rockbox/apps/plugins/xworld/awendian.h
Franklin Wei 33cb13dee5 Xworld - Another World interpreter for Rockbox
Co-conspirators: Franklin Wei, Benjamin Brown

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This work is based on:
- Fabien Sanglard's "Fabother World" based on
- Piotr Padkowski's newRaw interpreter which was based on
- Gregory Montoir's reverse engineering of
- Eric Chahi's assembly code

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Progress:

* The plugin runs pretty nicely (with sound!) on most color targets
* Keymaps for color LCD targets are complete
* The manual entry is finished
* Grayscale/monochrome support is NOT PLANNED
  - the game looks horrible in grayscale! :p

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Notes:

* The original game strings were built-in to the executable, and
  were copyrighted and could not be used.
* This port ships with an alternate set of strings by default, but
  can load the "official" strings from a file at runtime.

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To be done (in descending order of importance):

* vertical stride compatibility                          <30% done>
* optimization                                           <10% done>

Change-Id: I3155b0d97c2ac470cb8a2040f40d4139ddcebfa5
Reviewed-on: http://gerrit.rockbox.org/1077
Reviewed-by: Michael Giacomelli <giac2000@hotmail.com>
2014-12-23 23:48:12 +01:00

51 lines
1.6 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2014 Franklin Wei, Benjamin Brown
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
#ifndef __SYS_H__
#define __SYS_H__
#include "rbendian.h"
#include "stdint.h"
#ifdef ROCKBOX_LITTLE_ENDIAN
#define SYS_LITTLE_ENDIAN
#else
#define SYS_BIG_ENDIAN
#endif
#if defined SYS_LITTLE_ENDIAN
#define READ_BE_UINT16(p) ((((const uint8_t*)p)[0] << 8) | ((const uint8_t*)p)[1])
#define READ_BE_UINT32(p) ((((const uint8_t*)p)[0] << 24) | (((const uint8_t*)p)[1] << 16) | (((const uint8_t*)p)[2] << 8) | ((const uint8_t*)p)[3])
#elif defined SYS_BIG_ENDIAN
#define READ_BE_UINT16(p) (*(const uint16_t*)p)
#define READ_BE_UINT32(p) (*(const uint32_t*)p)
#else
#error No endianness defined
#endif
#endif