Thanks EarlyBird2, I did figure that part out. In the code that the 'Kid' supplied, I could not get it to work until I remarked the SignC=Negative portion.
The code below works, but I have not tried for negative numbers yet..... Could you explain why?
Thanks and Regards,
Steve

Code:
ReadDS18S20:' Works, mostly.....------------------------------------------------
                  owout Tsensor,1,[$CC, $44]                                    'Send Start Temperature Conversion command
                  owout Tsensor,1,[$CC, $BE]                                    'Send Read Temperature command
                  owin Tsensor,0,[STR dq\9]                                     'Retrieve all 9 bytes of data
                  RawTemp.Byte0 = dq[0]
                  RawTemp.byte1 = dq[1]
                  if RawTemp.8 = 1 then                                         'Check if temperature is a negative reading
                     SignC = Negative                                            
                     RawTemp.lowbyte = RawTemp.lowbyte ^ 255                    'Invert data
                  else
                     SignC = Positive
                  endif
                  dummy = RawTemp.0                                             'Store the half degree indicator bit
                  TempC = ((RawTemp.lowbyte) >> 1) * 100                        'Divide raw data by 2 to give real temperature
                  TempC = TempC + (dummy * 50)                                  'Add the half degree is present
'                 if SignC = Negative then                                      'Only proceed if temperature is negative - doesnt work for F, fine for C
'                    if TempC => 1770 then   
'                       SignF = Negative
'                       TempF = (TempC + 5000) * 900
'                       TempF = div32 500
'                       TempF = TempF - 12200
'                    return 
'                  else
'                      SignF = Positive
'                      TempF = (TempC + 5000) * 900
'                      TempF = div32 500
'                      TempF = 12200 - TempF
'                      return 
'                   endif    
'                 endif
                  SignF = Positive                                              'Sign is +
                  TempF = ((TempC * 18) / 10) + 3200                            'Convert from C to F
                  return