#include"setup.h"
void setup() {
  // put your setup code here, to run once:
   dir();
   volatile char *outf,*inD,*outk;
   volatile long i,j,x,y;
   //volatile char A[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
   outf=0x31;
   outk=0x108;
   inD=0x29;
  while(1){
      for(i=0;i<4;i++){
        *outk=1<<i;
        x=*inD;
        if(*inD!=0){
          y=1<<i;
          if(y==0x01 && x==0x01){
            
            *outf=0x77;
          }
          if(y==0x01 && x==0x02){
             *outf=0x4f;
          }
          if(y==0x01 && x==0x04){
            *outf=0x5b;
          }
          if(y==0x01 && x==0x08){
          *outf=0x06;
        }
          for(j=0;j<1000000;j++);
          *outf=0;
        }
      }
   }
}

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

}