void main()
{
  short b;
  //Delay_ms(1000);
          PORTB ^= 0xFF;
  TRISA = 0b11111111;    // RA0-RA7 - inputs
  PORTB = 0b00000000;     // Set all outputs to 0
  //TRISB = 0xc0;     // Make all RB0-RB5 into outputs, RB6-RB7 to inputs
  TRISB = 0b11000000;     // Make all RB0-RB5 into outputs, RB6-RB7 to inputs
  Delay_ms(100);   // Give chip time to cool off