// MCU BASIC: https://www.basic4mcu.com
// DateTime : 2018-06-01 오후 5:00:19
// by Ok-Hyun Park
//
int i,j,k,l;
//
void loop(){
loop1: ;
  if(digitalRead(buttonPin)==LOW){ mode=1; i=j=k=l=0; }
  if(digitalRead(buttonPin2)==LOW){ mode=0; 
    if(i||j||k||l)goto loop2; // 0이 아니면 loop2로 점프
  }
  if(digitalRead(buttonPin3)==LOW){ mode=i=j=k=l=0; }
  //
  show(1,i); delay(delayTime);
  show(2,j); delay(delayTime);
  show(3,k); delay(delayTime);
  show(4,l); delay(delayTime);
  //
  if(mode==1){
    for(i=0; i<10; i++){
      for(j=0; j<10; j++){
        for(k=0; k<10; k++){
          for(l=0; l<10; l++){
            show(1,i); delay(delayTime);
            show(2,j); delay(delayTime);
            show(3,k); delay(delayTime);
            show(4,l); delay(delayTime);
            if(digitalRead(buttonPin2)==LOW)goto loop1; 
            if(digitalRead(buttonPin3)==LOW)goto loop1;
loop2:;
          }
        }
      }
    }
  }
}