!cpu    6510
*       =       $1000
        clv
        cld
        cli
        clc
        lda     #$80
        lda     #$01
        sed
        sei
        sec
        lda     #$ff
        adc     #$00
        lda     #$00
        pha
        plp
        clv
        bvc     L101A

        !byte   $70
        !byte   $02
        !byte   $00
        !byte   $00

L101A   clc
        bcc     @L101F

        !byte   $00
        !byte   $00

@L101F  sec
        bcs     @L1024

        !byte   $00
        !byte   $00

@L1024  lda     #$01
        bne     @L102A

        !byte   $00
        !byte   $db

@L102A  lda     #$00
        beq     @L1030

        !byte   $00
        !byte   $db

@L1030  bpl     @L1034

        !byte   $00
        !byte   $db

@L1034  lda     #$80
        bmi     @L103A

        !byte   $00
        !byte   $db

@L103A  lda     #$ff
        and     #$00
        beq     @L1042

        !byte   $00
        !byte   $db

@L1042  lda     #$00
        ldx     #$80
        and     #$ff
        beq     @L104C
        bne     @L104C

@L104C  lda     #$ff
        ldx     #$00
        and     #$7f
        beq     @L1056
        bne     @L1056

@L1056  bpl     @L105A

        !byte   $00
        !byte   $db

@L105A  lda     #$ff
        and     #$80
        bpl     @L1064
        bmi     @L1064

        !byte   $00
        !byte   $db

@L1064  lda     #$00
        ldx     #$80
        bne     @L106C

        !byte   $00
        !byte   $db

@L106C  ora     #$00
        beq     @L1072
        bne     @L1072

@L1072  ora     #$01
        bne     @L1078

        !byte   $00
        !byte   $db

@L1078  lda     #$00
        ldx     #$80
        bmi     @L1080

        !byte   $00
        !byte   $db

@L1080  ora     #$7f
        bpl     @L1088
        bmi     @L1088

        !byte   $00
        !byte   $db

@L1088  ora     #$80
        bmi     @L108E

        !byte   $00
        !byte   $db

@L108E  lda     @L108E
        sec
        ror
        bmi     @L1097

        !byte   $00
        !byte   $dc

@L1097  clc
        ror
        bpl     @L109D

        !byte   $00
        !byte   $dc

@L109D  lda     #$00
        sec
        rol
        bne     @L10A5

        !byte   $00
        !byte   $dc

@L10A5  lda     #$ff
        lsr
        bpl     @L10AC

        !byte   $00
        !byte   $dd

@L10AC  clc
        php
        sec
        plp
        bcc     @L10B3
        nop
@L10B3  sec
        bcs     @L10B7

@L10B6  clc
@L10B7  lda     $33
        beq     @L10B6
        bcs     @L10BF
        lda     $44
@L10BF  nop
        rts