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drc: implement block addr list saving
[pcsx_rearmed.git] / frontend / libretro.c
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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#define _GNU_SOURCE 1 // strcasestr
9#include <stdio.h>
10#include <stdlib.h>
11#include <string.h>
12#include <strings.h>
13
14#include "../libpcsxcore/misc.h"
15#include "../libpcsxcore/psxcounters.h"
16#include "../libpcsxcore/psxmem_map.h"
17#include "../libpcsxcore/new_dynarec/new_dynarec.h"
18#include "../libpcsxcore/cdrom.h"
19#include "../libpcsxcore/cdriso.h"
20#include "../libpcsxcore/cheat.h"
21#include "../plugins/dfsound/out.h"
22#include "../plugins/dfsound/spu_config.h"
23#include "../plugins/dfinput/externals.h"
24#include "cspace.h"
25#include "main.h"
26#include "plugin.h"
27#include "plugin_lib.h"
28#include "revision.h"
29#include "libretro.h"
30
31static retro_video_refresh_t video_cb;
32static retro_input_poll_t input_poll_cb;
33static retro_input_state_t input_state_cb;
34static retro_environment_t environ_cb;
35static retro_audio_sample_batch_t audio_batch_cb;
36static struct retro_rumble_interface rumble;
37
38static void *vout_buf;
39static int vout_width, vout_height;
40static int vout_doffs_old, vout_fb_dirty;
41static bool vout_can_dupe;
42static bool duping_enable;
43
44static int plugins_opened;
45static int is_pal_mode;
46
47/* memory card data */
48extern char Mcd1Data[MCD_SIZE];
49extern char McdDisable[2];
50
51/* PCSX ReARMed core calls and stuff */
52int in_type1, in_type2;
53int in_a1[2] = { 127, 127 }, in_a2[2] = { 127, 127 };
54int in_keystate;
55int in_enable_vibration = 1;
56
57/* PSX max resolution is 640x512, but with enhancement it's 1024x512 */
58#define VOUT_MAX_WIDTH 1024
59#define VOUT_MAX_HEIGHT 512
60
61static void init_memcard(char *mcd_data)
62{
63 unsigned off = 0;
64 unsigned i;
65
66 memset(mcd_data, 0, MCD_SIZE);
67
68 mcd_data[off++] = 'M';
69 mcd_data[off++] = 'C';
70 off += 0x7d;
71 mcd_data[off++] = 0x0e;
72
73 for (i = 0; i < 15; i++) {
74 mcd_data[off++] = 0xa0;
75 off += 0x07;
76 mcd_data[off++] = 0xff;
77 mcd_data[off++] = 0xff;
78 off += 0x75;
79 mcd_data[off++] = 0xa0;
80 }
81
82 for (i = 0; i < 20; i++) {
83 mcd_data[off++] = 0xff;
84 mcd_data[off++] = 0xff;
85 mcd_data[off++] = 0xff;
86 mcd_data[off++] = 0xff;
87 off += 0x04;
88 mcd_data[off++] = 0xff;
89 mcd_data[off++] = 0xff;
90 off += 0x76;
91 }
92}
93
94static int vout_open(void)
95{
96 return 0;
97}
98
99static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
100{
101 vout_width = w;
102 vout_height = h;
103}
104
105#ifndef FRONTEND_SUPPORTS_RGB565
106static void convert(void *buf, size_t bytes)
107{
108 unsigned int i, v, *p = buf;
109
110 for (i = 0; i < bytes / 4; i++) {
111 v = p[i];
112 p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0);
113 }
114}
115#endif
116
117static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
118{
119 unsigned short *dest = vout_buf;
120 const unsigned short *src = vram;
121 int dstride = vout_width, h1 = h;
122 int doffs;
123
124 if (vram == NULL) {
125 // blanking
126 memset(vout_buf, 0, dstride * h * 2);
127 goto out;
128 }
129
130 doffs = (vout_height - h) * dstride;
131 doffs += (dstride - w) / 2 & ~1;
132 if (doffs != vout_doffs_old) {
133 // clear borders
134 memset(vout_buf, 0, dstride * h * 2);
135 vout_doffs_old = doffs;
136 }
137 dest += doffs;
138
139 if (bgr24)
140 {
141 // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here?
142 for (; h1-- > 0; dest += dstride, src += stride)
143 {
144 bgr888_to_rgb565(dest, src, w * 3);
145 }
146 }
147 else
148 {
149 for (; h1-- > 0; dest += dstride, src += stride)
150 {
151 bgr555_to_rgb565(dest, src, w * 2);
152 }
153 }
154
155out:
156#ifndef FRONTEND_SUPPORTS_RGB565
157 convert(vout_buf, vout_width * vout_height * 2);
158#endif
159 vout_fb_dirty = 1;
160 pl_rearmed_cbs.flip_cnt++;
161}
162
163static void vout_close(void)
164{
165}
166
167static void *pl_mmap(unsigned int size)
168{
169 return psxMap(0, size, 0, MAP_TAG_VRAM);
170}
171
172static void pl_munmap(void *ptr, unsigned int size)
173{
174 psxUnmap(ptr, size, MAP_TAG_VRAM);
175}
176
177struct rearmed_cbs pl_rearmed_cbs = {
178 .pl_vout_open = vout_open,
179 .pl_vout_set_mode = vout_set_mode,
180 .pl_vout_flip = vout_flip,
181 .pl_vout_close = vout_close,
182 .mmap = pl_mmap,
183 .munmap = pl_munmap,
184 /* from psxcounters */
185 .gpu_hcnt = &hSyncCount,
186 .gpu_frame_count = &frame_counter,
187};
188
189void pl_frame_limit(void)
190{
191 /* called once per frame, make psxCpu->Execute() above return */
192 stop = 1;
193}
194
195void pl_timing_prepare(int is_pal)
196{
197 is_pal_mode = is_pal;
198}
199
200void plat_trigger_vibrate(int pad, int low, int high)
201{
202 rumble.set_rumble_state(pad, RETRO_RUMBLE_STRONG, high << 8);
203 rumble.set_rumble_state(pad, RETRO_RUMBLE_WEAK, low ? 0xffff : 0x0);
204}
205
206void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in)
207{
208}
209
210/* sound calls */
211static int snd_init(void)
212{
213 return 0;
214}
215
216static void snd_finish(void)
217{
218}
219
220static int snd_busy(void)
221{
222 return 0;
223}
224
225static void snd_feed(void *buf, int bytes)
226{
227 if (audio_batch_cb != NULL)
228 audio_batch_cb(buf, bytes / 4);
229}
230
231void out_register_libretro(struct out_driver *drv)
232{
233 drv->name = "libretro";
234 drv->init = snd_init;
235 drv->finish = snd_finish;
236 drv->busy = snd_busy;
237 drv->feed = snd_feed;
238}
239
240/* libretro */
241void retro_set_environment(retro_environment_t cb)
242{
243 static const struct retro_variable vars[] = {
244 { "pcsx_rearmed_frameskip", "Frameskip; 0|1|2|3" },
245 { "pcsx_rearmed_region", "Region; Auto|NTSC|PAL" },
246 { "pcsx_rearmed_pad1type", "Pad 1 Type; standard|analog" },
247 { "pcsx_rearmed_pad2type", "Pad 2 Type; standard|analog" },
248#ifndef DRC_DISABLE
249 { "pcsx_rearmed_drc", "Dynamic recompiler; enabled|disabled" },
250#endif
251#ifdef __ARM_NEON__
252 { "pcsx_rearmed_neon_interlace_enable", "Enable interlacing mode(s); disabled|enabled" },
253 { "pcsx_rearmed_neon_enhancement_enable", "Enhanced resolution (slow); disabled|enabled" },
254 { "pcsx_rearmed_neon_enhancement_no_main", "Enhanced resolution speed hack; disabled|enabled" },
255#endif
256 { "pcsx_rearmed_duping_enable", "Frame duping; on|off" },
257 { "pcsx_rearmed_spu_reverb", "Sound: Reverb; on|off" },
258 { "pcsx_rearmed_spu_interpolation", "Sound: Interpolation; simple|gaussian|cubic|off" },
259 { NULL, NULL },
260 };
261
262 environ_cb = cb;
263
264 cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void*)vars);
265}
266
267void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
268void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
269void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
270void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
271void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
272
273unsigned retro_api_version(void)
274{
275 return RETRO_API_VERSION;
276}
277
278void retro_set_controller_port_device(unsigned port, unsigned device)
279{
280}
281
282void retro_get_system_info(struct retro_system_info *info)
283{
284 memset(info, 0, sizeof(*info));
285 info->library_name = "PCSX-ReARMed";
286 info->library_version = "r19";
287 info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u";
288 info->need_fullpath = true;
289}
290
291void retro_get_system_av_info(struct retro_system_av_info *info)
292{
293 memset(info, 0, sizeof(*info));
294 info->timing.fps = is_pal_mode ? 50 : 60;
295 info->timing.sample_rate = 44100;
296 info->geometry.base_width = 320;
297 info->geometry.base_height = 240;
298 info->geometry.max_width = VOUT_MAX_WIDTH;
299 info->geometry.max_height = VOUT_MAX_HEIGHT;
300 info->geometry.aspect_ratio = 4.0 / 3.0;
301}
302
303/* savestates */
304size_t retro_serialize_size(void)
305{
306 // it's currently 4380651-4397047 bytes,
307 // but have some reserved for future
308 return 0x440000;
309}
310
311struct save_fp {
312 char *buf;
313 size_t pos;
314 int is_write;
315};
316
317static void *save_open(const char *name, const char *mode)
318{
319 struct save_fp *fp;
320
321 if (name == NULL || mode == NULL)
322 return NULL;
323
324 fp = malloc(sizeof(*fp));
325 if (fp == NULL)
326 return NULL;
327
328 fp->buf = (char *)name;
329 fp->pos = 0;
330 fp->is_write = (mode[0] == 'w' || mode[1] == 'w');
331
332 return fp;
333}
334
335static int save_read(void *file, void *buf, u32 len)
336{
337 struct save_fp *fp = file;
338 if (fp == NULL || buf == NULL)
339 return -1;
340
341 memcpy(buf, fp->buf + fp->pos, len);
342 fp->pos += len;
343 return len;
344}
345
346static int save_write(void *file, const void *buf, u32 len)
347{
348 struct save_fp *fp = file;
349 if (fp == NULL || buf == NULL)
350 return -1;
351
352 memcpy(fp->buf + fp->pos, buf, len);
353 fp->pos += len;
354 return len;
355}
356
357static long save_seek(void *file, long offs, int whence)
358{
359 struct save_fp *fp = file;
360 if (fp == NULL)
361 return -1;
362
363 switch (whence) {
364 case SEEK_CUR:
365 fp->pos += offs;
366 return fp->pos;
367 case SEEK_SET:
368 fp->pos = offs;
369 return fp->pos;
370 default:
371 return -1;
372 }
373}
374
375static void save_close(void *file)
376{
377 struct save_fp *fp = file;
378 size_t r_size = retro_serialize_size();
379 if (fp == NULL)
380 return;
381
382 if (fp->pos > r_size)
383 SysPrintf("ERROR: save buffer overflow detected\n");
384 else if (fp->is_write && fp->pos < r_size)
385 // make sure we don't save trash in leftover space
386 memset(fp->buf + fp->pos, 0, r_size - fp->pos);
387 free(fp);
388}
389
390bool retro_serialize(void *data, size_t size)
391{
392 int ret = SaveState(data);
393 return ret == 0 ? true : false;
394}
395
396bool retro_unserialize(const void *data, size_t size)
397{
398 int ret = LoadState(data);
399 return ret == 0 ? true : false;
400}
401
402/* cheats */
403void retro_cheat_reset(void)
404{
405 ClearAllCheats();
406}
407
408void retro_cheat_set(unsigned index, bool enabled, const char *code)
409{
410 char buf[256];
411 int ret;
412
413 // cheat funcs are destructive, need a copy..
414 strncpy(buf, code, sizeof(buf));
415 buf[sizeof(buf) - 1] = 0;
416
417 if (index < NumCheats)
418 ret = EditCheat(index, "", buf);
419 else
420 ret = AddCheat("", buf);
421
422 if (ret != 0)
423 SysPrintf("Failed to set cheat %#u\n", index);
424 else if (index < NumCheats)
425 Cheats[index].Enabled = enabled;
426}
427
428/* multidisk support */
429static bool disk_ejected;
430static unsigned int disk_current_index;
431static unsigned int disk_count;
432static struct disks_state {
433 char *fname;
434 int internal_index; // for multidisk eboots
435} disks[8];
436
437static bool disk_set_eject_state(bool ejected)
438{
439 // weird PCSX API..
440 SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2));
441 LidInterrupt();
442
443 disk_ejected = ejected;
444 return true;
445}
446
447static bool disk_get_eject_state(void)
448{
449 /* can't be controlled by emulated software */
450 return disk_ejected;
451}
452
453static unsigned int disk_get_image_index(void)
454{
455 return disk_current_index;
456}
457
458static bool disk_set_image_index(unsigned int index)
459{
460 if (index >= sizeof(disks) / sizeof(disks[0]))
461 return false;
462
463 CdromId[0] = '\0';
464 CdromLabel[0] = '\0';
465
466 if (disks[index].fname == NULL) {
467 SysPrintf("missing disk #%u\n", index);
468 CDR_shutdown();
469
470 // RetroArch specifies "no disk" with index == count,
471 // so don't fail here..
472 disk_current_index = index;
473 return true;
474 }
475
476 SysPrintf("switching to disk %u: \"%s\" #%d\n", index,
477 disks[index].fname, disks[index].internal_index);
478
479 cdrIsoMultidiskSelect = disks[index].internal_index;
480 set_cd_image(disks[index].fname);
481 if (ReloadCdromPlugin() < 0) {
482 SysPrintf("failed to load cdr plugin\n");
483 return false;
484 }
485 if (CDR_open() < 0) {
486 SysPrintf("failed to open cdr plugin\n");
487 return false;
488 }
489
490 if (!disk_ejected) {
491 SetCdOpenCaseTime(time(NULL) + 2);
492 LidInterrupt();
493 }
494
495 disk_current_index = index;
496 return true;
497}
498
499static unsigned int disk_get_num_images(void)
500{
501 return disk_count;
502}
503
504static bool disk_replace_image_index(unsigned index,
505 const struct retro_game_info *info)
506{
507 char *old_fname;
508 bool ret = true;
509
510 if (index >= sizeof(disks) / sizeof(disks[0]))
511 return false;
512
513 old_fname = disks[index].fname;
514 disks[index].fname = NULL;
515 disks[index].internal_index = 0;
516
517 if (info != NULL) {
518 disks[index].fname = strdup(info->path);
519 if (index == disk_current_index)
520 ret = disk_set_image_index(index);
521 }
522
523 if (old_fname != NULL)
524 free(old_fname);
525
526 return ret;
527}
528
529static bool disk_add_image_index(void)
530{
531 if (disk_count >= 8)
532 return false;
533
534 disk_count++;
535 return true;
536}
537
538static struct retro_disk_control_callback disk_control = {
539 .set_eject_state = disk_set_eject_state,
540 .get_eject_state = disk_get_eject_state,
541 .get_image_index = disk_get_image_index,
542 .set_image_index = disk_set_image_index,
543 .get_num_images = disk_get_num_images,
544 .replace_image_index = disk_replace_image_index,
545 .add_image_index = disk_add_image_index,
546};
547
548// just in case, maybe a win-rt port in the future?
549#ifdef _WIN32
550#define SLASH '\\'
551#else
552#define SLASH '/'
553#endif
554
555static char base_dir[PATH_MAX];
556
557static bool read_m3u(const char *file)
558{
559 char line[PATH_MAX];
560 char name[PATH_MAX];
561 FILE *f = fopen(file, "r");
562 if (!f)
563 return false;
564
565 while (fgets(line, sizeof(line), f) && disk_count < sizeof(disks) / sizeof(disks[0])) {
566 if (line[0] == '#')
567 continue;
568 char *carrige_return = strchr(line, '\r');
569 if (carrige_return)
570 *carrige_return = '\0';
571 char *newline = strchr(line, '\n');
572 if (newline)
573 *newline = '\0';
574
575 if (line[0] != '\0')
576 {
577 snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
578 disks[disk_count++].fname = strdup(name);
579 }
580 }
581
582 fclose(f);
583 return (disk_count != 0);
584}
585
586static void extract_directory(char *buf, const char *path, size_t size)
587{
588 char *base;
589 strncpy(buf, path, size - 1);
590 buf[size - 1] = '\0';
591
592 base = strrchr(buf, '/');
593 if (!base)
594 base = strrchr(buf, '\\');
595
596 if (base)
597 *base = '\0';
598 else
599 {
600 buf[0] = '.';
601 buf[1] = '\0';
602 }
603}
604
605#ifdef __QNX__
606/* Blackberry QNX doesn't have strcasestr */
607
608/*
609 * Find the first occurrence of find in s, ignore case.
610 */
611char *
612strcasestr(const char *s, const char*find)
613{
614 char c, sc;
615 size_t len;
616
617 if ((c = *find++) != 0) {
618 c = tolower((unsigned char)c);
619 len = strlen(find);
620 do {
621 do {
622 if ((sc = *s++) == 0)
623 return (NULL);
624 } while ((char)tolower((unsigned char)sc) != c);
625 } while (strncasecmp(s, find, len) != 0);
626 s--;
627 }
628 return ((char *)s);
629}
630#endif
631
632bool retro_load_game(const struct retro_game_info *info)
633{
634 size_t i;
635 bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
636
637 struct retro_input_descriptor desc[] = {
638 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
639 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
640 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
641 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
642 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
643 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
644 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
645 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
646 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
647 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
648 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
649 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
650 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
651 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
652 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
653 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
654 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
655 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
656 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
657 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
658
659
660 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
661 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
662 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
663 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
664 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
665 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
666 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
667 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
668 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
669 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
670 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
671 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
672 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
673 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
674 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
675 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
676 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
677 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
678 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
679 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
680
681 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
682 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
683 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
684 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
685 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
686 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
687 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
688 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
689 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
690 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
691 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
692 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
693 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
694 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
695 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
696 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
697 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
698 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
699 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
700 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
701
702 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
703 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
704 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
705 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
706 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
707 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
708 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
709 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
710 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
711 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
712 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
713 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
714 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
715 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
716 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
717 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
718 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
719 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
720 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
721 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
722
723 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
724 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
725 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
726 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
727 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
728 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
729 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
730 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
731 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
732 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
733 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
734 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
735 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
736 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
737 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
738 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
739 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
740 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
741 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
742 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
743
744 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
745 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
746 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
747 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
748 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
749 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
750 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
751 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
752 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
753 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
754 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
755 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
756 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
757 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
758 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
759 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
760 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
761 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
762 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
763 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
764
765 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
766 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
767 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
768 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
769 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
770 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
771 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
772 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
773 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
774 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
775 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
776 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
777 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
778 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
779 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
780 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
781 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
782 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
783 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
784 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
785
786 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
787 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
788 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
789 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
790 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
791 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
792 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
793 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
794 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
795 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
796 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
797 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
798 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
799 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
800 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
801 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
802 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
803 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
804 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
805 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
806
807 { 0 },
808 };
809
810 environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
811
812#ifdef FRONTEND_SUPPORTS_RGB565
813 enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
814 if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) {
815 SysPrintf("RGB565 supported, using it\n");
816 }
817#endif
818
819 if (info == NULL || info->path == NULL) {
820 SysPrintf("info->path required\n");
821 return false;
822 }
823
824 if (plugins_opened) {
825 ClosePlugins();
826 plugins_opened = 0;
827 }
828
829 for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++) {
830 if (disks[i].fname != NULL) {
831 free(disks[i].fname);
832 disks[i].fname = NULL;
833 }
834 disks[i].internal_index = 0;
835 }
836
837 disk_current_index = 0;
838 extract_directory(base_dir, info->path, sizeof(base_dir));
839
840 if (is_m3u) {
841 if (!read_m3u(info->path)) {
842 SysPrintf("failed to read m3u file\n");
843 return false;
844 }
845 } else {
846 disk_count = 1;
847 disks[0].fname = strdup(info->path);
848 }
849
850 set_cd_image(disks[0].fname);
851
852 /* have to reload after set_cd_image for correct cdr plugin */
853 if (LoadPlugins() == -1) {
854 SysPrintf("failed to load plugins\n");
855 return false;
856 }
857
858 plugins_opened = 1;
859 NetOpened = 0;
860
861 if (OpenPlugins() == -1) {
862 SysPrintf("failed to open plugins\n");
863 return false;
864 }
865
866 plugin_call_rearmed_cbs();
867 dfinput_activate();
868
869 Config.PsxAuto = 1;
870 if (CheckCdrom() == -1) {
871 SysPrintf("unsupported/invalid CD image: %s\n", info->path);
872 return false;
873 }
874
875 SysReset();
876
877 if (LoadCdrom() == -1) {
878 SysPrintf("could not load CD-ROM!\n");
879 return false;
880 }
881 emu_on_new_cd(0);
882
883 // multidisk images
884 if (!is_m3u) {
885 disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8;
886 for (i = 1; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++) {
887 disks[i].fname = strdup(info->path);
888 disks[i].internal_index = i;
889 }
890 }
891
892 return true;
893}
894
895bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info)
896{
897 return false;
898}
899
900void retro_unload_game(void)
901{
902}
903
904unsigned retro_get_region(void)
905{
906 return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
907}
908
909void *retro_get_memory_data(unsigned id)
910{
911 if (id == RETRO_MEMORY_SAVE_RAM)
912 return Mcd1Data;
913 else
914 return NULL;
915}
916
917size_t retro_get_memory_size(unsigned id)
918{
919 if (id == RETRO_MEMORY_SAVE_RAM)
920 return MCD_SIZE;
921 else
922 return 0;
923}
924
925void retro_reset(void)
926{
927 SysReset();
928}
929
930static const unsigned short retro_psx_map[] = {
931 [RETRO_DEVICE_ID_JOYPAD_B] = 1 << DKEY_CROSS,
932 [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << DKEY_SQUARE,
933 [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT,
934 [RETRO_DEVICE_ID_JOYPAD_START] = 1 << DKEY_START,
935 [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << DKEY_UP,
936 [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << DKEY_DOWN,
937 [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << DKEY_LEFT,
938 [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << DKEY_RIGHT,
939 [RETRO_DEVICE_ID_JOYPAD_A] = 1 << DKEY_CIRCLE,
940 [RETRO_DEVICE_ID_JOYPAD_X] = 1 << DKEY_TRIANGLE,
941 [RETRO_DEVICE_ID_JOYPAD_L] = 1 << DKEY_L1,
942 [RETRO_DEVICE_ID_JOYPAD_R] = 1 << DKEY_R1,
943 [RETRO_DEVICE_ID_JOYPAD_L2] = 1 << DKEY_L2,
944 [RETRO_DEVICE_ID_JOYPAD_R2] = 1 << DKEY_R2,
945 [RETRO_DEVICE_ID_JOYPAD_L3] = 1 << DKEY_L3,
946 [RETRO_DEVICE_ID_JOYPAD_R3] = 1 << DKEY_R3,
947};
948#define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
949
950static void update_variables(bool in_flight)
951{
952 struct retro_variable var;
953
954 var.value = NULL;
955 var.key = "pcsx_rearmed_frameskip";
956
957 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
958 pl_rearmed_cbs.frameskip = atoi(var.value);
959
960 var.value = NULL;
961 var.key = "pcsx_rearmed_region";
962
963 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
964 {
965 Config.PsxAuto = 0;
966 if (strcmp(var.value, "Automatic") == 0)
967 Config.PsxAuto = 1;
968 else if (strcmp(var.value, "NTSC") == 0)
969 Config.PsxType = 0;
970 else if (strcmp(var.value, "PAL") == 0)
971 Config.PsxType = 1;
972 }
973
974 var.value = NULL;
975 var.key = "pcsx_rearmed_pad1type";
976
977 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
978 {
979 in_type1 = PSE_PAD_TYPE_STANDARD;
980 if (strcmp(var.value, "analog") == 0)
981 in_type1 = PSE_PAD_TYPE_ANALOGPAD;
982 }
983
984 var.value = NULL;
985 var.key = "pcsx_rearmed_pad2type";
986
987 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
988 {
989 in_type2 = PSE_PAD_TYPE_STANDARD;
990 if (strcmp(var.value, "analog") == 0)
991 in_type2 = PSE_PAD_TYPE_ANALOGPAD;
992 }
993
994#ifdef __ARM_NEON__
995 var.value = "NULL";
996 var.key = "pcsx_rearmed_neon_interlace_enable";
997
998 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
999 {
1000 if (strcmp(var.value, "disabled") == 0)
1001 pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
1002 else if (strcmp(var.value, "enabled") == 0)
1003 pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
1004 }
1005
1006 var.value = NULL;
1007 var.key = "pcsx_rearmed_neon_enhancement_enable";
1008
1009 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1010 {
1011 if (strcmp(var.value, "disabled") == 0)
1012 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
1013 else if (strcmp(var.value, "enabled") == 0)
1014 pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
1015 }
1016
1017 var.value = NULL;
1018 var.key = "pcsx_rearmed_neon_enhancement_no_main";
1019
1020 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1021 {
1022 if (strcmp(var.value, "disabled") == 0)
1023 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
1024 else if (strcmp(var.value, "enabled") == 0)
1025 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1;
1026 }
1027#endif
1028
1029 var.value = "NULL";
1030 var.key = "pcsx_rearmed_duping_enable";
1031
1032 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1033 {
1034 if (strcmp(var.value, "off") == 0)
1035 duping_enable = false;
1036 else if (strcmp(var.value, "on") == 0)
1037 duping_enable = true;
1038 }
1039
1040#ifndef DRC_DISABLE
1041 var.value = NULL;
1042 var.key = "pcsx_rearmed_drc";
1043
1044 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1045 {
1046 R3000Acpu *prev_cpu = psxCpu;
1047
1048 if (strcmp(var.value, "disabled") == 0)
1049 Config.Cpu = CPU_INTERPRETER;
1050 else if (strcmp(var.value, "enabled") == 0)
1051 Config.Cpu = CPU_DYNAREC;
1052
1053 psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
1054 if (psxCpu != prev_cpu) {
1055 prev_cpu->Shutdown();
1056 psxCpu->Init();
1057 psxCpu->Reset(); // not really a reset..
1058 }
1059 }
1060#endif
1061
1062 var.value = "NULL";
1063 var.key = "pcsx_rearmed_spu_reverb";
1064
1065 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1066 {
1067 if (strcmp(var.value, "off") == 0)
1068 spu_config.iUseReverb = false;
1069 else if (strcmp(var.value, "on") == 0)
1070 spu_config.iUseReverb = true;
1071 }
1072
1073 var.value = "NULL";
1074 var.key = "pcsx_rearmed_spu_interpolation";
1075
1076 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1077 {
1078 if (strcmp(var.value, "simple") == 0)
1079 spu_config.iUseInterpolation = 1;
1080 else if (strcmp(var.value, "gaussian") == 0)
1081 spu_config.iUseInterpolation = 2;
1082 else if (strcmp(var.value, "cubic") == 0)
1083 spu_config.iUseInterpolation = 3;
1084 else if (strcmp(var.value, "off") == 0)
1085 spu_config.iUseInterpolation = 0;
1086 }
1087
1088 if (in_flight) {
1089 // inform core things about possible config changes
1090 plugin_call_rearmed_cbs();
1091
1092 if (GPU_open != NULL && GPU_close != NULL) {
1093 GPU_close();
1094 GPU_open(&gpuDisp, "PCSX", NULL);
1095 }
1096
1097 dfinput_activate();
1098 }
1099}
1100
1101void retro_run(void)
1102{
1103 int i;
1104
1105 input_poll_cb();
1106
1107 bool updated = false;
1108 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
1109 update_variables(true);
1110
1111 in_keystate = 0;
1112 for (i = 0; i < RETRO_PSX_MAP_LEN; i++)
1113 if (input_state_cb(1, RETRO_DEVICE_JOYPAD, 0, i))
1114 in_keystate |= retro_psx_map[i];
1115 in_keystate <<= 16;
1116 for (i = 0; i < RETRO_PSX_MAP_LEN; i++)
1117 if (input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, i))
1118 in_keystate |= retro_psx_map[i];
1119
1120 if (in_type1 == PSE_PAD_TYPE_ANALOGPAD)
1121 {
1122 in_a1[0] = (input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X) / 256) + 128;
1123 in_a1[1] = (input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y) / 256) + 128;
1124 in_a2[0] = (input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X) / 256) + 128;
1125 in_a2[1] = (input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y) / 256) + 128;
1126 }
1127
1128 stop = 0;
1129 psxCpu->Execute();
1130
1131 video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf : NULL,
1132 vout_width, vout_height, vout_width * 2);
1133 vout_fb_dirty = 0;
1134}
1135
1136static bool try_use_bios(const char *path)
1137{
1138 FILE *f;
1139 long size;
1140 const char *name;
1141
1142 f = fopen(path, "rb");
1143 if (f == NULL)
1144 return false;
1145
1146 fseek(f, 0, SEEK_END);
1147 size = ftell(f);
1148 fclose(f);
1149
1150 if (size != 512 * 1024)
1151 return false;
1152
1153 name = strrchr(path, SLASH);
1154 if (name++ == NULL)
1155 name = path;
1156 snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
1157 return true;
1158}
1159
1160#if 1
1161#include <sys/types.h>
1162#include <dirent.h>
1163
1164static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
1165{
1166 DIR *dir;
1167 struct dirent *ent;
1168 bool ret = false;
1169
1170 dir = opendir(dirpath);
1171 if (dir == NULL)
1172 return false;
1173
1174 while ((ent = readdir(dir))) {
1175 if (strncasecmp(ent->d_name, "scph", 4) != 0)
1176 continue;
1177
1178 snprintf(path, path_size, "%s/%s", dirpath, ent->d_name);
1179 ret = try_use_bios(path);
1180 if (ret)
1181 break;
1182 }
1183 closedir(dir);
1184 return ret;
1185}
1186#else
1187#define find_any_bios(...) false
1188#endif
1189
1190static void check_system_specs(void)
1191{
1192 unsigned level = 6;
1193 environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
1194}
1195
1196void retro_init(void)
1197{
1198 const char *bios[] = { "scph1001", "scph5501", "scph7001" };
1199 const char *dir;
1200 char path[256];
1201 int i, ret;
1202 bool found_bios = false;
1203
1204 ret = emu_core_preinit();
1205 ret |= emu_core_init();
1206 if (ret != 0) {
1207 SysPrintf("PCSX init failed.\n");
1208 exit(1);
1209 }
1210
1211#if defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L)
1212 posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
1213#else
1214 vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
1215#endif
1216
1217 if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
1218 {
1219 snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s/", dir);
1220
1221 for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++) {
1222 snprintf(path, sizeof(path), "%s/%s.bin", dir, bios[i]);
1223 found_bios = try_use_bios(path);
1224 if (found_bios)
1225 break;
1226 }
1227
1228 if (!found_bios)
1229 found_bios = find_any_bios(dir, path, sizeof(path));
1230 }
1231 if (found_bios) {
1232 SysPrintf("found BIOS file: %s\n", Config.Bios);
1233 }
1234 else
1235 {
1236 SysPrintf("no BIOS files found.\n");
1237 struct retro_message msg =
1238 {
1239 "no BIOS found, expect bugs!",
1240 180
1241 };
1242 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, (void*)&msg);
1243 }
1244
1245 environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
1246 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
1247 environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble);
1248
1249 /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
1250 * we have to do this because cache misses and some IO penalties
1251 * are not emulated. Warning: changing this may break compatibility. */
1252#if !defined(__arm__) || defined(__ARM_ARCH_7A__)
1253 cycle_multiplier = 175;
1254#else
1255 cycle_multiplier = 200;
1256#endif
1257 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
1258
1259 McdDisable[0] = 0;
1260 McdDisable[1] = 1;
1261 init_memcard(Mcd1Data);
1262
1263 SaveFuncs.open = save_open;
1264 SaveFuncs.read = save_read;
1265 SaveFuncs.write = save_write;
1266 SaveFuncs.seek = save_seek;
1267 SaveFuncs.close = save_close;
1268
1269 update_variables(false);
1270 check_system_specs();
1271}
1272
1273void retro_deinit(void)
1274{
1275 SysClose();
1276 free(vout_buf);
1277 vout_buf = NULL;
1278}
ARM optimized PCSX fork