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don't use __ARM_ARCH_7A__
[pcsx_rearmed.git] / frontend / libretro.c
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1/*
2 * (C) notaz, 2012,2014,2015
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 "arm_features.h"
29#include "revision.h"
30#include "libretro.h"
31
32static retro_video_refresh_t video_cb;
33static retro_input_poll_t input_poll_cb;
34static retro_input_state_t input_state_cb;
35static retro_environment_t environ_cb;
36static retro_audio_sample_batch_t audio_batch_cb;
37static struct retro_rumble_interface rumble;
38
39static void *vout_buf;
40static int vout_width, vout_height;
41static int vout_doffs_old, vout_fb_dirty;
42static bool vout_can_dupe;
43static bool duping_enable;
44
45static int plugins_opened;
46static int is_pal_mode;
47
48/* memory card data */
49extern char Mcd1Data[MCD_SIZE];
50extern char McdDisable[2];
51
52/* PCSX ReARMed core calls and stuff */
53int in_type1, in_type2;
54int in_a1[2] = { 127, 127 }, in_a2[2] = { 127, 127 };
55int in_keystate;
56int in_enable_vibration = 1;
57
58/* PSX max resolution is 640x512, but with enhancement it's 1024x512 */
59#define VOUT_MAX_WIDTH 1024
60#define VOUT_MAX_HEIGHT 512
61
62static void init_memcard(char *mcd_data)
63{
64 unsigned off = 0;
65 unsigned i;
66
67 memset(mcd_data, 0, MCD_SIZE);
68
69 mcd_data[off++] = 'M';
70 mcd_data[off++] = 'C';
71 off += 0x7d;
72 mcd_data[off++] = 0x0e;
73
74 for (i = 0; i < 15; i++) {
75 mcd_data[off++] = 0xa0;
76 off += 0x07;
77 mcd_data[off++] = 0xff;
78 mcd_data[off++] = 0xff;
79 off += 0x75;
80 mcd_data[off++] = 0xa0;
81 }
82
83 for (i = 0; i < 20; i++) {
84 mcd_data[off++] = 0xff;
85 mcd_data[off++] = 0xff;
86 mcd_data[off++] = 0xff;
87 mcd_data[off++] = 0xff;
88 off += 0x04;
89 mcd_data[off++] = 0xff;
90 mcd_data[off++] = 0xff;
91 off += 0x76;
92 }
93}
94
95static int vout_open(void)
96{
97 return 0;
98}
99
100static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
101{
102 vout_width = w;
103 vout_height = h;
104}
105
106#ifndef FRONTEND_SUPPORTS_RGB565
107static void convert(void *buf, size_t bytes)
108{
109 unsigned int i, v, *p = buf;
110
111 for (i = 0; i < bytes / 4; i++) {
112 v = p[i];
113 p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0);
114 }
115}
116#endif
117
118static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
119{
120 unsigned short *dest = vout_buf;
121 const unsigned short *src = vram;
122 int dstride = vout_width, h1 = h;
123 int doffs;
124
125 if (vram == NULL) {
126 // blanking
127 memset(vout_buf, 0, dstride * h * 2);
128 goto out;
129 }
130
131 doffs = (vout_height - h) * dstride;
132 doffs += (dstride - w) / 2 & ~1;
133 if (doffs != vout_doffs_old) {
134 // clear borders
135 memset(vout_buf, 0, dstride * h * 2);
136 vout_doffs_old = doffs;
137 }
138 dest += doffs;
139
140 if (bgr24)
141 {
142 // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here?
143 for (; h1-- > 0; dest += dstride, src += stride)
144 {
145 bgr888_to_rgb565(dest, src, w * 3);
146 }
147 }
148 else
149 {
150 for (; h1-- > 0; dest += dstride, src += stride)
151 {
152 bgr555_to_rgb565(dest, src, w * 2);
153 }
154 }
155
156out:
157#ifndef FRONTEND_SUPPORTS_RGB565
158 convert(vout_buf, vout_width * vout_height * 2);
159#endif
160 vout_fb_dirty = 1;
161 pl_rearmed_cbs.flip_cnt++;
162}
163
164static void vout_close(void)
165{
166}
167
168static void *pl_mmap(unsigned int size)
169{
170 return psxMap(0, size, 0, MAP_TAG_VRAM);
171}
172
173static void pl_munmap(void *ptr, unsigned int size)
174{
175 psxUnmap(ptr, size, MAP_TAG_VRAM);
176}
177
178struct rearmed_cbs pl_rearmed_cbs = {
179 .pl_vout_open = vout_open,
180 .pl_vout_set_mode = vout_set_mode,
181 .pl_vout_flip = vout_flip,
182 .pl_vout_close = vout_close,
183 .mmap = pl_mmap,
184 .munmap = pl_munmap,
185 /* from psxcounters */
186 .gpu_hcnt = &hSyncCount,
187 .gpu_frame_count = &frame_counter,
188};
189
190void pl_frame_limit(void)
191{
192 /* called once per frame, make psxCpu->Execute() above return */
193 stop = 1;
194}
195
196void pl_timing_prepare(int is_pal)
197{
198 is_pal_mode = is_pal;
199}
200
201void plat_trigger_vibrate(int pad, int low, int high)
202{
203 rumble.set_rumble_state(pad, RETRO_RUMBLE_STRONG, high << 8);
204 rumble.set_rumble_state(pad, RETRO_RUMBLE_WEAK, low ? 0xffff : 0x0);
205}
206
207void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in)
208{
209}
210
211/* sound calls */
212static int snd_init(void)
213{
214 return 0;
215}
216
217static void snd_finish(void)
218{
219}
220
221static int snd_busy(void)
222{
223 return 0;
224}
225
226static void snd_feed(void *buf, int bytes)
227{
228 if (audio_batch_cb != NULL)
229 audio_batch_cb(buf, bytes / 4);
230}
231
232void out_register_libretro(struct out_driver *drv)
233{
234 drv->name = "libretro";
235 drv->init = snd_init;
236 drv->finish = snd_finish;
237 drv->busy = snd_busy;
238 drv->feed = snd_feed;
239}
240
241/* libretro */
242void retro_set_environment(retro_environment_t cb)
243{
244 static const struct retro_variable vars[] = {
245 { "pcsx_rearmed_frameskip", "Frameskip; 0|1|2|3" },
246 { "pcsx_rearmed_region", "Region; Auto|NTSC|PAL" },
247 { "pcsx_rearmed_pad1type", "Pad 1 Type; standard|analog" },
248 { "pcsx_rearmed_pad2type", "Pad 2 Type; standard|analog" },
249#ifndef DRC_DISABLE
250 { "pcsx_rearmed_drc", "Dynamic recompiler; enabled|disabled" },
251#endif
252#ifdef __ARM_NEON__
253 { "pcsx_rearmed_neon_interlace_enable", "Enable interlacing mode(s); disabled|enabled" },
254 { "pcsx_rearmed_neon_enhancement_enable", "Enhanced resolution (slow); disabled|enabled" },
255 { "pcsx_rearmed_neon_enhancement_no_main", "Enhanced resolution speed hack; disabled|enabled" },
256#endif
257 { "pcsx_rearmed_duping_enable", "Frame duping; on|off" },
258 { "pcsx_rearmed_spu_reverb", "Sound: Reverb; on|off" },
259 { "pcsx_rearmed_spu_interpolation", "Sound: Interpolation; simple|gaussian|cubic|off" },
260 { NULL, NULL },
261 };
262
263 environ_cb = cb;
264
265 cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void*)vars);
266}
267
268void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
269void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
270void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
271void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
272void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
273
274unsigned retro_api_version(void)
275{
276 return RETRO_API_VERSION;
277}
278
279void retro_set_controller_port_device(unsigned port, unsigned device)
280{
281}
282
283void retro_get_system_info(struct retro_system_info *info)
284{
285 memset(info, 0, sizeof(*info));
286 info->library_name = "PCSX-ReARMed";
287 info->library_version = "r22";
288 info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u";
289 info->need_fullpath = true;
290}
291
292void retro_get_system_av_info(struct retro_system_av_info *info)
293{
294 memset(info, 0, sizeof(*info));
295 info->timing.fps = is_pal_mode ? 50 : 60;
296 info->timing.sample_rate = 44100;
297 info->geometry.base_width = 320;
298 info->geometry.base_height = 240;
299 info->geometry.max_width = VOUT_MAX_WIDTH;
300 info->geometry.max_height = VOUT_MAX_HEIGHT;
301 info->geometry.aspect_ratio = 4.0 / 3.0;
302}
303
304/* savestates */
305size_t retro_serialize_size(void)
306{
307 // it's currently 4380651-4397047 bytes,
308 // but have some reserved for future
309 return 0x440000;
310}
311
312struct save_fp {
313 char *buf;
314 size_t pos;
315 int is_write;
316};
317
318static void *save_open(const char *name, const char *mode)
319{
320 struct save_fp *fp;
321
322 if (name == NULL || mode == NULL)
323 return NULL;
324
325 fp = malloc(sizeof(*fp));
326 if (fp == NULL)
327 return NULL;
328
329 fp->buf = (char *)name;
330 fp->pos = 0;
331 fp->is_write = (mode[0] == 'w' || mode[1] == 'w');
332
333 return fp;
334}
335
336static int save_read(void *file, void *buf, u32 len)
337{
338 struct save_fp *fp = file;
339 if (fp == NULL || buf == NULL)
340 return -1;
341
342 memcpy(buf, fp->buf + fp->pos, len);
343 fp->pos += len;
344 return len;
345}
346
347static int save_write(void *file, const void *buf, u32 len)
348{
349 struct save_fp *fp = file;
350 if (fp == NULL || buf == NULL)
351 return -1;
352
353 memcpy(fp->buf + fp->pos, buf, len);
354 fp->pos += len;
355 return len;
356}
357
358static long save_seek(void *file, long offs, int whence)
359{
360 struct save_fp *fp = file;
361 if (fp == NULL)
362 return -1;
363
364 switch (whence) {
365 case SEEK_CUR:
366 fp->pos += offs;
367 return fp->pos;
368 case SEEK_SET:
369 fp->pos = offs;
370 return fp->pos;
371 default:
372 return -1;
373 }
374}
375
376static void save_close(void *file)
377{
378 struct save_fp *fp = file;
379 size_t r_size = retro_serialize_size();
380 if (fp == NULL)
381 return;
382
383 if (fp->pos > r_size)
384 SysPrintf("ERROR: save buffer overflow detected\n");
385 else if (fp->is_write && fp->pos < r_size)
386 // make sure we don't save trash in leftover space
387 memset(fp->buf + fp->pos, 0, r_size - fp->pos);
388 free(fp);
389}
390
391bool retro_serialize(void *data, size_t size)
392{
393 int ret = SaveState(data);
394 return ret == 0 ? true : false;
395}
396
397bool retro_unserialize(const void *data, size_t size)
398{
399 int ret = LoadState(data);
400 return ret == 0 ? true : false;
401}
402
403/* cheats */
404void retro_cheat_reset(void)
405{
406 ClearAllCheats();
407}
408
409void retro_cheat_set(unsigned index, bool enabled, const char *code)
410{
411 char buf[256];
412 int ret;
413
414 // cheat funcs are destructive, need a copy..
415 strncpy(buf, code, sizeof(buf));
416 buf[sizeof(buf) - 1] = 0;
417
418 if (index < NumCheats)
419 ret = EditCheat(index, "", buf);
420 else
421 ret = AddCheat("", buf);
422
423 if (ret != 0)
424 SysPrintf("Failed to set cheat %#u\n", index);
425 else if (index < NumCheats)
426 Cheats[index].Enabled = enabled;
427}
428
429/* multidisk support */
430static bool disk_ejected;
431static unsigned int disk_current_index;
432static unsigned int disk_count;
433static struct disks_state {
434 char *fname;
435 int internal_index; // for multidisk eboots
436} disks[8];
437
438static bool disk_set_eject_state(bool ejected)
439{
440 // weird PCSX API..
441 SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2));
442 LidInterrupt();
443
444 disk_ejected = ejected;
445 return true;
446}
447
448static bool disk_get_eject_state(void)
449{
450 /* can't be controlled by emulated software */
451 return disk_ejected;
452}
453
454static unsigned int disk_get_image_index(void)
455{
456 return disk_current_index;
457}
458
459static bool disk_set_image_index(unsigned int index)
460{
461 if (index >= sizeof(disks) / sizeof(disks[0]))
462 return false;
463
464 CdromId[0] = '\0';
465 CdromLabel[0] = '\0';
466
467 if (disks[index].fname == NULL) {
468 SysPrintf("missing disk #%u\n", index);
469 CDR_shutdown();
470
471 // RetroArch specifies "no disk" with index == count,
472 // so don't fail here..
473 disk_current_index = index;
474 return true;
475 }
476
477 SysPrintf("switching to disk %u: \"%s\" #%d\n", index,
478 disks[index].fname, disks[index].internal_index);
479
480 cdrIsoMultidiskSelect = disks[index].internal_index;
481 set_cd_image(disks[index].fname);
482 if (ReloadCdromPlugin() < 0) {
483 SysPrintf("failed to load cdr plugin\n");
484 return false;
485 }
486 if (CDR_open() < 0) {
487 SysPrintf("failed to open cdr plugin\n");
488 return false;
489 }
490
491 if (!disk_ejected) {
492 SetCdOpenCaseTime(time(NULL) + 2);
493 LidInterrupt();
494 }
495
496 disk_current_index = index;
497 return true;
498}
499
500static unsigned int disk_get_num_images(void)
501{
502 return disk_count;
503}
504
505static bool disk_replace_image_index(unsigned index,
506 const struct retro_game_info *info)
507{
508 char *old_fname;
509 bool ret = true;
510
511 if (index >= sizeof(disks) / sizeof(disks[0]))
512 return false;
513
514 old_fname = disks[index].fname;
515 disks[index].fname = NULL;
516 disks[index].internal_index = 0;
517
518 if (info != NULL) {
519 disks[index].fname = strdup(info->path);
520 if (index == disk_current_index)
521 ret = disk_set_image_index(index);
522 }
523
524 if (old_fname != NULL)
525 free(old_fname);
526
527 return ret;
528}
529
530static bool disk_add_image_index(void)
531{
532 if (disk_count >= 8)
533 return false;
534
535 disk_count++;
536 return true;
537}
538
539static struct retro_disk_control_callback disk_control = {
540 .set_eject_state = disk_set_eject_state,
541 .get_eject_state = disk_get_eject_state,
542 .get_image_index = disk_get_image_index,
543 .set_image_index = disk_set_image_index,
544 .get_num_images = disk_get_num_images,
545 .replace_image_index = disk_replace_image_index,
546 .add_image_index = disk_add_image_index,
547};
548
549// just in case, maybe a win-rt port in the future?
550#ifdef _WIN32
551#define SLASH '\\'
552#else
553#define SLASH '/'
554#endif
555
556static char base_dir[PATH_MAX];
557
558static bool read_m3u(const char *file)
559{
560 char line[PATH_MAX];
561 char name[PATH_MAX];
562 FILE *f = fopen(file, "r");
563 if (!f)
564 return false;
565
566 while (fgets(line, sizeof(line), f) && disk_count < sizeof(disks) / sizeof(disks[0])) {
567 if (line[0] == '#')
568 continue;
569 char *carrige_return = strchr(line, '\r');
570 if (carrige_return)
571 *carrige_return = '\0';
572 char *newline = strchr(line, '\n');
573 if (newline)
574 *newline = '\0';
575
576 if (line[0] != '\0')
577 {
578 snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
579 disks[disk_count++].fname = strdup(name);
580 }
581 }
582
583 fclose(f);
584 return (disk_count != 0);
585}
586
587static void extract_directory(char *buf, const char *path, size_t size)
588{
589 char *base;
590 strncpy(buf, path, size - 1);
591 buf[size - 1] = '\0';
592
593 base = strrchr(buf, '/');
594 if (!base)
595 base = strrchr(buf, '\\');
596
597 if (base)
598 *base = '\0';
599 else
600 {
601 buf[0] = '.';
602 buf[1] = '\0';
603 }
604}
605
606#if defined(__QNX__) || defined(_WIN32)
607/* Blackberry QNX doesn't have strcasestr */
608
609/*
610 * Find the first occurrence of find in s, ignore case.
611 */
612char *
613strcasestr(const char *s, const char*find)
614{
615 char c, sc;
616 size_t len;
617
618 if ((c = *find++) != 0) {
619 c = tolower((unsigned char)c);
620 len = strlen(find);
621 do {
622 do {
623 if ((sc = *s++) == 0)
624 return (NULL);
625 } while ((char)tolower((unsigned char)sc) != c);
626 } while (strncasecmp(s, find, len) != 0);
627 s--;
628 }
629 return ((char *)s);
630}
631#endif
632
633bool retro_load_game(const struct retro_game_info *info)
634{
635 size_t i;
636 bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
637
638 struct retro_input_descriptor desc[] = {
639 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
640 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
641 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
642 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
643 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
644 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
645 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
646 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
647 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
648 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
649 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
650 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
651 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
652 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
653 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
654 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
655 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
656 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
657 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
658 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
659
660
661 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
662 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
663 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
664 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
665 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
666 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
667 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
668 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
669 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
670 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
671 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
672 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
673 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
674 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
675 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
676 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
677 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
678 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
679 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
680 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
681
682 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
683 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
684 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
685 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
686 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
687 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
688 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
689 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
690 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
691 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
692 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
693 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
694 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
695 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
696 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
697 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
698 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
699 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
700 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
701 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
702
703 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
704 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
705 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
706 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
707 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
708 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
709 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
710 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
711 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
712 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
713 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
714 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
715 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
716 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
717 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
718 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
719 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
720 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
721 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
722 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
723
724 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
725 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
726 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
727 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
728 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
729 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
730 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
731 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
732 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
733 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
734 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
735 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
736 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
737 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
738 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
739 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
740 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
741 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
742 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
743 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
744
745 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
746 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
747 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
748 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
749 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
750 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
751 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
752 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
753 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
754 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
755 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
756 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
757 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
758 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
759 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
760 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
761 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
762 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
763 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
764 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
765
766 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
767 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
768 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
769 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
770 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
771 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
772 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
773 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
774 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
775 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
776 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
777 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
778 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
779 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
780 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
781 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
782 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
783 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
784 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
785 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
786
787 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
788 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
789 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
790 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
791 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
792 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
793 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
794 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
795 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
796 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
797 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
798 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
799 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
800 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
801 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
802 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
803 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
804 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
805 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
806 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
807
808 { 0 },
809 };
810
811 environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
812
813#ifdef FRONTEND_SUPPORTS_RGB565
814 enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
815 if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) {
816 SysPrintf("RGB565 supported, using it\n");
817 }
818#endif
819
820 if (info == NULL || info->path == NULL) {
821 SysPrintf("info->path required\n");
822 return false;
823 }
824
825 if (plugins_opened) {
826 ClosePlugins();
827 plugins_opened = 0;
828 }
829
830 for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++) {
831 if (disks[i].fname != NULL) {
832 free(disks[i].fname);
833 disks[i].fname = NULL;
834 }
835 disks[i].internal_index = 0;
836 }
837
838 disk_current_index = 0;
839 extract_directory(base_dir, info->path, sizeof(base_dir));
840
841 if (is_m3u) {
842 if (!read_m3u(info->path)) {
843 SysPrintf("failed to read m3u file\n");
844 return false;
845 }
846 } else {
847 disk_count = 1;
848 disks[0].fname = strdup(info->path);
849 }
850
851 set_cd_image(disks[0].fname);
852
853 /* have to reload after set_cd_image for correct cdr plugin */
854 if (LoadPlugins() == -1) {
855 SysPrintf("failed to load plugins\n");
856 return false;
857 }
858
859 plugins_opened = 1;
860 NetOpened = 0;
861
862 if (OpenPlugins() == -1) {
863 SysPrintf("failed to open plugins\n");
864 return false;
865 }
866
867 plugin_call_rearmed_cbs();
868 dfinput_activate();
869
870 Config.PsxAuto = 1;
871 if (CheckCdrom() == -1) {
872 SysPrintf("unsupported/invalid CD image: %s\n", info->path);
873 return false;
874 }
875
876 SysReset();
877
878 if (LoadCdrom() == -1) {
879 SysPrintf("could not load CD-ROM!\n");
880 return false;
881 }
882 emu_on_new_cd(0);
883
884 // multidisk images
885 if (!is_m3u) {
886 disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8;
887 for (i = 1; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++) {
888 disks[i].fname = strdup(info->path);
889 disks[i].internal_index = i;
890 }
891 }
892
893 return true;
894}
895
896bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info)
897{
898 return false;
899}
900
901void retro_unload_game(void)
902{
903}
904
905unsigned retro_get_region(void)
906{
907 return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
908}
909
910void *retro_get_memory_data(unsigned id)
911{
912 if (id == RETRO_MEMORY_SAVE_RAM)
913 return Mcd1Data;
914 else
915 return NULL;
916}
917
918size_t retro_get_memory_size(unsigned id)
919{
920 if (id == RETRO_MEMORY_SAVE_RAM)
921 return MCD_SIZE;
922 else
923 return 0;
924}
925
926void retro_reset(void)
927{
928 SysReset();
929}
930
931static const unsigned short retro_psx_map[] = {
932 [RETRO_DEVICE_ID_JOYPAD_B] = 1 << DKEY_CROSS,
933 [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << DKEY_SQUARE,
934 [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT,
935 [RETRO_DEVICE_ID_JOYPAD_START] = 1 << DKEY_START,
936 [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << DKEY_UP,
937 [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << DKEY_DOWN,
938 [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << DKEY_LEFT,
939 [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << DKEY_RIGHT,
940 [RETRO_DEVICE_ID_JOYPAD_A] = 1 << DKEY_CIRCLE,
941 [RETRO_DEVICE_ID_JOYPAD_X] = 1 << DKEY_TRIANGLE,
942 [RETRO_DEVICE_ID_JOYPAD_L] = 1 << DKEY_L1,
943 [RETRO_DEVICE_ID_JOYPAD_R] = 1 << DKEY_R1,
944 [RETRO_DEVICE_ID_JOYPAD_L2] = 1 << DKEY_L2,
945 [RETRO_DEVICE_ID_JOYPAD_R2] = 1 << DKEY_R2,
946 [RETRO_DEVICE_ID_JOYPAD_L3] = 1 << DKEY_L3,
947 [RETRO_DEVICE_ID_JOYPAD_R3] = 1 << DKEY_R3,
948};
949#define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
950
951static void update_variables(bool in_flight)
952{
953 struct retro_variable var;
954
955 var.value = NULL;
956 var.key = "pcsx_rearmed_frameskip";
957
958 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
959 pl_rearmed_cbs.frameskip = atoi(var.value);
960
961 var.value = NULL;
962 var.key = "pcsx_rearmed_region";
963
964 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
965 {
966 Config.PsxAuto = 0;
967 if (strcmp(var.value, "Automatic") == 0)
968 Config.PsxAuto = 1;
969 else if (strcmp(var.value, "NTSC") == 0)
970 Config.PsxType = 0;
971 else if (strcmp(var.value, "PAL") == 0)
972 Config.PsxType = 1;
973 }
974
975 var.value = NULL;
976 var.key = "pcsx_rearmed_pad1type";
977
978 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
979 {
980 in_type1 = PSE_PAD_TYPE_STANDARD;
981 if (strcmp(var.value, "analog") == 0)
982 in_type1 = PSE_PAD_TYPE_ANALOGPAD;
983 }
984
985 var.value = NULL;
986 var.key = "pcsx_rearmed_pad2type";
987
988 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
989 {
990 in_type2 = PSE_PAD_TYPE_STANDARD;
991 if (strcmp(var.value, "analog") == 0)
992 in_type2 = PSE_PAD_TYPE_ANALOGPAD;
993 }
994
995#ifdef __ARM_NEON__
996 var.value = "NULL";
997 var.key = "pcsx_rearmed_neon_interlace_enable";
998
999 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1000 {
1001 if (strcmp(var.value, "disabled") == 0)
1002 pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
1003 else if (strcmp(var.value, "enabled") == 0)
1004 pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
1005 }
1006
1007 var.value = NULL;
1008 var.key = "pcsx_rearmed_neon_enhancement_enable";
1009
1010 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1011 {
1012 if (strcmp(var.value, "disabled") == 0)
1013 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
1014 else if (strcmp(var.value, "enabled") == 0)
1015 pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
1016 }
1017
1018 var.value = NULL;
1019 var.key = "pcsx_rearmed_neon_enhancement_no_main";
1020
1021 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1022 {
1023 if (strcmp(var.value, "disabled") == 0)
1024 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
1025 else if (strcmp(var.value, "enabled") == 0)
1026 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1;
1027 }
1028#endif
1029
1030 var.value = "NULL";
1031 var.key = "pcsx_rearmed_duping_enable";
1032
1033 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1034 {
1035 if (strcmp(var.value, "off") == 0)
1036 duping_enable = false;
1037 else if (strcmp(var.value, "on") == 0)
1038 duping_enable = true;
1039 }
1040
1041#ifndef DRC_DISABLE
1042 var.value = NULL;
1043 var.key = "pcsx_rearmed_drc";
1044
1045 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1046 {
1047 R3000Acpu *prev_cpu = psxCpu;
1048
1049 if (strcmp(var.value, "disabled") == 0)
1050 Config.Cpu = CPU_INTERPRETER;
1051 else if (strcmp(var.value, "enabled") == 0)
1052 Config.Cpu = CPU_DYNAREC;
1053
1054 psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
1055 if (psxCpu != prev_cpu) {
1056 prev_cpu->Shutdown();
1057 psxCpu->Init();
1058 psxCpu->Reset(); // not really a reset..
1059 }
1060 }
1061#endif
1062
1063 var.value = "NULL";
1064 var.key = "pcsx_rearmed_spu_reverb";
1065
1066 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1067 {
1068 if (strcmp(var.value, "off") == 0)
1069 spu_config.iUseReverb = false;
1070 else if (strcmp(var.value, "on") == 0)
1071 spu_config.iUseReverb = true;
1072 }
1073
1074 var.value = "NULL";
1075 var.key = "pcsx_rearmed_spu_interpolation";
1076
1077 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1078 {
1079 if (strcmp(var.value, "simple") == 0)
1080 spu_config.iUseInterpolation = 1;
1081 else if (strcmp(var.value, "gaussian") == 0)
1082 spu_config.iUseInterpolation = 2;
1083 else if (strcmp(var.value, "cubic") == 0)
1084 spu_config.iUseInterpolation = 3;
1085 else if (strcmp(var.value, "off") == 0)
1086 spu_config.iUseInterpolation = 0;
1087 }
1088
1089 if (in_flight) {
1090 // inform core things about possible config changes
1091 plugin_call_rearmed_cbs();
1092
1093 if (GPU_open != NULL && GPU_close != NULL) {
1094 GPU_close();
1095 GPU_open(&gpuDisp, "PCSX", NULL);
1096 }
1097
1098 dfinput_activate();
1099 }
1100}
1101
1102void retro_run(void)
1103{
1104 int i;
1105
1106 input_poll_cb();
1107
1108 bool updated = false;
1109 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
1110 update_variables(true);
1111
1112 in_keystate = 0;
1113 for (i = 0; i < RETRO_PSX_MAP_LEN; i++)
1114 if (input_state_cb(1, RETRO_DEVICE_JOYPAD, 0, i))
1115 in_keystate |= retro_psx_map[i];
1116 in_keystate <<= 16;
1117 for (i = 0; i < RETRO_PSX_MAP_LEN; i++)
1118 if (input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, i))
1119 in_keystate |= retro_psx_map[i];
1120
1121 if (in_type1 == PSE_PAD_TYPE_ANALOGPAD)
1122 {
1123 in_a1[0] = (input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X) / 256) + 128;
1124 in_a1[1] = (input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y) / 256) + 128;
1125 in_a2[0] = (input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X) / 256) + 128;
1126 in_a2[1] = (input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y) / 256) + 128;
1127 }
1128
1129 stop = 0;
1130 psxCpu->Execute();
1131
1132 video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf : NULL,
1133 vout_width, vout_height, vout_width * 2);
1134 vout_fb_dirty = 0;
1135}
1136
1137static bool try_use_bios(const char *path)
1138{
1139 FILE *f;
1140 long size;
1141 const char *name;
1142
1143 f = fopen(path, "rb");
1144 if (f == NULL)
1145 return false;
1146
1147 fseek(f, 0, SEEK_END);
1148 size = ftell(f);
1149 fclose(f);
1150
1151 if (size != 512 * 1024)
1152 return false;
1153
1154 name = strrchr(path, SLASH);
1155 if (name++ == NULL)
1156 name = path;
1157 snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
1158 return true;
1159}
1160
1161#if 1
1162#include <sys/types.h>
1163#include <dirent.h>
1164
1165static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
1166{
1167 DIR *dir;
1168 struct dirent *ent;
1169 bool ret = false;
1170
1171 dir = opendir(dirpath);
1172 if (dir == NULL)
1173 return false;
1174
1175 while ((ent = readdir(dir))) {
1176 if (strncasecmp(ent->d_name, "scph", 4) != 0)
1177 continue;
1178
1179 snprintf(path, path_size, "%s/%s", dirpath, ent->d_name);
1180 ret = try_use_bios(path);
1181 if (ret)
1182 break;
1183 }
1184 closedir(dir);
1185 return ret;
1186}
1187#else
1188#define find_any_bios(...) false
1189#endif
1190
1191static void check_system_specs(void)
1192{
1193 unsigned level = 6;
1194 environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
1195}
1196
1197void retro_init(void)
1198{
1199 const char *bios[] = { "scph1001", "scph5501", "scph7001" };
1200 const char *dir;
1201 char path[256];
1202 int i, ret;
1203 bool found_bios = false;
1204
1205 ret = emu_core_preinit();
1206 ret |= emu_core_init();
1207 if (ret != 0) {
1208 SysPrintf("PCSX init failed.\n");
1209 exit(1);
1210 }
1211
1212#if defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L)
1213 posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
1214#else
1215 vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
1216#endif
1217
1218 if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
1219 {
1220 snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s/", dir);
1221
1222 for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++) {
1223 snprintf(path, sizeof(path), "%s/%s.bin", dir, bios[i]);
1224 found_bios = try_use_bios(path);
1225 if (found_bios)
1226 break;
1227 }
1228
1229 if (!found_bios)
1230 found_bios = find_any_bios(dir, path, sizeof(path));
1231 }
1232 if (found_bios) {
1233 SysPrintf("found BIOS file: %s\n", Config.Bios);
1234 }
1235 else
1236 {
1237 SysPrintf("no BIOS files found.\n");
1238 struct retro_message msg =
1239 {
1240 "no BIOS found, expect bugs!",
1241 180
1242 };
1243 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, (void*)&msg);
1244 }
1245
1246 environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
1247 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
1248 environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble);
1249
1250 /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
1251 * we have to do this because cache misses and some IO penalties
1252 * are not emulated. Warning: changing this may break compatibility. */
1253 cycle_multiplier = 175;
1254#ifdef HAVE_PRE_ARMV7
1255 cycle_multiplier = 200;
1256#endif
1257 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
1258 spu_config.iUseFixedUpdates = 1;
1259
1260 McdDisable[0] = 0;
1261 McdDisable[1] = 1;
1262 init_memcard(Mcd1Data);
1263
1264 SaveFuncs.open = save_open;
1265 SaveFuncs.read = save_read;
1266 SaveFuncs.write = save_write;
1267 SaveFuncs.seek = save_seek;
1268 SaveFuncs.close = save_close;
1269
1270 update_variables(false);
1271 check_system_specs();
1272}
1273
1274void retro_deinit(void)
1275{
1276 SysClose();
1277 free(vout_buf);
1278 vout_buf = NULL;
1279}
ARM optimized PCSX fork