Commit | Line | Data |
---|---|---|
38c2028e | 1 | /* |
2 | * (C) notaz, 2012 | |
3 | * | |
4 | * This work is licensed under the terms of the GNU GPLv2 or later. | |
5 | * See the COPYING file in the top-level directory. | |
6 | */ | |
7 | ||
8 | #include <stdio.h> | |
9 | #include <stdlib.h> | |
10 | #include <string.h> | |
11 | ||
12 | #include "../libpcsxcore/misc.h" | |
13 | #include "../libpcsxcore/psxcounters.h" | |
87e5b45f | 14 | #include "../libpcsxcore/psxmem_map.h" |
38c2028e | 15 | #include "../libpcsxcore/new_dynarec/new_dynarec.h" |
07c13dfd | 16 | #include "../plugins/dfsound/out.h" |
fa56d360 | 17 | #include "../plugins/gpulib/cspace.h" |
38c2028e | 18 | #include "main.h" |
19 | #include "plugin.h" | |
20 | #include "plugin_lib.h" | |
21 | #include "revision.h" | |
22 | #include "libretro.h" | |
23 | ||
24 | static retro_video_refresh_t video_cb; | |
25 | static retro_input_poll_t input_poll_cb; | |
26 | static retro_input_state_t input_state_cb; | |
27 | static retro_environment_t environ_cb; | |
28 | static retro_audio_sample_batch_t audio_batch_cb; | |
29 | ||
30 | static void *vout_buf; | |
38c2028e | 31 | static int samples_sent, samples_to_send; |
32 | static int plugins_opened; | |
33 | ||
f9f60dae TK |
34 | /* memory card data */ |
35 | extern char Mcd1Data[MCD_SIZE]; | |
36 | extern char McdDisable[2]; | |
38c2028e | 37 | |
38 | /* PCSX ReARMed core calls and stuff */ | |
39 | int in_type1, in_type2; | |
40 | int in_a1[2] = { 127, 127 }, in_a2[2] = { 127, 127 }; | |
41 | int in_keystate; | |
42 | int in_enable_vibration; | |
43 | ||
7df396ea TK |
44 | static void init_memcard(char *mcd_data) |
45 | { | |
46 | unsigned off = 0; | |
47 | unsigned i; | |
48 | ||
49 | memset(mcd_data, 0, MCD_SIZE); | |
50 | ||
51 | mcd_data[off++] = 'M'; | |
52 | mcd_data[off++] = 'C'; | |
53 | off += 0x7d; | |
54 | mcd_data[off++] = 0x0e; | |
55 | ||
56 | for (i = 0; i < 15; i++) { | |
57 | mcd_data[off++] = 0xa0; | |
58 | off += 0x07; | |
59 | mcd_data[off++] = 0xff; | |
60 | mcd_data[off++] = 0xff; | |
61 | off += 0x75; | |
62 | mcd_data[off++] = 0xa0; | |
63 | } | |
64 | ||
65 | for (i = 0; i < 20; i++) { | |
66 | mcd_data[off++] = 0xff; | |
67 | mcd_data[off++] = 0xff; | |
68 | mcd_data[off++] = 0xff; | |
69 | mcd_data[off++] = 0xff; | |
70 | off += 0x04; | |
71 | mcd_data[off++] = 0xff; | |
72 | mcd_data[off++] = 0xff; | |
73 | off += 0x76; | |
74 | } | |
75 | } | |
76 | ||
38c2028e | 77 | static int vout_open(void) |
78 | { | |
79 | return 0; | |
80 | } | |
81 | ||
e4c83ca6 | 82 | static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp) |
38c2028e | 83 | { |
38c2028e | 84 | } |
85 | ||
cc4f9b70 | 86 | #ifndef FRONTEND_SUPPORTS_RGB565 |
9c59f120 | 87 | static void convert(void *buf, size_t bytes) |
38c2028e | 88 | { |
89 | unsigned int i, v, *p = buf; | |
90 | ||
9c59f120 | 91 | for (i = 0; i < bytes / 4; i++) { |
38c2028e | 92 | v = p[i]; |
93 | p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0); | |
94 | } | |
95 | } | |
46aa5b98 | 96 | #endif |
38c2028e | 97 | |
bcbe4aa4 | 98 | static unsigned game_width; |
99 | static unsigned game_height; | |
e2bdb933 | 100 | static unsigned game_fb_dirty; |
38c2028e | 101 | |
fa56d360 | 102 | static void vout_flip(const void *vram, int stride, int bgr24, int w, int h) |
38c2028e | 103 | { |
fa56d360 | 104 | unsigned short *dest = vout_buf; |
105 | const unsigned short *src = vram; | |
106 | int dstride = w, h1 = h; | |
38c2028e | 107 | |
fa56d360 | 108 | if (vram == NULL) { |
109 | // blanking | |
cc56203b | 110 | memset(vout_buf, 0, dstride * h * 2); |
fa56d360 | 111 | goto out; |
112 | } | |
113 | ||
114 | if (bgr24) | |
115 | { | |
116 | // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here? | |
117 | for (; h1-- > 0; dest += dstride, src += stride) | |
118 | { | |
119 | bgr888_to_rgb565(dest, src, w * 3); | |
120 | } | |
121 | } | |
122 | else | |
123 | { | |
124 | for (; h1-- > 0; dest += dstride, src += stride) | |
125 | { | |
126 | bgr555_to_rgb565(dest, src, w * 2); | |
127 | } | |
128 | } | |
38c2028e | 129 | |
fa56d360 | 130 | out: |
46aa5b98 | 131 | #ifndef FRONTEND_SUPPORTS_RGB565 |
cc4f9b70 | 132 | convert(vout_buf, w * h * 2); |
46aa5b98 | 133 | #endif |
cc4f9b70 | 134 | game_width = w; |
135 | game_height = h; | |
136 | game_fb_dirty = 1; | |
fa56d360 | 137 | pl_rearmed_cbs.flip_cnt++; |
38c2028e | 138 | } |
139 | ||
140 | static void vout_close(void) | |
141 | { | |
142 | } | |
143 | ||
cc56203b | 144 | static void *pl_mmap(unsigned int size) |
145 | { | |
87e5b45f | 146 | return psxMap(0, size, 0, MAP_TAG_VRAM); |
cc56203b | 147 | } |
148 | ||
149 | static void pl_munmap(void *ptr, unsigned int size) | |
150 | { | |
87e5b45f | 151 | psxUnmap(ptr, size, MAP_TAG_VRAM); |
cc56203b | 152 | } |
153 | ||
38c2028e | 154 | struct rearmed_cbs pl_rearmed_cbs = { |
155 | .pl_vout_open = vout_open, | |
156 | .pl_vout_set_mode = vout_set_mode, | |
157 | .pl_vout_flip = vout_flip, | |
158 | .pl_vout_close = vout_close, | |
cc56203b | 159 | .mmap = pl_mmap, |
160 | .munmap = pl_munmap, | |
38c2028e | 161 | /* from psxcounters */ |
162 | .gpu_hcnt = &hSyncCount, | |
163 | .gpu_frame_count = &frame_counter, | |
164 | }; | |
165 | ||
166 | void pl_frame_limit(void) | |
167 | { | |
168 | /* called once per frame, make psxCpu->Execute() above return */ | |
169 | stop = 1; | |
170 | } | |
171 | ||
172 | void pl_timing_prepare(int is_pal) | |
173 | { | |
174 | } | |
175 | ||
176 | void plat_trigger_vibrate(int is_strong) | |
177 | { | |
178 | } | |
179 | ||
e4c83ca6 | 180 | void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in) |
38c2028e | 181 | { |
182 | } | |
183 | ||
184 | /* sound calls */ | |
07c13dfd | 185 | static int snd_init(void) |
38c2028e | 186 | { |
07c13dfd | 187 | return 0; |
38c2028e | 188 | } |
189 | ||
07c13dfd | 190 | static void snd_finish(void) |
38c2028e | 191 | { |
192 | } | |
193 | ||
07c13dfd | 194 | static int snd_busy(void) |
38c2028e | 195 | { |
196 | if (samples_to_send > samples_sent) | |
197 | return 0; /* give more samples */ | |
198 | else | |
199 | return 1; | |
200 | } | |
201 | ||
07c13dfd | 202 | static void snd_feed(void *buf, int bytes) |
38c2028e | 203 | { |
204 | audio_batch_cb(buf, bytes / 4); | |
205 | samples_sent += bytes / 4; | |
206 | } | |
207 | ||
07c13dfd | 208 | void out_register_libretro(struct out_driver *drv) |
209 | { | |
210 | drv->name = "libretro"; | |
211 | drv->init = snd_init; | |
212 | drv->finish = snd_finish; | |
213 | drv->busy = snd_busy; | |
214 | drv->feed = snd_feed; | |
215 | } | |
216 | ||
38c2028e | 217 | /* libretro */ |
218 | void retro_set_environment(retro_environment_t cb) { environ_cb = cb; } | |
219 | void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; } | |
220 | void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; } | |
221 | void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; } | |
222 | void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; } | |
223 | void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; } | |
224 | ||
225 | unsigned retro_api_version(void) | |
226 | { | |
227 | return RETRO_API_VERSION; | |
228 | } | |
229 | ||
230 | void retro_set_controller_port_device(unsigned port, unsigned device) | |
231 | { | |
232 | } | |
233 | ||
234 | void retro_get_system_info(struct retro_system_info *info) | |
235 | { | |
236 | memset(info, 0, sizeof(*info)); | |
237 | info->library_name = "PCSX-ReARMed"; | |
238 | info->library_version = REV; | |
239 | info->valid_extensions = "bin|cue|img|mdf|pbp|cbn"; | |
240 | info->need_fullpath = true; | |
241 | } | |
242 | ||
243 | void retro_get_system_av_info(struct retro_system_av_info *info) | |
244 | { | |
245 | memset(info, 0, sizeof(*info)); | |
246 | info->timing.fps = 60; | |
247 | info->timing.sample_rate = 44100; | |
248 | info->geometry.base_width = 320; | |
249 | info->geometry.base_height = 240; | |
250 | info->geometry.max_width = 640; | |
251 | info->geometry.max_height = 512; | |
252 | info->geometry.aspect_ratio = 4.0 / 3.0; | |
253 | } | |
254 | ||
255 | /* TODO */ | |
256 | size_t retro_serialize_size(void) | |
257 | { | |
258 | return 0; | |
259 | } | |
260 | ||
261 | bool retro_serialize(void *data, size_t size) | |
262 | { | |
263 | return false; | |
264 | } | |
265 | ||
266 | bool retro_unserialize(const void *data, size_t size) | |
267 | { | |
268 | return false; | |
269 | } | |
270 | ||
271 | void retro_cheat_reset(void) | |
272 | { | |
273 | } | |
274 | ||
275 | void retro_cheat_set(unsigned index, bool enabled, const char *code) | |
276 | { | |
277 | } | |
278 | ||
279 | bool retro_load_game(const struct retro_game_info *info) | |
280 | { | |
46aa5b98 | 281 | #ifdef FRONTEND_SUPPORTS_RGB565 |
c19aba43 | 282 | enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565; |
9f766dbe | 283 | if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) { |
f29fbd53 | 284 | SysPrintf("RGB565 supported, using it\n"); |
c19aba43 | 285 | } |
46aa5b98 | 286 | #endif |
c19aba43 | 287 | |
38c2028e | 288 | if (plugins_opened) { |
289 | ClosePlugins(); | |
290 | plugins_opened = 0; | |
291 | } | |
292 | ||
293 | set_cd_image(info->path); | |
294 | ||
295 | /* have to reload after set_cd_image for correct cdr plugin */ | |
296 | if (LoadPlugins() == -1) { | |
f29fbd53 | 297 | SysPrintf("failed to load plugins\n"); |
38c2028e | 298 | return false; |
299 | } | |
300 | ||
301 | plugins_opened = 1; | |
302 | NetOpened = 0; | |
303 | ||
304 | if (OpenPlugins() == -1) { | |
f29fbd53 | 305 | SysPrintf("failed to open plugins\n"); |
38c2028e | 306 | return false; |
307 | } | |
308 | ||
309 | plugin_call_rearmed_cbs(); | |
310 | ||
311 | Config.PsxAuto = 1; | |
312 | if (CheckCdrom() == -1) { | |
f29fbd53 | 313 | SysPrintf("unsupported/invalid CD image: %s\n", info->path); |
38c2028e | 314 | return false; |
315 | } | |
316 | ||
317 | SysReset(); | |
318 | ||
319 | if (LoadCdrom() == -1) { | |
f29fbd53 | 320 | SysPrintf("could not load CD-ROM!\n"); |
38c2028e | 321 | return false; |
322 | } | |
79f216e3 | 323 | emu_on_new_cd(0); |
38c2028e | 324 | |
325 | return true; | |
326 | } | |
327 | ||
328 | bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info) | |
329 | { | |
330 | return false; | |
331 | } | |
332 | ||
333 | void retro_unload_game(void) | |
334 | { | |
335 | } | |
336 | ||
337 | unsigned retro_get_region(void) | |
338 | { | |
339 | return RETRO_REGION_NTSC; | |
340 | } | |
341 | ||
342 | void *retro_get_memory_data(unsigned id) | |
343 | { | |
f9f60dae | 344 | return Mcd1Data; |
38c2028e | 345 | } |
346 | ||
347 | size_t retro_get_memory_size(unsigned id) | |
348 | { | |
f9f60dae | 349 | return MCD_SIZE; |
38c2028e | 350 | } |
351 | ||
352 | void retro_reset(void) | |
353 | { | |
354 | SysReset(); | |
355 | } | |
356 | ||
357 | static const unsigned short retro_psx_map[] = { | |
358 | [RETRO_DEVICE_ID_JOYPAD_B] = 1 << DKEY_CROSS, | |
359 | [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << DKEY_SQUARE, | |
360 | [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT, | |
361 | [RETRO_DEVICE_ID_JOYPAD_START] = 1 << DKEY_START, | |
362 | [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << DKEY_UP, | |
363 | [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << DKEY_DOWN, | |
364 | [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << DKEY_LEFT, | |
365 | [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << DKEY_RIGHT, | |
366 | [RETRO_DEVICE_ID_JOYPAD_A] = 1 << DKEY_CIRCLE, | |
367 | [RETRO_DEVICE_ID_JOYPAD_X] = 1 << DKEY_TRIANGLE, | |
368 | [RETRO_DEVICE_ID_JOYPAD_L] = 1 << DKEY_L1, | |
369 | [RETRO_DEVICE_ID_JOYPAD_R] = 1 << DKEY_R1, | |
370 | [RETRO_DEVICE_ID_JOYPAD_L2] = 1 << DKEY_L2, | |
371 | [RETRO_DEVICE_ID_JOYPAD_R2] = 1 << DKEY_R2, | |
372 | [RETRO_DEVICE_ID_JOYPAD_L3] = 1 << DKEY_L3, | |
373 | [RETRO_DEVICE_ID_JOYPAD_R3] = 1 << DKEY_R3, | |
374 | }; | |
375 | #define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0])) | |
376 | ||
377 | void retro_run(void) | |
378 | { | |
379 | int i; | |
380 | ||
381 | input_poll_cb(); | |
382 | in_keystate = 0; | |
383 | for (i = 0; i < RETRO_PSX_MAP_LEN; i++) | |
384 | if (input_state_cb(1, RETRO_DEVICE_JOYPAD, 0, i)) | |
385 | in_keystate |= retro_psx_map[i]; | |
386 | in_keystate <<= 16; | |
387 | for (i = 0; i < RETRO_PSX_MAP_LEN; i++) | |
388 | if (input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, i)) | |
389 | in_keystate |= retro_psx_map[i]; | |
390 | ||
391 | stop = 0; | |
392 | psxCpu->Execute(); | |
393 | ||
394 | samples_to_send += 44100 / 60; | |
e2bdb933 | 395 | |
396 | video_cb(game_fb_dirty ? vout_buf : NULL, game_width, game_height, game_width * 2); | |
397 | game_fb_dirty = 0; | |
38c2028e | 398 | } |
399 | ||
400 | void retro_init(void) | |
401 | { | |
402 | const char *bios[] = { "scph1001", "scph5501", "scph7001" }; | |
403 | const char *dir; | |
404 | char path[256]; | |
405 | FILE *f = NULL; | |
406 | int i, ret, level; | |
407 | ||
408 | ret = emu_core_preinit(); | |
409 | ret |= emu_core_init(); | |
410 | if (ret != 0) { | |
f29fbd53 | 411 | SysPrintf("PCSX init failed.\n"); |
38c2028e | 412 | exit(1); |
413 | } | |
414 | ||
415 | vout_buf = malloc(640 * 512 * 2); | |
416 | ||
417 | if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir) | |
418 | { | |
419 | snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s/", dir); | |
420 | ||
421 | for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++) { | |
422 | snprintf(path, sizeof(path), "%s/%s.bin", dir, bios[i]); | |
423 | f = fopen(path, "r"); | |
424 | if (f != NULL) { | |
425 | snprintf(Config.Bios, sizeof(Config.Bios), "%s.bin", bios[i]); | |
426 | break; | |
427 | } | |
428 | } | |
429 | } | |
430 | if (f != NULL) { | |
f29fbd53 | 431 | SysPrintf("found BIOS file: %s\n", Config.Bios); |
38c2028e | 432 | fclose(f); |
433 | } | |
434 | else | |
f29fbd53 | 435 | SysPrintf("no BIOS files found.\n"); |
38c2028e | 436 | |
437 | level = 1; | |
438 | environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level); | |
f9f60dae | 439 | |
5ca2ec64 | 440 | /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times) |
441 | * we have to do this because cache misses and some IO penalties | |
442 | * are not emulated. Warning: changing this may break compatibility. */ | |
443 | #ifdef __ARM_ARCH_7A__ | |
444 | cycle_multiplier = 175; | |
445 | #else | |
446 | cycle_multiplier = 200; | |
447 | #endif | |
448 | ||
f9f60dae TK |
449 | McdDisable[0] = 0; |
450 | McdDisable[1] = 1; | |
7df396ea | 451 | init_memcard(Mcd1Data); |
38c2028e | 452 | } |
453 | ||
454 | void retro_deinit(void) | |
455 | { | |
456 | SysClose(); | |
457 | free(vout_buf); | |
458 | vout_buf = NULL; | |
459 | } |