.lcomm var1 1
.text
.global _start
_start:

    movb $253,%al
    cmpb $30,%al

# begin JA equivalent sequence
    # ja label1 but let's try to do this without ja!
    jz   label0
    jnc  label1 # we end up here iff z = 0, 
label0:
# end JA equivalent sequence

    nop # we only want to be here iff less than or equal to 

    

label1:
    nop


    movl $1,%eax
    int $0x80