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https://github.com/fadden/6502bench.git
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176 lines
2.5 KiB
ArmAsm
176 lines
2.5 KiB
ArmAsm
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!cpu 6510
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* = $1000
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clv
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cld
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cli
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clc
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lda #$80
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lda #$01
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sed
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sei
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sec
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lda #$ff
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adc #$00
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lda #$00
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pha
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plp
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clv
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bvc L101A
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!byte $70
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!byte $02
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!byte $00
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!byte $00
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L101A clc
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bcc @L101F
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!byte $00
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!byte $00
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@L101F sec
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bcs @L1024
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!byte $00
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!byte $00
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@L1024 lda #$01
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bne @L102A
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!byte $00
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!byte $db
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@L102A lda #$00
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beq @L1030
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!byte $00
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!byte $db
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@L1030 bpl @L1034
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!byte $00
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!byte $db
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@L1034 lda #$80
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bmi @L103A
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!byte $00
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!byte $db
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@L103A lda #$ff
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and #$00
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beq @L1042
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!byte $00
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!byte $db
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@L1042 lda #$00
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ldx #$80
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and #$ff
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beq @L104C
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bne @L104C
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@L104C lda #$ff
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ldx #$00
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and #$7f
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beq @L1056
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bne @L1056
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@L1056 bpl @L105A
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!byte $00
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!byte $db
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@L105A lda #$ff
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and #$80
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bpl @L1064
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bmi @L1064
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!byte $00
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!byte $db
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@L1064 lda #$00
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ldx #$80
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bne @L106C
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!byte $00
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!byte $db
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@L106C ora #$00
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beq @L1072
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bne @L1072
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@L1072 ora #$01
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bne @L1078
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!byte $00
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!byte $db
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@L1078 lda #$00
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ldx #$80
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bmi @L1080
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!byte $00
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!byte $db
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@L1080 ora #$7f
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bpl @L1088
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bmi @L1088
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!byte $00
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!byte $db
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@L1088 ora #$80
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bmi @L108E
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!byte $00
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!byte $db
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@L108E lda @L108E
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sec
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ror
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bmi @L1097
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!byte $00
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!byte $dc
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@L1097 clc
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ror
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bpl @L109D
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!byte $00
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!byte $dc
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@L109D lda #$00
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sec
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rol
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bne @L10A5
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!byte $00
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!byte $dc
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@L10A5 lda #$ff
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lsr
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bpl @L10AC
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!byte $00
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!byte $dd
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@L10AC clc
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php
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sec
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plp
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bcc @L10B3
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nop
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@L10B3 sec
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bcs @L10B7
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@L10B6 clc
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@L10B7 lda $33
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beq @L10B6
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bcs @L10BF
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lda $44
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@L10BF nop
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rts
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