code: def _bnot32(ins):
      
      output = _32bit_oper(ins.quad[2])
      output.append('call __BNOT32')
      output.append('push de')
      output.append('push hl')
      REQUIRES.add('bnot32.asm')
      return output
docs: Negates top (Bitwise NOT) of the stack (32 bits in DEHL)