#include <LedControl.h>

int ledDIN = 13;
int ledCS =  12;
int ledCLK = 11;
LedControl lc=LedControl(ledDIN,ledCLK,ledCS,0);

int rowPL = 10;
int rowCP = 9;
int rowQ7 = 8;
int rowCE = 7;

void setup(){
 lc.shutdown(0,false);       
 lc.setIntensity(0,15);

 pinMode(rowQ7, INPUT);
 pinMode(rowPL, OUTPUT);
 pinMode(rowCP, OUTPUT);
 pinMode(rowCE, OUTPUT);

 //Serial.begin(9600);
}

void loop(){ 
  digitalWrite(rowPL, LOW);
  digitalWrite(rowPL, HIGH);

  digitalWrite(rowCP, HIGH);
  digitalWrite(rowCE, LOW);
  byte incoming = shiftIn(rowQ7, rowCP, MSBFIRST);
  digitalWrite(rowCE, HIGH);

  lc.setRow(0, 7, incoming);
  //Serial.println(incoming, BIN);
  //delay(500);
  //printMove("a5g5");  
 }

void printMove(char move[]) {
  if (move[1] != move[3]) {
    lc.setRow(0, 7 - (move[1] - '1'), pow(2, move[0] - 'a'));
    lc.setRow(0, 7 - (move[3] - '1'), pow(2, move[2] - 'a'));
  } else {
    lc.setRow(0, 7 - (move[1] - '1'), pow(2, move[0] - 'a') + pow(2, move[2] - 'a'));
  }
}