const int ButtonTeamA = A0;
const int ButtonTeamB = A1;
const int ButtonReset = A2;
const byte digitMap[] = {
  0x3F, 
  0x06, 
  0x5B, 
  0x4F, 
  0x66, 
  0x6D, 
  0x7D, 
  0x07, 
  0x7F, 
  0x6F  
};

void setup() {
  DDRD = 0b01111111;
  pinMode(ButtonTeamA, INPUT_PULLUP);
  pinMode(ButtonTeamB, INPUT_PULLUP);
  pinMode(ButtonReset, INPUT_PULLUP);
  pinMode(8, OUTPUT); 
  pinMode(9, OUTPUT); 
  pinMode(10, OUTPUT); 
  pinMode(11, OUTPUT); 
}

void displayDigit(int digit, int displayPin) {
  PORTD = digitMap[digit];
  digitalWrite(displayPin, LOW); 
  delay(5); 
  digitalWrite(displayPin, HIGH); 
}
int Segment1 = 0;
int Segment1_digit2 = 0;
int Segment2 = 0;
int Segment2_digit2 = 0;
int scoreTeamA = 0;
int scoreTeamB = 0;

void loop() {
  displayDigit(Segment1, 8);
  displayDigit(Segment1_digit2, 9);
  displayDigit(Segment2, 10);
  displayDigit(Segment2_digit2, 11);

  if (digitalRead(ButtonTeamA) == LOW) {
    delay(500);
    scoreTeamA++;
    if (scoreTeamA >= 15 || scoreTeamB >= 15) {
      scoreTeamA = 0;
      scoreTeamB = 0;
      Segment1 = 0;
      Segment1_digit2 = 0;
      Segment2 = 0;
      Segment2_digit2 = 0;
      displayDigit(0, 8); 
      displayDigit(0, 9); 
      displayDigit(0, 10); 
      displayDigit(0, 11);
    }
    int ones = scoreTeamA % 10;
    int tens = (scoreTeamA / 10) % 10;
    Segment1 = ones;
    Segment1_digit2 = tens;
    displayDigit(ones, 8); 
    displayDigit(tens, 9); 
  } else if (digitalRead(ButtonTeamB) == LOW) {
    delay(500);
    scoreTeamB++;
    if (scoreTeamA >= 15 || scoreTeamB >= 15) {
      scoreTeamA = 0;
      scoreTeamB = 0;
      Segment1 = 0;
      Segment1_digit2 = 0;
      Segment2 = 0;
      Segment2_digit2 = 0;
      displayDigit(0, 8); 
      displayDigit(0, 9); 
      displayDigit(0, 10); 
      displayDigit(0, 11);
    }
    int ones = scoreTeamB % 10;
    int tens = (scoreTeamB / 10) % 10;
    Segment2 = ones ;
    Segment2_digit2 = tens ;

    displayDigit(ones, 10); 
    displayDigit(tens, 11); 
  } else if (digitalRead(ButtonReset) == LOW) {
    delay(500);
    scoreTeamA = 0;
    scoreTeamB = 0;
    Segment1 = 0;
    Segment1_digit2 = 0;
    Segment2 = 0;
    Segment2_digit2 = 0;
    displayDigit(0, 8); 
    displayDigit(0, 9); 
    displayDigit(0, 10); 
    displayDigit(0, 11); 
  }
}