.data
s: .asciz "Hello World!\n"
.text
.globl main
main:
 pushl $s
    # Passar param (punter a s)
 call printf # Cridar subrutina
 addl $4, %esp
    # Eliminar param de la pila

 movl $1, %eax
 movl $0, %ebx
 int $0x80