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" |
23ea11bd | 16 | #include "../libpcsxcore/cdrom.h" |
17 | #include "../libpcsxcore/cdriso.h" | |
6e921e1d | 18 | #include "../libpcsxcore/cheat.h" |
07c13dfd | 19 | #include "../plugins/dfsound/out.h" |
c82f907a | 20 | #include "cspace.h" |
38c2028e | 21 | #include "main.h" |
22 | #include "plugin.h" | |
23 | #include "plugin_lib.h" | |
24 | #include "revision.h" | |
25 | #include "libretro.h" | |
26 | ||
27 | static retro_video_refresh_t video_cb; | |
28 | static retro_input_poll_t input_poll_cb; | |
29 | static retro_input_state_t input_state_cb; | |
30 | static retro_environment_t environ_cb; | |
31 | static retro_audio_sample_batch_t audio_batch_cb; | |
32 | ||
33 | static void *vout_buf; | |
70d56ca3 | 34 | static int vout_width, vout_height; |
35 | static int vout_doffs_old, vout_fb_dirty; | |
1a6164a1 | 36 | static bool vout_can_dupe; |
70d56ca3 | 37 | |
38c2028e | 38 | static int samples_sent, samples_to_send; |
39 | static int plugins_opened; | |
17f84149 | 40 | static int is_pal_mode; |
38c2028e | 41 | |
f9f60dae TK |
42 | /* memory card data */ |
43 | extern char Mcd1Data[MCD_SIZE]; | |
44 | extern char McdDisable[2]; | |
38c2028e | 45 | |
46 | /* PCSX ReARMed core calls and stuff */ | |
47 | int in_type1, in_type2; | |
48 | int in_a1[2] = { 127, 127 }, in_a2[2] = { 127, 127 }; | |
49 | int in_keystate; | |
50 | int in_enable_vibration; | |
51 | ||
7df396ea TK |
52 | static void init_memcard(char *mcd_data) |
53 | { | |
54 | unsigned off = 0; | |
55 | unsigned i; | |
56 | ||
57 | memset(mcd_data, 0, MCD_SIZE); | |
58 | ||
59 | mcd_data[off++] = 'M'; | |
60 | mcd_data[off++] = 'C'; | |
61 | off += 0x7d; | |
62 | mcd_data[off++] = 0x0e; | |
63 | ||
64 | for (i = 0; i < 15; i++) { | |
65 | mcd_data[off++] = 0xa0; | |
66 | off += 0x07; | |
67 | mcd_data[off++] = 0xff; | |
68 | mcd_data[off++] = 0xff; | |
69 | off += 0x75; | |
70 | mcd_data[off++] = 0xa0; | |
71 | } | |
72 | ||
73 | for (i = 0; i < 20; i++) { | |
74 | mcd_data[off++] = 0xff; | |
75 | mcd_data[off++] = 0xff; | |
76 | mcd_data[off++] = 0xff; | |
77 | mcd_data[off++] = 0xff; | |
78 | off += 0x04; | |
79 | mcd_data[off++] = 0xff; | |
80 | mcd_data[off++] = 0xff; | |
81 | off += 0x76; | |
82 | } | |
83 | } | |
84 | ||
38c2028e | 85 | static int vout_open(void) |
86 | { | |
87 | return 0; | |
88 | } | |
89 | ||
e4c83ca6 | 90 | static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp) |
38c2028e | 91 | { |
70d56ca3 | 92 | vout_width = w; |
93 | vout_height = h; | |
38c2028e | 94 | } |
95 | ||
cc4f9b70 | 96 | #ifndef FRONTEND_SUPPORTS_RGB565 |
9c59f120 | 97 | static void convert(void *buf, size_t bytes) |
38c2028e | 98 | { |
99 | unsigned int i, v, *p = buf; | |
100 | ||
9c59f120 | 101 | for (i = 0; i < bytes / 4; i++) { |
38c2028e | 102 | v = p[i]; |
103 | p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0); | |
104 | } | |
105 | } | |
46aa5b98 | 106 | #endif |
38c2028e | 107 | |
fa56d360 | 108 | static void vout_flip(const void *vram, int stride, int bgr24, int w, int h) |
38c2028e | 109 | { |
fa56d360 | 110 | unsigned short *dest = vout_buf; |
111 | const unsigned short *src = vram; | |
70d56ca3 | 112 | int dstride = vout_width, h1 = h; |
113 | int doffs; | |
38c2028e | 114 | |
fa56d360 | 115 | if (vram == NULL) { |
116 | // blanking | |
cc56203b | 117 | memset(vout_buf, 0, dstride * h * 2); |
fa56d360 | 118 | goto out; |
119 | } | |
120 | ||
70d56ca3 | 121 | doffs = (vout_height - h) * dstride; |
122 | doffs += (dstride - w) / 2 & ~1; | |
123 | if (doffs != vout_doffs_old) { | |
124 | // clear borders | |
125 | memset(vout_buf, 0, dstride * h * 2); | |
126 | vout_doffs_old = doffs; | |
127 | } | |
128 | dest += doffs; | |
129 | ||
fa56d360 | 130 | if (bgr24) |
131 | { | |
132 | // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here? | |
133 | for (; h1-- > 0; dest += dstride, src += stride) | |
134 | { | |
135 | bgr888_to_rgb565(dest, src, w * 3); | |
136 | } | |
137 | } | |
138 | else | |
139 | { | |
140 | for (; h1-- > 0; dest += dstride, src += stride) | |
141 | { | |
142 | bgr555_to_rgb565(dest, src, w * 2); | |
143 | } | |
144 | } | |
38c2028e | 145 | |
fa56d360 | 146 | out: |
46aa5b98 | 147 | #ifndef FRONTEND_SUPPORTS_RGB565 |
70d56ca3 | 148 | convert(vout_buf, vout_width * vout_height * 2); |
46aa5b98 | 149 | #endif |
70d56ca3 | 150 | vout_fb_dirty = 1; |
fa56d360 | 151 | pl_rearmed_cbs.flip_cnt++; |
38c2028e | 152 | } |
153 | ||
154 | static void vout_close(void) | |
155 | { | |
156 | } | |
157 | ||
cc56203b | 158 | static void *pl_mmap(unsigned int size) |
159 | { | |
87e5b45f | 160 | return psxMap(0, size, 0, MAP_TAG_VRAM); |
cc56203b | 161 | } |
162 | ||
163 | static void pl_munmap(void *ptr, unsigned int size) | |
164 | { | |
87e5b45f | 165 | psxUnmap(ptr, size, MAP_TAG_VRAM); |
cc56203b | 166 | } |
167 | ||
38c2028e | 168 | struct rearmed_cbs pl_rearmed_cbs = { |
169 | .pl_vout_open = vout_open, | |
170 | .pl_vout_set_mode = vout_set_mode, | |
171 | .pl_vout_flip = vout_flip, | |
172 | .pl_vout_close = vout_close, | |
cc56203b | 173 | .mmap = pl_mmap, |
174 | .munmap = pl_munmap, | |
38c2028e | 175 | /* from psxcounters */ |
176 | .gpu_hcnt = &hSyncCount, | |
177 | .gpu_frame_count = &frame_counter, | |
178 | }; | |
179 | ||
180 | void pl_frame_limit(void) | |
181 | { | |
182 | /* called once per frame, make psxCpu->Execute() above return */ | |
183 | stop = 1; | |
184 | } | |
185 | ||
186 | void pl_timing_prepare(int is_pal) | |
187 | { | |
17f84149 | 188 | is_pal_mode = is_pal; |
38c2028e | 189 | } |
190 | ||
191 | void plat_trigger_vibrate(int is_strong) | |
192 | { | |
193 | } | |
194 | ||
e4c83ca6 | 195 | void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in) |
38c2028e | 196 | { |
197 | } | |
198 | ||
199 | /* sound calls */ | |
07c13dfd | 200 | static int snd_init(void) |
38c2028e | 201 | { |
07c13dfd | 202 | return 0; |
38c2028e | 203 | } |
204 | ||
07c13dfd | 205 | static void snd_finish(void) |
38c2028e | 206 | { |
207 | } | |
208 | ||
07c13dfd | 209 | static int snd_busy(void) |
38c2028e | 210 | { |
211 | if (samples_to_send > samples_sent) | |
212 | return 0; /* give more samples */ | |
213 | else | |
214 | return 1; | |
215 | } | |
216 | ||
07c13dfd | 217 | static void snd_feed(void *buf, int bytes) |
38c2028e | 218 | { |
219 | audio_batch_cb(buf, bytes / 4); | |
220 | samples_sent += bytes / 4; | |
221 | } | |
222 | ||
07c13dfd | 223 | void out_register_libretro(struct out_driver *drv) |
224 | { | |
225 | drv->name = "libretro"; | |
226 | drv->init = snd_init; | |
227 | drv->finish = snd_finish; | |
228 | drv->busy = snd_busy; | |
229 | drv->feed = snd_feed; | |
230 | } | |
231 | ||
38c2028e | 232 | /* libretro */ |
6b5beb44 | 233 | void retro_set_environment(retro_environment_t cb) |
234 | { | |
6b5beb44 | 235 | static const struct retro_variable vars[] = { |
a8f3f1d2 | 236 | { "frameskip", "Frameskip; 0|1|2|3" }, |
2c67e0e8 | 237 | { "region", "Region; Auto|NTSC|PAL" }, |
a8f3f1d2 | 238 | #ifdef __ARM_NEON__ |
2c67e0e8 | 239 | { "neon_interlace_enable", "Enable interlacing mode(s); disabled|enabled" }, |
6790d7fd | 240 | #if 0 |
6b5beb44 | 241 | { "neon_enhancement_enable", "Enhanced resolution (slow); disabled|enabled" }, |
6790d7fd | 242 | #endif |
a8f3f1d2 | 243 | #endif |
6b5beb44 | 244 | { NULL, NULL }, |
245 | }; | |
246 | ||
247 | environ_cb = cb; | |
248 | ||
249 | cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void*)vars); | |
6b5beb44 | 250 | } |
251 | ||
38c2028e | 252 | void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; } |
253 | void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; } | |
254 | void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; } | |
255 | void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; } | |
256 | void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; } | |
257 | ||
258 | unsigned retro_api_version(void) | |
259 | { | |
260 | return RETRO_API_VERSION; | |
261 | } | |
262 | ||
263 | void retro_set_controller_port_device(unsigned port, unsigned device) | |
264 | { | |
265 | } | |
266 | ||
267 | void retro_get_system_info(struct retro_system_info *info) | |
268 | { | |
269 | memset(info, 0, sizeof(*info)); | |
270 | info->library_name = "PCSX-ReARMed"; | |
8045ba8e | 271 | info->library_version = "r19"; |
a1bd0636 | 272 | info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u"; |
38c2028e | 273 | info->need_fullpath = true; |
274 | } | |
275 | ||
276 | void retro_get_system_av_info(struct retro_system_av_info *info) | |
277 | { | |
278 | memset(info, 0, sizeof(*info)); | |
17f84149 | 279 | info->timing.fps = is_pal_mode ? 50 : 60; |
38c2028e | 280 | info->timing.sample_rate = 44100; |
281 | info->geometry.base_width = 320; | |
282 | info->geometry.base_height = 240; | |
283 | info->geometry.max_width = 640; | |
284 | info->geometry.max_height = 512; | |
285 | info->geometry.aspect_ratio = 4.0 / 3.0; | |
286 | } | |
287 | ||
6e921e1d | 288 | /* savestates */ |
38c2028e | 289 | size_t retro_serialize_size(void) |
290 | { | |
6e921e1d | 291 | // it's currently 4380651 bytes, but have some reserved for future |
292 | return 0x430000; | |
293 | } | |
294 | ||
295 | struct save_fp { | |
296 | char *buf; | |
297 | size_t pos; | |
298 | int is_write; | |
299 | }; | |
300 | ||
301 | static void *save_open(const char *name, const char *mode) | |
302 | { | |
303 | struct save_fp *fp; | |
304 | ||
305 | if (name == NULL || mode == NULL) | |
306 | return NULL; | |
307 | ||
308 | fp = malloc(sizeof(*fp)); | |
309 | if (fp == NULL) | |
310 | return NULL; | |
311 | ||
312 | fp->buf = (char *)name; | |
313 | fp->pos = 0; | |
314 | fp->is_write = (mode[0] == 'w' || mode[1] == 'w'); | |
315 | ||
316 | return fp; | |
317 | } | |
318 | ||
319 | static int save_read(void *file, void *buf, u32 len) | |
320 | { | |
321 | struct save_fp *fp = file; | |
322 | if (fp == NULL || buf == NULL) | |
323 | return -1; | |
324 | ||
325 | memcpy(buf, fp->buf + fp->pos, len); | |
326 | fp->pos += len; | |
327 | return len; | |
328 | } | |
329 | ||
330 | static int save_write(void *file, const void *buf, u32 len) | |
331 | { | |
332 | struct save_fp *fp = file; | |
333 | if (fp == NULL || buf == NULL) | |
334 | return -1; | |
335 | ||
336 | memcpy(fp->buf + fp->pos, buf, len); | |
337 | fp->pos += len; | |
338 | return len; | |
339 | } | |
340 | ||
341 | static long save_seek(void *file, long offs, int whence) | |
342 | { | |
343 | struct save_fp *fp = file; | |
344 | if (fp == NULL) | |
345 | return -1; | |
346 | ||
347 | switch (whence) { | |
348 | case SEEK_CUR: | |
349 | fp->pos += offs; | |
350 | return fp->pos; | |
351 | case SEEK_SET: | |
352 | fp->pos = offs; | |
353 | return fp->pos; | |
354 | default: | |
355 | return -1; | |
356 | } | |
357 | } | |
358 | ||
359 | static void save_close(void *file) | |
360 | { | |
361 | struct save_fp *fp = file; | |
362 | size_t r_size = retro_serialize_size(); | |
363 | if (fp == NULL) | |
364 | return; | |
365 | ||
366 | if (fp->pos > r_size) | |
367 | SysPrintf("ERROR: save buffer overflow detected\n"); | |
368 | else if (fp->is_write && fp->pos < r_size) | |
369 | // make sure we don't save trash in leftover space | |
370 | memset(fp->buf + fp->pos, 0, r_size - fp->pos); | |
371 | free(fp); | |
38c2028e | 372 | } |
373 | ||
374 | bool retro_serialize(void *data, size_t size) | |
375 | { | |
6e921e1d | 376 | int ret = SaveState(data); |
377 | return ret == 0 ? true : false; | |
38c2028e | 378 | } |
379 | ||
380 | bool retro_unserialize(const void *data, size_t size) | |
381 | { | |
6e921e1d | 382 | int ret = LoadState(data); |
383 | return ret == 0 ? true : false; | |
38c2028e | 384 | } |
385 | ||
23ea11bd | 386 | /* cheats */ |
38c2028e | 387 | void retro_cheat_reset(void) |
388 | { | |
6e921e1d | 389 | ClearAllCheats(); |
38c2028e | 390 | } |
391 | ||
392 | void retro_cheat_set(unsigned index, bool enabled, const char *code) | |
393 | { | |
6e921e1d | 394 | char buf[256]; |
395 | int ret; | |
396 | ||
397 | // cheat funcs are destructive, need a copy.. | |
398 | strncpy(buf, code, sizeof(buf)); | |
399 | buf[sizeof(buf) - 1] = 0; | |
400 | ||
401 | if (index < NumCheats) | |
402 | ret = EditCheat(index, "", buf); | |
403 | else | |
404 | ret = AddCheat("", buf); | |
405 | ||
406 | if (ret != 0) | |
407 | SysPrintf("Failed to set cheat %#u\n", index); | |
408 | else if (index < NumCheats) | |
409 | Cheats[index].Enabled = enabled; | |
38c2028e | 410 | } |
411 | ||
23ea11bd | 412 | /* multidisk support */ |
413 | static bool disk_ejected; | |
414 | static unsigned int disk_current_index; | |
c8810e87 | 415 | static unsigned int disk_count; |
23ea11bd | 416 | static struct disks_state { |
417 | char *fname; | |
418 | int internal_index; // for multidisk eboots | |
419 | } disks[8]; | |
420 | ||
421 | static bool disk_set_eject_state(bool ejected) | |
422 | { | |
423 | // weird PCSX API.. | |
424 | SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2)); | |
425 | LidInterrupt(); | |
426 | ||
427 | disk_ejected = ejected; | |
428 | return true; | |
429 | } | |
430 | ||
431 | static bool disk_get_eject_state(void) | |
432 | { | |
433 | /* can't be controlled by emulated software */ | |
434 | return disk_ejected; | |
435 | } | |
436 | ||
437 | static unsigned int disk_get_image_index(void) | |
438 | { | |
439 | return disk_current_index; | |
440 | } | |
441 | ||
442 | static bool disk_set_image_index(unsigned int index) | |
443 | { | |
444 | if (index >= sizeof(disks) / sizeof(disks[0])) | |
445 | return false; | |
446 | ||
447 | CdromId[0] = '\0'; | |
448 | CdromLabel[0] = '\0'; | |
449 | ||
450 | if (disks[index].fname == NULL) { | |
451 | SysPrintf("missing disk #%u\n", index); | |
452 | CDR_shutdown(); | |
453 | ||
454 | // RetroArch specifies "no disk" with index == count, | |
455 | // so don't fail here.. | |
456 | disk_current_index = index; | |
457 | return true; | |
458 | } | |
459 | ||
460 | SysPrintf("switching to disk %u: \"%s\" #%d\n", index, | |
461 | disks[index].fname, disks[index].internal_index); | |
462 | ||
463 | cdrIsoMultidiskSelect = disks[index].internal_index; | |
464 | set_cd_image(disks[index].fname); | |
465 | if (ReloadCdromPlugin() < 0) { | |
466 | SysPrintf("failed to load cdr plugin\n"); | |
467 | return false; | |
468 | } | |
469 | if (CDR_open() < 0) { | |
470 | SysPrintf("failed to open cdr plugin\n"); | |
471 | return false; | |
472 | } | |
473 | ||
474 | if (!disk_ejected) { | |
475 | SetCdOpenCaseTime(time(NULL) + 2); | |
476 | LidInterrupt(); | |
477 | } | |
478 | ||
479 | disk_current_index = index; | |
480 | return true; | |
481 | } | |
482 | ||
483 | static unsigned int disk_get_num_images(void) | |
484 | { | |
c8810e87 | 485 | return disk_count; |
23ea11bd | 486 | } |
487 | ||
488 | static bool disk_replace_image_index(unsigned index, | |
489 | const struct retro_game_info *info) | |
490 | { | |
491 | char *old_fname; | |
492 | bool ret = true; | |
493 | ||
494 | if (index >= sizeof(disks) / sizeof(disks[0])) | |
495 | return false; | |
496 | ||
497 | old_fname = disks[index].fname; | |
498 | disks[index].fname = NULL; | |
499 | disks[index].internal_index = 0; | |
500 | ||
501 | if (info != NULL) { | |
502 | disks[index].fname = strdup(info->path); | |
503 | if (index == disk_current_index) | |
504 | ret = disk_set_image_index(index); | |
505 | } | |
506 | ||
507 | if (old_fname != NULL) | |
508 | free(old_fname); | |
509 | ||
510 | return ret; | |
511 | } | |
512 | ||
513 | static bool disk_add_image_index(void) | |
514 | { | |
c8810e87 T |
515 | if (disk_count >= 8) |
516 | return false; | |
517 | ||
518 | disk_count++; | |
23ea11bd | 519 | return true; |
520 | } | |
521 | ||
522 | static struct retro_disk_control_callback disk_control = { | |
523 | .set_eject_state = disk_set_eject_state, | |
524 | .get_eject_state = disk_get_eject_state, | |
525 | .get_image_index = disk_get_image_index, | |
526 | .set_image_index = disk_set_image_index, | |
527 | .get_num_images = disk_get_num_images, | |
528 | .replace_image_index = disk_replace_image_index, | |
529 | .add_image_index = disk_add_image_index, | |
530 | }; | |
531 | ||
a1bd0636 T |
532 | // just in case, maybe a win-rt port in the future? |
533 | #ifdef _WIN32 | |
534 | #define SLASH '\\' | |
535 | #else | |
536 | #define SLASH '/' | |
537 | #endif | |
538 | ||
539 | static char base_dir[PATH_MAX]; | |
540 | ||
541 | static bool read_m3u(const char *file) | |
542 | { | |
543 | char line[PATH_MAX]; | |
544 | char name[PATH_MAX]; | |
a1bd0636 T |
545 | FILE *f = fopen(file, "r"); |
546 | if (!f) | |
547 | return false; | |
548 | ||
c8810e87 | 549 | while (fgets(line, sizeof(line), f) && disk_count < sizeof(disks) / sizeof(disks[0])) { |
a1bd0636 T |
550 | if (line[0] == '#') |
551 | continue; | |
552 | char *carrige_return = strchr(line, '\r'); | |
553 | if (carrige_return) | |
554 | *carrige_return = '\0'; | |
555 | char *newline = strchr(line, '\n'); | |
556 | if (newline) | |
557 | *newline = '\0'; | |
558 | ||
559 | if (line[0] != '\0') | |
560 | { | |
561 | snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line); | |
c8810e87 | 562 | disks[disk_count++].fname = strdup(name); |
a1bd0636 T |
563 | } |
564 | } | |
565 | ||
566 | fclose(f); | |
c8810e87 | 567 | return (disk_count != 0); |
a1bd0636 T |
568 | } |
569 | ||
570 | static void extract_directory(char *buf, const char *path, size_t size) | |
571 | { | |
572 | char *base; | |
573 | strncpy(buf, path, size - 1); | |
574 | buf[size - 1] = '\0'; | |
575 | ||
576 | base = strrchr(buf, '/'); | |
577 | if (!base) | |
578 | base = strrchr(buf, '\\'); | |
579 | ||
580 | if (base) | |
581 | *base = '\0'; | |
582 | else | |
583 | { | |
584 | buf[0] = '.'; | |
585 | buf[1] = '\0'; | |
586 | } | |
587 | } | |
588 | ||
38c2028e | 589 | bool retro_load_game(const struct retro_game_info *info) |
590 | { | |
23ea11bd | 591 | size_t i; |
a1bd0636 T |
592 | bool is_m3u = (strcasestr(info->path, ".m3u") != NULL); |
593 | ||
46aa5b98 | 594 | #ifdef FRONTEND_SUPPORTS_RGB565 |
c19aba43 | 595 | enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565; |
9f766dbe | 596 | if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) { |
f29fbd53 | 597 | SysPrintf("RGB565 supported, using it\n"); |
c19aba43 | 598 | } |
46aa5b98 | 599 | #endif |
c19aba43 | 600 | |
23ea11bd | 601 | if (info == NULL || info->path == NULL) { |
602 | SysPrintf("info->path required\n"); | |
603 | return false; | |
604 | } | |
605 | ||
38c2028e | 606 | if (plugins_opened) { |
607 | ClosePlugins(); | |
608 | plugins_opened = 0; | |
609 | } | |
610 | ||
23ea11bd | 611 | for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++) { |
612 | if (disks[i].fname != NULL) { | |
613 | free(disks[i].fname); | |
614 | disks[i].fname = NULL; | |
615 | } | |
616 | disks[i].internal_index = 0; | |
617 | } | |
618 | ||
619 | disk_current_index = 0; | |
a1bd0636 T |
620 | extract_directory(base_dir, info->path, sizeof(base_dir)); |
621 | ||
622 | if (is_m3u) { | |
623 | if (!read_m3u(info->path)) { | |
624 | SysPrintf("failed to read m3u file\n"); | |
625 | return false; | |
626 | } | |
c8810e87 T |
627 | } else { |
628 | disk_count = 1; | |
a1bd0636 | 629 | disks[0].fname = strdup(info->path); |
c8810e87 | 630 | } |
23ea11bd | 631 | |
632 | set_cd_image(disks[0].fname); | |
38c2028e | 633 | |
634 | /* have to reload after set_cd_image for correct cdr plugin */ | |
635 | if (LoadPlugins() == -1) { | |
f29fbd53 | 636 | SysPrintf("failed to load plugins\n"); |
38c2028e | 637 | return false; |
638 | } | |
639 | ||
640 | plugins_opened = 1; | |
641 | NetOpened = 0; | |
642 | ||
643 | if (OpenPlugins() == -1) { | |
f29fbd53 | 644 | SysPrintf("failed to open plugins\n"); |
38c2028e | 645 | return false; |
646 | } | |
647 | ||
648 | plugin_call_rearmed_cbs(); | |
649 | ||
650 | Config.PsxAuto = 1; | |
651 | if (CheckCdrom() == -1) { | |
f29fbd53 | 652 | SysPrintf("unsupported/invalid CD image: %s\n", info->path); |
38c2028e | 653 | return false; |
654 | } | |
655 | ||
656 | SysReset(); | |
657 | ||
658 | if (LoadCdrom() == -1) { | |
f29fbd53 | 659 | SysPrintf("could not load CD-ROM!\n"); |
38c2028e | 660 | return false; |
661 | } | |
79f216e3 | 662 | emu_on_new_cd(0); |
38c2028e | 663 | |
23ea11bd | 664 | // multidisk images |
a1bd0636 | 665 | if (!is_m3u) { |
c8810e87 | 666 | disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8; |
a1bd0636 T |
667 | for (i = 1; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++) { |
668 | disks[i].fname = strdup(info->path); | |
669 | disks[i].internal_index = i; | |
670 | } | |
23ea11bd | 671 | } |
672 | ||
38c2028e | 673 | return true; |
674 | } | |
675 | ||
676 | bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info) | |
677 | { | |
678 | return false; | |
679 | } | |
680 | ||
681 | void retro_unload_game(void) | |
682 | { | |
683 | } | |
684 | ||
685 | unsigned retro_get_region(void) | |
686 | { | |
17f84149 | 687 | return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC; |
38c2028e | 688 | } |
689 | ||
690 | void *retro_get_memory_data(unsigned id) | |
691 | { | |
65ede37b T |
692 | if (id == RETRO_MEMORY_SAVE_RAM) |
693 | return Mcd1Data; | |
694 | else | |
695 | return NULL; | |
38c2028e | 696 | } |
697 | ||
698 | size_t retro_get_memory_size(unsigned id) | |
699 | { | |
65ede37b T |
700 | if (id == RETRO_MEMORY_SAVE_RAM) |
701 | return MCD_SIZE; | |
702 | else | |
703 | return 0; | |
38c2028e | 704 | } |
705 | ||
706 | void retro_reset(void) | |
707 | { | |
708 | SysReset(); | |
709 | } | |
710 | ||
711 | static const unsigned short retro_psx_map[] = { | |
712 | [RETRO_DEVICE_ID_JOYPAD_B] = 1 << DKEY_CROSS, | |
713 | [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << DKEY_SQUARE, | |
714 | [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT, | |
715 | [RETRO_DEVICE_ID_JOYPAD_START] = 1 << DKEY_START, | |
716 | [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << DKEY_UP, | |
717 | [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << DKEY_DOWN, | |
718 | [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << DKEY_LEFT, | |
719 | [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << DKEY_RIGHT, | |
720 | [RETRO_DEVICE_ID_JOYPAD_A] = 1 << DKEY_CIRCLE, | |
721 | [RETRO_DEVICE_ID_JOYPAD_X] = 1 << DKEY_TRIANGLE, | |
722 | [RETRO_DEVICE_ID_JOYPAD_L] = 1 << DKEY_L1, | |
723 | [RETRO_DEVICE_ID_JOYPAD_R] = 1 << DKEY_R1, | |
724 | [RETRO_DEVICE_ID_JOYPAD_L2] = 1 << DKEY_L2, | |
725 | [RETRO_DEVICE_ID_JOYPAD_R2] = 1 << DKEY_R2, | |
726 | [RETRO_DEVICE_ID_JOYPAD_L3] = 1 << DKEY_L3, | |
727 | [RETRO_DEVICE_ID_JOYPAD_R3] = 1 << DKEY_R3, | |
728 | }; | |
729 | #define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0])) | |
730 | ||
6b5beb44 | 731 | static void update_variables(void) |
732 | { | |
6b5beb44 | 733 | struct retro_variable var; |
a8f3f1d2 | 734 | |
6b5beb44 | 735 | var.value = NULL; |
a8f3f1d2 | 736 | var.key = "frameskip"; |
6b5beb44 | 737 | |
a8f3f1d2 | 738 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value) |
739 | pl_rearmed_cbs.frameskip = atoi(var.value); | |
2c67e0e8 | 740 | |
741 | var.value = NULL; | |
742 | var.key = "region"; | |
743 | ||
744 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value) | |
745 | { | |
746 | Config.PsxAuto = 0; | |
747 | if (strcmp(var.value, "Automatic") == 0) | |
748 | Config.PsxAuto = 1; | |
749 | else if (strcmp(var.value, "NTSC") == 0) | |
750 | Config.PsxType = 0; | |
751 | else if (strcmp(var.value, "PAL") == 0) | |
752 | Config.PsxType = 1; | |
753 | } | |
a8f3f1d2 | 754 | #ifdef __ARM_NEON__ |
2c67e0e8 | 755 | var.value = "NULL"; |
756 | var.key = "neon_interlace_enable"; | |
757 | ||
758 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value) | |
759 | { | |
760 | if (strcmp(var.value, "disabled") == 0) | |
761 | pl_rearmed_cbs.gpu_neon.allow_interlace = 0; | |
762 | else if (strcmp(var.value, "enabled") == 0) | |
763 | pl_rearmed_cbs.gpu_neon.allow_interlace = 1; | |
764 | } | |
765 | ||
6790d7fd | 766 | #if 0 |
a8f3f1d2 | 767 | var.value = NULL; |
768 | var.key = "neon_enhancement_enable"; | |
769 | ||
770 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value) | |
771 | { | |
772 | if (strcmp(var.value, "disabled") == 0) | |
773 | pl_rearmed_cbs.gpu_neon.enhancement_enable = 0; | |
774 | else if (strcmp(var.value, "enabled") == 0) | |
775 | pl_rearmed_cbs.gpu_neon.enhancement_enable = 1; | |
776 | } | |
6b5beb44 | 777 | #endif |
6790d7fd | 778 | #endif |
6b5beb44 | 779 | } |
780 | ||
38c2028e | 781 | void retro_run(void) |
782 | { | |
783 | int i; | |
784 | ||
785 | input_poll_cb(); | |
6b5beb44 | 786 | |
787 | bool updated = false; | |
788 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated) | |
789 | update_variables(); | |
790 | ||
38c2028e | 791 | in_keystate = 0; |
792 | for (i = 0; i < RETRO_PSX_MAP_LEN; i++) | |
793 | if (input_state_cb(1, RETRO_DEVICE_JOYPAD, 0, i)) | |
794 | in_keystate |= retro_psx_map[i]; | |
795 | in_keystate <<= 16; | |
796 | for (i = 0; i < RETRO_PSX_MAP_LEN; i++) | |
797 | if (input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, i)) | |
798 | in_keystate |= retro_psx_map[i]; | |
799 | ||
800 | stop = 0; | |
801 | psxCpu->Execute(); | |
802 | ||
17f84149 | 803 | samples_to_send += is_pal_mode ? 44100 / 50 : 44100 / 60; |
e2bdb933 | 804 | |
1a6164a1 | 805 | video_cb((vout_fb_dirty || !vout_can_dupe) ? vout_buf : NULL, |
806 | vout_width, vout_height, vout_width * 2); | |
70d56ca3 | 807 | vout_fb_dirty = 0; |
38c2028e | 808 | } |
809 | ||
810 | void retro_init(void) | |
811 | { | |
812 | const char *bios[] = { "scph1001", "scph5501", "scph7001" }; | |
813 | const char *dir; | |
814 | char path[256]; | |
815 | FILE *f = NULL; | |
816 | int i, ret, level; | |
817 | ||
818 | ret = emu_core_preinit(); | |
819 | ret |= emu_core_init(); | |
820 | if (ret != 0) { | |
f29fbd53 | 821 | SysPrintf("PCSX init failed.\n"); |
38c2028e | 822 | exit(1); |
823 | } | |
824 | ||
825 | vout_buf = malloc(640 * 512 * 2); | |
826 | ||
827 | if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir) | |
828 | { | |
829 | snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s/", dir); | |
830 | ||
831 | for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++) { | |
832 | snprintf(path, sizeof(path), "%s/%s.bin", dir, bios[i]); | |
833 | f = fopen(path, "r"); | |
834 | if (f != NULL) { | |
835 | snprintf(Config.Bios, sizeof(Config.Bios), "%s.bin", bios[i]); | |
836 | break; | |
837 | } | |
838 | } | |
839 | } | |
840 | if (f != NULL) { | |
f29fbd53 | 841 | SysPrintf("found BIOS file: %s\n", Config.Bios); |
38c2028e | 842 | fclose(f); |
843 | } | |
844 | else | |
c8a9b436 | 845 | { |
f29fbd53 | 846 | SysPrintf("no BIOS files found.\n"); |
0133074b | 847 | struct retro_message msg = |
848 | { | |
849 | "no BIOS found, expect bugs!", | |
850 | 180 | |
851 | }; | |
852 | environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, (void*)&msg); | |
c8a9b436 | 853 | } |
38c2028e | 854 | |
855 | level = 1; | |
856 | environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level); | |
f9f60dae | 857 | |
1a6164a1 | 858 | environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe); |
23ea11bd | 859 | environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control); |
1a6164a1 | 860 | |
5ca2ec64 | 861 | /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times) |
862 | * we have to do this because cache misses and some IO penalties | |
863 | * are not emulated. Warning: changing this may break compatibility. */ | |
864 | #ifdef __ARM_ARCH_7A__ | |
865 | cycle_multiplier = 175; | |
866 | #else | |
867 | cycle_multiplier = 200; | |
868 | #endif | |
869 | ||
f9f60dae TK |
870 | McdDisable[0] = 0; |
871 | McdDisable[1] = 1; | |
7df396ea | 872 | init_memcard(Mcd1Data); |
6e921e1d | 873 | |
874 | SaveFuncs.open = save_open; | |
875 | SaveFuncs.read = save_read; | |
876 | SaveFuncs.write = save_write; | |
877 | SaveFuncs.seek = save_seek; | |
878 | SaveFuncs.close = save_close; | |
6b5beb44 | 879 | |
880 | update_variables(); | |
38c2028e | 881 | } |
882 | ||
883 | void retro_deinit(void) | |
884 | { | |
885 | SysClose(); | |
886 | free(vout_buf); | |
887 | vout_buf = NULL; | |
888 | } |