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Fix corrupted memory card saves when using HLE
[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#ifdef __MACH__
14#include <unistd.h>
15#include <sys/syscall.h>
16#endif
17
18#include "../libpcsxcore/misc.h"
19#include "../libpcsxcore/psxcounters.h"
20#include "../libpcsxcore/psxmem_map.h"
21#include "../libpcsxcore/new_dynarec/new_dynarec.h"
22#include "../libpcsxcore/cdrom.h"
23#include "../libpcsxcore/cdriso.h"
24#include "../libpcsxcore/cheat.h"
25#include "../plugins/dfsound/out.h"
26#include "../plugins/dfsound/spu_config.h"
27#include "../plugins/dfinput/externals.h"
28#include "cspace.h"
29#include "main.h"
30#include "plugin.h"
31#include "plugin_lib.h"
32#include "arm_features.h"
33#include "revision.h"
34#include "libretro.h"
35
36static retro_video_refresh_t video_cb;
37static retro_input_poll_t input_poll_cb;
38static retro_input_state_t input_state_cb;
39static retro_environment_t environ_cb;
40static retro_audio_sample_batch_t audio_batch_cb;
41static struct retro_rumble_interface rumble;
42
43static void *vout_buf;
44static int vout_width, vout_height;
45static int vout_doffs_old, vout_fb_dirty;
46static bool vout_can_dupe;
47static bool duping_enable;
48
49static int plugins_opened;
50static int is_pal_mode;
51
52/* memory card data */
53extern char Mcd1Data[MCD_SIZE];
54extern char McdDisable[2];
55
56/* PCSX ReARMed core calls and stuff */
57int in_type1, in_type2;
58int in_a1[2] = { 127, 127 }, in_a2[2] = { 127, 127 };
59int in_keystate;
60int in_enable_vibration = 1;
61
62/* PSX max resolution is 640x512, but with enhancement it's 1024x512 */
63#define VOUT_MAX_WIDTH 1024
64#define VOUT_MAX_HEIGHT 512
65
66static void init_memcard(char *mcd_data)
67{
68 unsigned off = 0;
69 unsigned i;
70
71 memset(mcd_data, 0, MCD_SIZE);
72
73 mcd_data[off++] = 'M';
74 mcd_data[off++] = 'C';
75 off += 0x7d;
76 mcd_data[off++] = 0x0e;
77
78 for (i = 0; i < 15; i++) {
79 mcd_data[off++] = 0xa0;
80 off += 0x07;
81 mcd_data[off++] = 0xff;
82 mcd_data[off++] = 0xff;
83 off += 0x75;
84 mcd_data[off++] = 0xa0;
85 }
86
87 for (i = 0; i < 20; i++) {
88 mcd_data[off++] = 0xff;
89 mcd_data[off++] = 0xff;
90 mcd_data[off++] = 0xff;
91 mcd_data[off++] = 0xff;
92 off += 0x04;
93 mcd_data[off++] = 0xff;
94 mcd_data[off++] = 0xff;
95 off += 0x76;
96 }
97}
98
99static int vout_open(void)
100{
101 return 0;
102}
103
104static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
105{
106 vout_width = w;
107 vout_height = h;
108}
109
110#ifndef FRONTEND_SUPPORTS_RGB565
111static void convert(void *buf, size_t bytes)
112{
113 unsigned int i, v, *p = buf;
114
115 for (i = 0; i < bytes / 4; i++) {
116 v = p[i];
117 p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0);
118 }
119}
120#endif
121
122static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
123{
124 unsigned short *dest = vout_buf;
125 const unsigned short *src = vram;
126 int dstride = vout_width, h1 = h;
127 int doffs;
128
129 if (vram == NULL) {
130 // blanking
131 memset(vout_buf, 0, dstride * h * 2);
132 goto out;
133 }
134
135 doffs = (vout_height - h) * dstride;
136 doffs += (dstride - w) / 2 & ~1;
137 if (doffs != vout_doffs_old) {
138 // clear borders
139 memset(vout_buf, 0, dstride * h * 2);
140 vout_doffs_old = doffs;
141 }
142 dest += doffs;
143
144 if (bgr24)
145 {
146 // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here?
147 for (; h1-- > 0; dest += dstride, src += stride)
148 {
149 bgr888_to_rgb565(dest, src, w * 3);
150 }
151 }
152 else
153 {
154 for (; h1-- > 0; dest += dstride, src += stride)
155 {
156 bgr555_to_rgb565(dest, src, w * 2);
157 }
158 }
159
160out:
161#ifndef FRONTEND_SUPPORTS_RGB565
162 convert(vout_buf, vout_width * vout_height * 2);
163#endif
164 vout_fb_dirty = 1;
165 pl_rearmed_cbs.flip_cnt++;
166}
167
168static void vout_close(void)
169{
170}
171
172static void *pl_mmap(unsigned int size)
173{
174 return psxMap(0, size, 0, MAP_TAG_VRAM);
175}
176
177static void pl_munmap(void *ptr, unsigned int size)
178{
179 psxUnmap(ptr, size, MAP_TAG_VRAM);
180}
181
182struct rearmed_cbs pl_rearmed_cbs = {
183 .pl_vout_open = vout_open,
184 .pl_vout_set_mode = vout_set_mode,
185 .pl_vout_flip = vout_flip,
186 .pl_vout_close = vout_close,
187 .mmap = pl_mmap,
188 .munmap = pl_munmap,
189 /* from psxcounters */
190 .gpu_hcnt = &hSyncCount,
191 .gpu_frame_count = &frame_counter,
192};
193
194void pl_frame_limit(void)
195{
196 /* called once per frame, make psxCpu->Execute() above return */
197 stop = 1;
198}
199
200void pl_timing_prepare(int is_pal)
201{
202 is_pal_mode = is_pal;
203}
204
205void plat_trigger_vibrate(int pad, int low, int high)
206{
207 rumble.set_rumble_state(pad, RETRO_RUMBLE_STRONG, high << 8);
208 rumble.set_rumble_state(pad, RETRO_RUMBLE_WEAK, low ? 0xffff : 0x0);
209}
210
211void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in)
212{
213}
214
215/* sound calls */
216static int snd_init(void)
217{
218 return 0;
219}
220
221static void snd_finish(void)
222{
223}
224
225static int snd_busy(void)
226{
227 return 0;
228}
229
230static void snd_feed(void *buf, int bytes)
231{
232 if (audio_batch_cb != NULL)
233 audio_batch_cb(buf, bytes / 4);
234}
235
236void out_register_libretro(struct out_driver *drv)
237{
238 drv->name = "libretro";
239 drv->init = snd_init;
240 drv->finish = snd_finish;
241 drv->busy = snd_busy;
242 drv->feed = snd_feed;
243}
244
245/* libretro */
246void retro_set_environment(retro_environment_t cb)
247{
248 static const struct retro_variable vars[] = {
249 { "pcsx_rearmed_frameskip", "Frameskip; 0|1|2|3" },
250 { "pcsx_rearmed_region", "Region; Auto|NTSC|PAL" },
251 { "pcsx_rearmed_pad1type", "Pad 1 Type; standard|analog" },
252 { "pcsx_rearmed_pad2type", "Pad 2 Type; standard|analog" },
253#ifndef DRC_DISABLE
254 { "pcsx_rearmed_drc", "Dynamic recompiler; enabled|disabled" },
255#endif
256#ifdef __ARM_NEON__
257 { "pcsx_rearmed_neon_interlace_enable", "Enable interlacing mode(s); disabled|enabled" },
258 { "pcsx_rearmed_neon_enhancement_enable", "Enhanced resolution (slow); disabled|enabled" },
259 { "pcsx_rearmed_neon_enhancement_no_main", "Enhanced resolution speed hack; disabled|enabled" },
260#endif
261 { "pcsx_rearmed_duping_enable", "Frame duping; on|off" },
262 { "pcsx_rearmed_spu_reverb", "Sound: Reverb; on|off" },
263 { "pcsx_rearmed_spu_interpolation", "Sound: Interpolation; simple|gaussian|cubic|off" },
264 { NULL, NULL },
265 };
266
267 environ_cb = cb;
268
269 cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void*)vars);
270}
271
272void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
273void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
274void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
275void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
276void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
277
278unsigned retro_api_version(void)
279{
280 return RETRO_API_VERSION;
281}
282
283void retro_set_controller_port_device(unsigned port, unsigned device)
284{
285}
286
287void retro_get_system_info(struct retro_system_info *info)
288{
289 memset(info, 0, sizeof(*info));
290 info->library_name = "PCSX-ReARMed";
291 info->library_version = "r22";
292 info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u";
293 info->need_fullpath = true;
294}
295
296void retro_get_system_av_info(struct retro_system_av_info *info)
297{
298 memset(info, 0, sizeof(*info));
299 info->timing.fps = is_pal_mode ? 50 : 60;
300 info->timing.sample_rate = 44100;
301 info->geometry.base_width = 320;
302 info->geometry.base_height = 240;
303 info->geometry.max_width = VOUT_MAX_WIDTH;
304 info->geometry.max_height = VOUT_MAX_HEIGHT;
305 info->geometry.aspect_ratio = 4.0 / 3.0;
306}
307
308/* savestates */
309size_t retro_serialize_size(void)
310{
311 // it's currently 4380651-4397047 bytes,
312 // but have some reserved for future
313 return 0x440000;
314}
315
316struct save_fp {
317 char *buf;
318 size_t pos;
319 int is_write;
320};
321
322static void *save_open(const char *name, const char *mode)
323{
324 struct save_fp *fp;
325
326 if (name == NULL || mode == NULL)
327 return NULL;
328
329 fp = malloc(sizeof(*fp));
330 if (fp == NULL)
331 return NULL;
332
333 fp->buf = (char *)name;
334 fp->pos = 0;
335 fp->is_write = (mode[0] == 'w' || mode[1] == 'w');
336
337 return fp;
338}
339
340static int save_read(void *file, void *buf, u32 len)
341{
342 struct save_fp *fp = file;
343 if (fp == NULL || buf == NULL)
344 return -1;
345
346 memcpy(buf, fp->buf + fp->pos, len);
347 fp->pos += len;
348 return len;
349}
350
351static int save_write(void *file, const void *buf, u32 len)
352{
353 struct save_fp *fp = file;
354 if (fp == NULL || buf == NULL)
355 return -1;
356
357 memcpy(fp->buf + fp->pos, buf, len);
358 fp->pos += len;
359 return len;
360}
361
362static long save_seek(void *file, long offs, int whence)
363{
364 struct save_fp *fp = file;
365 if (fp == NULL)
366 return -1;
367
368 switch (whence) {
369 case SEEK_CUR:
370 fp->pos += offs;
371 return fp->pos;
372 case SEEK_SET:
373 fp->pos = offs;
374 return fp->pos;
375 default:
376 return -1;
377 }
378}
379
380static void save_close(void *file)
381{
382 struct save_fp *fp = file;
383 size_t r_size = retro_serialize_size();
384 if (fp == NULL)
385 return;
386
387 if (fp->pos > r_size)
388 SysPrintf("ERROR: save buffer overflow detected\n");
389 else if (fp->is_write && fp->pos < r_size)
390 // make sure we don't save trash in leftover space
391 memset(fp->buf + fp->pos, 0, r_size - fp->pos);
392 free(fp);
393}
394
395bool retro_serialize(void *data, size_t size)
396{
397 int ret = SaveState(data);
398 return ret == 0 ? true : false;
399}
400
401bool retro_unserialize(const void *data, size_t size)
402{
403 int ret = LoadState(data);
404 return ret == 0 ? true : false;
405}
406
407/* cheats */
408void retro_cheat_reset(void)
409{
410 ClearAllCheats();
411}
412
413void retro_cheat_set(unsigned index, bool enabled, const char *code)
414{
415 char buf[256];
416 int ret;
417
418 // cheat funcs are destructive, need a copy..
419 strncpy(buf, code, sizeof(buf));
420 buf[sizeof(buf) - 1] = 0;
421
422 if (index < NumCheats)
423 ret = EditCheat(index, "", buf);
424 else
425 ret = AddCheat("", buf);
426
427 if (ret != 0)
428 SysPrintf("Failed to set cheat %#u\n", index);
429 else if (index < NumCheats)
430 Cheats[index].Enabled = enabled;
431}
432
433/* multidisk support */
434static bool disk_ejected;
435static unsigned int disk_current_index;
436static unsigned int disk_count;
437static struct disks_state {
438 char *fname;
439 int internal_index; // for multidisk eboots
440} disks[8];
441
442static bool disk_set_eject_state(bool ejected)
443{
444 // weird PCSX API..
445 SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2));
446 LidInterrupt();
447
448 disk_ejected = ejected;
449 return true;
450}
451
452static bool disk_get_eject_state(void)
453{
454 /* can't be controlled by emulated software */
455 return disk_ejected;
456}
457
458static unsigned int disk_get_image_index(void)
459{
460 return disk_current_index;
461}
462
463static bool disk_set_image_index(unsigned int index)
464{
465 if (index >= sizeof(disks) / sizeof(disks[0]))
466 return false;
467
468 CdromId[0] = '\0';
469 CdromLabel[0] = '\0';
470
471 if (disks[index].fname == NULL) {
472 SysPrintf("missing disk #%u\n", index);
473 CDR_shutdown();
474
475 // RetroArch specifies "no disk" with index == count,
476 // so don't fail here..
477 disk_current_index = index;
478 return true;
479 }
480
481 SysPrintf("switching to disk %u: \"%s\" #%d\n", index,
482 disks[index].fname, disks[index].internal_index);
483
484 cdrIsoMultidiskSelect = disks[index].internal_index;
485 set_cd_image(disks[index].fname);
486 if (ReloadCdromPlugin() < 0) {
487 SysPrintf("failed to load cdr plugin\n");
488 return false;
489 }
490 if (CDR_open() < 0) {
491 SysPrintf("failed to open cdr plugin\n");
492 return false;
493 }
494
495 if (!disk_ejected) {
496 SetCdOpenCaseTime(time(NULL) + 2);
497 LidInterrupt();
498 }
499
500 disk_current_index = index;
501 return true;
502}
503
504static unsigned int disk_get_num_images(void)
505{
506 return disk_count;
507}
508
509static bool disk_replace_image_index(unsigned index,
510 const struct retro_game_info *info)
511{
512 char *old_fname;
513 bool ret = true;
514
515 if (index >= sizeof(disks) / sizeof(disks[0]))
516 return false;
517
518 old_fname = disks[index].fname;
519 disks[index].fname = NULL;
520 disks[index].internal_index = 0;
521
522 if (info != NULL) {
523 disks[index].fname = strdup(info->path);
524 if (index == disk_current_index)
525 ret = disk_set_image_index(index);
526 }
527
528 if (old_fname != NULL)
529 free(old_fname);
530
531 return ret;
532}
533
534static bool disk_add_image_index(void)
535{
536 if (disk_count >= 8)
537 return false;
538
539 disk_count++;
540 return true;
541}
542
543static struct retro_disk_control_callback disk_control = {
544 .set_eject_state = disk_set_eject_state,
545 .get_eject_state = disk_get_eject_state,
546 .get_image_index = disk_get_image_index,
547 .set_image_index = disk_set_image_index,
548 .get_num_images = disk_get_num_images,
549 .replace_image_index = disk_replace_image_index,
550 .add_image_index = disk_add_image_index,
551};
552
553// just in case, maybe a win-rt port in the future?
554#ifdef _WIN32
555#define SLASH '\\'
556#else
557#define SLASH '/'
558#endif
559
560static char base_dir[PATH_MAX];
561
562static bool read_m3u(const char *file)
563{
564 char line[PATH_MAX];
565 char name[PATH_MAX];
566 FILE *f = fopen(file, "r");
567 if (!f)
568 return false;
569
570 while (fgets(line, sizeof(line), f) && disk_count < sizeof(disks) / sizeof(disks[0])) {
571 if (line[0] == '#')
572 continue;
573 char *carrige_return = strchr(line, '\r');
574 if (carrige_return)
575 *carrige_return = '\0';
576 char *newline = strchr(line, '\n');
577 if (newline)
578 *newline = '\0';
579
580 if (line[0] != '\0')
581 {
582 snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
583 disks[disk_count++].fname = strdup(name);
584 }
585 }
586
587 fclose(f);
588 return (disk_count != 0);
589}
590
591static void extract_directory(char *buf, const char *path, size_t size)
592{
593 char *base;
594 strncpy(buf, path, size - 1);
595 buf[size - 1] = '\0';
596
597 base = strrchr(buf, '/');
598 if (!base)
599 base = strrchr(buf, '\\');
600
601 if (base)
602 *base = '\0';
603 else
604 {
605 buf[0] = '.';
606 buf[1] = '\0';
607 }
608}
609
610#if defined(__QNX__) || defined(_WIN32)
611/* Blackberry QNX doesn't have strcasestr */
612
613/*
614 * Find the first occurrence of find in s, ignore case.
615 */
616char *
617strcasestr(const char *s, const char*find)
618{
619 char c, sc;
620 size_t len;
621
622 if ((c = *find++) != 0) {
623 c = tolower((unsigned char)c);
624 len = strlen(find);
625 do {
626 do {
627 if ((sc = *s++) == 0)
628 return (NULL);
629 } while ((char)tolower((unsigned char)sc) != c);
630 } while (strncasecmp(s, find, len) != 0);
631 s--;
632 }
633 return ((char *)s);
634}
635#endif
636
637bool retro_load_game(const struct retro_game_info *info)
638{
639 size_t i;
640 bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
641
642 struct retro_input_descriptor desc[] = {
643 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
644 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
645 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
646 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
647 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
648 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
649 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
650 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
651 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
652 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
653 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
654 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
655 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
656 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
657 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
658 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
659 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
660 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
661 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
662 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
663
664
665 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
666 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
667 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
668 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
669 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
670 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
671 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
672 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
673 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
674 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
675 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
676 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
677 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
678 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
679 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
680 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
681 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
682 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
683 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
684 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
685
686 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
687 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
688 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
689 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
690 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
691 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
692 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
693 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
694 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
695 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
696 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
697 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
698 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
699 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
700 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
701 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
702 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
703 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
704 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
705 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
706
707 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
708 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
709 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
710 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
711 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
712 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
713 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
714 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
715 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
716 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
717 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
718 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
719 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
720 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
721 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
722 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
723 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
724 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
725 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
726 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
727
728 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
729 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
730 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
731 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
732 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
733 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
734 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
735 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
736 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
737 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
738 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
739 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
740 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
741 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
742 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
743 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
744 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
745 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
746 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
747 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
748
749 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
750 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
751 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
752 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
753 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
754 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
755 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
756 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
757 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
758 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
759 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
760 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
761 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
762 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
763 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
764 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
765 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
766 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
767 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
768 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
769
770 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
771 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
772 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
773 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
774 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
775 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
776 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
777 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
778 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
779 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
780 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
781 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
782 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
783 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
784 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
785 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
786 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
787 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
788 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
789 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
790
791 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
792 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
793 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
794 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
795 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
796 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
797 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
798 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
799 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
800 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
801 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
802 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
803 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
804 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
805 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
806 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
807 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
808 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
809 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
810 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
811
812 { 0 },
813 };
814
815 environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
816
817#ifdef FRONTEND_SUPPORTS_RGB565
818 enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
819 if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) {
820 SysPrintf("RGB565 supported, using it\n");
821 }
822#endif
823
824 if (info == NULL || info->path == NULL) {
825 SysPrintf("info->path required\n");
826 return false;
827 }
828
829 if (plugins_opened) {
830 ClosePlugins();
831 plugins_opened = 0;
832 }
833
834 for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++) {
835 if (disks[i].fname != NULL) {
836 free(disks[i].fname);
837 disks[i].fname = NULL;
838 }
839 disks[i].internal_index = 0;
840 }
841
842 disk_current_index = 0;
843 extract_directory(base_dir, info->path, sizeof(base_dir));
844
845 if (is_m3u) {
846 if (!read_m3u(info->path)) {
847 SysPrintf("failed to read m3u file\n");
848 return false;
849 }
850 } else {
851 disk_count = 1;
852 disks[0].fname = strdup(info->path);
853 }
854
855 set_cd_image(disks[0].fname);
856
857 /* have to reload after set_cd_image for correct cdr plugin */
858 if (LoadPlugins() == -1) {
859 SysPrintf("failed to load plugins\n");
860 return false;
861 }
862
863 plugins_opened = 1;
864 NetOpened = 0;
865
866 if (OpenPlugins() == -1) {
867 SysPrintf("failed to open plugins\n");
868 return false;
869 }
870
871 plugin_call_rearmed_cbs();
872 dfinput_activate();
873
874 Config.PsxAuto = 1;
875 if (CheckCdrom() == -1) {
876 SysPrintf("unsupported/invalid CD image: %s\n", info->path);
877 return false;
878 }
879
880 SysReset();
881
882 if (LoadCdrom() == -1) {
883 SysPrintf("could not load CD-ROM!\n");
884 return false;
885 }
886 emu_on_new_cd(0);
887
888 // multidisk images
889 if (!is_m3u) {
890 disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8;
891 for (i = 1; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++) {
892 disks[i].fname = strdup(info->path);
893 disks[i].internal_index = i;
894 }
895 }
896
897 return true;
898}
899
900bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info)
901{
902 return false;
903}
904
905void retro_unload_game(void)
906{
907}
908
909unsigned retro_get_region(void)
910{
911 return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
912}
913
914void *retro_get_memory_data(unsigned id)
915{
916 if (id == RETRO_MEMORY_SAVE_RAM)
917 return Mcd1Data;
918 else
919 return NULL;
920}
921
922size_t retro_get_memory_size(unsigned id)
923{
924 if (id == RETRO_MEMORY_SAVE_RAM)
925 return MCD_SIZE;
926 else
927 return 0;
928}
929
930void retro_reset(void)
931{
932 SysReset();
933}
934
935static const unsigned short retro_psx_map[] = {
936 [RETRO_DEVICE_ID_JOYPAD_B] = 1 << DKEY_CROSS,
937 [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << DKEY_SQUARE,
938 [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT,
939 [RETRO_DEVICE_ID_JOYPAD_START] = 1 << DKEY_START,
940 [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << DKEY_UP,
941 [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << DKEY_DOWN,
942 [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << DKEY_LEFT,
943 [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << DKEY_RIGHT,
944 [RETRO_DEVICE_ID_JOYPAD_A] = 1 << DKEY_CIRCLE,
945 [RETRO_DEVICE_ID_JOYPAD_X] = 1 << DKEY_TRIANGLE,
946 [RETRO_DEVICE_ID_JOYPAD_L] = 1 << DKEY_L1,
947 [RETRO_DEVICE_ID_JOYPAD_R] = 1 << DKEY_R1,
948 [RETRO_DEVICE_ID_JOYPAD_L2] = 1 << DKEY_L2,
949 [RETRO_DEVICE_ID_JOYPAD_R2] = 1 << DKEY_R2,
950 [RETRO_DEVICE_ID_JOYPAD_L3] = 1 << DKEY_L3,
951 [RETRO_DEVICE_ID_JOYPAD_R3] = 1 << DKEY_R3,
952};
953#define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
954
955static void update_variables(bool in_flight)
956{
957 struct retro_variable var;
958
959 var.value = NULL;
960 var.key = "pcsx_rearmed_frameskip";
961
962 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
963 pl_rearmed_cbs.frameskip = atoi(var.value);
964
965 var.value = NULL;
966 var.key = "pcsx_rearmed_region";
967
968 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
969 {
970 Config.PsxAuto = 0;
971 if (strcmp(var.value, "Automatic") == 0)
972 Config.PsxAuto = 1;
973 else if (strcmp(var.value, "NTSC") == 0)
974 Config.PsxType = 0;
975 else if (strcmp(var.value, "PAL") == 0)
976 Config.PsxType = 1;
977 }
978
979 var.value = NULL;
980 var.key = "pcsx_rearmed_pad1type";
981
982 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
983 {
984 in_type1 = PSE_PAD_TYPE_STANDARD;
985 if (strcmp(var.value, "analog") == 0)
986 in_type1 = PSE_PAD_TYPE_ANALOGPAD;
987 }
988
989 var.value = NULL;
990 var.key = "pcsx_rearmed_pad2type";
991
992 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
993 {
994 in_type2 = PSE_PAD_TYPE_STANDARD;
995 if (strcmp(var.value, "analog") == 0)
996 in_type2 = PSE_PAD_TYPE_ANALOGPAD;
997 }
998
999#ifdef __ARM_NEON__
1000 var.value = "NULL";
1001 var.key = "pcsx_rearmed_neon_interlace_enable";
1002
1003 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1004 {
1005 if (strcmp(var.value, "disabled") == 0)
1006 pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
1007 else if (strcmp(var.value, "enabled") == 0)
1008 pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
1009 }
1010
1011 var.value = NULL;
1012 var.key = "pcsx_rearmed_neon_enhancement_enable";
1013
1014 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1015 {
1016 if (strcmp(var.value, "disabled") == 0)
1017 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
1018 else if (strcmp(var.value, "enabled") == 0)
1019 pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
1020 }
1021
1022 var.value = NULL;
1023 var.key = "pcsx_rearmed_neon_enhancement_no_main";
1024
1025 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1026 {
1027 if (strcmp(var.value, "disabled") == 0)
1028 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
1029 else if (strcmp(var.value, "enabled") == 0)
1030 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1;
1031 }
1032#endif
1033
1034 var.value = "NULL";
1035 var.key = "pcsx_rearmed_duping_enable";
1036
1037 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1038 {
1039 if (strcmp(var.value, "off") == 0)
1040 duping_enable = false;
1041 else if (strcmp(var.value, "on") == 0)
1042 duping_enable = true;
1043 }
1044
1045#ifndef DRC_DISABLE
1046 var.value = NULL;
1047 var.key = "pcsx_rearmed_drc";
1048
1049 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1050 {
1051 R3000Acpu *prev_cpu = psxCpu;
1052
1053 if (strcmp(var.value, "disabled") == 0)
1054 Config.Cpu = CPU_INTERPRETER;
1055 else if (strcmp(var.value, "enabled") == 0)
1056 Config.Cpu = CPU_DYNAREC;
1057
1058 psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
1059 if (psxCpu != prev_cpu) {
1060 prev_cpu->Shutdown();
1061 psxCpu->Init();
1062 psxCpu->Reset(); // not really a reset..
1063 }
1064 }
1065#endif
1066
1067 var.value = "NULL";
1068 var.key = "pcsx_rearmed_spu_reverb";
1069
1070 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1071 {
1072 if (strcmp(var.value, "off") == 0)
1073 spu_config.iUseReverb = false;
1074 else if (strcmp(var.value, "on") == 0)
1075 spu_config.iUseReverb = true;
1076 }
1077
1078 var.value = "NULL";
1079 var.key = "pcsx_rearmed_spu_interpolation";
1080
1081 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1082 {
1083 if (strcmp(var.value, "simple") == 0)
1084 spu_config.iUseInterpolation = 1;
1085 else if (strcmp(var.value, "gaussian") == 0)
1086 spu_config.iUseInterpolation = 2;
1087 else if (strcmp(var.value, "cubic") == 0)
1088 spu_config.iUseInterpolation = 3;
1089 else if (strcmp(var.value, "off") == 0)
1090 spu_config.iUseInterpolation = 0;
1091 }
1092
1093 if (in_flight) {
1094 // inform core things about possible config changes
1095 plugin_call_rearmed_cbs();
1096
1097 if (GPU_open != NULL && GPU_close != NULL) {
1098 GPU_close();
1099 GPU_open(&gpuDisp, "PCSX", NULL);
1100 }
1101
1102 dfinput_activate();
1103 }
1104}
1105
1106void retro_run(void)
1107{
1108 int i;
1109
1110 input_poll_cb();
1111
1112 bool updated = false;
1113 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
1114 update_variables(true);
1115
1116 in_keystate = 0;
1117 for (i = 0; i < RETRO_PSX_MAP_LEN; i++)
1118 if (input_state_cb(1, RETRO_DEVICE_JOYPAD, 0, i))
1119 in_keystate |= retro_psx_map[i];
1120 in_keystate <<= 16;
1121 for (i = 0; i < RETRO_PSX_MAP_LEN; i++)
1122 if (input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, i))
1123 in_keystate |= retro_psx_map[i];
1124
1125 if (in_type1 == PSE_PAD_TYPE_ANALOGPAD)
1126 {
1127 in_a1[0] = (input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X) / 256) + 128;
1128 in_a1[1] = (input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y) / 256) + 128;
1129 in_a2[0] = (input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X) / 256) + 128;
1130 in_a2[1] = (input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y) / 256) + 128;
1131 }
1132
1133 stop = 0;
1134 psxCpu->Execute();
1135
1136 video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf : NULL,
1137 vout_width, vout_height, vout_width * 2);
1138 vout_fb_dirty = 0;
1139}
1140
1141static bool try_use_bios(const char *path)
1142{
1143 FILE *f;
1144 long size;
1145 const char *name;
1146
1147 f = fopen(path, "rb");
1148 if (f == NULL)
1149 return false;
1150
1151 fseek(f, 0, SEEK_END);
1152 size = ftell(f);
1153 fclose(f);
1154
1155 if (size != 512 * 1024)
1156 return false;
1157
1158 name = strrchr(path, SLASH);
1159 if (name++ == NULL)
1160 name = path;
1161 snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
1162 return true;
1163}
1164
1165#if 1
1166#include <sys/types.h>
1167#include <dirent.h>
1168
1169static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
1170{
1171 DIR *dir;
1172 struct dirent *ent;
1173 bool ret = false;
1174
1175 dir = opendir(dirpath);
1176 if (dir == NULL)
1177 return false;
1178
1179 while ((ent = readdir(dir))) {
1180 if (strncasecmp(ent->d_name, "scph", 4) != 0)
1181 continue;
1182
1183 snprintf(path, path_size, "%s/%s", dirpath, ent->d_name);
1184 ret = try_use_bios(path);
1185 if (ret)
1186 break;
1187 }
1188 closedir(dir);
1189 return ret;
1190}
1191#else
1192#define find_any_bios(...) false
1193#endif
1194
1195static void check_system_specs(void)
1196{
1197 unsigned level = 6;
1198 environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
1199}
1200
1201void retro_init(void)
1202{
1203 const char *bios[] = { "scph1001", "scph5501", "scph7001" };
1204 const char *dir;
1205 char path[256];
1206 int i, ret;
1207 bool found_bios = false;
1208
1209#ifdef __MACH__
1210 // magic sauce to make the dynarec work on iOS
1211 syscall(SYS_ptrace, 0 /*PTRACE_TRACEME*/, 0, 0, 0);
1212#endif
1213
1214 ret = emu_core_preinit();
1215 ret |= emu_core_init();
1216 if (ret != 0) {
1217 SysPrintf("PCSX init failed.\n");
1218 exit(1);
1219 }
1220
1221#if defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L)
1222 posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
1223#else
1224 vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
1225#endif
1226
1227 if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
1228 {
1229 snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s/", dir);
1230
1231 for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++) {
1232 snprintf(path, sizeof(path), "%s/%s.bin", dir, bios[i]);
1233 found_bios = try_use_bios(path);
1234 if (found_bios)
1235 break;
1236 }
1237
1238 if (!found_bios)
1239 found_bios = find_any_bios(dir, path, sizeof(path));
1240 }
1241 if (found_bios) {
1242 SysPrintf("found BIOS file: %s\n", Config.Bios);
1243 }
1244 else
1245 {
1246 SysPrintf("no BIOS files found.\n");
1247 struct retro_message msg =
1248 {
1249 "no BIOS found, expect bugs!",
1250 180
1251 };
1252 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, (void*)&msg);
1253 }
1254
1255 environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
1256 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
1257 environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble);
1258
1259 /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
1260 * we have to do this because cache misses and some IO penalties
1261 * are not emulated. Warning: changing this may break compatibility. */
1262 cycle_multiplier = 175;
1263#ifdef HAVE_PRE_ARMV7
1264 cycle_multiplier = 200;
1265#endif
1266 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
1267 spu_config.iUseFixedUpdates = 1;
1268
1269 McdDisable[0] = 0;
1270 McdDisable[1] = 1;
1271 init_memcard(Mcd1Data);
1272
1273 SaveFuncs.open = save_open;
1274 SaveFuncs.read = save_read;
1275 SaveFuncs.write = save_write;
1276 SaveFuncs.seek = save_seek;
1277 SaveFuncs.close = save_close;
1278
1279 update_variables(false);
1280 check_system_specs();
1281}
1282
1283void retro_deinit(void)
1284{
1285 SysClose();
1286 free(vout_buf);
1287 vout_buf = NULL;
1288}
ARM optimized PCSX fork