5d849a963e
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29189 a1c6a512-1295-4272-9138-f99709370657
483 lines
13 KiB
C
483 lines
13 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Gameboy emulator based on gnuboy
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "plugin.h"
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#include "lib/helper.h"
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#include "loader.h"
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#include "rockmacros.h"
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#include "input.h"
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#include "emu.h"
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#include "hw.h"
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#include "pcm.h"
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int shut,cleanshut;
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char *errormsg;
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#define optionname "options"
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void die(char *message, ...)
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{
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shut=1;
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errormsg=message;
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}
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struct options options;
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void *audio_bufferbase;
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void *audio_bufferpointer;
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size_t audio_buffer_free;
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void *my_malloc(size_t size)
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{
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void *alloc;
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if (size + 4 > audio_buffer_free)
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return 0;
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alloc = audio_bufferpointer;
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audio_bufferpointer += size + 4;
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audio_buffer_free -= size + 4;
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return alloc;
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}
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static void setoptions (void)
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{
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int fd;
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DIR* dir;
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char optionsave[sizeof(savedir)+sizeof(optionname)];
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dir=rb->opendir(savedir);
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if(!dir)
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rb->mkdir(savedir);
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else
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rb->closedir(dir);
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snprintf(optionsave, sizeof(optionsave), "%s/%s", savedir, optionname);
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fd = open(optionsave, O_RDONLY);
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int optionssize = sizeof(options);
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int filesize = 0;
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if(fd >= 0)
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filesize = rb->filesize(fd);
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/* don't read the option file if the size
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* is not as expected to avoid crash */
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if(fd < 0 || filesize!=optionssize)
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{
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/* no options to read, set defaults */
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#ifdef HAVE_TOUCHSCREEN
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options.LEFT = BUTTON_MIDLEFT;
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options.RIGHT = BUTTON_MIDRIGHT;
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#else
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options.LEFT = BUTTON_LEFT;
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options.RIGHT = BUTTON_RIGHT;
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#endif
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#if CONFIG_KEYPAD == IRIVER_H100_PAD
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options.UP = BUTTON_UP;
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options.DOWN = BUTTON_DOWN;
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options.A = BUTTON_ON;
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options.B = BUTTON_OFF;
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options.START = BUTTON_REC;
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options.SELECT = BUTTON_SELECT;
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options.MENU = BUTTON_MODE;
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#elif CONFIG_KEYPAD == IRIVER_H300_PAD
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options.UP = BUTTON_UP;
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options.DOWN = BUTTON_DOWN;
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options.A = BUTTON_REC;
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options.B = BUTTON_MODE;
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options.START = BUTTON_ON;
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options.SELECT = BUTTON_SELECT;
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options.MENU = BUTTON_OFF;
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#elif CONFIG_KEYPAD == RECORDER_PAD
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options.UP = BUTTON_UP;
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options.DOWN = BUTTON_DOWN;
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options.A = BUTTON_F1;
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options.B = BUTTON_F2;
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options.START = BUTTON_F3;
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options.SELECT = BUTTON_PLAY;
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options.MENU = BUTTON_OFF;
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#elif CONFIG_KEYPAD == IPOD_4G_PAD
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options.UP = BUTTON_MENU;
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options.DOWN = BUTTON_PLAY;
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options.A = BUTTON_NONE;
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options.B = BUTTON_NONE;
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options.START = BUTTON_SELECT;
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options.SELECT = BUTTON_NONE;
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options.MENU = (BUTTON_SELECT | BUTTON_REPEAT);
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#elif CONFIG_KEYPAD == IRIVER_IFP7XX_PAD
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options.UP = BUTTON_UP;
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options.DOWN = BUTTON_DOWN;
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options.A = BUTTON_PLAY;
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options.B = BUTTON_EQ;
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options.START = BUTTON_MODE;
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options.SELECT = (BUTTON_SELECT | BUTTON_REL);
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options.MENU = (BUTTON_SELECT | BUTTON_REPEAT);
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#elif CONFIG_KEYPAD == GIGABEAT_PAD
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options.UP = BUTTON_UP;
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options.DOWN = BUTTON_DOWN;
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options.A = BUTTON_VOL_UP;
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options.B = BUTTON_VOL_DOWN;
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options.START = BUTTON_A;
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options.SELECT = BUTTON_SELECT;
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options.MENU = BUTTON_MENU;
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#elif CONFIG_KEYPAD == SANSA_E200_PAD
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options.UP = BUTTON_UP;
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options.DOWN = BUTTON_DOWN;
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options.A = BUTTON_SELECT;
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options.B = BUTTON_REC;
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options.START = BUTTON_SCROLL_BACK;
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options.SELECT = BUTTON_SCROLL_FWD;
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options.MENU = BUTTON_POWER;
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#elif CONFIG_KEYPAD == SANSA_FUZE_PAD
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options.UP = BUTTON_UP;
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options.DOWN = BUTTON_DOWN;
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options.A = BUTTON_SELECT;
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options.B = BUTTON_HOME;
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options.START = BUTTON_SCROLL_BACK;
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options.SELECT = BUTTON_SCROLL_FWD;
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options.MENU = BUTTON_POWER;
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#elif CONFIG_KEYPAD == SANSA_C200_PAD
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options.UP = BUTTON_UP;
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options.DOWN = BUTTON_DOWN;
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options.A = BUTTON_SELECT;
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options.B = BUTTON_REC;
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options.START = BUTTON_VOL_DOWN;
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options.SELECT = BUTTON_VOL_UP;
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options.MENU = BUTTON_POWER;
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#elif CONFIG_KEYPAD == SANSA_CLIP_PAD
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options.UP = BUTTON_UP;
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options.DOWN = BUTTON_DOWN;
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options.A = BUTTON_SELECT;
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options.B = BUTTON_HOME;
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options.START = BUTTON_VOL_DOWN;
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options.SELECT = BUTTON_VOL_UP;
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options.MENU = BUTTON_POWER;
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#elif CONFIG_KEYPAD == IAUDIO_X5M5_PAD
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options.UP = BUTTON_UP;
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options.DOWN = BUTTON_DOWN;
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options.A = BUTTON_PLAY;
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options.B = BUTTON_REC;
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options.START = BUTTON_SELECT;
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options.SELECT = BUTTON_NONE;
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options.MENU = BUTTON_POWER;
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#elif CONFIG_KEYPAD == IRIVER_H10_PAD
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options.UP = BUTTON_SCROLL_UP;
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options.DOWN = BUTTON_SCROLL_DOWN;
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options.A = BUTTON_PLAY;
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options.B = BUTTON_FF;
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options.START = BUTTON_REW;
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options.SELECT = BUTTON_NONE;
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options.MENU = BUTTON_POWER;
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#elif CONFIG_KEYPAD == MROBE500_PAD
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options.MENU = BUTTON_POWER;
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#elif CONFIG_KEYPAD == COWON_D2_PAD
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options.A = BUTTON_PLUS;
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options.B = BUTTON_MINUS;
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options.MENU = BUTTON_MENU;
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#elif CONFIG_KEYPAD == GIGABEAT_S_PAD
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options.UP = BUTTON_UP;
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options.DOWN = BUTTON_DOWN;
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options.A = BUTTON_VOL_UP;
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options.B = BUTTON_VOL_DOWN;
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options.START = BUTTON_PLAY;
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options.SELECT = BUTTON_SELECT;
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options.MENU = BUTTON_MENU;
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#elif CONFIG_KEYPAD == CREATIVEZVM_PAD
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options.UP = BUTTON_UP;
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options.DOWN = BUTTON_DOWN;
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options.A = BUTTON_CUSTOM;
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options.B = BUTTON_PLAY;
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options.START = BUTTON_BACK;
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options.SELECT = BUTTON_SELECT;
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options.MENU = BUTTON_MENU;
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#elif CONFIG_KEYPAD == PHILIPS_HDD1630_PAD
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options.UP = BUTTON_UP;
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options.DOWN = BUTTON_DOWN;
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options.A = BUTTON_VOL_UP;
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options.B = BUTTON_VOL_DOWN;
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options.START = BUTTON_VIEW;
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options.SELECT = BUTTON_SELECT;
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options.MENU = BUTTON_MENU;
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#elif CONFIG_KEYPAD == PHILIPS_HDD6330_PAD
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options.UP = BUTTON_UP;
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options.DOWN = BUTTON_DOWN;
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options.A = BUTTON_VOL_UP;
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options.B = BUTTON_VOL_DOWN;
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options.START = BUTTON_NEXT;
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options.SELECT = BUTTON_PLAY;
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options.MENU = BUTTON_MENU;
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#elif CONFIG_KEYPAD == PHILIPS_SA9200_PAD
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options.UP = BUTTON_UP;
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options.DOWN = BUTTON_DOWN;
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options.A = BUTTON_VOL_UP;
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options.B = BUTTON_VOL_DOWN;
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options.START = BUTTON_RIGHT;
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options.SELECT = BUTTON_LEFT;
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options.MENU = BUTTON_MENU;
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#elif CONFIG_KEYPAD == ONDAVX747_PAD
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options.A = BUTTON_VOL_UP;
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options.B = BUTTON_VOL_DOWN;
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options.MENU = BUTTON_MENU;
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#elif CONFIG_KEYPAD == ONDAVX777_PAD
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options.MENU = BUTTON_POWER;
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#elif CONFIG_KEYPAD == IRIVER_H10_PAD
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options.UP = BUTTON_UP;
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options.DOWN = BUTTON_DOWN;
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options.A = BUTTON_PLAY;
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options.B = BUTTON_FFWD;
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options.START = BUTTON_REW;
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options.SELECT = BUTTON_RIGHT;
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options.MENU = BUTTON_LEFT;
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#elif CONFIG_KEYPAD == SAMSUNG_YH_PAD
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options.UP = BUTTON_UP;
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options.DOWN = BUTTON_DOWN;
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options.A = BUTTON_PLAY;
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options.B = BUTTON_REW;
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options.START = BUTTON_REC;
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options.SELECT = BUTTON_FFWD;
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options.MENU = BUTTON_NONE;
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#elif CONFIG_KEYPAD == PBELL_VIBE500_PAD
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options.UP = BUTTON_OK;
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options.DOWN = BUTTON_CANCEL;
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options.LEFT = BUTTON_PREV;
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options.RIGHT = BUTTON_NEXT;
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options.A = BUTTON_POWER;
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options.B = BUTTON_REC;
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options.START = BUTTON_PLAY;
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options.SELECT = BUTTON_UP;
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options.MENU = BUTTON_MENU;
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#elif CONFIG_KEYPAD == MPIO_HD300_PAD
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options.UP = BUTTON_UP;
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options.DOWN = BUTTON_DOWN;
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options.LEFT = BUTTON_REW;
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options.RIGHT = BUTTON_FF;
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options.A = BUTTON_MENU;
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options.B = BUTTON_ENTER;
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options.START = BUTTON_PLAY;
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options.SELECT = (BUTTON_ENTER | BUTTON_REPEAT);
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options.MENU = (BUTTON_MENU | BUTTON_REPEAT);
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#else
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#error No Keymap Defined!
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#endif
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#ifdef HAVE_TOUCHSCREEN
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options.UP = BUTTON_TOPMIDDLE;
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options.DOWN = BUTTON_BOTTOMMIDDLE;
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options.START = BUTTON_TOPRIGHT;
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options.SELECT = BUTTON_CENTER;
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#if CONFIG_KEYPAD == MROBE500_PAD
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options.A = BUTTON_BOTTOMLEFT;
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options.B = BUTTON_BOTTOMRIGHT;
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#elif CONFIG_KEYPAD != COWON_D2_PAD
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options.A = BUTTON_BOTTOMLEFT;
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options.B = BUTTON_BOTTOMRIGHT;
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options.MENU = BUTTON_TOPLEFT;
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#endif
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#endif
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options.maxskip=4;
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options.fps=0;
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options.showstats=0;
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#if (LCD_WIDTH>=160) && (LCD_HEIGHT>=144)
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options.scaling=0;
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#else
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options.scaling=1;
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#endif
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options.sound=1;
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options.pal=0;
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}
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else
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read(fd,&options, sizeof(options));
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close(fd);
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}
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static void savesettings(void)
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{
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int fd;
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char optionsave[sizeof(savedir)+sizeof(optionname)];
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if(options.dirty)
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{
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options.dirty=0;
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snprintf(optionsave, sizeof(optionsave), "%s/%s", savedir, optionname);
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fd = open(optionsave, O_WRONLY|O_CREAT|O_TRUNC, 0666);
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write(fd,&options, sizeof(options));
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close(fd);
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}
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}
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void doevents(void)
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{
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event_t ev;
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int st;
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ev_poll();
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while (ev_getevent(&ev))
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{
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if (ev.type != EV_PRESS && ev.type != EV_RELEASE)
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continue;
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st = (ev.type != EV_RELEASE);
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pad_set(ev.code, st);
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}
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}
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static int gnuboy_main(const char *rom)
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{
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rb->lcd_puts(0,0,"Init video");
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vid_init();
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rb->lcd_puts(0,1,"Init sound");
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rockboy_pcm_init();
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rb->lcd_puts(0,2,"Loading rom");
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loader_init(rom);
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if(shut)
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return PLUGIN_ERROR;
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rb->lcd_puts(0,3,"Emu reset");
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emu_reset();
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rb->lcd_puts(0,4,"Emu run");
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rb->lcd_clear_display();
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rb->lcd_update();
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if(options.autosave) sn_load();
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emu_run();
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/* never reached */
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return PLUGIN_OK;
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}
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/* this is the plugin entry point */
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enum plugin_status plugin_start(const void* parameter)
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{
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rb->lcd_setfont(0);
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rb->lcd_clear_display();
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if (!parameter)
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{
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rb->splash(HZ*3, "Play gameboy ROM file! (.gb/.gbc)");
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return PLUGIN_OK;
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}
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if(rb->audio_status())
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{
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audio_bufferbase = audio_bufferpointer
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= rb->plugin_get_buffer(&audio_buffer_free);
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plugbuf=true;
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}
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else
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{
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audio_bufferbase = audio_bufferpointer
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= rb->plugin_get_audio_buffer(&audio_buffer_free);
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plugbuf=false;
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}
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#if MEMORYSIZE <= 8 && (CONFIG_PLATFORM & PLATFORM_NATIVE)
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/* loaded as an overlay plugin, protect from overwriting ourselves */
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if ((unsigned)(plugin_start_addr - (unsigned char *)audio_bufferbase)
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< audio_buffer_free)
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audio_buffer_free = plugin_start_addr - (unsigned char *)audio_bufferbase;
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#endif
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setoptions();
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shut=0;
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cleanshut=0;
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#ifdef HAVE_WHEEL_POSITION
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rb->wheel_send_events(false);
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#endif
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#if defined(HAVE_LCD_MODES) && (HAVE_LCD_MODES & LCD_MODE_PAL256)
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rb->lcd_set_mode(LCD_MODE_PAL256);
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#endif
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/* ignore backlight time out */
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backlight_ignore_timeout();
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gnuboy_main(parameter);
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#ifdef HAVE_WHEEL_POSITION
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rb->wheel_send_events(true);
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#endif
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#if defined(HAVE_LCD_MODES) && (HAVE_LCD_MODES & LCD_MODE_PAL256)
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rb->lcd_set_mode(LCD_MODE_RGB565);
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#endif
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backlight_use_settings();
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if(!rb->audio_status())
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rockboy_pcm_close();
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if(shut&&!cleanshut)
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{
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rb->splash(HZ/2, errormsg);
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return PLUGIN_ERROR;
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}
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rb->splash(HZ/2, "Closing Rockboy");
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savesettings();
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cleanup();
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return PLUGIN_OK;
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}
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