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

void loop() {
  // put your main code here, to run repeatedly:
  volatile char *outf,*outk;
                 outf=0x31;
                outk=0x108;
                *outk=0xFD;
                *outf=0x06;


}