unsigned long ReadCount(void)
     {
     unsigned long Count;
     unsigned char i;
     

      ADDO=1;
      ADSK=0;
      Count=0;
     while(ADDO);
     for(i=0;i<24;i++)
      {
      ADSK=1;
      Count=Count<<1;
      ADSK=0;
     if(ADDO)Count++;
      }
      ADSK=1;
      Count=Count^0x800000;
      ADSK=0;
     return(Count);
     }