int vertPin = 12;
int horzPin = 14;
int selPin = 27;

void setup() {
  Serial.begin(100000);

  pinMode(vertPin, INPUT);
  pinMode(horzPin, INPUT);
  pinMode(selPin, INPUT_PULLUP);
}

void loop() {
  switch(
    map(analogRead(horzPin), 0, 4095, 2, 0) * 10 +
    map(analogRead(vertPin), 0, 4095, 0, 2)
  ) {
    case 0:
      Serial.println("bottom left");
      break;

    case 1:
      Serial.println("center left");
      break;

    case 2:
      Serial.println("top left");
      break;

    case 10:
      Serial.println("bottom center");
      break;

    case 11:
      Serial.println("center center");
      break;

    case 12:
      Serial.println("top center");
      break;

    case 20:
      Serial.println("bottom right");
      break;

    case 21:
      Serial.println("center right");
      break;

    case 22:
      Serial.println("top right");
      break;

    default:
      Serial.println("unknown");
      break;
  }

  Serial.println(!digitalRead(selPin));

  delay(100);
}