.cpu    "6502"
*       =       $1000
        .byte   $03
        .byte   $02

L1002   bit     L1002
        .byte   $2c
        lda     #$11
        nop
        .byte   $2c
_L100A  ldx     #$ff
        nop
        jsr     _L100A
        nop
        .byte   $2c
_L1012  ldx     #$ff
        nop
        jsr     _L1012
        jsr     $2456
_L101B  .dword  $22a211a9
        jsr     _L101B
        jsr     _L1028
        jsr     $2456
_L1028  .dword  $44a233a9
        jsr     _L103A
        jsr     _L103D
        nop
        lda     $2456
        jsr     _L1045
        rts

_L103A  jsr     $2456
_L103D  lda     #$55
        ldx     #$66
        rts

        .byte   $81
        .byte   $82
        .byte   $83

_L1045  lda     #$99
        rts