org 100h
    nop
    nop
    nop
    mvi a,0ffh
    out 00h
    out 00h
    nop
    nop
    nop
    in 4ch
    cpi 0ffh
    nop
    nop
    nop
    jnz test1
    nop
    nop
    nop
    out 10h
    out 20h
    out 30h
    out 40h
    out 50h
    nop
    nop
    nop
    jmp 100h
    nop
    nop
    nop
    nop
test1:
    mvi c,0
    call 05h
    hlt