// Mendeklarasi Analog
#define pushbutton1 A0
#define pushbutton2 A1

// Mendeklarasi Angka
byte angka0[9]={1,1,0,0,0,0,0,0,1};
byte angka1[9]={1,1,1,0,0,1,1,1,1};
byte angka2[9]={1,1,0,0,1,0,0,1,0};
byte angka3[9]={1,1,0,0,0,0,1,1,0};
byte angka4[9]={1,1,1,0,0,1,1,0,0};
byte angka5[9]={1,1,0,1,0,0,1,0,0};
byte angka6[9]={1,1,0,1,0,0,0,0,0};
byte angka7[9]={1,1,0,0,0,1,1,1,1};
byte angka8[9]={1,1,0,0,0,0,0,0,0};
byte angka9[9]={1,1,0,0,0,0,1,0,0};

// mendeklarasi variabel

int i;
int counter = 0;
int buttonmaju = 0;
int buttonmajuakhir = 0;
int buttonmundur = 0;
int buttonmundurakhir = 0;



void setup() 
{
  for (i=2;i<=9;i++){
    pinMode(i, OUTPUT);
}
}

void loop() 
{
  buttonmaju = digitalRead(pushbutton1);
  buttonmundur = digitalRead(pushbutton2);

  if (buttonmaju != buttonmajuakhir) 
  {
    if (buttonmaju == HIGH) 
    {
      if(counter == 9)
      {
        counter = -1;
      }
      counter++;
      
      angkaxd(counter);
      delay(300);
    }
    
   delay(50);
  }


  if (buttonmundur != buttonmundurakhir) 
  {
    if (buttonmundur == HIGH) 
    {
      if(counter == 0)
      {
        counter = 10;
      }
      counter--;
      
      angkaxd(counter);
      delay(300);
    }
    
   delay(50);
  }
  angkaxd(counter);
}





void angkaxd(int tekan)
{
  switch (tekan)
  {
    //angka 0
    case 0:
       for (i=0;i<=9;i++){
       digitalWrite(i,angka0[i]);
  }
  delay(50);
      break;
    //angka 1
    case 1:
       for (i=0;i<=9;i++){
       digitalWrite(i,angka1[i]);
  }
  delay(50);
      break;
    //angka 2
    case 2:
       for (i=0;i<=9;i++){
       digitalWrite(i,angka2[i]);
  }
  delay(50);
      break;
    //angka 3
    case 3:
       for (i=0;i<=9;i++){
       digitalWrite(i,angka3[i]);
  }
  delay(50);
      break;
    //angka 4
    case 4:
       for (i=0;i<=9;i++){
       digitalWrite(i,angka4[i]);
  }
  delay(50);
      break;
    //angka 5
    case 5:
       for (i=0;i<=9;i++){
       digitalWrite(i,angka5[i]);
  }
  delay(50);
      break;
    //angka 6
    case 6:
      for (i=0;i<=9;i++){
       digitalWrite(i,angka6[i]);
  }
  delay(50);
      break;
    //angka 7
    case 7:
       for (i=0;i<=9;i++){
       digitalWrite(i,angka7[i]);
  }
  delay(50);
      break;
    //angka 8
    case 8:
       for (i=0;i<=9;i++){
       digitalWrite(i,angka8[i]);
  }
  delay(50);
      break;
    //angka 9
    case 9:
       for (i=0;i<=9;i++){
       digitalWrite(i,angka9[i]);
  }
  delay(50);
      break;
  }
}