i use this:
ADCIN 0, adval ' Read channel 0 to adval
dummy = adval * 5 * 100 ' Multiply to load internal registers with 32-bit value
value = Div32 1023 ' Divide 32-bit value by word and store in word
Lcdout $fe,1, "VOLT : ", DEC value/10,".", DEC value//10, " V"