void setup()
{
  volatile char *dirf,*outf;
  volatile char *dirk,*ink;
  dirf=0x30; outf=0x31;
  dirk=0x107; ink=0x106;
  *dirf=0xFF; *ink=0x00;
  volatile char switches;
  volatile long arr1[]={6,91,79,102,109,125,7,127,111};
  volatile long arr2[]={1,2,4,8,16,32,64,128};
  volatile long i,j,k,n;
   while(1)
    {
      switches=*ink;
      for(i=0;i<=7;i++)
      {
        if((switches & arr2[i]) == arr2[i])
        {
          int val=i;
          for(n=0;n<=50000;n++);
          while(1)
          {
            for(n=0;n<=50000;n++);
            switches=*ink;
              for(j=val;j<=8;j++)
             {
              *outf=arr1[j];
              for(k=0;k<=100000;k++);
             }
          }
        }
      }
    }
}