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libretro: minor fixes
[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;
36
37static void *vout_buf;
38static int vout_width, vout_height;
39static int vout_doffs_old, vout_fb_dirty;
40static bool vout_can_dupe;
41static bool duping_enable;
42
43static int plugins_opened;
44static int is_pal_mode;
45
46/* memory card data */
47extern char Mcd1Data[MCD_SIZE];
48extern char McdDisable[2];
49
50/* PCSX ReARMed core calls and stuff */
51int in_type1, in_type2;
52int in_a1[2] = { 127, 127 }, in_a2[2] = { 127, 127 };
53int in_keystate;
54int in_enable_vibration;
55
56/* PSX max resolution is 640x512, but with enhancement it's 1024x512 */
57#define VOUT_MAX_WIDTH 1024
58#define VOUT_MAX_HEIGHT 512
59
60static void init_memcard(char *mcd_data)
61{
62 unsigned off = 0;
63 unsigned i;
64
65 memset(mcd_data, 0, MCD_SIZE);
66
67 mcd_data[off++] = 'M';
68 mcd_data[off++] = 'C';
69 off += 0x7d;
70 mcd_data[off++] = 0x0e;
71
72 for (i = 0; i < 15; i++) {
73 mcd_data[off++] = 0xa0;
74 off += 0x07;
75 mcd_data[off++] = 0xff;
76 mcd_data[off++] = 0xff;
77 off += 0x75;
78 mcd_data[off++] = 0xa0;
79 }
80
81 for (i = 0; i < 20; i++) {
82 mcd_data[off++] = 0xff;
83 mcd_data[off++] = 0xff;
84 mcd_data[off++] = 0xff;
85 mcd_data[off++] = 0xff;
86 off += 0x04;
87 mcd_data[off++] = 0xff;
88 mcd_data[off++] = 0xff;
89 off += 0x76;
90 }
91}
92
93static int vout_open(void)
94{
95 return 0;
96}
97
98static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
99{
100 vout_width = w;
101 vout_height = h;
102}
103
104#ifndef FRONTEND_SUPPORTS_RGB565
105static void convert(void *buf, size_t bytes)
106{
107 unsigned int i, v, *p = buf;
108
109 for (i = 0; i < bytes / 4; i++) {
110 v = p[i];
111 p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0);
112 }
113}
114#endif
115
116static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
117{
118 unsigned short *dest = vout_buf;
119 const unsigned short *src = vram;
120 int dstride = vout_width, h1 = h;
121 int doffs;
122
123 if (vram == NULL) {
124 // blanking
125 memset(vout_buf, 0, dstride * h * 2);
126 goto out;
127 }
128
129 doffs = (vout_height - h) * dstride;
130 doffs += (dstride - w) / 2 & ~1;
131 if (doffs != vout_doffs_old) {
132 // clear borders
133 memset(vout_buf, 0, dstride * h * 2);
134 vout_doffs_old = doffs;
135 }
136 dest += doffs;
137
138 if (bgr24)
139 {
140 // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here?
141 for (; h1-- > 0; dest += dstride, src += stride)
142 {
143 bgr888_to_rgb565(dest, src, w * 3);
144 }
145 }
146 else
147 {
148 for (; h1-- > 0; dest += dstride, src += stride)
149 {
150 bgr555_to_rgb565(dest, src, w * 2);
151 }
152 }
153
154out:
155#ifndef FRONTEND_SUPPORTS_RGB565
156 convert(vout_buf, vout_width * vout_height * 2);
157#endif
158 vout_fb_dirty = 1;
159 pl_rearmed_cbs.flip_cnt++;
160}
161
162static void vout_close(void)
163{
164}
165
166static void *pl_mmap(unsigned int size)
167{
168 return psxMap(0, size, 0, MAP_TAG_VRAM);
169}
170
171static void pl_munmap(void *ptr, unsigned int size)
172{
173 psxUnmap(ptr, size, MAP_TAG_VRAM);
174}
175
176struct rearmed_cbs pl_rearmed_cbs = {
177 .pl_vout_open = vout_open,
178 .pl_vout_set_mode = vout_set_mode,
179 .pl_vout_flip = vout_flip,
180 .pl_vout_close = vout_close,
181 .mmap = pl_mmap,
182 .munmap = pl_munmap,
183 /* from psxcounters */
184 .gpu_hcnt = &hSyncCount,
185 .gpu_frame_count = &frame_counter,
186};
187
188void pl_frame_limit(void)
189{
190 /* called once per frame, make psxCpu->Execute() above return */
191 stop = 1;
192}
193
194void pl_timing_prepare(int is_pal)
195{
196 is_pal_mode = is_pal;
197}
198
199void plat_trigger_vibrate(int is_strong)
200{
201}
202
203void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in)
204{
205}
206
207/* sound calls */
208static int snd_init(void)
209{
210 return 0;
211}
212
213static void snd_finish(void)
214{
215}
216
217static int snd_busy(void)
218{
219 return 0;
220}
221
222static void snd_feed(void *buf, int bytes)
223{
224 if (audio_batch_cb != NULL)
225 audio_batch_cb(buf, bytes / 4);
226}
227
228void out_register_libretro(struct out_driver *drv)
229{
230 drv->name = "libretro";
231 drv->init = snd_init;
232 drv->finish = snd_finish;
233 drv->busy = snd_busy;
234 drv->feed = snd_feed;
235}
236
237/* libretro */
238void retro_set_environment(retro_environment_t cb)
239{
240 static const struct retro_variable vars[] = {
241 { "frameskip", "Frameskip; 0|1|2|3" },
242 { "region", "Region; Auto|NTSC|PAL" },
243 { "pad1type", "Pad 1 Type; standard|analog" },
244#ifndef DRC_DISABLE
245 { "rearmed_drc", "Dynamic recompiler; enabled|disabled" },
246#endif
247#ifdef __ARM_NEON__
248 { "pcsx_rearmed_neon_interlace_enable", "Enable interlacing mode(s); disabled|enabled" },
249 { "pcsx_rearmed_neon_enhancement_enable", "Enhanced resolution (slow); disabled|enabled" },
250 { "pcsx_rearmed_neon_enhancement_no_main", "Enhanced resolution speed hack; disabled|enabled" },
251#endif
252 { "pcsx_rearmed_duping_enable", "Frame duping; on|off" },
253 { "pcsx_rearmed_spu_reverb", "Sound: Reverb; on|off" },
254 { "pcsx_rearmed_spu_interpolation", "Sound: Interpolation; simple|gaussian|cubic|off" },
255 { NULL, NULL },
256 };
257
258 environ_cb = cb;
259
260 cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void*)vars);
261}
262
263void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
264void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
265void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
266void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
267void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
268
269unsigned retro_api_version(void)
270{
271 return RETRO_API_VERSION;
272}
273
274void retro_set_controller_port_device(unsigned port, unsigned device)
275{
276}
277
278void retro_get_system_info(struct retro_system_info *info)
279{
280 memset(info, 0, sizeof(*info));
281 info->library_name = "PCSX-ReARMed";
282 info->library_version = "r19";
283 info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u";
284 info->need_fullpath = true;
285}
286
287void retro_get_system_av_info(struct retro_system_av_info *info)
288{
289 memset(info, 0, sizeof(*info));
290 info->timing.fps = is_pal_mode ? 50 : 60;
291 info->timing.sample_rate = 44100;
292 info->geometry.base_width = 320;
293 info->geometry.base_height = 240;
294 info->geometry.max_width = VOUT_MAX_WIDTH;
295 info->geometry.max_height = VOUT_MAX_HEIGHT;
296 info->geometry.aspect_ratio = 4.0 / 3.0;
297}
298
299/* savestates */
300size_t retro_serialize_size(void)
301{
302 // it's currently 4380651 bytes, but have some reserved for future
303 return 0x430000;
304}
305
306struct save_fp {
307 char *buf;
308 size_t pos;
309 int is_write;
310};
311
312static void *save_open(const char *name, const char *mode)
313{
314 struct save_fp *fp;
315
316 if (name == NULL || mode == NULL)
317 return NULL;
318
319 fp = malloc(sizeof(*fp));
320 if (fp == NULL)
321 return NULL;
322
323 fp->buf = (char *)name;
324 fp->pos = 0;
325 fp->is_write = (mode[0] == 'w' || mode[1] == 'w');
326
327 return fp;
328}
329
330static int save_read(void *file, void *buf, u32 len)
331{
332 struct save_fp *fp = file;
333 if (fp == NULL || buf == NULL)
334 return -1;
335
336 memcpy(buf, fp->buf + fp->pos, len);
337 fp->pos += len;
338 return len;
339}
340
341static int save_write(void *file, const void *buf, u32 len)
342{
343 struct save_fp *fp = file;
344 if (fp == NULL || buf == NULL)
345 return -1;
346
347 memcpy(fp->buf + fp->pos, buf, len);
348 fp->pos += len;
349 return len;
350}
351
352static long save_seek(void *file, long offs, int whence)
353{
354 struct save_fp *fp = file;
355 if (fp == NULL)
356 return -1;
357
358 switch (whence) {
359 case SEEK_CUR:
360 fp->pos += offs;
361 return fp->pos;
362 case SEEK_SET:
363 fp->pos = offs;
364 return fp->pos;
365 default:
366 return -1;
367 }
368}
369
370static void save_close(void *file)
371{
372 struct save_fp *fp = file;
373 size_t r_size = retro_serialize_size();
374 if (fp == NULL)
375 return;
376
377 if (fp->pos > r_size)
378 SysPrintf("ERROR: save buffer overflow detected\n");
379 else if (fp->is_write && fp->pos < r_size)
380 // make sure we don't save trash in leftover space
381 memset(fp->buf + fp->pos, 0, r_size - fp->pos);
382 free(fp);
383}
384
385bool retro_serialize(void *data, size_t size)
386{
387 int ret = SaveState(data);
388 return ret == 0 ? true : false;
389}
390
391bool retro_unserialize(const void *data, size_t size)
392{
393 int ret = LoadState(data);
394 return ret == 0 ? true : false;
395}
396
397/* cheats */
398void retro_cheat_reset(void)
399{
400 ClearAllCheats();
401}
402
403void retro_cheat_set(unsigned index, bool enabled, const char *code)
404{
405 char buf[256];
406 int ret;
407
408 // cheat funcs are destructive, need a copy..
409 strncpy(buf, code, sizeof(buf));
410 buf[sizeof(buf) - 1] = 0;
411
412 if (index < NumCheats)
413 ret = EditCheat(index, "", buf);
414 else
415 ret = AddCheat("", buf);
416
417 if (ret != 0)
418 SysPrintf("Failed to set cheat %#u\n", index);
419 else if (index < NumCheats)
420 Cheats[index].Enabled = enabled;
421}
422
423/* multidisk support */
424static bool disk_ejected;
425static unsigned int disk_current_index;
426static unsigned int disk_count;
427static struct disks_state {
428 char *fname;
429 int internal_index; // for multidisk eboots
430} disks[8];
431
432static bool disk_set_eject_state(bool ejected)
433{
434 // weird PCSX API..
435 SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2));
436 LidInterrupt();
437
438 disk_ejected = ejected;
439 return true;
440}
441
442static bool disk_get_eject_state(void)
443{
444 /* can't be controlled by emulated software */
445 return disk_ejected;
446}
447
448static unsigned int disk_get_image_index(void)
449{
450 return disk_current_index;
451}
452
453static bool disk_set_image_index(unsigned int index)
454{
455 if (index >= sizeof(disks) / sizeof(disks[0]))
456 return false;
457
458 CdromId[0] = '\0';
459 CdromLabel[0] = '\0';
460
461 if (disks[index].fname == NULL) {
462 SysPrintf("missing disk #%u\n", index);
463 CDR_shutdown();
464
465 // RetroArch specifies "no disk" with index == count,
466 // so don't fail here..
467 disk_current_index = index;
468 return true;
469 }
470
471 SysPrintf("switching to disk %u: \"%s\" #%d\n", index,
472 disks[index].fname, disks[index].internal_index);
473
474 cdrIsoMultidiskSelect = disks[index].internal_index;
475 set_cd_image(disks[index].fname);
476 if (ReloadCdromPlugin() < 0) {
477 SysPrintf("failed to load cdr plugin\n");
478 return false;
479 }
480 if (CDR_open() < 0) {
481 SysPrintf("failed to open cdr plugin\n");
482 return false;
483 }
484
485 if (!disk_ejected) {
486 SetCdOpenCaseTime(time(NULL) + 2);
487 LidInterrupt();
488 }
489
490 disk_current_index = index;
491 return true;
492}
493
494static unsigned int disk_get_num_images(void)
495{
496 return disk_count;
497}
498
499static bool disk_replace_image_index(unsigned index,
500 const struct retro_game_info *info)
501{
502 char *old_fname;
503 bool ret = true;
504
505 if (index >= sizeof(disks) / sizeof(disks[0]))
506 return false;
507
508 old_fname = disks[index].fname;
509 disks[index].fname = NULL;
510 disks[index].internal_index = 0;
511
512 if (info != NULL) {
513 disks[index].fname = strdup(info->path);
514 if (index == disk_current_index)
515 ret = disk_set_image_index(index);
516 }
517
518 if (old_fname != NULL)
519 free(old_fname);
520
521 return ret;
522}
523
524static bool disk_add_image_index(void)
525{
526 if (disk_count >= 8)
527 return false;
528
529 disk_count++;
530 return true;
531}
532
533static struct retro_disk_control_callback disk_control = {
534 .set_eject_state = disk_set_eject_state,
535 .get_eject_state = disk_get_eject_state,
536 .get_image_index = disk_get_image_index,
537 .set_image_index = disk_set_image_index,
538 .get_num_images = disk_get_num_images,
539 .replace_image_index = disk_replace_image_index,
540 .add_image_index = disk_add_image_index,
541};
542
543// just in case, maybe a win-rt port in the future?
544#ifdef _WIN32
545#define SLASH '\\'
546#else
547#define SLASH '/'
548#endif
549
550static char base_dir[PATH_MAX];
551
552static bool read_m3u(const char *file)
553{
554 char line[PATH_MAX];
555 char name[PATH_MAX];
556 FILE *f = fopen(file, "r");
557 if (!f)
558 return false;
559
560 while (fgets(line, sizeof(line), f) && disk_count < sizeof(disks) / sizeof(disks[0])) {
561 if (line[0] == '#')
562 continue;
563 char *carrige_return = strchr(line, '\r');
564 if (carrige_return)
565 *carrige_return = '\0';
566 char *newline = strchr(line, '\n');
567 if (newline)
568 *newline = '\0';
569
570 if (line[0] != '\0')
571 {
572 snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
573 disks[disk_count++].fname = strdup(name);
574 }
575 }
576
577 fclose(f);
578 return (disk_count != 0);
579}
580
581static void extract_directory(char *buf, const char *path, size_t size)
582{
583 char *base;
584 strncpy(buf, path, size - 1);
585 buf[size - 1] = '\0';
586
587 base = strrchr(buf, '/');
588 if (!base)
589 base = strrchr(buf, '\\');
590
591 if (base)
592 *base = '\0';
593 else
594 {
595 buf[0] = '.';
596 buf[1] = '\0';
597 }
598}
599
600#ifdef __QNX__
601/* Blackberry QNX doesn't have strcasestr */
602
603/*
604 * Find the first occurrence of find in s, ignore case.
605 */
606char *
607strcasestr(const char *s, const char*find)
608{
609 char c, sc;
610 size_t len;
611
612 if ((c = *find++) != 0) {
613 c = tolower((unsigned char)c);
614 len = strlen(find);
615 do {
616 do {
617 if ((sc = *s++) == 0)
618 return (NULL);
619 } while ((char)tolower((unsigned char)sc) != c);
620 } while (strncasecmp(s, find, len) != 0);
621 s--;
622 }
623 return ((char *)s);
624}
625#endif
626
627bool retro_load_game(const struct retro_game_info *info)
628{
629 size_t i;
630 bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
631
632 struct retro_input_descriptor desc[] = {
633 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
634 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
635 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
636 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
637 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
638 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
639 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
640 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
641 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
642 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
643 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
644 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
645 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
646 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
647 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
648 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
649 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
650 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
651 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
652 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
653
654
655 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
656 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
657 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
658 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
659 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
660 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
661 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
662 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
663 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
664 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
665 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
666 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
667 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
668 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
669 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
670 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
671 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
672 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
673 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
674 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
675
676 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
677 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
678 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
679 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
680 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
681 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
682 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
683 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
684 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
685 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
686 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
687 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
688 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
689 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
690 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
691 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
692 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
693 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
694 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
695 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
696
697 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
698 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
699 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
700 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
701 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
702 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
703 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
704 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
705 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
706 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
707 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
708 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
709 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
710 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
711 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
712 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
713 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
714 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
715 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
716 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
717
718 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
719 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
720 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
721 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
722 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
723 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
724 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
725 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
726 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
727 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
728 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
729 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
730 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
731 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
732 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
733 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
734 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
735 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
736 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
737 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
738
739 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
740 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
741 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
742 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
743 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
744 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
745 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
746 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
747 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
748 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
749 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
750 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
751 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
752 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
753 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
754 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
755 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
756 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
757 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
758 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
759
760 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
761 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
762 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
763 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
764 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
765 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
766 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
767 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
768 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
769 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
770 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
771 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
772 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
773 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
774 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
775 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
776 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
777 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
778 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
779 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
780
781 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
782 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
783 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
784 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
785 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
786 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
787 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
788 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
789 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
790 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
791 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
792 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
793 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
794 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
795 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
796 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
797 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
798 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
799 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
800 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
801
802 { 0 },
803 };
804
805 environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
806
807#ifdef FRONTEND_SUPPORTS_RGB565
808 enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
809 if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) {
810 SysPrintf("RGB565 supported, using it\n");
811 }
812#endif
813
814 if (info == NULL || info->path == NULL) {
815 SysPrintf("info->path required\n");
816 return false;
817 }
818
819 if (plugins_opened) {
820 ClosePlugins();
821 plugins_opened = 0;
822 }
823
824 for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++) {
825 if (disks[i].fname != NULL) {
826 free(disks[i].fname);
827 disks[i].fname = NULL;
828 }
829 disks[i].internal_index = 0;
830 }
831
832 disk_current_index = 0;
833 extract_directory(base_dir, info->path, sizeof(base_dir));
834
835 if (is_m3u) {
836 if (!read_m3u(info->path)) {
837 SysPrintf("failed to read m3u file\n");
838 return false;
839 }
840 } else {
841 disk_count = 1;
842 disks[0].fname = strdup(info->path);
843 }
844
845 set_cd_image(disks[0].fname);
846
847 /* have to reload after set_cd_image for correct cdr plugin */
848 if (LoadPlugins() == -1) {
849 SysPrintf("failed to load plugins\n");
850 return false;
851 }
852
853 plugins_opened = 1;
854 NetOpened = 0;
855
856 if (OpenPlugins() == -1) {
857 SysPrintf("failed to open plugins\n");
858 return false;
859 }
860
861 plugin_call_rearmed_cbs();
862 dfinput_activate();
863
864 Config.PsxAuto = 1;
865 if (CheckCdrom() == -1) {
866 SysPrintf("unsupported/invalid CD image: %s\n", info->path);
867 return false;
868 }
869
870 SysReset();
871
872 if (LoadCdrom() == -1) {
873 SysPrintf("could not load CD-ROM!\n");
874 return false;
875 }
876 emu_on_new_cd(0);
877
878 // multidisk images
879 if (!is_m3u) {
880 disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8;
881 for (i = 1; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++) {
882 disks[i].fname = strdup(info->path);
883 disks[i].internal_index = i;
884 }
885 }
886
887 return true;
888}
889
890bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info)
891{
892 return false;
893}
894
895void retro_unload_game(void)
896{
897}
898
899unsigned retro_get_region(void)
900{
901 return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
902}
903
904void *retro_get_memory_data(unsigned id)
905{
906 if (id == RETRO_MEMORY_SAVE_RAM)
907 return Mcd1Data;
908 else
909 return NULL;
910}
911
912size_t retro_get_memory_size(unsigned id)
913{
914 if (id == RETRO_MEMORY_SAVE_RAM)
915 return MCD_SIZE;
916 else
917 return 0;
918}
919
920void retro_reset(void)
921{
922 SysReset();
923}
924
925static const unsigned short retro_psx_map[] = {
926 [RETRO_DEVICE_ID_JOYPAD_B] = 1 << DKEY_CROSS,
927 [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << DKEY_SQUARE,
928 [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT,
929 [RETRO_DEVICE_ID_JOYPAD_START] = 1 << DKEY_START,
930 [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << DKEY_UP,
931 [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << DKEY_DOWN,
932 [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << DKEY_LEFT,
933 [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << DKEY_RIGHT,
934 [RETRO_DEVICE_ID_JOYPAD_A] = 1 << DKEY_CIRCLE,
935 [RETRO_DEVICE_ID_JOYPAD_X] = 1 << DKEY_TRIANGLE,
936 [RETRO_DEVICE_ID_JOYPAD_L] = 1 << DKEY_L1,
937 [RETRO_DEVICE_ID_JOYPAD_R] = 1 << DKEY_R1,
938 [RETRO_DEVICE_ID_JOYPAD_L2] = 1 << DKEY_L2,
939 [RETRO_DEVICE_ID_JOYPAD_R2] = 1 << DKEY_R2,
940 [RETRO_DEVICE_ID_JOYPAD_L3] = 1 << DKEY_L3,
941 [RETRO_DEVICE_ID_JOYPAD_R3] = 1 << DKEY_R3,
942};
943#define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
944
945static void update_variables(bool in_flight)
946{
947 struct retro_variable var;
948
949 var.value = NULL;
950 var.key = "frameskip";
951
952 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
953 pl_rearmed_cbs.frameskip = atoi(var.value);
954
955 var.value = NULL;
956 var.key = "region";
957
958 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
959 {
960 Config.PsxAuto = 0;
961 if (strcmp(var.value, "Automatic") == 0)
962 Config.PsxAuto = 1;
963 else if (strcmp(var.value, "NTSC") == 0)
964 Config.PsxType = 0;
965 else if (strcmp(var.value, "PAL") == 0)
966 Config.PsxType = 1;
967 }
968
969 var.value = NULL;
970 var.key = "pad1type";
971
972 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
973 {
974 in_type1 = PSE_PAD_TYPE_STANDARD;
975 if (strcmp(var.value, "analog") == 0)
976 in_type1 = PSE_PAD_TYPE_ANALOGPAD;
977 }
978
979#ifdef __ARM_NEON__
980 var.value = "NULL";
981 var.key = "pcsx_rearmed_neon_interlace_enable";
982
983 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
984 {
985 if (strcmp(var.value, "disabled") == 0)
986 pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
987 else if (strcmp(var.value, "enabled") == 0)
988 pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
989 }
990
991 var.value = NULL;
992 var.key = "pcsx_rearmed_neon_enhancement_enable";
993
994 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
995 {
996 if (strcmp(var.value, "disabled") == 0)
997 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
998 else if (strcmp(var.value, "enabled") == 0)
999 pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
1000 }
1001
1002 var.value = NULL;
1003 var.key = "pcsx_rearmed_neon_enhancement_no_main";
1004
1005 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1006 {
1007 if (strcmp(var.value, "disabled") == 0)
1008 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
1009 else if (strcmp(var.value, "enabled") == 0)
1010 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1;
1011 }
1012#endif
1013
1014 var.value = "NULL";
1015 var.key = "pcsx_rearmed_duping_enable";
1016
1017 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1018 {
1019 if (strcmp(var.value, "off") == 0)
1020 duping_enable = false;
1021 else if (strcmp(var.value, "on") == 0)
1022 duping_enable = true;
1023 }
1024
1025#ifndef DRC_DISABLE
1026 var.value = NULL;
1027 var.key = "rearmed_drc";
1028
1029 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1030 {
1031 R3000Acpu *prev_cpu = psxCpu;
1032
1033 if (strcmp(var.value, "disabled") == 0)
1034 Config.Cpu = CPU_INTERPRETER;
1035 else if (strcmp(var.value, "enabled") == 0)
1036 Config.Cpu = CPU_DYNAREC;
1037
1038 psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
1039 if (psxCpu != prev_cpu) {
1040 prev_cpu->Shutdown();
1041 psxCpu->Init();
1042 psxCpu->Reset(); // not really a reset..
1043 }
1044 }
1045#endif
1046
1047 var.value = "NULL";
1048 var.key = "pcsx_rearmed_spu_reverb";
1049
1050 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1051 {
1052 if (strcmp(var.value, "off") == 0)
1053 spu_config.iUseReverb = false;
1054 else if (strcmp(var.value, "on") == 0)
1055 spu_config.iUseReverb = true;
1056 }
1057
1058 var.value = "NULL";
1059 var.key = "pcsx_rearmed_spu_interpolation";
1060
1061 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1062 {
1063 if (strcmp(var.value, "simple") == 0)
1064 spu_config.iUseInterpolation = 1;
1065 else if (strcmp(var.value, "gaussian") == 0)
1066 spu_config.iUseInterpolation = 2;
1067 else if (strcmp(var.value, "cubic") == 0)
1068 spu_config.iUseInterpolation = 3;
1069 else if (strcmp(var.value, "off") == 0)
1070 spu_config.iUseInterpolation = 0;
1071 }
1072
1073 if (in_flight) {
1074 // inform core things about possible config changes
1075 plugin_call_rearmed_cbs();
1076
1077 if (GPU_open != NULL && GPU_close != NULL) {
1078 GPU_close();
1079 GPU_open(&gpuDisp, "PCSX", NULL);
1080 }
1081
1082 dfinput_activate();
1083 }
1084}
1085
1086void retro_run(void)
1087{
1088 int i;
1089
1090 input_poll_cb();
1091
1092 bool updated = false;
1093 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
1094 update_variables(true);
1095
1096 in_keystate = 0;
1097 for (i = 0; i < RETRO_PSX_MAP_LEN; i++)
1098 if (input_state_cb(1, RETRO_DEVICE_JOYPAD, 0, i))
1099 in_keystate |= retro_psx_map[i];
1100 in_keystate <<= 16;
1101 for (i = 0; i < RETRO_PSX_MAP_LEN; i++)
1102 if (input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, i))
1103 in_keystate |= retro_psx_map[i];
1104
1105 if (in_type1 == PSE_PAD_TYPE_ANALOGPAD)
1106 {
1107 in_a1[0] = (input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X) / 256) + 128;
1108 in_a1[1] = (input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y) / 256) + 128;
1109 in_a2[0] = (input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X) / 256) + 128;
1110 in_a2[1] = (input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y) / 256) + 128;
1111 }
1112
1113 stop = 0;
1114 psxCpu->Execute();
1115
1116 video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf : NULL,
1117 vout_width, vout_height, vout_width * 2);
1118 vout_fb_dirty = 0;
1119}
1120
1121static bool try_use_bios(const char *path)
1122{
1123 FILE *f;
1124 long size;
1125 const char *name;
1126
1127 f = fopen(path, "rb");
1128 if (f == NULL)
1129 return false;
1130
1131 fseek(f, 0, SEEK_END);
1132 size = ftell(f);
1133 fclose(f);
1134
1135 if (size != 512 * 1024)
1136 return false;
1137
1138 name = strrchr(path, SLASH);
1139 if (name++ == NULL)
1140 name = path;
1141 snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
1142 return true;
1143}
1144
1145#if 1
1146#include <sys/types.h>
1147#include <dirent.h>
1148
1149static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
1150{
1151 DIR *dir;
1152 struct dirent *ent;
1153 bool ret = false;
1154
1155 dir = opendir(dirpath);
1156 if (dir == NULL)
1157 return false;
1158
1159 while ((ent = readdir(dir))) {
1160 if (strncasecmp(ent->d_name, "scph", 4) != 0)
1161 continue;
1162
1163 snprintf(path, path_size, "%s/%s", dirpath, ent->d_name);
1164 ret = try_use_bios(path);
1165 if (ret)
1166 break;
1167 }
1168 closedir(dir);
1169 return ret;
1170}
1171#else
1172#define find_any_bios(...) false
1173#endif
1174
1175static void check_system_specs(void)
1176{
1177 unsigned level = 6;
1178 environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
1179}
1180
1181void retro_init(void)
1182{
1183 const char *bios[] = { "scph1001", "scph5501", "scph7001" };
1184 const char *dir;
1185 char path[256];
1186 int i, ret;
1187 bool found_bios = false;
1188
1189 ret = emu_core_preinit();
1190 ret |= emu_core_init();
1191 if (ret != 0) {
1192 SysPrintf("PCSX init failed.\n");
1193 exit(1);
1194 }
1195
1196#if defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L)
1197 posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
1198#else
1199 vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
1200#endif
1201
1202 if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
1203 {
1204 snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s/", dir);
1205
1206 for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++) {
1207 snprintf(path, sizeof(path), "%s/%s.bin", dir, bios[i]);
1208 found_bios = try_use_bios(path);
1209 if (found_bios)
1210 break;
1211 }
1212
1213 if (!found_bios)
1214 found_bios = find_any_bios(dir, path, sizeof(path));
1215 }
1216 if (found_bios) {
1217 SysPrintf("found BIOS file: %s\n", Config.Bios);
1218 }
1219 else
1220 {
1221 SysPrintf("no BIOS files found.\n");
1222 struct retro_message msg =
1223 {
1224 "no BIOS found, expect bugs!",
1225 180
1226 };
1227 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, (void*)&msg);
1228 }
1229
1230 environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
1231 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
1232
1233 /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
1234 * we have to do this because cache misses and some IO penalties
1235 * are not emulated. Warning: changing this may break compatibility. */
1236#if !defined(__arm__) || defined(__ARM_ARCH_7A__)
1237 cycle_multiplier = 175;
1238#else
1239 cycle_multiplier = 200;
1240#endif
1241
1242 McdDisable[0] = 0;
1243 McdDisable[1] = 1;
1244 init_memcard(Mcd1Data);
1245
1246 SaveFuncs.open = save_open;
1247 SaveFuncs.read = save_read;
1248 SaveFuncs.write = save_write;
1249 SaveFuncs.seek = save_seek;
1250 SaveFuncs.close = save_close;
1251
1252 update_variables(false);
1253 check_system_specs();
1254}
1255
1256void retro_deinit(void)
1257{
1258 SysClose();
1259 free(vout_buf);
1260 vout_buf = NULL;
1261}
ARM optimized PCSX fork