--- /dev/null
+; Compile me using "rmac -l6502tester.lst 6502tester.s" and open
+; 6502tester.lst to see and compare the output opcodes
+
+ .6502
+
+label:
+
+;ADC (ADd with Carry)
+
+; SYNTAX HEX LEN MODE
+ ADC #$44 ;$69 2 Immediate
+ ADC $44 ;$65 2 Zero Page
+ ADC $44,X ;$75 2 Zero Page,X
+ ADC $4400 ;$6D 3 Absolute
+ ADC $4400,X ;$7D 3 Absolute,X
+ ADC $4400,Y ;$79 3 Absolute,Y
+ ADC ($44,X) ;$61 2 Indirect,X
+ ADC ($44),Y ;$71 2 Indirect,Y
+
+;AND (bitwise AND with accumulator)
+
+; SYNTAX HEX LEN MODE
+ AND #$44 ;$29 2 Immediate
+ AND $44 ;$25 2 Zero Page
+ AND $44,X ;$35 2 Zero Page,X
+ AND $4400 ;$2D 3 Absolute
+ AND $4400,X ;$3D 3 Absolute,X
+ AND $4400,Y ;$39 3 Absolute,Y
+ AND ($44,X) ;$21 2 Indirect,X
+ AND ($44),Y ;$31 2 Indirect,Y
+
+;ASL (Arithmetic Shift Left)
+
+; SYNTAX HEX LEN MODE
+ ASL ;$0A 1 Accumulator (Implied)
+ ASL $44 ;$06 2 Zero Page
+ ASL $44,X ;$16 2 Zero Page,X
+ ASL $4400 ;$0E 3 Absolute
+ ASL $4400,X ;$1E 3 Absolute,X
+
+;BIT (test BITs)
+
+; SYNTAX HEX LEN MODE
+ BIT $44 ;$24 2 Zero Page
+ BIT $4400 ;$2C 3 Absolute
+
+;Branch Instructions
+
+;MNEMONIC HEX
+BPL label ;$10 (Branch on PLus)
+BMI label ;$30 (Branch on MInus)
+BVC label ;$50 (Branch on oVerflow Clear)
+BVS label ;$70 (Branch on oVerflow Set)
+BCC label ;$90 (Branch on Carry Clear)
+BCS label ;$B0 (Branch on Carry Set)
+BNE label ;$D0 (Branch on Not Equal)
+BEQ label ;$F0 (Branch on EQual)
+
+;BRK (BReaK)
+; SYNTAX HEX LEN ;MODE
+ BRK ;$00 1 ;Implied
+
+;CMP (CoMPare accumulator)
+
+; SYNTAX HEX LEN MODE
+ CMP #$44 ;$C9 2 Immediate
+ CMP $44 ;$C5 2 Zero Page
+ CMP $44,X ;$D5 2 Zero Page,X
+ CMP $4400 ;$CD 3 Absolute
+ CMP $4400,X ;$DD 3 Absolute,X
+ CMP $4400,Y ;$D9 3 Absolute,Y
+ CMP ($44,X) ;$C1 2 Indirect,X
+ CMP ($44),Y ;$D1 2 Indirect,Y
+
+;CPX (ComPare X register)
+
+; SYNTAX HEX LEN MODE
+ CPX #$44 ;$E0 2 Immediate
+ CPX $44 ;$E4 2 Zero Page
+ CPX $4400 ;$EC 3 Absolute
+
+;CPY (ComPare Y register)
+
+; SYNTAX HEX LEN MODE
+ CPY #$44 ;$C0 2 Immediate
+ CPY $44 ;$C4 2 Zero Page
+ CPY $4400 ;$CC 3 Absolute
+
+;DEC (DECrement memory)
+
+; SYNTAX HEX LEN MODE
+ DEC $44 ;$C6 2 Zero Page
+ DEC $44,X ;$D6 2 Zero Page,X
+ DEC $4400 ;$CE 3 Absolute
+ DEC $4400,X ;$DE 3 Absolute,X
+
+;EOR (bitwise Exclusive OR)
+
+; SYNTAX HEX LEN MODE
+ EOR #$44 ;$49 2 Immediate
+ EOR $44 ;$45 2 Zero Page
+ EOR $44,X ;$55 2 Zero Page,X
+ EOR $4400 ;$4D 3 Absolute
+ EOR $4400,X ;$5D 3 Absolute,X
+ EOR $4400,Y ;$59 3 Absolute,Y
+ EOR ($44,X) ;$41 2 Indirect,X
+ EOR ($44),Y ;$51 2 Indirect,Y
+
+;Flag (Processor Status) Instructions
+
+;MNEMONIC HEX
+CLC ;(CLear Carry) $18
+SEC ;(SEt Carry) $38
+CLI ;(CLear Interrupt) $58
+SEI ;(SEt Interrupt) $78
+CLV ;(CLear oVerflow) $B8
+CLD ;(CLear Decimal) $D8
+SED ;(SEt Decimal) $F8
+
+;INC (INCrement memory)
+
+; SYNTAX HEX LEN MODE
+ INC $44 ;$E6 2 ;Zero Page
+ INC $44,X ;$F6 2 ;Zero Page,X
+ INC $4400 ;$EE 3 ;Absolute
+ INC $4400,X ;$FE 3 ;Absolute,X
+
+;JMP (JuMP)
+
+; SYNTAX HEX LEN MODE
+ JMP $5597 ;$4C 3 Absolute
+ JMP ($5597) ;$6C 3 Indirect
+
+;JSR (Jump to SubRoutine)
+
+; SYNTAX HEX LEN MODE
+ JSR $5597 ;$20 3 Absolute
+
+;LDA (LoaD Accumulator)
+
+; SYNTAX HEX LEN MODE
+ LDA #$44 ;$A9 2 Immediate
+ LDA $44 ;$A5 2 Zero Page
+ LDA $44,X ;$B5 2 Zero Page,X
+ LDA $4400 ;$AD 3 Absolute
+ LDA $4400,X ;$BD 3 Absolute,X
+ LDA $4400,Y ;$B9 3 Absolute,Y
+ LDA ($44,X) ;$A1 2 Indirect,X
+ LDA ($44),Y ;$B1 2 Indirect,Y
+
+;LDX (LoaD X register)
+
+; SYNTAX HEX LEN MODE
+ LDX #$44 ;$A2 2 Immediate
+ LDX $44 ;$A6 2 Zero Page
+ LDX $44,Y ;$B6 2 Zero Page,Y
+ LDX $4400 ;$AE 3 Absolute
+ LDX $4400,Y ;$BE 3 Absolute,Y
+
+;LDY (LoaD Y register)
+
+; SYNTAX HEX LEN MODE
+ LDY #$44 ;$A0 2 Immediate
+ LDY $44 ;$A4 2 Zero Page
+ LDY $44,X ;$B4 2 Zero Page,X
+ LDY $4400 ;$AC 3 Absolute
+ LDY $4400,X ;$BC 3 Absolute,X
+
+;LSR (Logical Shift Right)
+
+; SYNTAX HEX LEN MODE
+ LSR ;$4A 1 Accumulator (Implied)
+ LSR $44 ;$46 2 Zero Page
+ LSR $44,X ;$56 2 Zero Page,X
+ LSR $4400 ;$4E 3 Absolute
+ LSR $4400,X ;$5E 3 Absolute,X
+
+;NOP (No OPeration)
+
+; SYNTAX HEX LEN MODE
+ NOP ;$EA 1 Implied
+
+;ORA (bitwise OR with Accumulator)
+
+; SYNTAX HEX LEN MODE
+ ORA #$44 ;$09 2 Immediate
+ ORA $44 ;$05 2 Zero Page
+ ORA $44,X ;$15 2 Zero Page,X
+ ORA $4400 ;$0D 3 Absolute
+ ORA $4400,X ;$1D 3 Absolute,X
+ ORA $4400,Y ;$19 3 Absolute,Y
+ ORA ($44,X) ;$01 2 Indirect,X
+ ORA ($44),Y ;$11 2 Indirect,Y
+
+;Register Instructions
+
+;MNEMONIC HEX
+TAX ;(Transfer A to X) $AA
+TXA ;(Transfer X to A) $8A
+DEX ;(DEcrement X) $CA
+INX ;(INcrement X) $E8
+TAY ;(Transfer A to Y) $A8
+TYA ;(Transfer Y to A) $98
+DEY ;(DEcrement Y) $88
+INY ;(INcrement Y) $C8
+
+;ROL (ROtate Left)
+
+; SYNTAX HEX LEN MODE
+ ROL ;$2A 1 Accumulator (Implied)
+ ROL $44 ;$26 2 Zero Page
+ ROL $44,X ;$36 2 Zero Page,X
+ ROL $4400 ;$2E 3 Absolute
+ ROL $4400,X ;$3E 3 Absolute,X
+
+;ROR (ROtate Right)
+
+; SYNTAX HEX LEN MODE
+ ROR ;$6A 1 Accumulator (Implied)
+ ROR $44 ;$66 2 Zero Page
+ ROR $44,X ;$76 2 Zero Page,X
+ ROR $4400 ;$6E 3 Absolute
+ ROR $4400,X ;$7E 3 Absolute,X
+
+;RTI (ReTurn from Interrupt)
+
+; SYNTAX HEX LEN MODE
+ RTI ;$40 1 Implied
+
+;RTS (ReTurn from Subroutine)
+
+; SYNTAX HEX LEN MODE
+ RTS ;$60 1 Implied
+
+;SBC (SuBtract with Carry)
+
+; SYNTAX HEX LEN MODE
+ SBC #$44 ;$E9 2 Immediate
+ SBC $44 ;$E5 2 Zero Page
+ SBC $44,X ;$F5 2 Zero Page,X
+ SBC $4400 ;$ED 3 Absolute
+ SBC $4400,X ;$FD 3 Absolute,X
+ SBC $4400,Y ;$F9 3 Absolute,Y
+ SBC ($44,X) ;$E1 2 Indirect,X
+ SBC ($44),Y ;$F1 2 Indirect,Y
+
+;STA (STore Accumulator)
+
+; SYNTAX HEX LEN MODE
+ STA $44 ;$85 2 Zero Page
+ STA $44,X ;$95 2 Zero Page,X
+ STA $4400 ;$8D 3 Absolute
+ STA $4400,X ;$9D 3 Absolute,X
+ STA $4400,Y ;$99 3 Absolute,Y
+ STA ($44,X) ;$81 2 Indirect,X
+ STA ($44),Y ;$91 2 Indirect,Y
+
+;Stack Instructions
+;MNEMONIC HEX
+TXS ;(Transfer X to Stack ptr) $9A
+TSX ;(Transfer Stack ptr to X) $BA
+PHA ;(PusH Accumulator) $48
+PLA ;(PuLl Accumulator) $68
+PHP ;(PusH Processor status) $08
+PLP ;(PuLl Processor status) $28
+
+;STX (STore X register)
+
+; SYNTAX HEX LEN MODE
+ STX $44 ;$86 2 ;Zero Page
+ STX $44,Y ;$96 2 ;Zero Page,Y
+ STX $4400 ;$8E 3 ;Absolute
+
+;STY (STore Y register)
+
+; SYNTAX HEX LEN MODE
+ STY $44 ;$84 2 ;Zero Page
+ STY $44,X ;$94 2 ;Zero Page,X
+ STY $4400 ;$8C 3 ;Absolute
projects / rmac / blobdiff