.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     L1037
        jsr     L103A
        nop
        lda     $2456
        rts

L1037   jsr     $2456
L103A   lda     #$55
        ldx     #$66
        rts