_imm = $C0
|
|
OPC_CMP_izx = $C1
|
|
OPC_CPY_zp = $C4
|
|
OPC_CMP_zp = $C5
|
|
OPC_DEC_zp = $C6
|
|
OPC_INY = $C8
|
|
OPC_CMP_imm = $C9
|
|
OPC_DEX = $CA
|
|
OPC_CPY_abs = $CC
|
|
OPC_CMP_abs = $CD
|
|
OPC_DEC_abs = $CE
|
|
|
|
OPC_BNE = $D0
|
|
OPC_CMP_izy = $D1
|
|
OPC_CMP_zpx = $D5
|
|
OPC_DEC_zpx = $D6
|
|
OPC_CLD = $D8
|
|
OPC_CMP_aby = $D9
|
|
OPC_CMP_abx = $DD
|
|
OPC_DEC_abx = $DE
|
|
|
|
OPC_CPX_imm = $E0
|
|
OPC_SBC_izx = $E1
|
|
OPC_CPX_zp = $E4
|
|
OPC_SBC_zp = $E5
|
|
OPC_INC_zp = $E6
|
|
OPC_INX = $E8
|
|
OPC_SBC_imm = $E9
|
|
OPC_NOP = $EA
|
|
OPC_CPX_abs = $EC
|
|
OPC_SBC_abs = $ED
|
|
OPC_INC_abs = $EE
|
|
|
|
|
|
OPC_BEQ = $F0
|
|
OPC_SBC_izy = $F1
|
|
OPC_SBC_zpx = $F5
|
|
OPC_INC_zpx = $F6
|
|
OPC_SED = $F8
|
|
OPC_SBC_aby = $F9
|
|
OPC_SBC_abx = $FD
|
|
OPC_INC_abx = $FE
|
|
|
|
|
|
.if (.cpu .bitand ::CPU_ISET_65SC02)
|
|
|
|
; OPC_NOP = $02 ; doublet
|
|
; OPC_NOP = $03 ; doublet
|
|
OPC_TSB_zp = $04
|
|
; OPC_NOP = $0B ; doublet
|
|
OPC_TSB_abs = $0C
|
|
|
|
OPC_ORA_izp = $12
|
|
; OPC_NOP = $13 ; doublet
|
|
OPC_TRB_zp = $14
|
|
OPC_INC = $1A
|
|
; OPC_NOP = $1B ; doublet
|
|
OPC_TRB_abs = $1C
|
|
|
|
; OPC_NOP = $22 ; doublet
|
|
; OPC_NOP = $23 ; doublet
|
|
; OPC_NOP = $2B ; doublet
|
|
|
|
OPC_AND_izp = $32
|
|
; OPC_NOP = $33 ; doublet
|
|
OPC_BIT_zpx = $34
|
|
OPC_DEC = $3A
|
|
; OPC_NOP = $3B ; doublet
|
|
OPC_BIT_abx = $3C
|
|
|
|
; OPC_NOP = $42 ; doublet
|
|
; OPC_NOP = $43 ; doublet
|
|
; OPC_NOP = $44 ; doublet
|
|
; OPC_NOP = $4B ; doublet
|
|
|
|
OPC_EOR_izp = $52
|
|
; OPC_NOP = $53 ; doublet
|
|
; OPC_NOP = $54 ; doublet
|
|
; OPC_NOP = $5A ; doublet
|
|
; OPC_NOP = $5B ; doublet
|
|
OPC_EOR_abx = $5C
|
|
|
|
; OPC_NOP = $62 ; doublet
|
|
; OPC_NOP = $63 ; doublet
|
|
OPC_STZ_zp = $64
|
|
; OPC_NOP = $6B ; doublet
|
|
|
|
OPC_ADC_izp = $72
|
|
; OPC_NOP = $73 ; doublet
|
|
OPC_STZ_zpx = $74
|
|
OPC_PLY = $7A
|
|
; OPC_NOP = $7B ; doublet
|
|
OPC_JMP_iax = $7C
|
|
|
|
OPC_BRA = $80
|
|
; OPC_NOP = $82 ; doublet
|
|
; OPC_NOP = $83 ; doublet
|
|
OPC_BIT_imm = $89
|
|
; OPC_NOP = $8B ; doublet
|
|
|
|
OPC_STA_izp = $92
|
|
; OPC_NOP = $93 ; doublet
|
|
; OPC_NOP = $9B ; doublet
|
|
OPC_STZ_abs = $9C
|
|
OPC_STZ_abx = $9E
|
|
|
|
; OPC_NOP = $A3 ; doublet
|
|
; OPC_NOP = $AB ; doublet
|
|
|
|
OPC_LDA_izp = $B2
|
|
; OPC_NOP = $B3 ; doublet
|
|
; OPC_NOP = $BB ; doublet
|
|
|
|
; OPC_NOP = $C2 ; doublet
|
|
; OPC_NOP = $C3 ; doublet
|
|
; OPC_NOP = $CB ; doublet
|
|
|
|
OPC_CMP_izp = $D2
|
|
; OPC_NOP = $D3 ; doublet
|
|
; OPC_NOP = $D4 ; doublet
|
|
OPC_PHX = $DA
|
|
; OPC_NOP = $DB ; doublet
|
|
; OPC_NOP = $DC ; doublet
|
|
|
|
; OPC_NOP = $E2 ; doublet
|
|
; OPC_NOP = $E3 ; doublet
|
|
; OPC_NOP = $EB ; doublet
|
|
|
|
OPC_SBC_izp = $F2
|
|
; OPC_NOP = $F3 ; doublet
|
|
; OPC_NOP = $F4 ; doublet
|
|
OPC_PLX = $FA
|
|
; OPC_NOP = $FB ; doublet
|
|
; OPC_NOP = $FC ; doublet
|
|
|
|
|
|
.if (.cpu .bitand ::CPU_ISET_65C02)
|
|
|
|
; bit instructions for 65C02
|
|
|
|
OPC_RMB0 = $07
|
|
OPC_RMB1 = $17
|
|
OPC_RMB2 = $27
|
|
OPC_RMB3 = $37
|
|
OPC_RMB4 = $47
|
|
OPC_RMB5 = $57
|
|
OPC_RMB6 = $67
|
|
OPC_RMB7 = $77
|
|
|
|
OPC_SMB0 = $87
|
|
OPC_SMB1 = $97
|
|
OPC_SMB2 = $A7
|
|
OPC_SMB3 = $B7
|
|
OPC_SMB4 = $C7
|
|
OPC_SMB5 = $D7
|
|
OPC_SMB6 = $E7
|
|
OPC_SMB7 = $F7
|
|
|
|
OPC_BBR0 = $0F
|
|
OPC_BBR1 = $1F
|
|
OPC_BBR2 = $2F
|
|
OPC_BBR3 = $3F
|
|
OPC_BBR4 = $4F
|
|
OPC_BBR5 = $5F
|
|
OPC_BBR6 = $6F
|
|
OPC_BBR7 = $7F
|
|
|
|
OPC_BBS0 = $8F
|
|
OPC_BBS1 = $9F
|
|
OPC_BBS2 = $AF
|
|
OPC_BBS3 = $BF
|
|
OPC_BBS4 = $CF
|
|
OPC_BBS5 = $DF
|
|
OPC_BBS6 = $EF
|
|
OPC_BBS7 = $FF
|
|
|
|
.else
|
|
|
|
; no bit instructions for 65SC02
|
|
|
|
; OPC_NOP = $07 ; doublet
|
|
; OPC_NOP = $17 ; doublet
|
|
; OPC_NOP = $27 ; doublet
|
|
; OPC_NOP = $37 ; doublet
|
|
; OPC_NOP = $47 ; doublet
|
|
; OPC_NOP = $57 ; doublet
|
|
; OPC_NOP = $67 ; doublet
|
|
; OPC_NOP = $77 ; doublet
|
|
; OPC_NOP = $87 ; doublet
|
|
; OPC_NOP = $97 ; doublet
|
|
; OPC_NOP = $A7 ; doublet
|
|
; OPC_NOP = $B7 ; doublet
|
|
; OPC_NOP = $C7 ; doublet
|
|
; OPC_NOP = $D7 ; doublet
|
|
; OPC_NOP = $E7 ; doublet
|
|
; OPC_NOP = $F7 ; doublet
|
|
; OPC_NOP = $0F ; doublet
|
|
; OPC_NOP = $1F ; doublet
|
|
; OPC_NOP = $2F ; doublet
|
|
; OPC_NOP = $3F ; doublet
|
|
; OPC_NOP = $4F ; doublet
|
|
; OPC_NOP = $5F ; doublet
|
|
; OPC_NOP = $6F ; doublet
|
|
; OPC_NOP = $7F ; doublet
|
|
; OPC_NOP = $8F ; doublet
|
|
; OPC_NOP = $9F ; doublet
|
|
; OPC_NOP = $AF ; doublet
|
|
; OPC_NOP = $BF ; doublet
|
|
; OPC_NOP = $CF ; doublet
|
|
; OPC_NOP = $DF ; doublet
|
|
; OPC_NOP = $EF ; doublet
|
|
; OPC_NOP = $FF ; doublet
|
|
|
|
.endif
|
|
|
|
.elseif (.cpu .bitand ::CPU_ISET_6502X)
|
|
|
|
; stable, undocumented opcodes
|
|
|
|
; OPC_KIL = $02 ; unstable
|
|
OPC_SLO_izx = $03
|
|
OPC_NOP_zp = $04
|
|
OPC_SLO_zp = $07
|
|
OPC_ANC_imm = $0B
|
|
OPC_NOP_abs = $0C
|
|
OPC_SLO_abs = $0F
|
|
|
|
; OPC_KIL = $12 ; unstable
|
|
OPC_SLO_izy = $13
|
|
OPC_NOP_zpx = $14
|
|
OPC_SLO_zpx = $17
|
|
;OPC_NOP = $1A
|
|
OPC_SLO_aby = $1B
|
|
OPC_NOP_abx = $1C
|
|
OPC_SLO_abx = $1F
|
|
|
|
; OPC_KIL = $22 ; unstable
|
|
OPC_RLA_izx = $23
|
|
OPC_RLA_zp = $27
|
|
OPC_ANC_imm = $2B
|
|
OPC_RLA_abs = $2F
|
|
|
|
; OPC_KIL = $32 ; unstable
|
|
OPC_RLA_izy = $33
|
|
OPC_NOP_zpx = $34
|
|
OPC_RLA_zpx = $37
|
|
; OPC_NOP = $3A ; doublet
|
|
OPC_RLA_aby = $3B
|
|
OPC_NOP_abx = $3C
|
|
OPC_RLA_abx = $3F
|
|
|
|
; OPC_KIL = $42 ; unstable
|
|
OPC_SRE_izx = $43
|
|
OPC_NOP_zp = $44
|
|
OPC_SRE_zp = $47
|
|
OPC_ALR_imm = $4B
|
|
OPC_SRE_abs = $4F
|
|
|
|
; OPC_KIL = $52 ; unstable
|
|
OPC_SRE_izy = $53
|
|
OPC_NOP_zpx = $54
|
|
OPC_SRE_zpx = $57
|
|
; OPC_NOP = $5A ; doublet
|
|
OPC_SRE_aby = $5B
|
|
OPC_NOP_abx = $5C
|
|
OPC_SRE_abx = $5F
|
|
|
|
; OPC_KIL = $62
|
|
OPC_RRA_izx = $63
|
|
OPC_NOP_zp = $64
|
|
OPC_RRA_zp = $67
|
|
OPC_ARR_imm = $6B
|
|
OPC_RRA_abs = $6F
|
|
|
|
; OPC_KIL = $72
|
|
OPC_RRA_izy = $73
|
|
OPC_NOP_zpx = $74
|
|
OPC_RRA_zpx = $77
|
|
; OPC_NOP = $7A ; doublet
|
|
OPC_RRA_aby = $7B
|
|
OPC_NOP_abx = $7C
|
|
OPC_RRA_abx = $7F
|
|
|
|
OPC_NOP_imm = $80
|
|
; OPC_NOP_imm = $82 ; doublet
|
|
OPC_SAX_izx = $83
|
|
OPC_SAX_zp = $87
|
|
; OPC_NOP_imm = $89 ; doublet
|
|
; OPC_XAA = $8B ; unstable
|
|
OPC_SAX_abs = $8F
|
|
|
|
; OPC_KIL = $92 ; unstable
|
|
; OPC_AHX_izy = $93 ; unstable
|
|
OPC_SAX_zpy = $97
|
|
; OPC_TAS_aby = $9B ; unstable
|
|
; OPC_SHY_abx = $9C ; unstable
|
|
; OPC_SHX_aby = $9E ; unstable
|
|
; OPC_AHX_aby = $9F ; unstable
|
|
|
|
OPC_LAX_izx = $A3
|
|
OPC_LAX_zp = $A7
|
|
; OPC_LAX_imm = $AB ; unstable
|
|
OPC_LAX_abs = $AF
|
|
|
|
; OPC_KIL = $B2 ; unstable
|
|
OPC_LAX_izy = $B3
|
|
OPC_LAX_zpy = $B7
|
|
OPC_LAS_aby = $BB
|
|
OPC_LAX_aby = $BF
|
|
|
|
; OPC_NOP_imm = $C2 ; doublet
|
|
OPC_DCP_izx = $C3
|
|
OPC_DCP_zp = $C7
|
|
OPC_AXS_imm = $CB
|
|
OPC_DCP_abs = $CF
|
|
|
|
; OPC_KIL = $D2 ; unstable
|
|
OPC_DCP_izy = $D3
|
|
OPC_NOP_zpx = $D4
|
|
OPC_DCP_zpx = $D7
|
|
OPC_NOP_DA = $DA
|
|
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
|
|
|
|
.endif
|