apps/plugins/rockboy/rockboy.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Gameboy emulator based on gnuboy
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21 #include "plugin.h"
  22 #include "loader.h"
  23 #include "rockmacros.h"
  24 #include "input.h"
  25 #include "emu.h"
  26 #include "hw.h"
  27 #include "pcm.h"
  28
  29 PLUGIN_HEADER
  30 PLUGIN_IRAM_DECLARE
  31
  32 int shut,cleanshut;
  33 char *errormsg;
  34
  35 #define optionname "options"
  36
  37 void die(char *message, ...)
  38 {
  39     shut=1;
  40     errormsg=message;
  41 }
  42
  43 struct options options;
  44
  45 void *audio_bufferbase;
  46 void *audio_bufferpointer;
  47 size_t audio_buffer_free;
  48
  49 void *my_malloc(size_t size)
  50 {
  51     void *alloc;
  52
  53     if (size + 4 > audio_buffer_free)
  54         return 0;
  55     alloc = audio_bufferpointer;
  56     audio_bufferpointer += size + 4;
  57     audio_buffer_free -= size + 4;
  58     return alloc;
  59 }
  60
  61 static void setoptions (void)
  62 {
  63    int fd;
  64    DIR* dir;
  65    char optionsave[sizeof(savedir)+sizeof(optionname)];
  66
  67     dir=rb->opendir(savedir);
  68     if(!dir)
  69       rb->mkdir(savedir);
  70     else
  71       rb->closedir(dir);
  72
  73    snprintf(optionsave, sizeof(optionsave), "%s/%s", savedir, optionname);
  74
  75     fd = open(optionsave, O_RDONLY);
  76     if(fd < 0) /* no options to read, set defaults */
  77     {
  78 #ifdef HAVE_TOUCHSCREEN
  79         options.LEFT=BUTTON_MIDLEFT;
  80         options.RIGHT=BUTTON_MIDRIGHT;
  81 #else
  82         options.LEFT=BUTTON_LEFT;
  83         options.RIGHT=BUTTON_RIGHT;
  84 #endif
  85
  86 #if CONFIG_KEYPAD == IRIVER_H100_PAD
  87         options.UP=BUTTON_UP;
  88         options.DOWN=BUTTON_DOWN;
  89
  90         options.A=BUTTON_ON;
  91         options.B=BUTTON_OFF;
  92         options.START=BUTTON_REC;
  93         options.SELECT=BUTTON_SELECT;
  94         options.MENU=BUTTON_MODE;
  95
  96 #elif CONFIG_KEYPAD == IRIVER_H300_PAD
  97         options.UP=BUTTON_UP;
  98         options.DOWN=BUTTON_DOWN;
  99
 100         options.A=BUTTON_REC;
 101         options.B=BUTTON_MODE;
 102         options.START=BUTTON_ON;
 103         options.SELECT=BUTTON_SELECT;
 104         options.MENU=BUTTON_OFF;
 105
 106 #elif CONFIG_KEYPAD == RECORDER_PAD
 107         options.UP=BUTTON_UP;
 108         options.DOWN=BUTTON_DOWN;
 109
 110         options.A=BUTTON_F1;
 111         options.B=BUTTON_F2;
 112         options.START=BUTTON_F3;
 113         options.SELECT=BUTTON_PLAY;
 114         options.MENU=BUTTON_OFF;
 115
 116 #elif CONFIG_KEYPAD == IPOD_4G_PAD
 117         options.UP=BUTTON_MENU;
 118         options.DOWN=BUTTON_PLAY;
 119
 120         options.A=BUTTON_NONE;
 121         options.B=BUTTON_NONE;
 122         options.START=BUTTON_SELECT;
 123         options.SELECT=BUTTON_NONE;
 124         options.MENU=(BUTTON_SELECT | BUTTON_REPEAT);
 125
 126 #elif CONFIG_KEYPAD == IRIVER_IFP7XX_PAD
 127         options.UP=BUTTON_UP;
 128         options.DOWN=BUTTON_DOWN;
 129
 130         options.A=BUTTON_PLAY;
 131         options.B=BUTTON_EQ;
 132         options.START=BUTTON_MODE;
 133         options.SELECT=(BUTTON_SELECT | BUTTON_REL);
 134         options.MENU=(BUTTON_SELECT | BUTTON_REPEAT);
 135
 136 #elif CONFIG_KEYPAD == GIGABEAT_PAD
 137         options.UP=BUTTON_UP;
 138         options.DOWN=BUTTON_DOWN;
 139
 140         options.A=BUTTON_VOL_UP;
 141         options.B=BUTTON_VOL_DOWN;
 142         options.START=BUTTON_A;
 143         options.SELECT=BUTTON_SELECT;
 144         options.MENU=BUTTON_MENU;
 145
 146 #elif CONFIG_KEYPAD == SANSA_E200_PAD
 147         options.UP=BUTTON_UP;
 148         options.DOWN=BUTTON_DOWN;
 149
 150         options.A=BUTTON_SELECT;
 151         options.B=BUTTON_REC;
 152         options.START=BUTTON_SCROLL_BACK;
 153         options.SELECT=BUTTON_SCROLL_FWD;
 154         options.MENU=BUTTON_POWER;
 155
 156 #elif CONFIG_KEYPAD == SANSA_FUZE_PAD
 157         options.UP=BUTTON_UP;
 158         options.DOWN=BUTTON_DOWN;
 159
 160         options.A=BUTTON_SELECT;
 161         options.B=BUTTON_HOME;
 162         options.START=BUTTON_SCROLL_BACK;
 163         options.SELECT=BUTTON_SCROLL_FWD;
 164         options.MENU=BUTTON_POWER;
 165         options.LEFT=BUTTON_LEFT;
 166         options.RIGHT=BUTTON_RIGHT;
 167
 168 #elif CONFIG_KEYPAD == SANSA_C200_PAD
 169         options.UP=BUTTON_UP;
 170         options.DOWN=BUTTON_DOWN;
 171
 172         options.A=BUTTON_SELECT;
 173         options.B=BUTTON_REC;
 174         options.START=BUTTON_VOL_DOWN;
 175         options.SELECT=BUTTON_VOL_UP;
 176         options.MENU=BUTTON_POWER;
 177
 178 #elif CONFIG_KEYPAD == IAUDIO_X5M5_PAD
 179         options.UP=BUTTON_UP;
 180         options.DOWN=BUTTON_DOWN;
 181
 182         options.A=BUTTON_PLAY;
 183         options.B=BUTTON_REC;
 184         options.START=BUTTON_SELECT;
 185         options.SELECT=BUTTON_NONE;
 186         options.MENU=BUTTON_POWER;
 187
 188 #elif CONFIG_KEYPAD == IRIVER_H10_PAD
 189         options.UP=BUTTON_SCROLL_UP;
 190         options.DOWN=BUTTON_SCROLL_DOWN;
 191
 192         options.A=BUTTON_PLAY;
 193         options.B=BUTTON_FF;
 194         options.START=BUTTON_REW;
 195         options.SELECT=BUTTON_NONE;
 196         options.MENU=BUTTON_POWER;
 197
 198 #elif CONFIG_KEYPAD == MROBE500_PAD
 199         options.MENU=BUTTON_POWER;
 200
 201 #elif CONFIG_KEYPAD == COWOND2_PAD
 202         options.A=BUTTON_PLUS;
 203         options.B=BUTTON_MINUS;
 204         options.MENU=BUTTON_MENU;
 205
 206 #elif CONFIG_KEYPAD == GIGABEAT_S_PAD
 207         options.UP=BUTTON_UP;
 208         options.DOWN=BUTTON_DOWN;
 209
 210         options.A=BUTTON_VOL_UP;
 211         options.B=BUTTON_VOL_DOWN;
 212         options.START=BUTTON_PLAY;
 213         options.SELECT=BUTTON_SELECT;
 214         options.MENU=BUTTON_MENU;
 215 #elif CONFIG_KEYPAD == CREATIVEZVM_PAD
 216         options.UP=BUTTON_UP;
 217         options.DOWN=BUTTON_DOWN;
 218
 219         options.A=BUTTON_CUSTOM;
 220         options.B=BUTTON_PLAY;
 221         options.START=BUTTON_BACK;
 222         options.SELECT=BUTTON_SELECT;
 223         options.MENU=BUTTON_MENU;
 224
 225 #elif CONFIG_KEYPAD == PHILIPS_HDD1630_PAD
 226         options.UP=BUTTON_UP;
 227         options.DOWN=BUTTON_DOWN;
 228
 229         options.A=BUTTON_VOL_UP;
 230         options.B=BUTTON_VOL_DOWN;
 231         options.START=BUTTON_VIEW;
 232         options.SELECT=BUTTON_SELECT;
 233         options.MENU=BUTTON_MENU;
 234
 235 #elif CONFIG_KEYPAD == ONDAVX747_PAD
 236         options.A=BUTTON_VOL_UP;
 237         options.B=BUTTON_VOL_DOWN;
 238         options.MENU=BUTTON_MENU;
 239
 240 #elif CONFIG_KEYPAD == IRIVER_H10_PAD
 241         options.UP=BUTTON_UP;
 242         options.DOWN=BUTTON_DOWN;
 243
 244         options.A=BUTTON_PLAY;
 245         options.B=BUTTON_FFWD;
 246         options.START=BUTTON_REW;
 247         options.SELECT=BUTTON_RIGHT;
 248         options.MENU=BUTTON_LEFT;
 249
 250 #elif CONFIG_KEYPAD == SAMSUNG_YH_PAD
 251         options.UP=BUTTON_UP;
 252         options.DOWN=BUTTON_DOWN;
 253
 254         options.A=BUTTON_PLAY;
 255         options.B=BUTTON_REW;
 256         options.START=BUTTON_REC;
 257         options.SELECT=BUTTON_FFWD;
 258         options.MENU=BUTTON_NONE;
 259
 260 #else
 261 #error No Keymap Defined!
 262 #endif
 263
 264 #ifdef HAVE_TOUCHSCREEN
 265         options.UP=BUTTON_TOPMIDDLE;
 266         options.DOWN=BUTTON_BOTTOMMIDDLE;
 267         options.START=BUTTON_TOPRIGHT;
 268         options.SELECT=BUTTON_CENTER;
 269 #if CONFIG_KEYPAD == MROBE500_PAD
 270         options.A=BUTTON_BOTTOMLEFT;
 271         options.B=BUTTON_BOTTOMRIGHT;
 272 #elif CONFIG_KEYPAD != COWOND2_PAD
 273         options.A=BUTTON_BOTTOMLEFT;
 274         options.B=BUTTON_BOTTOMRIGHT;
 275         options.MENU=BUTTON_TOPLEFT;
 276 #endif
 277 #endif
 278
 279       options.maxskip=4;
 280       options.fps=0;
 281       options.showstats=0;
 282 #if (LCD_WIDTH>=160) && (LCD_HEIGHT>=144)
 283       options.scaling=0;
 284 #else
 285       options.scaling=1;
 286 #endif
 287       options.sound=1;
 288       options.pal=0;
 289    }
 290    else
 291       read(fd,&options, sizeof(options));
 292
 293     close(fd);
 294 }
 295
 296 static void savesettings(void)
 297 {
 298     int fd;
 299     char optionsave[sizeof(savedir)+sizeof(optionname)];
 300
 301     if(options.dirty)
 302     {
 303         options.dirty=0;
 304         snprintf(optionsave, sizeof(optionsave), "%s/%s", savedir, optionname);
 305         fd = open(optionsave, O_WRONLY|O_CREAT|O_TRUNC);
 306         write(fd,&options, sizeof(options));
 307         close(fd);
 308     }
 309 }
 310
 311 void doevents(void)
 312 {
 313     event_t ev;
 314     int st;
 315
 316     ev_poll();
 317     while (ev_getevent(&ev))
 318     {
 319         if (ev.type != EV_PRESS && ev.type != EV_RELEASE)
 320             continue;
 321         st = (ev.type != EV_RELEASE);
 322         pad_set(ev.code, st);
 323     }
 324 }
 325
 326 static int gnuboy_main(const char *rom)
 327 {
 328     rb->lcd_puts(0,0,"Init video");
 329     vid_init();
 330     rb->lcd_puts(0,1,"Init sound");
 331     pcm_init();
 332     rb->lcd_puts(0,2,"Loading rom");
 333     loader_init(rom);
 334     if(shut)
 335         return PLUGIN_ERROR;
 336     rb->lcd_puts(0,3,"Emu reset");
 337     emu_reset();
 338     rb->lcd_puts(0,4,"Emu run");
 339     rb->lcd_clear_display();
 340     rb->lcd_update();
 341     emu_run();
 342
 343     /* never reached */
 344     return PLUGIN_OK;
 345 }
 346
 347 /* this is the plugin entry point */
 348 enum plugin_status plugin_start(UNUSED_ATTR const void* parameter)
 349 {
 350     PLUGIN_IRAM_INIT(rb)
 351
 352     rb->lcd_setfont(0);
 353
 354     rb->lcd_clear_display();
 355
 356     if (!parameter)
 357     {
 358         rb->splash(HZ*3, "Play gameboy ROM file! (.gb/.gbc)");
 359         return PLUGIN_OK;
 360     }
 361     if(rb->audio_status())
 362     {
 363         audio_bufferbase = audio_bufferpointer
 364             = rb->plugin_get_buffer(&audio_buffer_free);
 365         plugbuf=true;
 366     }
 367     else
 368     {
 369         audio_bufferbase = audio_bufferpointer
 370             = rb->plugin_get_audio_buffer(&audio_buffer_free);
 371         plugbuf=false;
 372     }
 373 #if MEM <= 8 && !defined(SIMULATOR)
 374     /* loaded as an overlay plugin, protect from overwriting ourselves */
 375     if ((unsigned)(plugin_start_addr - (unsigned char *)audio_bufferbase)
 376         < audio_buffer_free)
 377         audio_buffer_free = plugin_start_addr - (unsigned char *)audio_bufferbase;
 378 #endif
 379     setoptions();
 380
 381     shut=0;
 382     cleanshut=0;
 383
 384 #ifdef HAVE_WHEEL_POSITION
 385     rb->wheel_send_events(false);
 386 #endif
 387
 388 #if defined(HAVE_LCD_MODES) && (HAVE_LCD_MODES & LCD_MODE_PAL256)
 389     rb->lcd_set_mode(LCD_MODE_PAL256);
 390 #endif
 391
 392     gnuboy_main(parameter);
 393
 394 #ifdef HAVE_WHEEL_POSITION
 395     rb->wheel_send_events(true);
 396 #endif
 397
 398 #if defined(HAVE_LCD_MODES) && (HAVE_LCD_MODES & LCD_MODE_PAL256)
 399     rb->lcd_set_mode(LCD_MODE_RGB565);
 400 #endif
 401
 402     if(shut&&!cleanshut)
 403     {
 404         rb->splash(HZ/2, errormsg);
 405         return PLUGIN_ERROR;
 406     }
 407     if(!rb->audio_status())
 408         pcm_close();
 409
 410     rb->splash(HZ/2, "Closing Rockboy");
 411
 412     savesettings();
 413
 414     cleanup();
 415
 416     return PLUGIN_OK;
 417 }