2446536b |
1 | /* |
2 | * libretro core glue for PicoDrive |
3 | * (C) notaz, 2013 |
4 | * |
5 | * This work is licensed under the terms of MAME license. |
6 | * See COPYING file in the top-level directory. |
7 | */ |
8 | |
9 | #define _GNU_SOURCE 1 // mremap |
10 | #include <stdio.h> |
11 | #include <stdarg.h> |
12 | #include <string.h> |
13 | #include <sys/mman.h> |
c25d78ee |
14 | #include <errno.h> |
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15 | #ifdef __MACH__ |
16 | #include <libkern/OSCacheControl.h> |
17 | #endif |
18 | |
19 | #include <pico/pico_int.h> |
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20 | #include <pico/state.h> |
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21 | #include "common/input_pico.h" |
22 | #include "common/version.h" |
23 | #include "libretro.h" |
24 | |
8c8b7284 |
25 | #ifndef MAP_ANONYMOUS |
26 | #define MAP_ANONYMOUS MAP_ANON |
27 | #endif |
28 | |
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29 | static retro_video_refresh_t video_cb; |
30 | static retro_input_poll_t input_poll_cb; |
31 | static retro_input_state_t input_state_cb; |
32 | static retro_environment_t environ_cb; |
33 | static retro_audio_sample_batch_t audio_batch_cb; |
34 | |
35 | static FILE *emu_log; |
36 | |
37 | #define VOUT_MAX_WIDTH 320 |
38 | #define VOUT_MAX_HEIGHT 240 |
39 | static void *vout_buf; |
40 | static int vout_width, vout_height; |
41 | |
42 | static short __attribute__((aligned(4))) sndBuffer[2*44100/50]; |
43 | |
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44 | static void snd_write(int len); |
45 | |
46 | #ifdef _WIN32 |
47 | #define SLASH '\\' |
48 | #else |
49 | #define SLASH '/' |
50 | #endif |
51 | |
52 | /* functions called by the core */ |
53 | |
54 | void cache_flush_d_inval_i(void *start, void *end) |
55 | { |
56 | #ifdef __arm__ |
57 | #if defined(__BLACKBERRY_QNX__) |
58 | msync(start, end - start, MS_SYNC | MS_CACHE_ONLY | MS_INVALIDATE_ICACHE); |
59 | #elif defined(__MACH__) |
60 | size_t len = (char *)end - (char *)start; |
61 | sys_dcache_flush(start, len); |
62 | sys_icache_invalidate(start, len); |
63 | #else |
64 | __clear_cache(start, end); |
65 | #endif |
66 | #endif |
67 | } |
68 | |
69 | void *plat_mmap(unsigned long addr, size_t size, int need_exec, int is_fixed) |
70 | { |
71 | int flags = MAP_PRIVATE | MAP_ANONYMOUS; |
72 | void *req, *ret; |
73 | |
74 | req = (void *)addr; |
75 | ret = mmap(req, size, PROT_READ | PROT_WRITE, flags, -1, 0); |
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76 | if (ret == MAP_FAILED) { |
77 | lprintf("mmap(%08lx, %zd) failed: %d\n", addr, size, errno); |
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78 | return NULL; |
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79 | } |
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80 | |
81 | if (addr != 0 && ret != (void *)addr) { |
82 | lprintf("warning: wanted to map @%08lx, got %p\n", |
83 | addr, ret); |
84 | |
85 | if (is_fixed) { |
86 | munmap(ret, size); |
87 | return NULL; |
88 | } |
89 | } |
90 | |
91 | return ret; |
92 | } |
93 | |
94 | void *plat_mremap(void *ptr, size_t oldsize, size_t newsize) |
95 | { |
8c8b7284 |
96 | #ifdef __linux__ |
2446536b |
97 | void *ret = mremap(ptr, oldsize, newsize, 0); |
98 | if (ret == MAP_FAILED) |
99 | return NULL; |
100 | |
101 | return ret; |
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102 | #else |
103 | void *tmp, *ret; |
104 | size_t preserve_size; |
105 | |
106 | preserve_size = oldsize; |
107 | if (preserve_size > newsize) |
108 | preserve_size = newsize; |
109 | tmp = malloc(preserve_size); |
110 | if (tmp == NULL) |
111 | return NULL; |
112 | memcpy(tmp, ptr, preserve_size); |
113 | |
114 | munmap(ptr, oldsize); |
115 | ret = mmap(ptr, newsize, PROT_READ | PROT_WRITE, |
116 | MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
117 | if (ret == MAP_FAILED) { |
118 | free(tmp); |
119 | return NULL; |
120 | } |
121 | memcpy(ret, tmp, preserve_size); |
122 | free(tmp); |
123 | return ret; |
124 | #endif |
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125 | } |
126 | |
127 | void plat_munmap(void *ptr, size_t size) |
128 | { |
129 | if (ptr != NULL) |
130 | munmap(ptr, size); |
131 | } |
132 | |
c25d78ee |
133 | int plat_mem_set_exec(void *ptr, size_t size) |
134 | { |
135 | int ret = mprotect(ptr, size, PROT_READ | PROT_WRITE | PROT_EXEC); |
136 | if (ret != 0) |
137 | lprintf("mprotect(%p, %zd) failed: %d\n", ptr, size, errno); |
138 | |
139 | return ret; |
140 | } |
141 | |
2446536b |
142 | void emu_video_mode_change(int start_line, int line_count, int is_32cols) |
143 | { |
144 | memset(vout_buf, 0, 320 * 240 * 2); |
145 | vout_width = is_32cols ? 256 : 320; |
146 | PicoDrawSetOutBuf(vout_buf, vout_width * 2); |
147 | } |
148 | |
149 | void emu_32x_startup(void) |
150 | { |
2446536b |
151 | } |
152 | |
153 | #ifndef ANDROID |
154 | |
155 | void lprintf(const char *fmt, ...) |
156 | { |
157 | va_list list; |
158 | |
159 | va_start(list, fmt); |
160 | fprintf(emu_log, "PicoDrive: "); |
161 | vfprintf(emu_log, fmt, list); |
162 | va_end(list); |
163 | fflush(emu_log); |
164 | } |
165 | |
166 | #else |
167 | |
168 | #include <android/log.h> |
169 | |
170 | void lprintf(const char *fmt, ...) |
171 | { |
172 | va_list list; |
173 | |
174 | va_start(list, fmt); |
175 | __android_log_vprint(ANDROID_LOG_INFO, "PicoDrive", fmt, list); |
176 | va_end(list); |
177 | } |
178 | |
179 | #endif |
180 | |
181 | /* libretro */ |
182 | void retro_set_environment(retro_environment_t cb) |
183 | { |
184 | static const struct retro_variable vars[] = { |
185 | //{ "region", "Region; Auto|NTSC|PAL" }, |
186 | { NULL, NULL }, |
187 | }; |
188 | |
189 | environ_cb = cb; |
190 | |
191 | cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void *)vars); |
192 | } |
193 | |
194 | void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; } |
195 | void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; } |
196 | void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; } |
197 | void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; } |
198 | void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; } |
199 | |
200 | unsigned retro_api_version(void) |
201 | { |
202 | return RETRO_API_VERSION; |
203 | } |
204 | |
205 | void retro_set_controller_port_device(unsigned port, unsigned device) |
206 | { |
207 | } |
208 | |
209 | void retro_get_system_info(struct retro_system_info *info) |
210 | { |
211 | memset(info, 0, sizeof(*info)); |
212 | info->library_name = "PicoDrive"; |
213 | info->library_version = VERSION; |
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214 | info->valid_extensions = "bin|gen|smd|md|32x|cue|iso|sms"; |
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215 | info->need_fullpath = true; |
216 | } |
217 | |
218 | void retro_get_system_av_info(struct retro_system_av_info *info) |
219 | { |
220 | memset(info, 0, sizeof(*info)); |
221 | info->timing.fps = Pico.m.pal ? 50 : 60; |
222 | info->timing.sample_rate = 44100; |
223 | info->geometry.base_width = 320; |
224 | info->geometry.base_height = 240; |
225 | info->geometry.max_width = VOUT_MAX_WIDTH; |
226 | info->geometry.max_height = VOUT_MAX_HEIGHT; |
227 | info->geometry.aspect_ratio = 4.0 / 3.0; |
228 | } |
229 | |
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230 | /* savestates */ |
231 | struct savestate_state { |
232 | const char *load_buf; |
233 | char *save_buf; |
234 | size_t size; |
235 | size_t pos; |
236 | }; |
237 | |
238 | size_t state_read(void *p, size_t size, size_t nmemb, void *file) |
239 | { |
240 | struct savestate_state *state = file; |
241 | size_t bsize = size * nmemb; |
242 | |
243 | if (state->pos + bsize > state->size) { |
244 | lprintf("savestate error: %u/%u\n", |
245 | state->pos + bsize, state->size); |
246 | bsize = state->size - state->pos; |
247 | if ((int)bsize <= 0) |
248 | return 0; |
249 | } |
250 | |
251 | memcpy(p, state->load_buf + state->pos, bsize); |
252 | state->pos += bsize; |
253 | return bsize; |
254 | } |
255 | |
256 | size_t state_write(void *p, size_t size, size_t nmemb, void *file) |
257 | { |
258 | struct savestate_state *state = file; |
259 | size_t bsize = size * nmemb; |
260 | |
261 | if (state->pos + bsize > state->size) { |
262 | lprintf("savestate error: %u/%u\n", |
263 | state->pos + bsize, state->size); |
264 | bsize = state->size - state->pos; |
265 | if ((int)bsize <= 0) |
266 | return 0; |
267 | } |
268 | |
269 | memcpy(state->save_buf + state->pos, p, bsize); |
270 | state->pos += bsize; |
271 | return bsize; |
272 | } |
273 | |
274 | size_t state_skip(void *p, size_t size, size_t nmemb, void *file) |
275 | { |
276 | struct savestate_state *state = file; |
277 | size_t bsize = size * nmemb; |
278 | |
279 | state->pos += bsize; |
280 | return bsize; |
281 | } |
282 | |
283 | size_t state_eof(void *file) |
284 | { |
285 | struct savestate_state *state = file; |
286 | |
287 | return state->pos >= state->size; |
288 | } |
289 | |
290 | int state_fseek(void *file, long offset, int whence) |
291 | { |
292 | struct savestate_state *state = file; |
293 | |
294 | switch (whence) { |
295 | case SEEK_SET: |
296 | state->pos = offset; |
297 | break; |
298 | case SEEK_CUR: |
299 | state->pos += offset; |
300 | break; |
301 | case SEEK_END: |
302 | state->pos = state->size + offset; |
303 | break; |
304 | } |
305 | return (int)state->pos; |
306 | } |
307 | |
308 | /* savestate sizes vary wildly depending if cd/32x or |
309 | * carthw is active, so run the whole thing to get size */ |
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310 | size_t retro_serialize_size(void) |
311 | { |
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312 | struct savestate_state state = { 0, }; |
313 | int ret; |
314 | |
315 | ret = PicoStateFP(&state, 1, NULL, state_skip, NULL, state_fseek); |
316 | if (ret != 0) |
317 | return 0; |
318 | |
319 | return state.pos; |
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320 | } |
321 | |
322 | bool retro_serialize(void *data, size_t size) |
323 | { |
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324 | struct savestate_state state = { 0, }; |
325 | int ret; |
326 | |
327 | state.save_buf = data; |
328 | state.size = size; |
329 | state.pos = 0; |
330 | |
331 | ret = PicoStateFP(&state, 1, NULL, state_write, |
332 | NULL, state_fseek); |
333 | return ret == 0; |
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334 | } |
335 | |
336 | bool retro_unserialize(const void *data, size_t size) |
337 | { |
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338 | struct savestate_state state = { 0, }; |
339 | int ret; |
340 | |
341 | state.load_buf = data; |
342 | state.size = size; |
343 | state.pos = 0; |
344 | |
345 | ret = PicoStateFP(&state, 0, state_read, NULL, |
346 | state_eof, state_fseek); |
347 | return ret == 0; |
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348 | } |
349 | |
350 | /* cheats - TODO */ |
351 | void retro_cheat_reset(void) |
352 | { |
353 | } |
354 | |
355 | void retro_cheat_set(unsigned index, bool enabled, const char *code) |
356 | { |
357 | } |
358 | |
359 | /* multidisk support */ |
360 | static bool disk_ejected; |
361 | static unsigned int disk_current_index; |
362 | static unsigned int disk_count; |
363 | static struct disks_state { |
364 | char *fname; |
365 | } disks[8]; |
366 | |
367 | static bool disk_set_eject_state(bool ejected) |
368 | { |
369 | // TODO? |
370 | disk_ejected = ejected; |
371 | return true; |
372 | } |
373 | |
374 | static bool disk_get_eject_state(void) |
375 | { |
376 | return disk_ejected; |
377 | } |
378 | |
379 | static unsigned int disk_get_image_index(void) |
380 | { |
381 | return disk_current_index; |
382 | } |
383 | |
384 | static bool disk_set_image_index(unsigned int index) |
385 | { |
386 | cd_img_type cd_type; |
387 | int ret; |
388 | |
389 | if (index >= sizeof(disks) / sizeof(disks[0])) |
390 | return false; |
391 | |
392 | if (disks[index].fname == NULL) { |
393 | lprintf("missing disk #%u\n", index); |
394 | |
395 | // RetroArch specifies "no disk" with index == count, |
396 | // so don't fail here.. |
397 | disk_current_index = index; |
398 | return true; |
399 | } |
400 | |
401 | lprintf("switching to disk %u: \"%s\"\n", index, |
402 | disks[index].fname); |
403 | |
404 | ret = -1; |
405 | cd_type = PicoCdCheck(disks[index].fname, NULL); |
406 | if (cd_type != CIT_NOT_CD) |
407 | ret = Insert_CD(disks[index].fname, cd_type); |
408 | if (ret != 0) { |
409 | lprintf("Load failed, invalid CD image?\n"); |
410 | return 0; |
411 | } |
412 | |
413 | disk_current_index = index; |
414 | return true; |
415 | } |
416 | |
417 | static unsigned int disk_get_num_images(void) |
418 | { |
419 | return disk_count; |
420 | } |
421 | |
422 | static bool disk_replace_image_index(unsigned index, |
423 | const struct retro_game_info *info) |
424 | { |
425 | bool ret = true; |
426 | |
427 | if (index >= sizeof(disks) / sizeof(disks[0])) |
428 | return false; |
429 | |
430 | if (disks[index].fname != NULL) |
431 | free(disks[index].fname); |
432 | disks[index].fname = NULL; |
433 | |
434 | if (info != NULL) { |
435 | disks[index].fname = strdup(info->path); |
436 | if (index == disk_current_index) |
437 | ret = disk_set_image_index(index); |
438 | } |
439 | |
440 | return ret; |
441 | } |
442 | |
443 | static bool disk_add_image_index(void) |
444 | { |
445 | if (disk_count >= sizeof(disks) / sizeof(disks[0])) |
446 | return false; |
447 | |
448 | disk_count++; |
449 | return true; |
450 | } |
451 | |
452 | static struct retro_disk_control_callback disk_control = { |
453 | .set_eject_state = disk_set_eject_state, |
454 | .get_eject_state = disk_get_eject_state, |
455 | .get_image_index = disk_get_image_index, |
456 | .set_image_index = disk_set_image_index, |
457 | .get_num_images = disk_get_num_images, |
458 | .replace_image_index = disk_replace_image_index, |
459 | .add_image_index = disk_add_image_index, |
460 | }; |
461 | |
462 | static void disk_tray_open(void) |
463 | { |
464 | lprintf("cd tray open\n"); |
465 | disk_ejected = 1; |
466 | } |
467 | |
468 | static void disk_tray_close(void) |
469 | { |
470 | lprintf("cd tray close\n"); |
471 | disk_ejected = 0; |
472 | } |
473 | |
474 | |
475 | static const char * const biosfiles_us[] = { |
476 | "us_scd1_9210", "us_scd2_9306", "SegaCDBIOS9303", "bios_CD_U" |
477 | }; |
478 | static const char * const biosfiles_eu[] = { |
479 | "eu_mcd1_9210", "eu_mcd2_9306", "eu_mcd2_9303", "bios_CD_E" |
480 | }; |
481 | static const char * const biosfiles_jp[] = { |
482 | "jp_mcd1_9112", "jp_mcd1_9111", "bios_CD_J" |
483 | }; |
484 | |
485 | static void make_system_path(char *buf, size_t buf_size, |
486 | const char *name, const char *ext) |
487 | { |
488 | const char *dir = NULL; |
489 | |
490 | if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir) { |
491 | snprintf(buf, buf_size, "%s%c%s%s", dir, SLASH, name, ext); |
492 | } |
493 | else { |
494 | snprintf(buf, buf_size, "%s%s", name, ext); |
495 | } |
496 | } |
497 | |
498 | static const char *find_bios(int *region, const char *cd_fname) |
499 | { |
500 | const char * const *files; |
501 | static char path[256]; |
502 | int i, count; |
503 | FILE *f = NULL; |
504 | |
505 | if (*region == 4) { // US |
506 | files = biosfiles_us; |
507 | count = sizeof(biosfiles_us) / sizeof(char *); |
508 | } else if (*region == 8) { // EU |
509 | files = biosfiles_eu; |
510 | count = sizeof(biosfiles_eu) / sizeof(char *); |
511 | } else if (*region == 1 || *region == 2) { |
512 | files = biosfiles_jp; |
513 | count = sizeof(biosfiles_jp) / sizeof(char *); |
514 | } else { |
515 | return NULL; |
516 | } |
517 | |
518 | for (i = 0; i < count; i++) |
519 | { |
520 | make_system_path(path, sizeof(path), files[i], ".bin"); |
521 | f = fopen(path, "rb"); |
522 | if (f != NULL) |
523 | break; |
524 | |
525 | make_system_path(path, sizeof(path), files[i], ".zip"); |
526 | f = fopen(path, "rb"); |
527 | if (f != NULL) |
528 | break; |
529 | } |
530 | |
531 | if (f != NULL) { |
532 | lprintf("using bios: %s\n", path); |
533 | fclose(f); |
534 | return path; |
535 | } |
536 | |
537 | return NULL; |
538 | } |
539 | |
540 | bool retro_load_game(const struct retro_game_info *info) |
541 | { |
542 | enum media_type_e media_type; |
543 | static char carthw_path[256]; |
544 | size_t i; |
545 | |
546 | enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565; |
547 | if (!environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) { |
548 | lprintf("RGB565 suppot required, sorry\n"); |
549 | return false; |
550 | } |
551 | |
552 | if (info == NULL || info->path == NULL) { |
553 | lprintf("info->path required\n"); |
554 | return false; |
555 | } |
556 | |
557 | for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++) { |
558 | if (disks[i].fname != NULL) { |
559 | free(disks[i].fname); |
560 | disks[i].fname = NULL; |
561 | } |
562 | } |
563 | |
564 | disk_current_index = 0; |
565 | disk_count = 1; |
566 | disks[0].fname = strdup(info->path); |
567 | |
568 | make_system_path(carthw_path, sizeof(carthw_path), "carthw", ".cfg"); |
569 | |
570 | media_type = PicoLoadMedia(info->path, carthw_path, |
571 | find_bios, NULL); |
572 | |
573 | switch (media_type) { |
574 | case PM_BAD_DETECT: |
575 | lprintf("Failed to detect ROM/CD image type.\n"); |
576 | return false; |
577 | case PM_BAD_CD: |
578 | lprintf("Invalid CD image\n"); |
579 | return false; |
580 | case PM_BAD_CD_NO_BIOS: |
581 | lprintf("Missing BIOS\n"); |
582 | return false; |
583 | case PM_ERROR: |
584 | lprintf("Load error\n"); |
585 | return false; |
586 | default: |
587 | break; |
588 | } |
589 | |
590 | PicoLoopPrepare(); |
591 | |
592 | PicoWriteSound = snd_write; |
593 | memset(sndBuffer, 0, sizeof(sndBuffer)); |
594 | PsndOut = sndBuffer; |
595 | PsndRerate(1); |
596 | |
597 | return true; |
598 | } |
599 | |
600 | bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info) |
601 | { |
602 | return false; |
603 | } |
604 | |
605 | void retro_unload_game(void) |
606 | { |
607 | } |
608 | |
609 | unsigned retro_get_region(void) |
610 | { |
611 | return Pico.m.pal ? RETRO_REGION_PAL : RETRO_REGION_NTSC; |
612 | } |
613 | |
614 | void *retro_get_memory_data(unsigned id) |
615 | { |
616 | if (id != RETRO_MEMORY_SAVE_RAM) |
617 | return NULL; |
618 | |
619 | if (PicoAHW & PAHW_MCD) |
620 | return Pico_mcd->bram; |
621 | else |
622 | return SRam.data; |
623 | } |
624 | |
625 | size_t retro_get_memory_size(unsigned id) |
626 | { |
627 | if (id != RETRO_MEMORY_SAVE_RAM) |
628 | return 0; |
629 | |
630 | if (PicoAHW & PAHW_MCD) |
631 | // bram |
632 | return 0x2000; |
633 | else |
634 | return SRam.size; |
635 | } |
636 | |
637 | void retro_reset(void) |
638 | { |
639 | PicoReset(); |
640 | } |
641 | |
642 | static const unsigned short retro_pico_map[] = { |
643 | [RETRO_DEVICE_ID_JOYPAD_B] = 1 << GBTN_B, |
644 | [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << GBTN_A, |
645 | [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << GBTN_MODE, |
646 | [RETRO_DEVICE_ID_JOYPAD_START] = 1 << GBTN_START, |
647 | [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << GBTN_UP, |
648 | [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << GBTN_DOWN, |
649 | [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << GBTN_LEFT, |
650 | [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << GBTN_RIGHT, |
651 | [RETRO_DEVICE_ID_JOYPAD_A] = 1 << GBTN_C, |
652 | [RETRO_DEVICE_ID_JOYPAD_X] = 1 << GBTN_Y, |
653 | [RETRO_DEVICE_ID_JOYPAD_L] = 1 << GBTN_X, |
654 | [RETRO_DEVICE_ID_JOYPAD_R] = 1 << GBTN_Z, |
655 | }; |
656 | #define RETRO_PICO_MAP_LEN (sizeof(retro_pico_map) / sizeof(retro_pico_map[0])) |
657 | |
658 | static void snd_write(int len) |
659 | { |
660 | audio_batch_cb(PsndOut, len / 4); |
661 | } |
662 | |
663 | void retro_run(void) |
664 | { |
665 | bool updated = false; |
666 | int pad, i; |
667 | |
668 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated) |
669 | ; //update_variables(true); |
670 | |
671 | input_poll_cb(); |
672 | |
673 | PicoPad[0] = PicoPad[1] = 0; |
674 | for (pad = 0; pad < 2; pad++) |
675 | for (i = 0; i < RETRO_PICO_MAP_LEN; i++) |
676 | if (input_state_cb(pad, RETRO_DEVICE_JOYPAD, 0, i)) |
677 | PicoPad[pad] |= retro_pico_map[i]; |
678 | |
679 | PicoFrame(); |
680 | |
681 | video_cb(vout_buf, vout_width, vout_height, vout_width * 2); |
682 | } |
683 | |
684 | void retro_init(void) |
685 | { |
686 | int level; |
687 | |
688 | #ifdef IOS |
689 | emu_log = fopen("/User/Documents/PicoDrive.log", "w"); |
690 | if (emu_log == NULL) |
691 | emu_log = fopen("PicoDrive.log", "w"); |
692 | if (emu_log == NULL) |
693 | #endif |
694 | emu_log = stdout; |
695 | |
696 | level = 0; |
697 | environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level); |
698 | |
699 | environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control); |
700 | |
701 | PicoOpt = POPT_EN_STEREO|POPT_EN_FM|POPT_EN_PSG|POPT_EN_Z80 |
720bfc5d |
702 | | POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_MCD_GFX |
703 | | POPT_EN_32X|POPT_EN_PWM |
704 | | POPT_ACC_SPRITES|POPT_DIS_32C_BORDER; |
705 | #ifdef __arm__ |
706 | PicoOpt |= POPT_EN_SVP_DRC; |
707 | #endif |
2446536b |
708 | PsndRate = 44100; |
709 | PicoAutoRgnOrder = 0x184; // US, EU, JP |
710 | PicoCDBuffers = 0; |
711 | |
2446536b |
712 | vout_width = 320; |
713 | vout_height = 240; |
714 | vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2); |
715 | |
716 | PicoInit(); |
41946d70 |
717 | PicoDrawSetOutFormat(PDF_RGB555, 0); |
2446536b |
718 | PicoDrawSetOutBuf(vout_buf, vout_width * 2); |
719 | |
720 | //PicoMessage = plat_status_msg_busy_next; |
721 | PicoMCDopenTray = disk_tray_open; |
722 | PicoMCDcloseTray = disk_tray_close; |
723 | } |
724 | |
725 | void retro_deinit(void) |
726 | { |
727 | PicoExit(); |
728 | } |