#include "quadDisplay.h"

#define K_ROWS 4

void setup() {
  // put your setup code here, to run once:
  volatile char *dirf,*dirk,*dira,*dird;
  dirf=0x30; *dirf=0xff;
  dirk=0x107; *dirk=0x00;
  dira=0x21; *dira=0xff;
  dird=0x2a; *dird=0xff;
}

void loop() {
  // put your main code here, to run repeatedly:
  volatile char *outf,*ink,*outa,*outd,readInput,j=0;
  outf=0x31; ink=0x106; outa=0x22; outd=0x2b;
  while(1){
    for(int i=0;i<K_ROWS;i++){
      *outf=1<<i;
      readInput=*ink;
      if(readInput!=0){
        outvalue(*outf,readInput);
      }
    }
  }
}