.cpu    "65816"
*       =       $1000
        .as
        .xs
        clc
        xce
        sep     #$ff
        clv
        cld
        cli
        clc
        lda     #$80
        lda     #$01
        sed
        sei
        sec
        lda     #$ff
        adc     #$00
        sep     #$ff
        rep     #$80
        rep     #$40
        rep     #$20
        .al
        rep     #$10
        .xl
        rep     #$08
        rep     #$04
        rep     #$02
        rep     #$01
        sep     #$00
        sep     #$ff
        .as
        .xs
        rep     #$00
        rep     #$ff
        .al
        .xl
        lda     #$feed
        sec
        xce
        .as
        .xs
        lda     #$ff
        rep     #$30
        lda     #$ff
        clc
        xce
        lda     #$ff
        rep     #$20
        .al
        sep     #$10
        lda     #$0000
        ldx     #$01
        ldy     #$02
        sep     #$20
        .as
        rep     #$10
        .xl
        lda     #$01
        ldx     #$0000
        ldy     #$0000
        sep     #$30
        .xs
        lda     #$00
        pha
        plp
        rep     #$80
        bpl     L105F

        .byte   $00
        .byte   $00

L105F   sep     #$80
        bpl     L1065
        bmi     L1067

L1065   .byte   $00
        .byte   $00

L1067   rep     #$40
        bvc     L106D

        .byte   $00
        .byte   $00

L106D   sep     #$40
        bvs     L1073

        .byte   $00
        .byte   $00

L1073   rep     #$01
        bcc     L1079

        .byte   $00
        .byte   $00

L1079   sep     #$01
        bcs     L107F

        .byte   $00
        .byte   $00

L107F   rep     #$02
        bne     L1085

        .byte   $00
        .byte   $00

L1085   sep     #$02
        beq     L108B

        .byte   $00
        .byte   $00

L108B   sep     #$ff
        lda     #$01
        bne     L1093

        .byte   $00
        .byte   $db

L1093   lda     #$00
        beq     L1099

        .byte   $00
        .byte   $db

L1099   bpl     L109D

        .byte   $00
        .byte   $db

L109D   lda     #$80
        bmi     L10A3

        .byte   $00
        .byte   $db

L10A3   lda     #$ff
        and     #$00
        beq     L10AB

        .byte   $00
        .byte   $db

L10AB   lda     #$00
        and     #$ff
        beq     L10B3

        .byte   $00
        .byte   $db

L10B3   lda     #$ff
        and     #$7f
        bne     L10BB

        .byte   $00
        .byte   $db

L10BB   bpl     L10BF

        .byte   $00
        .byte   $db

L10BF   lda     #$ff
        and     #$80
        bmi     L10C7

        .byte   $00
        .byte   $db

L10C7   lda     #$00
        ora     #$00
        beq     L10CF

        .byte   $00
        .byte   $db

L10CF   ora     #$01
        bne     L10D5

        .byte   $00
        .byte   $db

L10D5   lda     #$00
        ora     #$7f
        bpl     L10DD

        .byte   $00
        .byte   $db

L10DD   ora     #$80
        bmi     L10E3

        .byte   $00
        .byte   $db

L10E3   lda     L10E3
        sec
        ror     a
        bmi     L10EC

        .byte   $00
        .byte   $dc

L10EC   clc
        ror     a
        bpl     L10F2

        .byte   $00
        .byte   $dc

L10F2   lda     #$00
        sec
        rol     a
        bne     L10FA

        .byte   $00
        .byte   $dc

L10FA   clc
        php
        sec
        plp
        bcc     L1102

        .byte   $00
        .byte   $00

L1102   sec
        bcs     L1106

L1105   clc
L1106   lda     $33
        beq     L1105
        bcs     L110E
        lda     $44
L110E   nop
        rep     #$20
        .al
        sep     #$10
        jsr     L112A
        rep     #$30
        .xl
        jsr     L1130
        sep     #$30
        .as
        .xs
        jsr     L1130
        rep     #$20
        .al
        sep     #$10
        jsr     L112A
        sep     #$30
        .as
        rts

        .al
L112A   lda     #$1234
        ldx     #$ff
        rts

        .as
L1130   lda     #$ff
        ldx     #$ee
        ldy     #$dd
        rts