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