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; | |
70d56ca3 | 31 | static int vout_width, vout_height; |
32 | static int vout_doffs_old, vout_fb_dirty; | |
1a6164a1 | 33 | static bool vout_can_dupe; |
70d56ca3 | 34 | |
38c2028e | 35 | static int samples_sent, samples_to_send; |
36 | static int plugins_opened; | |
37 | ||
f9f60dae TK |
38 | /* memory card data */ |
39 | extern char Mcd1Data[MCD_SIZE]; | |
40 | extern char McdDisable[2]; | |
38c2028e | 41 | |
42 | /* PCSX ReARMed core calls and stuff */ | |
43 | int in_type1, in_type2; | |
44 | int in_a1[2] = { 127, 127 }, in_a2[2] = { 127, 127 }; | |
45 | int in_keystate; | |
46 | int in_enable_vibration; | |
47 | ||
7df396ea TK |
48 | static void init_memcard(char *mcd_data) |
49 | { | |
50 | unsigned off = 0; | |
51 | unsigned i; | |
52 | ||
53 | memset(mcd_data, 0, MCD_SIZE); | |
54 | ||
55 | mcd_data[off++] = 'M'; | |
56 | mcd_data[off++] = 'C'; | |
57 | off += 0x7d; | |
58 | mcd_data[off++] = 0x0e; | |
59 | ||
60 | for (i = 0; i < 15; i++) { | |
61 | mcd_data[off++] = 0xa0; | |
62 | off += 0x07; | |
63 | mcd_data[off++] = 0xff; | |
64 | mcd_data[off++] = 0xff; | |
65 | off += 0x75; | |
66 | mcd_data[off++] = 0xa0; | |
67 | } | |
68 | ||
69 | for (i = 0; i < 20; i++) { | |
70 | mcd_data[off++] = 0xff; | |
71 | mcd_data[off++] = 0xff; | |
72 | mcd_data[off++] = 0xff; | |
73 | mcd_data[off++] = 0xff; | |
74 | off += 0x04; | |
75 | mcd_data[off++] = 0xff; | |
76 | mcd_data[off++] = 0xff; | |
77 | off += 0x76; | |
78 | } | |
79 | } | |
80 | ||
38c2028e | 81 | static int vout_open(void) |
82 | { | |
83 | return 0; | |
84 | } | |
85 | ||
e4c83ca6 | 86 | static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp) |
38c2028e | 87 | { |
70d56ca3 | 88 | vout_width = w; |
89 | vout_height = h; | |
38c2028e | 90 | } |
91 | ||
cc4f9b70 | 92 | #ifndef FRONTEND_SUPPORTS_RGB565 |
9c59f120 | 93 | static void convert(void *buf, size_t bytes) |
38c2028e | 94 | { |
95 | unsigned int i, v, *p = buf; | |
96 | ||
9c59f120 | 97 | for (i = 0; i < bytes / 4; i++) { |
38c2028e | 98 | v = p[i]; |
99 | p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0); | |
100 | } | |
101 | } | |
46aa5b98 | 102 | #endif |
38c2028e | 103 | |
fa56d360 | 104 | static void vout_flip(const void *vram, int stride, int bgr24, int w, int h) |
38c2028e | 105 | { |
fa56d360 | 106 | unsigned short *dest = vout_buf; |
107 | const unsigned short *src = vram; | |
70d56ca3 | 108 | int dstride = vout_width, h1 = h; |
109 | int doffs; | |
38c2028e | 110 | |
fa56d360 | 111 | if (vram == NULL) { |
112 | // blanking | |
cc56203b | 113 | memset(vout_buf, 0, dstride * h * 2); |
fa56d360 | 114 | goto out; |
115 | } | |
116 | ||
70d56ca3 | 117 | doffs = (vout_height - h) * dstride; |
118 | doffs += (dstride - w) / 2 & ~1; | |
119 | if (doffs != vout_doffs_old) { | |
120 | // clear borders | |
121 | memset(vout_buf, 0, dstride * h * 2); | |
122 | vout_doffs_old = doffs; | |
123 | } | |
124 | dest += doffs; | |
125 | ||
fa56d360 | 126 | if (bgr24) |
127 | { | |
128 | // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here? | |
129 | for (; h1-- > 0; dest += dstride, src += stride) | |
130 | { | |
131 | bgr888_to_rgb565(dest, src, w * 3); | |
132 | } | |
133 | } | |
134 | else | |
135 | { | |
136 | for (; h1-- > 0; dest += dstride, src += stride) | |
137 | { | |
138 | bgr555_to_rgb565(dest, src, w * 2); | |
139 | } | |
140 | } | |
38c2028e | 141 | |
fa56d360 | 142 | out: |
46aa5b98 | 143 | #ifndef FRONTEND_SUPPORTS_RGB565 |
70d56ca3 | 144 | convert(vout_buf, vout_width * vout_height * 2); |
46aa5b98 | 145 | #endif |
70d56ca3 | 146 | vout_fb_dirty = 1; |
fa56d360 | 147 | pl_rearmed_cbs.flip_cnt++; |
38c2028e | 148 | } |
149 | ||
150 | static void vout_close(void) | |
151 | { | |
152 | } | |
153 | ||
cc56203b | 154 | static void *pl_mmap(unsigned int size) |
155 | { | |
87e5b45f | 156 | return psxMap(0, size, 0, MAP_TAG_VRAM); |
cc56203b | 157 | } |
158 | ||
159 | static void pl_munmap(void *ptr, unsigned int size) | |
160 | { | |
87e5b45f | 161 | psxUnmap(ptr, size, MAP_TAG_VRAM); |
cc56203b | 162 | } |
163 | ||
38c2028e | 164 | struct rearmed_cbs pl_rearmed_cbs = { |
165 | .pl_vout_open = vout_open, | |
166 | .pl_vout_set_mode = vout_set_mode, | |
167 | .pl_vout_flip = vout_flip, | |
168 | .pl_vout_close = vout_close, | |
cc56203b | 169 | .mmap = pl_mmap, |
170 | .munmap = pl_munmap, | |
38c2028e | 171 | /* from psxcounters */ |
172 | .gpu_hcnt = &hSyncCount, | |
173 | .gpu_frame_count = &frame_counter, | |
174 | }; | |
175 | ||
176 | void pl_frame_limit(void) | |
177 | { | |
178 | /* called once per frame, make psxCpu->Execute() above return */ | |
179 | stop = 1; | |
180 | } | |
181 | ||
182 | void pl_timing_prepare(int is_pal) | |
183 | { | |
184 | } | |
185 | ||
186 | void plat_trigger_vibrate(int is_strong) | |
187 | { | |
188 | } | |
189 | ||
e4c83ca6 | 190 | void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in) |
38c2028e | 191 | { |
192 | } | |
193 | ||
194 | /* sound calls */ | |
07c13dfd | 195 | static int snd_init(void) |
38c2028e | 196 | { |
07c13dfd | 197 | return 0; |
38c2028e | 198 | } |
199 | ||
07c13dfd | 200 | static void snd_finish(void) |
38c2028e | 201 | { |
202 | } | |
203 | ||
07c13dfd | 204 | static int snd_busy(void) |
38c2028e | 205 | { |
206 | if (samples_to_send > samples_sent) | |
207 | return 0; /* give more samples */ | |
208 | else | |
209 | return 1; | |
210 | } | |
211 | ||
07c13dfd | 212 | static void snd_feed(void *buf, int bytes) |
38c2028e | 213 | { |
214 | audio_batch_cb(buf, bytes / 4); | |
215 | samples_sent += bytes / 4; | |
216 | } | |
217 | ||
07c13dfd | 218 | void out_register_libretro(struct out_driver *drv) |
219 | { | |
220 | drv->name = "libretro"; | |
221 | drv->init = snd_init; | |
222 | drv->finish = snd_finish; | |
223 | drv->busy = snd_busy; | |
224 | drv->feed = snd_feed; | |
225 | } | |
226 | ||
38c2028e | 227 | /* libretro */ |
228 | void retro_set_environment(retro_environment_t cb) { environ_cb = cb; } | |
229 | void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; } | |
230 | void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; } | |
231 | void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; } | |
232 | void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; } | |
233 | void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; } | |
234 | ||
235 | unsigned retro_api_version(void) | |
236 | { | |
237 | return RETRO_API_VERSION; | |
238 | } | |
239 | ||
240 | void retro_set_controller_port_device(unsigned port, unsigned device) | |
241 | { | |
242 | } | |
243 | ||
244 | void retro_get_system_info(struct retro_system_info *info) | |
245 | { | |
246 | memset(info, 0, sizeof(*info)); | |
247 | info->library_name = "PCSX-ReARMed"; | |
248 | info->library_version = REV; | |
249 | info->valid_extensions = "bin|cue|img|mdf|pbp|cbn"; | |
250 | info->need_fullpath = true; | |
251 | } | |
252 | ||
253 | void retro_get_system_av_info(struct retro_system_av_info *info) | |
254 | { | |
255 | memset(info, 0, sizeof(*info)); | |
256 | info->timing.fps = 60; | |
257 | info->timing.sample_rate = 44100; | |
258 | info->geometry.base_width = 320; | |
259 | info->geometry.base_height = 240; | |
260 | info->geometry.max_width = 640; | |
261 | info->geometry.max_height = 512; | |
262 | info->geometry.aspect_ratio = 4.0 / 3.0; | |
263 | } | |
264 | ||
265 | /* TODO */ | |
266 | size_t retro_serialize_size(void) | |
267 | { | |
268 | return 0; | |
269 | } | |
270 | ||
271 | bool retro_serialize(void *data, size_t size) | |
272 | { | |
273 | return false; | |
274 | } | |
275 | ||
276 | bool retro_unserialize(const void *data, size_t size) | |
277 | { | |
278 | return false; | |
279 | } | |
280 | ||
281 | void retro_cheat_reset(void) | |
282 | { | |
283 | } | |
284 | ||
285 | void retro_cheat_set(unsigned index, bool enabled, const char *code) | |
286 | { | |
287 | } | |
288 | ||
289 | bool retro_load_game(const struct retro_game_info *info) | |
290 | { | |
46aa5b98 | 291 | #ifdef FRONTEND_SUPPORTS_RGB565 |
c19aba43 | 292 | enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565; |
9f766dbe | 293 | if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) { |
f29fbd53 | 294 | SysPrintf("RGB565 supported, using it\n"); |
c19aba43 | 295 | } |
46aa5b98 | 296 | #endif |
c19aba43 | 297 | |
38c2028e | 298 | if (plugins_opened) { |
299 | ClosePlugins(); | |
300 | plugins_opened = 0; | |
301 | } | |
302 | ||
303 | set_cd_image(info->path); | |
304 | ||
305 | /* have to reload after set_cd_image for correct cdr plugin */ | |
306 | if (LoadPlugins() == -1) { | |
f29fbd53 | 307 | SysPrintf("failed to load plugins\n"); |
38c2028e | 308 | return false; |
309 | } | |
310 | ||
311 | plugins_opened = 1; | |
312 | NetOpened = 0; | |
313 | ||
314 | if (OpenPlugins() == -1) { | |
f29fbd53 | 315 | SysPrintf("failed to open plugins\n"); |
38c2028e | 316 | return false; |
317 | } | |
318 | ||
319 | plugin_call_rearmed_cbs(); | |
320 | ||
321 | Config.PsxAuto = 1; | |
322 | if (CheckCdrom() == -1) { | |
f29fbd53 | 323 | SysPrintf("unsupported/invalid CD image: %s\n", info->path); |
38c2028e | 324 | return false; |
325 | } | |
326 | ||
327 | SysReset(); | |
328 | ||
329 | if (LoadCdrom() == -1) { | |
f29fbd53 | 330 | SysPrintf("could not load CD-ROM!\n"); |
38c2028e | 331 | return false; |
332 | } | |
79f216e3 | 333 | emu_on_new_cd(0); |
38c2028e | 334 | |
335 | return true; | |
336 | } | |
337 | ||
338 | bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info) | |
339 | { | |
340 | return false; | |
341 | } | |
342 | ||
343 | void retro_unload_game(void) | |
344 | { | |
345 | } | |
346 | ||
347 | unsigned retro_get_region(void) | |
348 | { | |
349 | return RETRO_REGION_NTSC; | |
350 | } | |
351 | ||
352 | void *retro_get_memory_data(unsigned id) | |
353 | { | |
f9f60dae | 354 | return Mcd1Data; |
38c2028e | 355 | } |
356 | ||
357 | size_t retro_get_memory_size(unsigned id) | |
358 | { | |
f9f60dae | 359 | return MCD_SIZE; |
38c2028e | 360 | } |
361 | ||
362 | void retro_reset(void) | |
363 | { | |
364 | SysReset(); | |
365 | } | |
366 | ||
367 | static const unsigned short retro_psx_map[] = { | |
368 | [RETRO_DEVICE_ID_JOYPAD_B] = 1 << DKEY_CROSS, | |
369 | [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << DKEY_SQUARE, | |
370 | [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT, | |
371 | [RETRO_DEVICE_ID_JOYPAD_START] = 1 << DKEY_START, | |
372 | [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << DKEY_UP, | |
373 | [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << DKEY_DOWN, | |
374 | [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << DKEY_LEFT, | |
375 | [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << DKEY_RIGHT, | |
376 | [RETRO_DEVICE_ID_JOYPAD_A] = 1 << DKEY_CIRCLE, | |
377 | [RETRO_DEVICE_ID_JOYPAD_X] = 1 << DKEY_TRIANGLE, | |
378 | [RETRO_DEVICE_ID_JOYPAD_L] = 1 << DKEY_L1, | |
379 | [RETRO_DEVICE_ID_JOYPAD_R] = 1 << DKEY_R1, | |
380 | [RETRO_DEVICE_ID_JOYPAD_L2] = 1 << DKEY_L2, | |
381 | [RETRO_DEVICE_ID_JOYPAD_R2] = 1 << DKEY_R2, | |
382 | [RETRO_DEVICE_ID_JOYPAD_L3] = 1 << DKEY_L3, | |
383 | [RETRO_DEVICE_ID_JOYPAD_R3] = 1 << DKEY_R3, | |
384 | }; | |
385 | #define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0])) | |
386 | ||
387 | void retro_run(void) | |
388 | { | |
389 | int i; | |
390 | ||
391 | input_poll_cb(); | |
392 | in_keystate = 0; | |
393 | for (i = 0; i < RETRO_PSX_MAP_LEN; i++) | |
394 | if (input_state_cb(1, RETRO_DEVICE_JOYPAD, 0, i)) | |
395 | in_keystate |= retro_psx_map[i]; | |
396 | in_keystate <<= 16; | |
397 | for (i = 0; i < RETRO_PSX_MAP_LEN; i++) | |
398 | if (input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, i)) | |
399 | in_keystate |= retro_psx_map[i]; | |
400 | ||
401 | stop = 0; | |
402 | psxCpu->Execute(); | |
403 | ||
404 | samples_to_send += 44100 / 60; | |
e2bdb933 | 405 | |
1a6164a1 | 406 | video_cb((vout_fb_dirty || !vout_can_dupe) ? vout_buf : NULL, |
407 | vout_width, vout_height, vout_width * 2); | |
70d56ca3 | 408 | vout_fb_dirty = 0; |
38c2028e | 409 | } |
410 | ||
411 | void retro_init(void) | |
412 | { | |
413 | const char *bios[] = { "scph1001", "scph5501", "scph7001" }; | |
414 | const char *dir; | |
415 | char path[256]; | |
416 | FILE *f = NULL; | |
417 | int i, ret, level; | |
418 | ||
419 | ret = emu_core_preinit(); | |
420 | ret |= emu_core_init(); | |
421 | if (ret != 0) { | |
f29fbd53 | 422 | SysPrintf("PCSX init failed.\n"); |
38c2028e | 423 | exit(1); |
424 | } | |
425 | ||
426 | vout_buf = malloc(640 * 512 * 2); | |
427 | ||
428 | if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir) | |
429 | { | |
430 | snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s/", dir); | |
431 | ||
432 | for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++) { | |
433 | snprintf(path, sizeof(path), "%s/%s.bin", dir, bios[i]); | |
434 | f = fopen(path, "r"); | |
435 | if (f != NULL) { | |
436 | snprintf(Config.Bios, sizeof(Config.Bios), "%s.bin", bios[i]); | |
437 | break; | |
438 | } | |
439 | } | |
440 | } | |
441 | if (f != NULL) { | |
f29fbd53 | 442 | SysPrintf("found BIOS file: %s\n", Config.Bios); |
38c2028e | 443 | fclose(f); |
444 | } | |
445 | else | |
f29fbd53 | 446 | SysPrintf("no BIOS files found.\n"); |
38c2028e | 447 | |
448 | level = 1; | |
449 | environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level); | |
f9f60dae | 450 | |
1a6164a1 | 451 | environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe); |
452 | ||
5ca2ec64 | 453 | /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times) |
454 | * we have to do this because cache misses and some IO penalties | |
455 | * are not emulated. Warning: changing this may break compatibility. */ | |
456 | #ifdef __ARM_ARCH_7A__ | |
457 | cycle_multiplier = 175; | |
458 | #else | |
459 | cycle_multiplier = 200; | |
460 | #endif | |
461 | ||
f9f60dae TK |
462 | McdDisable[0] = 0; |
463 | McdDisable[1] = 1; | |
7df396ea | 464 | init_memcard(Mcd1Data); |
38c2028e | 465 | } |
466 | ||
467 | void retro_deinit(void) | |
468 | { | |
469 | SysClose(); | |
470 | free(vout_buf); | |
471 | vout_buf = NULL; | |
472 | } |