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cc65/asminc/opcodes.inc

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Added a macro package for writing self modyfying code. By Christian Krüger. git-svn-id: svn://svn.cc65.org/cc65/trunk@5536 b7a2c559-68d2-44c3-8de9-860c34a00d81
2012-02-21 20:02:20 +00:00
; opcodes.inc
; ca65 6502 - opcode definitions, mainly for self modifying code
;
; Christian Kr<EFBFBD>ger, 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
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