code: def _ltu32(ins):
      
      op1, op2 = tuple(ins.quad[2:])
      rev = op1[0] != 't' and not is_int(op1) and op2[0] == 't'
      output = _32bit_oper(op1, op2, rev)
      output.append('call __SUB32')
      output.append('sbc a, a')
      output.append('push af')
      REQUIRES.add('sub32.asm')
      return output
docs: Compares & pops top 2 operands out of the stack, and checks
          if the 1st operand < 2nd operand (top of the stack).
          Pushes 0 if False, 1 if True.
  
          32 bit unsigned version