void mouse_wait(unsigned char type)
{
  unsigned int _time_out=100000;
  if(type==0)
  {
    while(_time_out--) //Data
    {
      if((inportb(0x64) & 1)==1)
      {
        return;
      }
    }
    return;
  }
  else
  {
    while(_time_out--) //Signal
    {
      if((inportb(0x64) & 2)==0)
      {
        return;
      }
    }
    return;
  }
}