#define XJOY A1
#define YJOY A2
#define SEL_PIN  2

void setup() {
  pinMode(SEL_PIN, INPUT_PULLUP);
  Serial.begin(9600);
}

void loop() {
  int joyX = map(analogRead(XJOY), 0, 1023, -100, 100); 
  int joyY = map(analogRead(YJOY), 0, 1023, -100, 100); 
  bool selPressed = digitalRead(SEL_PIN) == LOW;
  Serial.print(joyX);
  Serial.print(", ");
  Serial.println(joyY);
  Serial.println(selPressed);
}