Implement nost-pack tool

src/core/gba/gba.hpp

@@ -0,0 +1,28 @@
+/*
+ * Copyright 2016-2017 gtalent2@gmail.com
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+namespace nostalgia {
+namespace core {
+
+typedef struct { uint32_t data[8]; } Tile, Tile4;
+// d-tile: double-sized tile (8bpp)
+typedef struct { uint32_t data[16]; } Tile8;
+// tile block: 32x16 tiles, 16x16 d-tiles
+typedef unsigned short Pallete[256];
+typedef Tile  CharBlock[512];
+typedef Tile8 CharBlock8[256];
+
+struct GbaImageData {
+	Pallete pal;
+	uint8_t tiles[1];
+};
+
+}
+}