in3-funcion-a-funcion.txt

main: 
  $a0=5;
  goto f1;
ret0:
  print($v0); 
  exit;
f1:
  $a1 = $a0;
  goto f2;
ret1:
  $v0 = $v1;
  goto ret0;
f2:
  $v1 = $a1*$a1;
  goto ret1;