org $fffc
        fdb nmi
        org $fffe
        fdb start
        org $a000
start   lds #$00ff
        ldaa #%11110000
        staa 0
        ldaa #$10
        staa 2
        ldaa 2
        anda #%00000001
        cmpa #%00000001
        beq pijaca
        ldaa 2
        anda #%00001000
        cmpa #%00001000
        beq tem
        ldaa 2
        anda #%00000010
        cmpa #%00000010
        beq luc
        ldaa 2
        anda #%00001111
        cmpa #%00000101
        beq senzor
        bra start
pijaca  ldaa #%00110000
        staa 2
        bra start
tem     ldaa #%10010000
        staa 2
        bra start
luc     ldaa #%01010000
        staa 2
        bra start
senzor  ldaa #%00010000
        staa 2
        bra start
nmi     ldaa #%00010000
        staa 2
        rti