int pinLED[] = {22, 23, 24, 25, 26, 27, 28, 29};
int jumlahLED = 8;

void setup() {
  DDRA = B00111111;
  //for (int ulang = 0; ulang < jumlahLED; ulang++){
    //pinMode(pinLED[ulang], OUTPUT);
  //}  
}

void loop() {
  PORTA = B10000000;
  for(int ulang = 0; ulang < jumlahLED; ulang++){
    delay(500);
    PORTA >>=1;
    //digitalWrite(pinLED[ulang], HIGH);
    //delay(200);
    //digitalWrite(pinLED[ulang], LOW);
  }
}