#pragma GCC diagnostic error "-Wmisspelled-isr"

// Interrupt for ATN pin
ISR(PCINT2_vect){
  isINT2 = true;
  vectATN = (portD^PORTD);
  portmATN = portD;
  portrATN = PORTD;
  // Has PCINT23 fired?
  if ((portD^PORTD) == 0b10000000) {
    statATN = ((PORTD) & 0b10000000);
    // isATN = true of pin is LOW
    isATN = (PORTD & 0b10000000) ? false : true;
  }
}