void setup() {
  // put your setup code here, to run once:
volatile char *dirf,*dirk;
dirf=0x30;
*dirf=0xFF;
dirk=0x107;
*dirk=0xFF;

}

void loop() {
  // put your main code here, to run repeatedly:
  volatile char *outf_a,*outk_c;
  outf_a=0x31;
  outk_c=0x108;
  *outf_a=0x01;
  *outk_c=0x10;
  delay(1000);
}