%include "asm_io.inc" segment .tex: global asm_main asm_main: enter 0,0 ; setup pusha ; setup mov al, 09Ah ; al = 9Ah mov bl, 073h ; bl = 93h sub al, bl ; al = al - bl movzx eax, al ; increase size for printing call print_int ; print al as an integer call print_nl ; print a new line dump_regs 0 ; print the registers just for kicks popa ; cleanup mov eax, 0 ; cleanup leave ; cleanup ret ; cleanup