I Use the following A ports:

Input1 VAR PORTA.0 'input
Relais1 VAR PORTA.5 'output
Data_In VAR PORTA.4 'serial data
LEDRood VAR PORTA.2 'output

I use the following adcon settings:

LATA = 0
ADCON1 = 7 'poort set as digital

ADCON0 = 0
ADCON2 = 0
TRISA.1 = 1 'Input

TRISA = 255

Fuses are set:

http://www.ttalens.com/images/picbasic/fuses1.JPG