// These are connected to 74HC595 shift register (used to show game score):
const int LATCH_PIN = A1;  // 74HC595 pin 12
const int DATA_PIN = A0;  // 74HC595pin 14
const int CLOCK_PIN = A2;  // 74HC595 pin 11

int count =0;

void setup() {
  pinMode(LATCH_PIN, OUTPUT);
  pinMode(CLOCK_PIN, OUTPUT);
  pinMode(DATA_PIN, OUTPUT);
  digitalWrite(LATCH_PIN, LOW);
}

/* Digit table for the 7-segment display */
const uint8_t digitTable[] = {
  0b11000000,
  0b11111001,
  0b10100100,
  0b10110000,
  0b10011001,
  0b10010010,
  0b10000010,
  0b11111000,
  0b10000000,
  0b10010000,
};

void loop() {
  shiftOut(DATA_PIN, CLOCK_PIN, MSBFIRST, digitTable[count]);

  digitalWrite(LATCH_PIN, HIGH);
  digitalWrite(LATCH_PIN, LOW);

  delay(1000);

  if (count== 9){
    count =0;
  } else{
    count+=1;
  }
}