// Display 9999 to 0 in loop with dealy, do not display the prefix 0
void setup() {
  // put your setup code here, to run once:
  volatile char *dirf,*dirk,*dira,*dirc,*dirL,*dirB;
  volatile char *outf,*outk,*outa,*outc,*outL,*outB;
  volatile long a[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x67};
  volatile long b[]={0xBF,0x86,0xDB,0xCF,0xE6,0xED,0xFD,0x87,0xFF,0xE7};
  volatile long i,j,x,k,k1,second=0,mint=0,hour=0,am=1,pm=1;
  dirf = 0x30; outf = 0x31; 
  dirk = 0x107; outk = 0x108;
  dira = 0x21; outa = 0x22;
  dirc = 0x27; outc = 0x28;
  dirL = 0x10A; outL = 0x10B;
  dirB = 0x24;  outB = 0x25;
  loop:if(am<12)
  second=1,mint=1,hour=1;
  while(second<61)
  {
  for(i=1;i<61;i++)
  {
    k=i/10;
    k1=i%10;
    *outL=a[k];
    *outB=a[k1];
    for(j=0;j<5000;j++);
  }
  if(second == mint)
  {
     k=second%10;
     k1=second/10;
     *outc=a[k];
     *outa=a[k1];
     mint++;
  }
  second++;
  if(mint==60)
  {
    k=mint%10;
    k1=mint/10;
    *outc=a[k];
    *outa=a[k1];
  }
  if(mint==60)
  { 
    k=hour/10;
    k1=hour%10;
    
    *outf=a[k];
    *outk=a[k1];
    mint=1;
    second=1;
    hour++;
  }
  if(hour==13)
  {
    break;
  }
  }
 
  am+1;
  goto loop;
  
}



void loop() {
  // put your main code here, to run repeatedly:

}