.lcomm var1 1
.text
.global _start
_start:

    movw $1,%cx # if you initialize to 0, 
                # the loop will go for about 4 billion tiles
label1:
    nop
    nop
    loop label1 # decrement CX, compare to 0, jump iff CX != 0

    movl $1,%eax
    int $0x80