void setup() {
  // put your setup code here, to run once:
volatile char *adcl, * adscra,*adscrb,*didr0,*admux,*portk,*ddrk;
adscra=0x7a;
adcl=0x79;
adscrb=0x7b;
didr0=0x7e;
admux=0x7c;
portk=0x108;
ddrk=0x107;
*adscra=0xe3;
*adscrb=0x00;
*didr0=0xff;
*admux=0x00;
*ddrk=0xff;
*portk=*adcl;
}

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

}