The 65020 Instruction Set

0 1 2 3 4 5 6 7 8 9 A B C D E F

0 BRK ORA ORA ORA ASL PHP ORA ASL ORA ORA ASL ASL

(zp,X) acc zp zp imm acc (abs,X) abs abs (abs,X)

1 BPL ORA ASL ORA ASL CLC ORA ORA ORA ASL ASL

rel (zp),Y abs,Y zp,X zp,X abs,Y (abs),Y abs,X abs,X (abs),Y

2 JSR AND AND BIT AND ROL PLP AND ROL AND BIT AND ROL ROL

abs (zp,X) acc zp zp zp imm acc (abs,X) abs abs abs (abs,X)

3 BMI AND ROL AND ROL SEC AND AND AND ROL ROL

rel (zp),Y abs,Y zp,X zp,X abs,Y (abs),Y abs,X abs,X (abs),Y

4 RTI EOR EOR EOR LSR PHA EOR LSR EOR JMP EOR LSR LSR

(zp,X) acc zp zp imm acc (abs,X) abs abs abs (abs,X)

5 BVC EOR JSR LSR JSR EOR LSR CLI EOR JMP EOR JMP EOR LSR LSR

rel (zp),Y abs,Y abs,Y abs,X zp,X zp,X abs,Y abs,Y (abs),Y abs,X abs,X abs,X (abs),Y

6 RTS ADC ADC ADC ROR PLA ADC ROR ADC JMP ADC ROR ROR

(zp,X) acc zp zp imm acc (abs,X) (abs) abs abs (abs,X)

7 BVS ADC JSR ROR JSR ADC ROR SEI ADC JMP ADC JMP ADC ROR ROR

rel (zp),Y (abs),Y abs,Y (abs,X) zp,X zp,X abs,Y (abs),Y (abs),Y (abs,X) abs,X abs,X (abs),Y

8 STA STY STA STX DEY PSH TXA STA STY STA STX STX

(zp,X) zp zp zp imm (abs,X) abs abs abs (abs,X)

9 BCC STA STX STY STA STX STY TYA STA TXS STA STY STA STX STX

rel (zp),Y abs,X zp,X zp,X zpY abs,Y abs,Y (abs),Y abs,X abs,X abs,Y (abs),Y

A LDY LDA LDX LDY LDA LDX TAY LDA TAX LDA LDY LDA LDX LDX

imm (zp,X) imm zp zp zp imm (abs,X) abs abs abs (abs,X)

B BCS LDA LDA LDX LDY LDA LDX LDY CLV LDA TSX LDA LDY LDA LDX LDX

rel (zp),Y acc abs,X zp,X zp,X zpY abs,Y abs,Y (abs),Y abs,X abs,X abs,Y (abs),Y

C CPY CMP CPY CPY CMP DEC INY CMP DEX CMP CPY CMP DEC DEC

imm (zp,X) acc zp zp zp imm (abs,X) abs abs abs (abs,X)

D BNE CMP CMP DEC CMP DEC CPY CLD CMP DEC CMP CPY CMP DEC DEC

rel (zp),Y acc abs,Y zp,X zp,X abs,Y abs,Y acc (abs),Y abs,X abs,X abs,X (abs),Y

E CPX SBC CPX CPX SBC INC INX SBC NOP SBC CPX SBC INC INC

imm (zp,X) acc zp zp zp imm (abs,X) abs abs abs (abs,X)

F BEQ SBC SBC INC SBC INC CPX SED SBC INC SBC CPX SBC INC INC

rel (zp),Y acc abs,Y zp,X zp,X abs,Y abs,Y acc (abs),Y abs,X abs,X abs,X (abs),Y

The alternative operations for each instruction are listed below: ADC : ADD BVC : BLE INC : PHP : PHY SEI : AND : BVS : BGT INX : INS PLA : PLX STA : STS ASL : EXG CLC : INY : INA PLP : PLY STX : BCC : BLS CLD : JSR : PSH : POP STY : BCS : BHI CLI : LDA : ADS ROL : TAX : TXX BEQ : BRA CLV : SEV LDX : ADX ROR : TAY : TYY BIT : CMP : SBS LDY : ADY RTI : TSX : BMI : BLT CPX : SBX LSR : ASR RTS : TXA : TXY BNE : BNV DEC : NOP : WAI SBC : SUB TXS : BPL : BGE DEX : DES ORA : SEC : TYA : TYX BRK : DEY : PHA : PHX SED :

`ADC : ADD`	`BVC : BLE`	`INC :`	`PHP : PHY`	`SEI :`
`AND :`	`BVS : BGT`	`INX : INS`	`PLA : PLX`	`STA : STS`
`ASL : EXG`	`CLC :`	`INY : INA`	`PLP : PLY`	`STX :`
`BCC : BLS`	`CLD :`	`JSR :`	`PSH : POP`	`STY :`
`BCS : BHI`	`CLI :`	`LDA : ADS`	`ROL :`	`TAX : TXX`
`BEQ : BRA`	`CLV : SEV`	`LDX : ADX`	`ROR :`	`TAY : TYY`
`BIT :`	`CMP : SBS`	`LDY : ADY`	`RTI :`	`TSX :`
`BMI : BLT`	`CPX : SBX`	`LSR : ASR`	`RTS :`	`TXA : TXY`
`BNE : BNV`	`DEC :`	`NOP : WAI`	`SBC : SUB`	`TXS :`
`BPL : BGE`	`DEX : DES`	`ORA :`	`SEC :`	`TYA : TYX`
`BRK :`	`DEY :`	`PHA : PHX`	`SED :`