1 /***************************************************************************
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
10 * Pacbox - a Pacman Emulator for Rockbox
12 * Based on PIE - Pacman Instructional Emulator
14 * Copyright (c) 1997-2003,2004 Alessandro Scotti
15 * http://www.ascotti.org/
17 * This program is free software; you can redistribute it and/or
18 * modify it under the terms of the GNU General Public License
19 * as published by the Free Software Foundation; either version 2
20 * of the License, or (at your option) any later version.
22 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
23 * KIND, either express or implied.
25 ****************************************************************************/
30 #include "pacbox_lcd.h"
31 #include "lib/configfile.h"
32 #include "lib/playback_control.h"
37 struct pacman_settings
{
45 static struct pacman_settings settings
;
46 static struct pacman_settings old_settings
;
48 #define SETTINGS_VERSION 1
49 #define SETTINGS_MIN_VERSION 1
50 #define SETTINGS_FILENAME "pacbox.cfg"
52 static char* difficulty_options
[] = { "Normal", "Hard" };
53 static char* numlives_options
[] = { "1", "2", "3", "5" };
54 static char* bonus_options
[] = {"10000", "15000", "20000", "No Bonus"};
55 static char* ghostnames_options
[] = {"Normal", "Alternate"};
56 static char* showfps_options
[] = {"No", "Yes"};
58 static struct configdata config
[] =
60 {TYPE_ENUM
, 0, 2, { .int_p
= &settings
.difficulty
}, "Difficulty",
62 {TYPE_ENUM
, 0, 4, { .int_p
= &settings
.numlives
}, "Pacmen Per Game",
64 {TYPE_ENUM
, 0, 4, { .int_p
= &settings
.bonus
}, "Bonus", bonus_options
},
65 {TYPE_ENUM
, 0, 2, { .int_p
= &settings
.ghostnames
}, "Ghost Names",
67 {TYPE_ENUM
, 0, 2, { .int_p
= &settings
.showfps
}, "Show FPS",
71 static bool loadFile( const char * name
, unsigned char * buf
, int len
)
73 char filename
[MAX_PATH
];
75 rb
->snprintf(filename
,sizeof(filename
), ROCKBOX_DIR
"/pacman/%s",name
);
77 int fd
= rb
->open( filename
, O_RDONLY
);
83 int n
= rb
->read( fd
, buf
, len
);
94 static bool loadROMS( void )
96 bool romsLoaded
= false;
98 romsLoaded
= loadFile( "pacman.6e", ram_
, 0x1000) &&
99 loadFile( "pacman.6f", ram_
+0x1000, 0x1000) &&
100 loadFile( "pacman.6h", ram_
+0x2000, 0x1000) &&
101 loadFile( "pacman.6j", ram_
+0x3000, 0x1000) &&
102 loadFile( "pacman.5e", charset_rom_
, 0x1000) &&
103 loadFile( "pacman.5f", spriteset_rom_
, 0x1000);
107 reset_PacmanMachine();
113 /* A buffer to render Pacman's 244x288 screen into */
114 static unsigned char video_buffer
[ScreenWidth
*ScreenHeight
] __attribute__ ((aligned (16)));
116 static long start_time
;
117 static long video_frames
= 0;
119 static int dipDifficulty
[] = { DipDifficulty_Normal
, DipDifficulty_Hard
};
120 static int dipLives
[] = { DipLives_1
, DipLives_2
, DipLives_3
, DipLives_5
};
121 static int dipBonus
[] = { DipBonus_10000
, DipBonus_15000
, DipBonus_20000
,
123 static int dipGhostNames
[] = { DipGhostNames_Normal
, DipGhostNames_Alternate
};
125 static int settings_to_dip(struct pacman_settings settings
)
127 return ( DipPlay_OneCoinOneGame
|
132 dipDifficulty
[settings
.difficulty
] |
133 dipLives
[settings
.numlives
] |
134 dipBonus
[settings
.bonus
] |
135 dipGhostNames
[settings
.ghostnames
]
139 static bool pacbox_menu(void)
145 bool need_restart
= false;
147 static const struct opt_items noyes
[2] = {
152 static const struct opt_items difficulty_options
[2] = {
157 static const struct opt_items numlives_options
[4] = {
164 static const struct opt_items bonus_options
[4] = {
165 { "10000 points", -1 },
166 { "15000 points", -1 },
167 { "20000 points", -1 },
171 static const struct opt_items ghostname_options
[2] = {
176 MENUITEM_STRINGLIST(menu
, "Pacbox Menu", NULL
,
177 "Difficulty", "Pacmen Per Game", "Bonus Life",
178 "Ghost Names", "Display FPS",
181 rb
->button_clear_queue();
183 #if defined(HAVE_LCD_MODES) && (HAVE_LCD_MODES & LCD_MODE_PAL256)
184 rb
->lcd_set_mode(LCD_MODE_RGB565
);
188 result
=rb
->do_menu(&menu
, &selected
, NULL
, false);
193 new_setting
=settings
.difficulty
;
194 rb
->set_option("Difficulty", &new_setting
, INT
,
195 difficulty_options
, 2, NULL
);
196 if (new_setting
!= settings
.difficulty
) {
197 settings
.difficulty
=new_setting
;
202 new_setting
=settings
.numlives
;
203 rb
->set_option("Pacmen Per Game", &new_setting
, INT
,
204 numlives_options
, 4, NULL
);
205 if (new_setting
!= settings
.numlives
) {
206 settings
.numlives
=new_setting
;
211 new_setting
=settings
.bonus
;
212 rb
->set_option("Bonus Life", &new_setting
, INT
,
213 bonus_options
, 4, NULL
);
214 if (new_setting
!= settings
.bonus
) {
215 settings
.bonus
=new_setting
;
220 new_setting
=settings
.ghostnames
;
221 rb
->set_option("Ghost Names", &new_setting
, INT
,
222 ghostname_options
, 2, NULL
);
223 if (new_setting
!= settings
.ghostnames
) {
224 settings
.ghostnames
=new_setting
;
228 case 4: /* Show FPS */
229 rb
->set_option("Display FPS",&settings
.showfps
,INT
,
232 case 5: /* Restart */
242 #if defined(HAVE_LCD_MODES) && (HAVE_LCD_MODES & LCD_MODE_PAL256)
243 rb
->lcd_set_mode(LCD_MODE_PAL256
);
247 init_PacmanMachine(settings_to_dip(settings
));
260 Runs the game engine for one frame.
262 static int gameProc( void )
269 int frame_counter
= 0;
270 int yield_counter
= 0;
274 /* Run the machine for one frame (1/60th second) */
279 /* Check the button status */
280 status
= rb
->button_status();
282 #ifdef HAS_BUTTON_HOLD
283 if (rb
->button_hold())
284 status
= PACMAN_MENU
;
287 if ((status
& PACMAN_MENU
) == PACMAN_MENU
288 #ifdef PACMAN_RC_MENU
289 || status
== PACMAN_RC_MENU
292 end_time
= *rb
->current_tick
;
294 rb
->lcd_clear_display();
295 #ifdef HAVE_REMOTE_LCD
296 rb
->lcd_remote_clear_display();
297 rb
->lcd_remote_update();
299 if (x
== 1) { return 1; }
300 start_time
+= *rb
->current_tick
-end_time
;
303 #ifdef PACMAN_HAS_REMOTE
304 setDeviceMode( Joy1_Left
, (status
& PACMAN_LEFT
|| status
== PACMAN_RC_LEFT
) ? DeviceOn
: DeviceOff
);
305 setDeviceMode( Joy1_Right
, (status
& PACMAN_RIGHT
|| status
== PACMAN_RC_RIGHT
) ? DeviceOn
: DeviceOff
);
306 setDeviceMode( Joy1_Up
, (status
& PACMAN_UP
|| status
== PACMAN_RC_UP
) ? DeviceOn
: DeviceOff
);
307 setDeviceMode( Joy1_Down
, (status
& PACMAN_DOWN
|| status
== PACMAN_RC_DOWN
) ? DeviceOn
: DeviceOff
);
308 setDeviceMode( CoinSlot_1
, (status
& PACMAN_COIN
|| status
== PACMAN_RC_COIN
) ? DeviceOn
: DeviceOff
);
309 setDeviceMode( Key_OnePlayer
, (status
& PACMAN_1UP
|| status
== PACMAN_RC_1UP
) ? DeviceOn
: DeviceOff
);
310 setDeviceMode( Key_TwoPlayers
, (status
& PACMAN_2UP
|| status
== PACMAN_RC_2UP
) ? DeviceOn
: DeviceOff
);
312 setDeviceMode( Joy1_Left
, (status
& PACMAN_LEFT
) ? DeviceOn
: DeviceOff
);
313 setDeviceMode( Joy1_Right
, (status
& PACMAN_RIGHT
) ? DeviceOn
: DeviceOff
);
314 setDeviceMode( Joy1_Up
, (status
& PACMAN_UP
) ? DeviceOn
: DeviceOff
);
315 setDeviceMode( Joy1_Down
, (status
& PACMAN_DOWN
) ? DeviceOn
: DeviceOff
);
316 setDeviceMode( CoinSlot_1
, (status
& PACMAN_COIN
) ? DeviceOn
: DeviceOff
);
317 setDeviceMode( Key_OnePlayer
, (status
& PACMAN_1UP
) ? DeviceOn
: DeviceOff
);
319 setDeviceMode( Key_TwoPlayers
, (status
& PACMAN_2UP
) ? DeviceOn
: DeviceOff
);
323 /* We only update the screen every third frame - Pacman's native
324 framerate is 60fps, so we are attempting to display 20fps */
325 if (frame_counter
== 60 / FPS
) {
332 if (yield_counter
== FPS
) {
337 /* The following functions render the Pacman screen from the
338 contents of the video and color ram. We first update the
339 background, and then draw the Sprites on top.
342 renderBackground( video_buffer
);
343 renderSprites( video_buffer
);
345 #if defined(HAVE_LCD_MODES) && (HAVE_LCD_MODES & LCD_MODE_PAL256)
346 rb
->lcd_blit_pal256( video_buffer
, 0, 0, XOFS
, YOFS
,
347 ScreenWidth
, ScreenHeight
);
349 blit_display(rb
->lcd_framebuffer
,video_buffer
);
352 if (settings
.showfps
) {
353 fps
= (video_frames
*HZ
*100) / (*rb
->current_tick
-start_time
);
354 rb
->snprintf(str
,sizeof(str
),"%d.%02d / %d fps ",
355 fps
/100,fps
%100,FPS
);
356 rb
->lcd_putsxy(0,0,str
);
359 #if !defined(HAVE_LCD_MODES) || \
360 defined(HAVE_LCD_MODES) && !(HAVE_LCD_MODES & LCD_MODE_PAL256)
364 /* Keep the framerate at Pacman's 60fps */
365 end_time
= start_time
+ (video_frames
*HZ
)/FPS
;
366 while (TIME_BEFORE(*rb
->current_tick
,end_time
)) {
374 enum plugin_status
plugin_start(const void* parameter
)
380 #ifdef HAVE_ADJUSTABLE_CPU_FREQ
383 rb
->lcd_set_backdrop(NULL
);
384 rb
->lcd_set_foreground(LCD_WHITE
);
385 rb
->lcd_set_background(LCD_BLACK
);
386 rb
->lcd_clear_display();
389 /* Set the default settings */
390 settings
.difficulty
= 0; /* Normal */
391 settings
.numlives
= 2; /* 3 lives */
392 settings
.bonus
= 0; /* 10000 points */
393 settings
.ghostnames
= 0; /* Normal names */
394 settings
.showfps
= 0; /* Do not show FPS */
396 if (configfile_load(SETTINGS_FILENAME
, config
,
397 sizeof(config
)/sizeof(*config
),
401 /* If the loading failed, save a new config file (as the disk is
403 configfile_save(SETTINGS_FILENAME
, config
,
404 sizeof(config
)/sizeof(*config
),
408 /* Keep a copy of the saved version of the settings - so we can check if
409 the settings have changed when we quit */
410 old_settings
= settings
;
412 /* Initialise the hardware */
413 init_PacmanMachine(settings_to_dip(settings
));
415 #if defined(HAVE_LCD_MODES) && (HAVE_LCD_MODES & LCD_MODE_PAL256)
416 rb
->lcd_set_mode(LCD_MODE_PAL256
);
419 /* Load the romset */
421 start_time
= *rb
->current_tick
-1;
425 /* Save the user settings if they have changed */
426 if (rb
->memcmp(&settings
,&old_settings
,sizeof(settings
))!=0) {
427 rb
->splash(0, "Saving settings...");
428 configfile_save(SETTINGS_FILENAME
, config
,
429 sizeof(config
)/sizeof(*config
),
433 rb
->splashf(HZ
*2, "No ROMs in %s/pacman/", ROCKBOX_DIR
);
436 #if defined(HAVE_LCD_MODES) && (HAVE_LCD_MODES & LCD_MODE_PAL256)
437 rb
->lcd_set_mode(LCD_MODE_RGB565
);
440 #ifdef HAVE_ADJUSTABLE_CPU_FREQ
441 rb
->cpu_boost(false);