unsigned int GetX() {
//reading X
  PORTC.F0 = 1;         // DRIVEA = 1 (LEFT drive on, RIGHT drive on, TOP drive off )
  PORTC.F1 = 0;         // DRIVEB = 0 (BOTTOM drive off )
  Delay_ms(5);
  return ADC_read(0);   // reading X value from RA0 (BOTTOM)
}
unsigned int GetY() {
  //reading Y
  PORTC.F0 = 0;         // DRIVEA = 0 (LEFT drive off , RIGHT drive off , TOP drive on)
  PORTC.F1 = 1;         // DRIVEB = 1 (BOTTOM drive on)
  Delay_ms(5);
  return ADC_read(1);   // reading Y value from RA1 (from LEFT)
}

void main() {
  PORTA = 0x00;
  TRISA = 0x03;         // RA0 i RA1 are analog inputs
  ANSEL = 0x03;
  ANSELH = 0;           // Configure other AN pins as digital I/O
  PORTC = 0 ;
  TRISC = 0 ;          
 // PORTC is output
  ...
  while (1) {
    // read X-Y and display it
    x_coord = GetX();
    y_coord = GetY();
    ...
    Delay_ms(100);
  }
}