A_buttons.ino

//The three pins connected to their respective ports
//on the shift registers
int CLK_PIN = 10;
int DATA_PIN = 11;
int LATCH_PIN = 12;

void setup() {

  //Configure out shift-register outputs
  pinMode(CLK_PIN, OUTPUT);
  pinMode(DATA_PIN, OUTPUT);
  pinMode(LATCH_PIN, OUTPUT);;
}

void loop() {
  //Check input - have any buttons been pressed? Update variables to account for what buttons have been pressed.
  //check gamestate - has enough time passed for us to do a "tick" of gamestate? If so update the appropriate variables
  //    and the board display
  //check displayUpdate - has enough time passed to need to update the display? If so, take the appropriate actions
  //    to update the state of the board

}

void checkInput(){
}

void checkGamestate(){ 
}

void displayUpdate(){ 
}

void sendIntToDisplay(int input){
  //Make sure clock and latch are low before we start, since they 
  //Trigger on a rising-edge
  digitalWrite(CLK_PIN, LOW);
  digitalWrite(LATCH_PIN, LOW);

  //Clock out the data
  shiftOut(DATA_PIN, CLK_PIN, LSBFIRST, lowByte(input));
  shiftOut(DATA_PIN, CLK_PIN, LSBFIRST, highByte(input));

  //Latch the data in
  digitalWrite(LATCH_PIN, HIGH);
}