doom

#include <Arduino.h>
#include <LiquidCrystal.h>
#include "DOOM.h"

#define LCD_RS    9
#define LCD_EN    8
#define LCD_D0   14 // A0
#define LCD_D1   15 // A1
#define LCD_D2    2
#define LCD_D3    3
#define LCD_D4    4
#define LCD_D5    5
#define LCD_D6    6
#define LCD_D7    7

#define LCD_W    16
#define LCD_H     2

#define EMPTY    "                "
#define STARTMSG "Hello, world!"

LiquidCrystal lcd(LCD_RS, LCD_EN, LCD_D0, LCD_D1, LCD_D2, LCD_D3, LCD_D4,
                  LCD_D5, LCD_D6, LCD_D7);

void drawDOOM_1();
void drawDOOM_2();

void setup() {
  lcd.begin(LCD_W, LCD_H);
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print(STARTMSG);
  delay(1500);
  lcd.clear();
}

void loop() {
  drawDOOM_1();
  delay(27);
  drawDOOM_2();
  delay(27);
}

void drawDOOM_1() {
  lcd.setCursor(4, 1);
  lcd.print("        ");
  lcd.createChar(0, bottom[0]);
  lcd.createChar(1, bottom[1]);
  lcd.createChar(2, bottom[2]);
  lcd.createChar(3, bottom[3]);
  lcd.createChar(4, bottom[4]);
  lcd.createChar(5, bottom[5]);
  lcd.createChar(6, bottom[6]);
  lcd.createChar(7, bottom[7]);

  lcd.setCursor(4, 1);
  lcd.write(byte(0));
  lcd.setCursor(5, 1);
  lcd.write(byte(1));
  lcd.setCursor(6, 1);
  lcd.write(byte(2));
  lcd.setCursor(7, 1);
  lcd.write(byte(3));
  lcd.setCursor(8, 1);
  lcd.write(byte(4));
  lcd.setCursor(9, 1);
  lcd.write(byte(5));
  lcd.setCursor(10, 1);
  lcd.write(byte(6));
  lcd.setCursor(11, 1);
  lcd.write(byte(7));
}

void drawDOOM_2() {
  lcd.setCursor(4, 0);
  lcd.print("        ");
  lcd.createChar(0, top[0]);
  lcd.createChar(1, top[1]);
  lcd.createChar(2, top[2]);
  lcd.createChar(3, top[3]);
  lcd.createChar(4, top[4]);
  lcd.createChar(5, top[5]);
  lcd.createChar(6, top[6]);
  lcd.createChar(7, top[7]);

  lcd.setCursor(4, 0);
  lcd.write(byte(0));
  lcd.setCursor(5, 0);
  lcd.write(byte(1));
  lcd.setCursor(6, 0);
  lcd.write(byte(2));
  lcd.setCursor(7, 0);
  lcd.write(byte(3));
  lcd.setCursor(8, 0);
  lcd.write(byte(4));
  lcd.setCursor(9, 0);
  lcd.write(byte(5));
  lcd.setCursor(10, 0);
  lcd.write(byte(6));
  lcd.setCursor(11, 0);
  lcd.write(byte(7));
}