#include <LiquidCrystal_I2C.h>

#define Horizontal A0
#define Vertical A1
#define Sel 2

int y;
int x;
LiquidCrystal_I2C display(0x27, 20, 4);

void setup() {

  pinMode(Horizontal, INPUT);
  pinMode(Vertical, INPUT);
  pinMode(Sel, INPUT_PULLUP);

  display.init();
  display.backlight();

}

void loop() {
  display.setCursor(x,y);
  display.print("+");

  int verticalStick = analogRead(Vertical);
  int horizontalStick = analogRead(Horizontal);

  

  if (horizontalStick == 1023 && verticalStick == 512){
   x--;

  } else if  (horizontalStick == 0 && verticalStick == 512){
    x++;

  } else if (horizontalStick == 512 && verticalStick == 1023){
    y--;
   
  } else if (horizontalStick == 512 && verticalStick == 0){
    y++;

  }

  if (x > 19){
    x = 0;
  } else if (x < 0) {
    x = 19;
  }

  if (y > 3) {
    y = 0;
  } else if (y < 0){
    y = 3;
  }

  delay(90);  
  display.clear();
}