void delay();
void setup() {
  // put your setup code here, to run once:
  volatile char *dir_f;
  dir_f=0x30;
  *dir_f=0xff;
}
void loop() {
  // put your main code here, to run repeatedly:
  volatile char *out_f;
  out_f=0x31;
  *out_f=0x6f; //9
  delay();
 // *out_f=0x7f;
  //delay();
*out_f=0x07;
 delay();
// *out_f=0x7d;
 //delay();
 *out_f=0x6d;
 delay();
// *out_f=0x66;
 //delay();
 *out_f=0x4f;
 delay();
// *out_f=0x5b;
 //delay();
 *out_f=0x06;
 delay();
 //*out_f=0x3f;
 //delay();

}
void delay()
{
  volatile long i;
  for(i=0;i<1000000;i++);
}