commit

2022-01-04 14:47:34 -08:00
parent c882f07089
commit c9ebb85d13
25 changed files with 297 additions and 302 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -76,4 +76,7 @@ yarn.lock

 *.log
 obj
-res
+res
+
+./out.c
+./out.c.png
--- a/Font.aseprite
+++ b/Font.aseprite
--- a/data.png
+++ b/data.png
--- a/font.png
+++ b/font.png
--- a/images/Font.aseprite
+++ b/images/Font.aseprite
--- a/images/font.png
+++ b/images/font.png
--- a/out.c
+++ b/out.c
@@ -1,72 +0,0 @@
-#include "../libs.h"
-
-#define IMAGE_WIDTH 64
-#define IMAGE_HEIGHT 64
-#define IMAGE_TILES 64
-
-const uint8_t IMAGE[] = {
-  0x06,0x06,0x0E,0x0E,0x1E,0x1E,0x1C,0x1C,0x38,0x38,0x30,0x30,0x00,0x00,0x40,0x40,
-  0x48,0x48,0x48,0x48,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x24,0x24,0x00,0x3E,0x24,0x64,0x00,0x3C,0x24,0x26,0x24,0x66,0x00,0x3C,0x24,0x24,
-  0x02,0x02,0x44,0x44,0x64,0x64,0x08,0x08,0x10,0x10,0x20,0x20,0x26,0x26,0x44,0x44,
-  0x38,0x38,0x44,0x44,0x44,0x44,0x38,0x38,0x30,0x30,0x4A,0x4A,0x44,0x44,0x3A,0x3A,
-  0x10,0x10,0x10,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x08,0x08,0x10,0x10,0x10,0x10,0x20,0x20,0x20,0x20,0x10,0x10,0x10,0x10,0x08,0x08,
-  0x10,0x10,0x08,0x08,0x08,0x08,0x04,0x04,0x04,0x04,0x08,0x08,0x08,0x08,0x10,0x10,
-  0x10,0x10,0x38,0x38,0x10,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x10,0x10,0x10,0x10,0x7C,0x7C,0x10,0x10,0x10,0x10,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x30,0x40,0x40,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7E,0x7E,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x40,0x40,
-  0x02,0x02,0x04,0x04,0x04,0x04,0x08,0x08,0x10,0x10,0x20,0x20,0x20,0x20,0x40,0x40,
-  0x3C,0x3C,0x66,0x66,0x66,0x66,0x66,0x66,0x66,0x66,0x66,0x66,0x66,0x66,0x3C,0x3C,
-  0x18,0x18,0x38,0x38,0x78,0x78,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x7E,0x7E,
-  0x3C,0x3C,0x66,0x66,0x66,0x66,0x06,0x06,0x1C,0x1C,0x38,0x38,0x70,0x70,0x7E,0x7E,
-  0x3C,0x3C,0x66,0x66,0x66,0x66,0x0C,0x0C,0x0E,0x0E,0x66,0x66,0x66,0x66,0x3C,0x3C,
-  0x0E,0x0E,0x1E,0x1E,0x36,0x36,0x66,0x66,0x7E,0x7E,0x06,0x06,0x06,0x06,0x06,0x06,
-  0x7E,0x7E,0x60,0x60,0x60,0x60,0x7C,0x7C,0x06,0x06,0x66,0x66,0x66,0x66,0x3C,0x3C,
-  0x3C,0x3C,0x66,0x66,0x60,0x60,0x7C,0x7C,0x66,0x66,0x66,0x66,0x66,0x66,0x3C,0x3C,
-  0x7E,0x7E,0x06,0x06,0x06,0x06,0x0C,0x0C,0x0C,0x0C,0x18,0x18,0x38,0x38,0x30,0x30,
-  0x3C,0x3C,0x66,0x66,0x66,0x66,0x3C,0x3C,0x66,0x66,0x66,0x66,0x66,0x66,0x3C,0x3C,
-  0x3E,0x3E,0x66,0x66,0x66,0x66,0x66,0x66,0x3E,0x3E,0x06,0x06,0x06,0x06,0x06,0x06,
-  0x00,0x00,0x18,0x18,0x18,0x18,0x00,0x00,0x00,0x00,0x18,0x18,0x18,0x18,0x00,0x00,
-  0x00,0x00,0x18,0x18,0x18,0x18,0x00,0x00,0x00,0x00,0x18,0x18,0x08,0x08,0x10,0x10,
-  0x00,0x00,0x00,0x00,0x08,0x08,0x10,0x10,0x20,0x20,0x10,0x10,0x08,0x08,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x7E,0x7E,0x00,0x00,0x7E,0x7E,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x10,0x10,0x08,0x08,0x04,0x04,0x08,0x08,0x10,0x10,0x00,0x00,
-  0x1C,0x1C,0x22,0x22,0x22,0x22,0x02,0x02,0x04,0x04,0x08,0x08,0x00,0x00,0x08,0x08,
-  0x3C,0x3C,0x42,0x42,0x5A,0x5A,0x6A,0x6A,0x6A,0x6A,0x5A,0x5A,0x44,0x44,0x3A,0x3A,
-  0x18,0x18,0x24,0x24,0x24,0x24,0x24,0x24,0x42,0x42,0x7E,0x7E,0x42,0x42,0x42,0x42,
-  0x7C,0x7C,0x42,0x42,0x42,0x42,0x7C,0x7C,0x42,0x42,0x42,0x42,0x42,0x42,0x7C,0x7C,
-  0x3C,0x3C,0x42,0x42,0x42,0x42,0x40,0x40,0x40,0x40,0x40,0x40,0x42,0x42,0x3C,0x3C,
-  0x7C,0x7C,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x7C,0x7C,
-  0x7E,0x7E,0x40,0x40,0x40,0x40,0x78,0x78,0x40,0x40,0x40,0x40,0x40,0x40,0x7E,0x7E,
-  0x7E,0x7E,0x40,0x40,0x40,0x40,0x7C,0x7C,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,
-  0x3C,0x3C,0x42,0x42,0x42,0x42,0x40,0x40,0x4E,0x4E,0x42,0x42,0x42,0x42,0x3C,0x3C,
-  0x42,0x42,0x42,0x42,0x42,0x42,0x7E,0x7E,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,
-  0x38,0x38,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x38,0x38,
-  0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x42,0x42,0x42,0x42,0x3C,0x3C,
-  0x42,0x42,0x44,0x44,0x48,0x48,0x70,0x70,0x48,0x48,0x44,0x44,0x42,0x42,0x42,0x42,
-  0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x7C,0x7C,
-  0x42,0x42,0x42,0x42,0x66,0x66,0x5A,0x5A,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,
-  0x42,0x42,0x42,0x42,0x62,0x62,0x52,0x52,0x4A,0x4A,0x46,0x46,0x42,0x42,0x42,0x42,
-  0x3C,0x3C,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x3C,0x3C,
-  0x7C,0x7C,0x42,0x42,0x42,0x42,0x42,0x42,0x7C,0x7C,0x40,0x40,0x40,0x40,0x40,0x40,
-  0x3C,0x3C,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x4A,0x4A,0x44,0x44,0x38,0x38,
-  0x7C,0x7C,0x42,0x42,0x42,0x42,0x42,0x42,0x7C,0x7C,0x48,0x48,0x44,0x44,0x42,0x42,
-  0x3C,0x3C,0x42,0x42,0x40,0x40,0x3C,0x3C,0x02,0x02,0x02,0x02,0x42,0x42,0x3C,0x3C,
-  0xFE,0xFE,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,
-  0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x3C,0x3C,
-  0x82,0x82,0x82,0x82,0x82,0x82,0x44,0x44,0x44,0x44,0x28,0x28,0x28,0x28,0x10,0x10,
-  0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x5A,0x5A,0x66,0x66,0x42,0x42,
-  0x42,0x42,0x42,0x42,0x24,0x24,0x18,0x18,0x18,0x18,0x24,0x24,0x42,0x42,0x42,0x42,
-  0x82,0x82,0x82,0x82,0x44,0x44,0x44,0x44,0x38,0x38,0x10,0x10,0x10,0x10,0x10,0x10,
-  0x7E,0x7E,0x02,0x02,0x04,0x04,0x08,0x08,0x10,0x10,0x20,0x20,0x40,0x40,0x7E,0x7E,
-  0x18,0x18,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x18,0x18,
-  0x40,0x40,0x20,0x20,0x20,0x20,0x10,0x10,0x08,0x08,0x04,0x04,0x04,0x04,0x02,0x02,
-  0x18,0x18,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x18,0x18,
-  0x10,0x10,0x28,0x28,0x44,0x44,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7E,0x7E,
-  0x10,0x10,0x08,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-}
--- a/out.c.png
+++ b/out.c.png
--- a/scripts/png2gb/index.js
+++ b/scripts/png2gb/index.js
@@ -86,4 +86,4 @@ const convert = (fileIn, fileOut) => {
  require('./../gb2png/')(bits, `${fileOut}.png`);
 }

-convert('font.png', 'out.c');
+convert('images/font.png', 'out.c');
--- a/src/common_tiles.c
+++ b/src/common_tiles.c
@@ -0,0 +1,15 @@
+/**
+ * Copyright (c) 2022 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "common_tiles.h"
+
+const uint8_t COMMON_TILES[] = {
+  0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
+  0xFF,0x00,0xFF,0x00,0xFF,0x00,0xFF,0x00,0xFF,0x00,0xFF,0x00,0xFF,0x00,0xFF,0x00,
+  0x00,0xFF,0x00,0xFF,0x00,0xFF,0x00,0xFF,0x00,0xFF,0x00,0xFF,0x00,0xFF,0x00,0xFF,
+  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
+};
--- a/src/common_tiles.h
+++ b/src/common_tiles.h
@@ -0,0 +1,18 @@
+/**
+ * Copyright (c) 2022 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "libs.h"
+
+#define COMMON_TILE_COUNT 0x04
+
+#define COMMON_TILE_0 0x00
+#define COMMON_TILE_1 0x01
+#define COMMON_TILE_2 0x02
+#define COMMON_TILE_3 0x03
+
+extern const uint8_t COMMON_TILES[];
--- a/src/font.c
+++ b/src/font.c
@@ -0,0 +1,75 @@
+/**
+ * Copyright (c) 2022 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "font.h"
+
+const uint8_t FONT_DATA[] = {
+  0x06,0x06,0x0E,0x0E,0x1C,0x1C,0x38,0x38,0x70,0x70,0x20,0x20,0x80,0x80,0x00,0x00,
+  0x48,0x48,0x48,0x48,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+  0x24,0x24,0x7E,0x7E,0x24,0x24,0x24,0x24,0x7E,0x7E,0x24,0x24,0x00,0x00,0x00,0x00,
+  0x08,0x08,0x3E,0x3E,0x28,0x28,0x3E,0x3E,0x0A,0x0A,0x3E,0x3E,0x08,0x08,0x00,0x00,
+  0x02,0x02,0x64,0x64,0x48,0x48,0x08,0x08,0x10,0x10,0x22,0x22,0x46,0x46,0x00,0x00,
+  0x38,0x38,0x44,0x44,0x4C,0x4C,0x38,0x38,0x44,0x44,0x44,0x44,0x3A,0x3A,0x00,0x00,
+  0x10,0x10,0x10,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+  0x04,0x04,0x08,0x08,0x10,0x10,0x10,0x10,0x10,0x10,0x08,0x08,0x04,0x04,0x00,0x00,
+  0x40,0x40,0x20,0x20,0x10,0x10,0x10,0x10,0x10,0x10,0x20,0x20,0x40,0x40,0x00,0x00,
+  0xA0,0xA0,0x40,0x40,0xA0,0xA0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+  0x00,0x00,0x10,0x10,0x10,0x10,0x7C,0x7C,0x10,0x10,0x10,0x10,0x00,0x00,0x00,0x00,
+  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x10,0x20,0x20,0x00,0x00,
+  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7C,0x7C,0x00,0x00,0x00,0x00,0x00,0x00,
+  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+  0x04,0x04,0x08,0x08,0x08,0x08,0x10,0x10,0x20,0x20,0x20,0x20,0x40,0x40,0x00,0x00,
+  0x7C,0x7C,0xCE,0xCE,0xD6,0xD6,0xD6,0xD6,0xD6,0xD6,0xE6,0xE6,0x7C,0x7C,0x00,0x00,
+  0x18,0x18,0x38,0x38,0x78,0x78,0x18,0x18,0x18,0x18,0x18,0x18,0x7E,0x7E,0x00,0x00,
+  0x3C,0x3C,0x66,0x66,0x66,0x66,0x06,0x06,0x1C,0x1C,0x38,0x38,0x7E,0x7E,0x00,0x00,
+  0x3C,0x3C,0x66,0x66,0x66,0x66,0x0C,0x0C,0x66,0x66,0x66,0x66,0x3C,0x3C,0x00,0x00,
+  0x3C,0x3C,0x6C,0x6C,0xCC,0xCC,0xCC,0xCC,0xFE,0xFE,0x0C,0x0C,0x0C,0x0C,0x00,0x00,
+  0x7E,0x7E,0x60,0x60,0x60,0x60,0x7C,0x7C,0x06,0x06,0x66,0x66,0x7C,0x7C,0x00,0x00,
+  0x7C,0x7C,0xE6,0xE6,0xE0,0xE0,0xFC,0xFC,0xE6,0xE6,0xE6,0xE6,0x7C,0x7C,0x00,0x00,
+  0x7E,0x7E,0x06,0x06,0x06,0x06,0x0C,0x0C,0x38,0x38,0x30,0x30,0x30,0x30,0x00,0x00,
+  0x3C,0x3C,0x66,0x66,0x66,0x66,0x3C,0x3C,0x66,0x66,0x66,0x66,0x3C,0x3C,0x00,0x00,
+  0x3C,0x3C,0x66,0x66,0x66,0x66,0x3E,0x3E,0x06,0x06,0x06,0x06,0x3C,0x3C,0x00,0x00,
+  0x00,0x00,0x60,0x60,0x60,0x60,0x00,0x00,0x00,0x00,0x60,0x60,0x60,0x60,0x00,0x00,
+  0x00,0x00,0x60,0x60,0x60,0x60,0x00,0x00,0x00,0x00,0x60,0x60,0x20,0x20,0x00,0x00,
+  0x00,0x00,0x00,0x00,0x04,0x04,0x08,0x08,0x10,0x10,0x08,0x08,0x04,0x04,0x00,0x00,
+  0x00,0x00,0x00,0x00,0x00,0x00,0x7C,0x7C,0x00,0x00,0x7C,0x7C,0x00,0x00,0x00,0x00,
+  0x00,0x00,0x00,0x00,0x40,0x40,0x20,0x20,0x10,0x10,0x20,0x20,0x40,0x40,0x00,0x00,
+  0x1C,0x1C,0x22,0x22,0x02,0x02,0x04,0x04,0x08,0x08,0x00,0x00,0x08,0x08,0x00,0x00,
+  0x3C,0x3C,0x42,0x42,0x5A,0x5A,0x6A,0x6A,0x7A,0x7A,0x46,0x46,0x3C,0x3C,0x00,0x00,
+  0x18,0x18,0x24,0x24,0x24,0x24,0x24,0x24,0x42,0x42,0x7E,0x7E,0x42,0x42,0x00,0x00,
+  0x7C,0x7C,0x42,0x42,0x42,0x42,0x7C,0x7C,0x42,0x42,0x42,0x42,0x7C,0x7C,0x00,0x00,
+  0x3C,0x3C,0x42,0x42,0x42,0x42,0x40,0x40,0x42,0x42,0x42,0x42,0x3C,0x3C,0x00,0x00,
+  0x7C,0x7C,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x7C,0x7C,0x00,0x00,
+  0x7E,0x7E,0x40,0x40,0x40,0x40,0x78,0x78,0x40,0x40,0x40,0x40,0x7E,0x7E,0x00,0x00,
+  0x7E,0x7E,0x40,0x40,0x40,0x40,0x7C,0x7C,0x40,0x40,0x40,0x40,0x40,0x40,0x00,0x00,
+  0x3C,0x3C,0x42,0x42,0x40,0x40,0x40,0x40,0x4E,0x4E,0x42,0x42,0x3C,0x3C,0x00,0x00,
+  0x42,0x42,0x42,0x42,0x42,0x42,0x7E,0x7E,0x42,0x42,0x42,0x42,0x42,0x42,0x00,0x00,
+  0x7C,0x7C,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x7C,0x7C,0x00,0x00,
+  0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x42,0x42,0x42,0x42,0x3C,0x3C,0x00,0x00,
+  0x42,0x42,0x44,0x44,0x48,0x48,0x70,0x70,0x48,0x48,0x44,0x44,0x42,0x42,0x00,0x00,
+  0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x7C,0x7C,0x00,0x00,
+  0x42,0x42,0x42,0x42,0x66,0x66,0x5A,0x5A,0x42,0x42,0x42,0x42,0x42,0x42,0x00,0x00,
+  0x42,0x42,0x42,0x42,0x62,0x62,0x52,0x52,0x4A,0x4A,0x46,0x46,0x42,0x42,0x00,0x00,
+  0x3C,0x3C,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x3C,0x3C,0x00,0x00,
+  0x7C,0x7C,0x42,0x42,0x42,0x42,0x7C,0x7C,0x40,0x40,0x40,0x40,0x40,0x40,0x00,0x00,
+  0x3C,0x3C,0x42,0x42,0x42,0x42,0x42,0x42,0x4A,0x4A,0x44,0x44,0x3A,0x3A,0x00,0x00,
+  0x7C,0x7C,0x42,0x42,0x42,0x42,0x7C,0x7C,0x50,0x50,0x48,0x48,0x44,0x44,0x00,0x00,
+  0x3C,0x3C,0x42,0x42,0x40,0x40,0x3C,0x3C,0x02,0x02,0x42,0x42,0x3C,0x3C,0x00,0x00,
+  0x7C,0x7C,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x00,0x00,
+  0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x3C,0x3C,0x00,0x00,
+  0x82,0x82,0x82,0x82,0x82,0x82,0x44,0x44,0x44,0x44,0x28,0x28,0x10,0x10,0x00,0x00,
+  0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x5A,0x5A,0x66,0x66,0x42,0x42,0x00,0x00,
+  0x42,0x42,0x42,0x42,0x24,0x24,0x18,0x18,0x24,0x24,0x42,0x42,0x42,0x42,0x00,0x00,
+  0x82,0x82,0x82,0x82,0x44,0x44,0x28,0x28,0x10,0x10,0x10,0x10,0x10,0x10,0x00,0x00,
+  0x7E,0x7E,0x04,0x04,0x08,0x08,0x10,0x10,0x20,0x20,0x40,0x40,0x7E,0x7E,0x00,0x00,
+  0x0C,0x0C,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x0C,0x0C,0x00,0x00,
+  0x40,0x40,0x20,0x20,0x20,0x20,0x10,0x10,0x08,0x08,0x08,0x08,0x04,0x04,0x00,0x00,
+  0x60,0x60,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x60,0x60,0x00,0x00,
+  0x10,0x10,0x28,0x28,0x44,0x44,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7C,0x7C,0x00,0x00,
+  0x10,0x10,0x08,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+};
--- a/src/images/font.h
+++ b/src/images/font.h
@@ -5,10 +5,11 @@
 * https://opensource.org/licenses/MIT
 */

-#include "../libs.h"
+#pragma once
+#include "libs.h"

-#define IMAGE_WIDTH 64
-#define IMAGE_HEIGHT 64
-#define IMAGE_TILES 64
+#define FONT_IMAGE_WIDTH 64
+#define FONT_IMAGE_HEIGHT 64
+#define FONT_TILE_COUNT 64

 extern const uint8_t FONT_DATA[];
--- a/src/images/font.c
+++ b/src/images/font.c
@@ -1,75 +0,0 @@
-/**
- * Copyright (c) 2022 Dominic Masters
- * 
- * This software is released under the MIT License.
- * https://opensource.org/licenses/MIT
- */
-
-#include "font.h"
-
-const uint8_t FONT_DATA[] = {
-  0x06,0x06,0x0E,0x0E,0x1E,0x1E,0x1C,0x1C,0x38,0x38,0x30,0x30,0x00,0x00,0x40,0x40,
-  0x48,0x48,0x48,0x48,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x24,0x24,0x00,0x3E,0x24,0x64,0x00,0x3C,0x24,0x26,0x24,0x66,0x00,0x3C,0x24,0x24,
-  0x02,0x02,0x44,0x44,0x64,0x64,0x08,0x08,0x10,0x10,0x20,0x20,0x26,0x26,0x44,0x44,
-  0x38,0x38,0x44,0x44,0x44,0x44,0x38,0x38,0x30,0x30,0x4A,0x4A,0x44,0x44,0x3A,0x3A,
-  0x10,0x10,0x10,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x08,0x08,0x10,0x10,0x10,0x10,0x20,0x20,0x20,0x20,0x10,0x10,0x10,0x10,0x08,0x08,
-  0x10,0x10,0x08,0x08,0x08,0x08,0x04,0x04,0x04,0x04,0x08,0x08,0x08,0x08,0x10,0x10,
-  0x10,0x10,0x38,0x38,0x10,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x10,0x10,0x10,0x10,0x7C,0x7C,0x10,0x10,0x10,0x10,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x30,0x40,0x40,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7E,0x7E,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x40,0x40,
-  0x02,0x02,0x04,0x04,0x04,0x04,0x08,0x08,0x10,0x10,0x20,0x20,0x20,0x20,0x40,0x40,
-  0x3C,0x3C,0x66,0x66,0x66,0x66,0x66,0x66,0x66,0x66,0x66,0x66,0x66,0x66,0x3C,0x3C,
-  0x18,0x18,0x38,0x38,0x78,0x78,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x7E,0x7E,
-  0x3C,0x3C,0x66,0x66,0x66,0x66,0x06,0x06,0x1C,0x1C,0x38,0x38,0x70,0x70,0x7E,0x7E,
-  0x3C,0x3C,0x66,0x66,0x66,0x66,0x0C,0x0C,0x0E,0x0E,0x66,0x66,0x66,0x66,0x3C,0x3C,
-  0x0E,0x0E,0x1E,0x1E,0x36,0x36,0x66,0x66,0x7E,0x7E,0x06,0x06,0x06,0x06,0x06,0x06,
-  0x7E,0x7E,0x60,0x60,0x60,0x60,0x7C,0x7C,0x06,0x06,0x66,0x66,0x66,0x66,0x3C,0x3C,
-  0x3C,0x3C,0x66,0x66,0x60,0x60,0x7C,0x7C,0x66,0x66,0x66,0x66,0x66,0x66,0x3C,0x3C,
-  0x7E,0x7E,0x06,0x06,0x06,0x06,0x0C,0x0C,0x0C,0x0C,0x18,0x18,0x38,0x38,0x30,0x30,
-  0x3C,0x3C,0x66,0x66,0x66,0x66,0x3C,0x3C,0x66,0x66,0x66,0x66,0x66,0x66,0x3C,0x3C,
-  0x3E,0x3E,0x66,0x66,0x66,0x66,0x66,0x66,0x3E,0x3E,0x06,0x06,0x06,0x06,0x06,0x06,
-  0x00,0x00,0x18,0x18,0x18,0x18,0x00,0x00,0x00,0x00,0x18,0x18,0x18,0x18,0x00,0x00,
-  0x00,0x00,0x18,0x18,0x18,0x18,0x00,0x00,0x00,0x00,0x18,0x18,0x08,0x08,0x10,0x10,
-  0x00,0x00,0x00,0x00,0x08,0x08,0x10,0x10,0x20,0x20,0x10,0x10,0x08,0x08,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x7E,0x7E,0x00,0x00,0x7E,0x7E,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x10,0x10,0x08,0x08,0x04,0x04,0x08,0x08,0x10,0x10,0x00,0x00,
-  0x1C,0x1C,0x22,0x22,0x22,0x22,0x02,0x02,0x04,0x04,0x08,0x08,0x00,0x00,0x08,0x08,
-  0x3C,0x3C,0x42,0x42,0x5A,0x5A,0x6A,0x6A,0x6A,0x6A,0x5A,0x5A,0x44,0x44,0x3A,0x3A,
-  0x18,0x18,0x24,0x24,0x24,0x24,0x24,0x24,0x42,0x42,0x7E,0x7E,0x42,0x42,0x42,0x42,
-  0x7C,0x7C,0x42,0x42,0x42,0x42,0x7C,0x7C,0x42,0x42,0x42,0x42,0x42,0x42,0x7C,0x7C,
-  0x3C,0x3C,0x42,0x42,0x42,0x42,0x40,0x40,0x40,0x40,0x40,0x40,0x42,0x42,0x3C,0x3C,
-  0x7C,0x7C,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x7C,0x7C,
-  0x7E,0x7E,0x40,0x40,0x40,0x40,0x78,0x78,0x40,0x40,0x40,0x40,0x40,0x40,0x7E,0x7E,
-  0x7E,0x7E,0x40,0x40,0x40,0x40,0x7C,0x7C,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,
-  0x3C,0x3C,0x42,0x42,0x42,0x42,0x40,0x40,0x4E,0x4E,0x42,0x42,0x42,0x42,0x3C,0x3C,
-  0x42,0x42,0x42,0x42,0x42,0x42,0x7E,0x7E,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,
-  0x38,0x38,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x38,0x38,
-  0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x42,0x42,0x42,0x42,0x3C,0x3C,
-  0x42,0x42,0x44,0x44,0x48,0x48,0x70,0x70,0x48,0x48,0x44,0x44,0x42,0x42,0x42,0x42,
-  0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x7C,0x7C,
-  0x42,0x42,0x42,0x42,0x66,0x66,0x5A,0x5A,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,
-  0x42,0x42,0x42,0x42,0x62,0x62,0x52,0x52,0x4A,0x4A,0x46,0x46,0x42,0x42,0x42,0x42,
-  0x3C,0x3C,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x3C,0x3C,
-  0x7C,0x7C,0x42,0x42,0x42,0x42,0x42,0x42,0x7C,0x7C,0x40,0x40,0x40,0x40,0x40,0x40,
-  0x3C,0x3C,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x4A,0x4A,0x44,0x44,0x38,0x38,
-  0x7C,0x7C,0x42,0x42,0x42,0x42,0x42,0x42,0x7C,0x7C,0x48,0x48,0x44,0x44,0x42,0x42,
-  0x3C,0x3C,0x42,0x42,0x40,0x40,0x3C,0x3C,0x02,0x02,0x02,0x02,0x42,0x42,0x3C,0x3C,
-  0xFE,0xFE,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,
-  0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x3C,0x3C,
-  0x82,0x82,0x82,0x82,0x82,0x82,0x44,0x44,0x44,0x44,0x28,0x28,0x28,0x28,0x10,0x10,
-  0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x5A,0x5A,0x66,0x66,0x42,0x42,
-  0x42,0x42,0x42,0x42,0x24,0x24,0x18,0x18,0x18,0x18,0x24,0x24,0x42,0x42,0x42,0x42,
-  0x82,0x82,0x82,0x82,0x44,0x44,0x44,0x44,0x38,0x38,0x10,0x10,0x10,0x10,0x10,0x10,
-  0x7E,0x7E,0x02,0x02,0x04,0x04,0x08,0x08,0x10,0x10,0x20,0x20,0x40,0x40,0x7E,0x7E,
-  0x18,0x18,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x18,0x18,
-  0x40,0x40,0x20,0x20,0x20,0x20,0x10,0x10,0x08,0x08,0x04,0x04,0x04,0x04,0x02,0x02,
-  0x18,0x18,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x18,0x18,
-  0x10,0x10,0x28,0x28,0x44,0x44,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7E,0x7E,
-  0x10,0x10,0x08,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-};
--- a/src/libs.h
+++ b/src/libs.h
@@ -6,13 +6,7 @@
 */

 #pragma once
-
-#ifndef _LIBS_H
-#define _LIBS_H
-
 #include <gb/gb.h>
 #include <stdint.h>
 #include <stdio.h>
-#include <stdbool.h>
-
-#endif
+#include <stdbool.h>
--- a/src/main.c
+++ b/src/main.c
@@ -6,58 +6,30 @@
 */

 #include "libs.h"
-#include "text.h"
+#include "textbox.h"
+#include "time.h"
+#include "common_tiles.h"

-const uint8_t std_data[] = {
-  /* Basic tiles (0xFC to 0xFF) */
-  0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
-  0xFF,0x00,0xFF,0x00,0xFF,0x00,0xFF,0x00,0xFF,0x00,0xFF,0x00,0xFF,0x00,0xFF,0x00,
-  0x00,0xFF,0x00,0xFF,0x00,0xFF,0x00,0xFF,0x00,0xFF,0x00,0xFF,0x00,0xFF,0x00,0xFF,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
-};
-
-#define NBDFRAMES 0x18                  /* Nb frames for the door */
-#define NBSFRAMES 0x07                  /* Nb frames for the sprite */
-#define WINSZX    0x80                  /* Size of the picture in the window */
-#define WINSZY    0x50
-#define MINWINX   (MAXWNDPOSX-WINSZX+1) /* Bounds of the window origin */
-#define MINWINY   (MAXWNDPOSY-WINSZY+1)
-#define MAXWINX   MAXWNDPOSX
-#define MAXWINY   MAXWNDPOSY
-#define FADESTEP  0x10                  /* Nb steps for the fading effect */
-#define STARTFADE (0x06*FADESTEP)       /* Initial value for the fading effect */
-
-#define CLOSED  0x00
-#define OPENING 0x01
-#define OPENED  0x02
-#define CLOSING 0x03
-
-static uint8_t time = 0;/* Global "time" value (counter) */

 void main() {
-  uint8_t i;
  int16_t j;
+  uint8_t filled[0x20*0x20];

  disable_interrupts();
  DISPLAY_OFF;
-  LCDC_REG = LCDCF_OFF | LCDCF_BG8800 | LCDCF_BG9800 | LCDCF_BGON;
-  /*
-   * LCD        = Off
-   * BG Chr     = 0x8800
-   * BG Bank    = 0x9800
-   * BG         = On
-   */
-  BGP_REG = 0xE4U;
+  LCDC_REG = LCDCF_OFF | LCDCF_WIN9C00 | LCDCF_BG8800 | LCDCF_BG9800 | LCDCF_BGON;
+  BGP_REG = OBP0_REG = OBP1_REG = 0xE4U;

-  set_bkg_data(0x00, 0x04, std_data);
-  set_bkg_data(0x04, FONT_TILE_COUNT, FONT);
+  // Upload the common tiles.
+  set_bkg_data(0x00, COMMON_TILE_COUNT, COMMON_TILES);
+
+  // Init the textbox
+  textboxInit();

  // Fill screen white
-  uint8_t filled[0x20*0x20];
-  for(j = 0; j < 0x20*0x20; j++) {
-    filled[j] = 0x00;
-  }
+  for(j = 0; j < 0x20*0x20; j++) filled[j] = COMMON_TILE_0;
  set_bkg_tiles(0x00, 0x00, 0x20, 0x20, filled);
+  
  SCX_REG = 0x00;
  SCY_REG = 0x00;

@@ -65,18 +37,12 @@ void main() {
  enable_interrupts();
  wait_vbl_done();

-  // Now set BKG tiles
-  uint8_t bkg_tiles[FONT_TILE_COUNT];
-  for(i = 0; i < FONT_TILE_COUNT; i++) {
-    bkg_tiles[i] = i;
-  }
-  set_bkg_tiles(0, 0, 0x08, 0x08, bkg_tiles);
+  // Testing.
+  textboxSetText("HELLO WORLD.\nHOW ARE YOU?", 25);

  while(1) {
-    /* Skip four VBLs (slow down animation) */
-    for(i = 0; i < 4; i++) {
-      wait_vbl_done();
-    }
+    wait_vbl_done();
+    textboxUpdate();
    time++;
  }
 }
--- a/src/text.c
+++ b/src/text.c
@@ -1,75 +0,0 @@
-/**
- * Copyright (c) 2021 Dominic Masters
- * 
- * This software is released under the MIT License.
- * https://opensource.org/licenses/MIT
- */
-
-#include "text.h"
-
-const uint8_t FONT[] = {
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0xC0,
-  0x01,0x01,0x00,0x00,0x21,0x21,0x70,0x70,0x0F,0x0F,0x00,0x00,0x7E,0x7E,0x30,0x30,
-  0x0C,0x0C,0x00,0x00,0x61,0x61,0xF8,0xF8,0x74,0x74,0x81,0x81,0x81,0x81,0x08,0x08,
-  0x3C,0x3C,0x81,0x81,0xFF,0xFF,0x88,0x88,0x84,0x84,0xFF,0xFF,0x81,0x81,0x0F,0x0F,
-  0x78,0x78,0x66,0x66,0xFF,0xFF,0x88,0x88,0x84,0x84,0x81,0x81,0x85,0x85,0x08,0x08,
-  0xF0,0xF0,0x18,0x18,0x01,0x01,0xFF,0xFF,0x74,0x74,0x00,0x00,0x82,0x82,0x30,0x30,
-  0xE0,0xE0,0x00,0x00,0x01,0x01,0xFF,0xFF,0x0F,0x0F,0x00,0x00,0x7C,0x7C,0xC0,0xC0,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-  0xC0,0xC0,0x00,0x00,0x63,0x63,0x00,0x00,0xFF,0xFF,0x06,0x06,0xFF,0xFF,0x83,0x83,
-  0x00,0x00,0x40,0x40,0xE7,0xE7,0x00,0x00,0x91,0x91,0x01,0x01,0x88,0x88,0x85,0x85,
-  0x00,0x00,0xE0,0xE0,0x8F,0x8F,0x66,0x66,0x91,0x91,0x01,0x01,0x88,0x88,0x89,0x89,
-  0xC0,0xC0,0x40,0x40,0x8D,0x8D,0x66,0x66,0x91,0x91,0x01,0x01,0x8C,0x8C,0x91,0x91,
-  0x00,0x00,0x00,0x00,0xF9,0xF9,0x00,0x00,0x91,0x91,0x01,0x01,0x8A,0x8A,0xA1,0xA1,
-  0x00,0x00,0x00,0x00,0x71,0x71,0x00,0x00,0x6E,0x6E,0xFE,0xFE,0x71,0x71,0xC1,0xC1,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x10,0x10,0x66,0x66,0x00,0x00,0x7E,0x7E,0xFF,0xFF,0x62,0x62,0x00,0x00,
-  0x00,0x00,0x10,0x10,0xE7,0xE7,0x00,0x00,0x81,0x81,0x10,0x10,0x91,0x91,0x00,0x00,
-  0x00,0x00,0x7C,0x7C,0x81,0x81,0x65,0x65,0x81,0x81,0x10,0x10,0x91,0x91,0xFF,0xFF,
-  0x00,0x00,0x10,0x10,0x99,0x99,0x66,0x66,0x81,0x81,0x28,0x28,0x91,0x91,0x81,0x81,
-  0x00,0x00,0x10,0x10,0xFF,0xFF,0x00,0x00,0x81,0x81,0x44,0x44,0x91,0x91,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x6E,0x6E,0x00,0x00,0x62,0x62,0x83,0x83,0x4E,0x4E,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x80,0x00,0x00,
-  0x00,0x24,0x01,0x01,0x18,0x18,0x00,0x00,0xFF,0xFF,0xFF,0xFF,0x80,0x80,0x80,0x80,
-  0xAD,0xFF,0x02,0x02,0x38,0x38,0x08,0x08,0x81,0x81,0x01,0x01,0x80,0x80,0x60,0x60,
-  0x00,0x52,0x02,0x02,0x68,0x68,0x14,0x14,0x81,0x81,0x01,0x01,0xFF,0xFF,0x10,0x10,
-  0x00,0x52,0x00,0x00,0xC8,0xC8,0x22,0x22,0x81,0x81,0x01,0x01,0x80,0x80,0x08,0x08,
-  0xAD,0xFF,0x00,0x00,0xFF,0xFF,0x00,0x00,0x81,0x81,0x01,0x01,0x80,0x80,0x06,0x06,
-  0x00,0x4C,0x00,0x00,0xFF,0xFF,0x00,0x00,0x7E,0x7E,0x00,0x00,0x80,0x80,0x01,0x01,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x61,0x61,0x08,0x08,0xF6,0xF6,0x14,0x14,0xFF,0xFF,0xFF,0xFF,0xFE,0xFE,0x00,0x00,
-  0x26,0x26,0x08,0x08,0xF7,0xF7,0x14,0x14,0x91,0x91,0x20,0x20,0x01,0x01,0x00,0x00,
-  0x08,0x08,0x08,0x08,0x91,0x91,0x14,0x14,0x91,0x91,0x10,0x10,0x01,0x01,0x81,0x81,
-  0x10,0x10,0x08,0x08,0x91,0x91,0x14,0x14,0x91,0x91,0x10,0x10,0x01,0x01,0xFF,0xFF,
-  0x63,0x63,0x08,0x08,0x9F,0x9F,0x14,0x14,0x81,0x81,0x20,0x20,0x01,0x01,0x00,0x00,
-  0x82,0x82,0x08,0x08,0x8E,0x8E,0x14,0x14,0x81,0x81,0xFF,0xFF,0xFE,0xFE,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xE0,0xE0,0x00,0x00,
-  0x66,0x66,0x01,0x01,0x7E,0x7E,0x00,0x00,0xFF,0xFF,0xFF,0xFF,0x18,0x18,0x20,0x20,
-  0x99,0x99,0x00,0x00,0xFF,0xFF,0x00,0x00,0x90,0x90,0x20,0x20,0x06,0x06,0x40,0x40,
-  0x99,0x99,0x00,0x00,0x91,0x91,0x22,0x22,0x90,0x90,0x10,0x10,0x01,0x01,0x80,0x80,
-  0x95,0x95,0x00,0x00,0x91,0x91,0x14,0x14,0x90,0x90,0x08,0x08,0x06,0x06,0x40,0x40,
-  0x62,0x62,0x00,0x00,0xDF,0xDF,0x08,0x08,0x90,0x90,0x04,0x04,0x18,0x18,0x20,0x20,
-  0x05,0x05,0x00,0x00,0x4E,0x4E,0x00,0x00,0x80,0x80,0xFF,0xFF,0xE0,0xE0,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x01,0x01,0x80,0x80,0x00,0x00,0x7E,0x7E,0x7E,0x7E,0xFF,0xFF,0x01,0x01,
-  0x00,0x00,0x06,0x06,0x83,0x83,0x60,0x60,0x81,0x81,0x81,0x81,0x02,0x02,0x01,0x01,
-  0xC0,0xC0,0x08,0x08,0x87,0x87,0x80,0x80,0x81,0x81,0x81,0x81,0x04,0x04,0x01,0x01,
-  0x00,0x00,0x10,0x10,0x9E,0x9E,0x85,0x85,0x89,0x89,0x81,0x81,0x04,0x04,0x01,0x01,
-  0x00,0x00,0x60,0x60,0xF8,0xF8,0x88,0x88,0x89,0x89,0x81,0x81,0x02,0x02,0x01,0x01,
-  0x00,0x00,0x80,0x80,0xE0,0xE0,0x70,0x70,0x6E,0x6E,0x7E,0x7E,0xFF,0xFF,0x01,0x01,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x7E,0x7E,0x6E,0x6E,0x7E,0x7E,0xFF,0xFF,0xFF,0xFF,0xC3,0xC3,0x00,0x00,
-  0x18,0x18,0xFF,0xFF,0xFF,0xFF,0x99,0x99,0x10,0x10,0x88,0x88,0x24,0x24,0x00,0x00,
-  0x66,0x66,0x81,0x81,0x91,0x91,0xA5,0xA5,0x10,0x10,0x88,0x88,0x18,0x18,0x80,0x80,
-  0x81,0x81,0x81,0x81,0x91,0x91,0xBD,0xBD,0x10,0x10,0x88,0x88,0x18,0x18,0x40,0x40,
-  0x00,0x00,0xFF,0xFF,0xFF,0xFF,0x82,0x82,0x10,0x10,0x88,0x88,0x24,0x24,0x00,0x00,
-  0x00,0x00,0x7E,0x7E,0x6E,0x6E,0x7D,0x7D,0xFF,0xFF,0x70,0x70,0xC3,0xC3,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
-};
--- a/src/text.h
+++ b/src/text.h
@@ -1,16 +0,0 @@
-/**
- * Copyright (c) 2021 Dominic Masters
- * 
- * This software is released under the MIT License.
- * https://opensource.org/licenses/MIT
- */
-
-#ifndef _TEXT_H
-#define _TEXT_H
-#include "libs.h"
-
-#define FONT_TILE_COUNT 64
-
-extern const uint8_t FONT[];
-
-#endif
--- a/src/textbox.c
+++ b/src/textbox.c
@@ -0,0 +1,85 @@
+/**
+ * Copyright (c) 2022 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "textbox.h"
+
+char *TEXTBOX_TEXT;
+uint8_t TEXTBOX_TEXT_LENGTH;
+uint8_t TEXTBOX_STATE;
+uint8_t TEXTBOX_SCROLL;
+
+
+void textboxInit() {
+  TEXTBOX_TEXT = NULL;
+  TEXTBOX_STATE = 0;
+  TEXTBOX_TEXT_LENGTH = 0;
+  TEXTBOX_SCROLL = 0;
+  move_win(7, SCREENHEIGHT - (TEXTBOX_TILES_ROWS * 8));
+
+  set_win_data(TEXTBOX_TILES_DATA_POSITION, FONT_TILE_COUNT, FONT_DATA);
+}
+
+void textboxSetText(char *text, uint8_t length) {
+  uint8_t tiles[TEXTBOX_TILES_MAX];
+  uint8_t i;
+
+  TEXTBOX_TEXT = text;
+  TEXTBOX_TEXT_LENGTH = length;
+  TEXTBOX_STATE = TEXTBOX_STATE_VISIBLE;
+  TEXTBOX_SCROLL = 0;
+
+  for(i = 0; i < TEXTBOX_TILES_MAX; i++) tiles[i] = TEXTBOX_TILE_BLANK;
+
+  set_win_tiles(0, 0, TEXTBOX_TILES_PER_ROW, TEXTBOX_TILES_ROWS, tiles);
+  SHOW_WIN;
+}
+
+void textboxClose() {
+  TEXTBOX_STATE &= ~TEXTBOX_STATE_VISIBLE;
+  HIDE_WIN;
+}
+
+void textboxUpdate() {
+  uint8_t tiles[TEXTBOX_TILES_MAX];
+  uint8_t i, j;
+
+  if(!(TEXTBOX_STATE & TEXTBOX_STATE_VISIBLE)) return;
+  if(TEXTBOX_STATE & TEXTBOX_STATE_SCROLLED) {
+    return;
+  }
+
+  TEXTBOX_SCROLL++;
+  j = 0;
+  for(i = 0; i < TEXTBOX_SCROLL; i++) {
+    if(TEXTBOX_TEXT[i] == ' ') {
+      j++;
+      continue;
+    }
+    if(TEXTBOX_TEXT[i] == '\n') {
+      j = TEXTBOX_TILES_PER_ROW;
+      continue;
+    }
+    tiles[j] = TILE_FROM_CHAR(TEXTBOX_TEXT[i]);
+    j++;
+  }
+
+
+  for(i = j; i < TEXTBOX_TILES_MAX; i++) {
+    tiles[i] = TEXTBOX_TILE_BLANK;
+  }
+
+  set_win_tiles(
+    0, 0,
+    TEXTBOX_TILES_PER_ROW,
+    TEXTBOX_TILES_ROWS,
+    tiles
+  );
+
+  if(TEXTBOX_SCROLL == TEXTBOX_TEXT_LENGTH) {
+    TEXTBOX_STATE |= TEXTBOX_STATE_SCROLLED;
+  }
+}
--- a/src/textbox.h
+++ b/src/textbox.h
@@ -0,0 +1,34 @@
+/**
+ * Copyright (c) 2022 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "libs.h"
+#include "font.h"
+#include "util.h"
+#include "common_tiles.h"
+
+#define TEXTBOX_STATE_VISIBLE 1 << 0
+#define TEXTBOX_STATE_SCROLLED 1 << 1
+
+#define TEXTBOX_TILES_PER_ROW 20
+#define TEXTBOX_TILES_ROWS 2
+#define TEXTBOX_TILES_MAX TEXTBOX_TILES_PER_ROW * TEXTBOX_TILES_ROWS
+#define TEXTBOX_CHARACTER_FIRST 33
+#define TEXTBOX_TILE_BLANK COMMON_TILE_3
+
+#define TEXTBOX_TILES_DATA_POSITION 0x04
+
+#define TILE_FROM_CHAR(c) c-TEXTBOX_CHARACTER_FIRST+TEXTBOX_TILES_DATA_POSITION
+
+extern char *TEXTBOX_TEXT;
+extern uint8_t TEXTBOX_TEXT_LENGTH;
+extern uint8_t TEXTBOX_STATE;
+extern uint8_t TEXTBOX_SCROLL;
+
+void textboxInit();
+void textboxSetText(char *text, uint8_t length);
+void textboxUpdate();
--- a/src/tiles.h
+++ b/src/tiles.h
@@ -0,0 +1,9 @@
+/**
+ * Copyright (c) 2022 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "libs.h"
--- a/src/time.c
+++ b/src/time.c
@@ -0,0 +1,10 @@
+/**
+ * Copyright (c) 2022 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "time.h"
+
+uint8_t time = 0;
--- a/src/time.h
+++ b/src/time.h
@@ -0,0 +1,11 @@
+/**
+ * Copyright (c) 2022 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "libs.h"
+
+extern uint8_t time;
--- a/src/util.h
+++ b/src/util.h
@@ -0,0 +1,12 @@
+/**
+ * Copyright (c) 2022 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "libs.h"
+
+#define MATH_MIN(a, b) a > b ? b : a
+#define MATH_MAX(a, b) a < b ? b : a
--- a/test.png
+++ b/test.png