added xrick game

original xrick code by 'BigOrno' at:
http://www.bigorno.net/xrick/

Rockbox port, plus bugfixes at:
https://github.com/pierluigi-vicinanza/xrick

Further changes:

 * Additonal fixes from g#3026
 * Port to modern plugin API
 * Add Pluginlib keymap fallback
 * Support all >1bpp screens
 * Fix build warnings in miniz
 * Better error message when resources are missing

Change-Id: Id83928bc2539901b0221692f65cbca41389c58e7

apps/plugins/xrick/data/tiles.h

@@ -0,0 +1,70 @@
+/*
+ * xrick/data/tiles.h
+ *
+ * Copyright (C) 1998-2002 BigOrno (bigorno@bigorno.net).
+ * Copyright (C) 2008-2014 Pierluigi Vicinanza.
+ * All rights reserved.
+ *
+ * The use and distribution terms for this software are contained in the file
+ * named README, which can be found in the root of this distribution. By
+ * using this software in any fashion, you are agreeing to be bound by the
+ * terms of this license.
+ *
+ * You must not remove this notice, or any other, from this software.
+ */
+
+/*
+ * NOTES
+ *
+ * A tile consists in one column and 8 rows of 8 U16 (cga encoding, two
+ * bits per pixel). The tl_tiles array contains all tiles, with the
+ * following structure:
+ *
+ *  0x0000 - 0x00FF  tiles for main intro
+ *  0x0100 - 0x01FF  tiles for map intro
+ *  0x0200 - 0x0327  unused
+ *  0x0328 - 0x0427  game tiles, page 0
+ *  0x0428 - 0x0527  game tiles, page 1
+ *  0x0527 - 0x05FF  unused
+ */
+
+#ifndef _TILES_H
+#define _TILES_H
+
+#include "xrick/system/basic_types.h"
+
+#include "xrick/config.h"
+
+#include <stddef.h> /* size_t */
+
+/*
+ * three special tile numbers
+ */
+enum {
+    TILES_BULLET = 0x01,
+    TILES_BOMB = 0x02,
+    TILES_RICK = 0x03
+};
+
+/*
+ * one single tile
+ */
+enum { TILES_NBR_LINES = 0x08 };
+
+#ifdef GFXPC
+typedef U16 tile_t[TILES_NBR_LINES];
+#endif
+#ifdef GFXST
+typedef U32 tile_t[TILES_NBR_LINES];
+#endif
+
+/*
+ * tiles banks (each bank is 0x100 tiles)
+ */
+enum { TILES_NBR_TILES = 0x100 };
+extern size_t tiles_nbr_banks;
+extern tile_t *tiles_data;
+
+#endif /* ndef _TILES_H */
+
+/* eof */