int A = 8;
int B = 9;
int C = 3;
int D = 4;
int E = 5;
int F = 7;
int G = 6;
int DP = 2;

int KeadaanTombol;
int Ganjil;
int Genap;
int TombolSebelumnya = 1;
int Hitung = 0;


void setup() {
  // put your setup code here, to run once:
  pinMode(2, OUTPUT);
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(6, OUTPUT);
  pinMode(7, OUTPUT);
  pinMode(8, OUTPUT);
  pinMode(9, OUTPUT);
  pinMode(13, INPUT_PULLUP);
  pinMode(12, INPUT_PULLUP);
  pinMode(11, INPUT_PULLUP);
  digitalWrite(DP, HIGH);
  digitalWrite(A, LOW);
  digitalWrite(B, LOW);
  digitalWrite(C, LOW);
  digitalWrite(D, LOW);
  digitalWrite(E, LOW);
  digitalWrite(F, LOW);
  digitalWrite(G, HIGH);
  Serial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
  KeadaanTombol = digitalRead(13);

  if (KeadaanTombol != TombolSebelumnya){
    if (KeadaanTombol == LOW){
      if (Hitung == 9){
        Hitung = -1;
      }
      Hitung ++;
      Serial.println(Hitung);
      TambahAngka (Hitung);
      delay(1000); 
    }
  }

  Ganjil = digitalRead(12);

  if (Ganjil != TombolSebelumnya){
    if (Ganjil == LOW){
      if (Hitung == 9){
        Hitung = -1;
      }
      Hitung ++;
      Serial.println(Hitung);
      LoncatAngka (Hitung);
      delay(500); 
    }
  }

  Genap = digitalRead(11);

  if (Genap != TombolSebelumnya){
    if (Genap == LOW){
      if (Hitung == 9){
        Hitung = -1;
      }
      Hitung ++;
      Serial.println(Hitung);
      LoncatAngka2 (Hitung);
      delay(500); 
    }
  }

}

void TambahAngka (int TampilAngka){
  switch (TampilAngka){
    case 0:
    digitalWrite(A, LOW);
    digitalWrite(B, LOW);
    digitalWrite(C, LOW);
    digitalWrite(D, LOW);
    digitalWrite(E, LOW);
    digitalWrite(F, LOW);
    digitalWrite(G, HIGH);
    break;

    case 1:
    digitalWrite(A, HIGH);
    digitalWrite(B, LOW);
    digitalWrite(C, LOW);
    digitalWrite(D, HIGH);
    digitalWrite(E, HIGH);
    digitalWrite(F, HIGH);
    digitalWrite(G, HIGH);
    break;

    case 2:
    digitalWrite(A, LOW);
    digitalWrite(B, LOW);
    digitalWrite(C, HIGH);
    digitalWrite(D, LOW);
    digitalWrite(E, LOW);
    digitalWrite(F, HIGH);
    digitalWrite(G, LOW);
    break;

    case 3:
    digitalWrite(A, LOW);
    digitalWrite(B, LOW);
    digitalWrite(C, LOW);
    digitalWrite(D, LOW);
    digitalWrite(E, HIGH);
    digitalWrite(F, HIGH);
    digitalWrite(G, LOW);
    break;

    case 4:
    digitalWrite(A, HIGH);
    digitalWrite(B, LOW);
    digitalWrite(C, LOW);
    digitalWrite(D, HIGH);
    digitalWrite(E, HIGH);
    digitalWrite(F, LOW);
    digitalWrite(G, LOW);
    break;

    case 5:
    digitalWrite(A, LOW);
    digitalWrite(B, HIGH);
    digitalWrite(C, LOW);
    digitalWrite(D, LOW);
    digitalWrite(E, HIGH);
    digitalWrite(F, LOW);
    digitalWrite(G, LOW);
    break;

    case 6:
    digitalWrite(A, LOW);
    digitalWrite(B, HIGH);
    digitalWrite(C, LOW);
    digitalWrite(D, LOW);
    digitalWrite(E, LOW);
    digitalWrite(F, LOW);
    digitalWrite(G, LOW);
    break;

    case 7:
    digitalWrite(A, LOW);
    digitalWrite(B, LOW);
    digitalWrite(C, LOW);
    digitalWrite(D, HIGH);
    digitalWrite(E, HIGH);
    digitalWrite(F, HIGH);
    digitalWrite(G, HIGH);
    break;

    case 8:
    digitalWrite(A, LOW);
    digitalWrite(B, LOW);
    digitalWrite(C, LOW);
    digitalWrite(D, LOW);
    digitalWrite(E, LOW);
    digitalWrite(F, LOW);
    digitalWrite(G, LOW);
    break;

    case 9:
    digitalWrite(A, LOW);
    digitalWrite(B, LOW);
    digitalWrite(C, LOW);
    digitalWrite(D, LOW);
    digitalWrite(E, HIGH);
    digitalWrite(F, LOW);
    digitalWrite(G, LOW);
    break;


  }
}

void LoncatAngka (int TampilAngka){
  switch (TampilAngka){
    case 1:
    digitalWrite(A, HIGH);
    digitalWrite(B, LOW);
    digitalWrite(C, LOW);
    digitalWrite(D, HIGH);
    digitalWrite(E, HIGH);
    digitalWrite(F, HIGH);
    digitalWrite(G, HIGH);
    break;

    case 3:
    digitalWrite(A, LOW);
    digitalWrite(B, LOW);
    digitalWrite(C, LOW);
    digitalWrite(D, LOW);
    digitalWrite(E, HIGH);
    digitalWrite(F, HIGH);
    digitalWrite(G, LOW);
    break;

    case 5:
    digitalWrite(A, LOW);
    digitalWrite(B, HIGH);
    digitalWrite(C, LOW);
    digitalWrite(D, LOW);
    digitalWrite(E, HIGH);
    digitalWrite(F, LOW);
    digitalWrite(G, LOW);
    break;

    case 7:
    digitalWrite(A, LOW);
    digitalWrite(B, LOW);
    digitalWrite(C, LOW);
    digitalWrite(D, HIGH);
    digitalWrite(E, HIGH);
    digitalWrite(F, HIGH);
    digitalWrite(G, HIGH);
    break;

    case 9:
    digitalWrite(A, LOW);
    digitalWrite(B, LOW);
    digitalWrite(C, LOW);
    digitalWrite(D, LOW);
    digitalWrite(E, HIGH);
    digitalWrite(F, LOW);
    digitalWrite(G, LOW);
    break;


  }
}

void LoncatAngka2 (int TampilAngka){
  switch (TampilAngka){
    case 0:
    digitalWrite(A, LOW);
    digitalWrite(B, LOW);
    digitalWrite(C, LOW);
    digitalWrite(D, LOW);
    digitalWrite(E, LOW);
    digitalWrite(F, LOW);
    digitalWrite(G, HIGH);
    break;

    case 2:
    digitalWrite(A, LOW);
    digitalWrite(B, LOW);
    digitalWrite(C, HIGH);
    digitalWrite(D, LOW);
    digitalWrite(E, LOW);
    digitalWrite(F, HIGH);
    digitalWrite(G, LOW);
    break;

    case 4:
    digitalWrite(A, HIGH);
    digitalWrite(B, LOW);
    digitalWrite(C, LOW);
    digitalWrite(D, HIGH);
    digitalWrite(E, HIGH);
    digitalWrite(F, LOW);
    digitalWrite(G, LOW);
    break;

    case 6:
    digitalWrite(A, LOW);
    digitalWrite(B, HIGH);
    digitalWrite(C, LOW);
    digitalWrite(D, LOW);
    digitalWrite(E, LOW);
    digitalWrite(F, LOW);
    digitalWrite(G, LOW);
    break;

    case 8:
    digitalWrite(A, LOW);
    digitalWrite(B, LOW);
    digitalWrite(C, LOW);
    digitalWrite(D, LOW);
    digitalWrite(E, LOW);
    digitalWrite(F, LOW);
    digitalWrite(G, LOW);
    break;

  }
}