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libretro: update for newer spu code
[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/dfinput/externals.h"
23#include "cspace.h"
24#include "main.h"
25#include "plugin.h"
26#include "plugin_lib.h"
27#include "revision.h"
28#include "libretro.h"
29
30static retro_video_refresh_t video_cb;
31static retro_input_poll_t input_poll_cb;
32static retro_input_state_t input_state_cb;
33static retro_environment_t environ_cb;
34static retro_audio_sample_batch_t audio_batch_cb;
35
36static void *vout_buf;
37static int vout_width, vout_height;
38static int vout_doffs_old, vout_fb_dirty;
39static bool vout_can_dupe;
40static bool duping_enable;
41
42static int plugins_opened;
43static int is_pal_mode;
44
45/* memory card data */
46extern char Mcd1Data[MCD_SIZE];
47extern char McdDisable[2];
48
49/* PCSX ReARMed core calls and stuff */
50int in_type1, in_type2;
51int in_a1[2] = { 127, 127 }, in_a2[2] = { 127, 127 };
52int in_keystate;
53int in_enable_vibration;
54
55/* PSX max resolution is 640x512, but with enhancement it's 1024x512 */
56#define VOUT_MAX_WIDTH 1024
57#define VOUT_MAX_HEIGHT 512
58
59static void init_memcard(char *mcd_data)
60{
61 unsigned off = 0;
62 unsigned i;
63
64 memset(mcd_data, 0, MCD_SIZE);
65
66 mcd_data[off++] = 'M';
67 mcd_data[off++] = 'C';
68 off += 0x7d;
69 mcd_data[off++] = 0x0e;
70
71 for (i = 0; i < 15; i++) {
72 mcd_data[off++] = 0xa0;
73 off += 0x07;
74 mcd_data[off++] = 0xff;
75 mcd_data[off++] = 0xff;
76 off += 0x75;
77 mcd_data[off++] = 0xa0;
78 }
79
80 for (i = 0; i < 20; i++) {
81 mcd_data[off++] = 0xff;
82 mcd_data[off++] = 0xff;
83 mcd_data[off++] = 0xff;
84 mcd_data[off++] = 0xff;
85 off += 0x04;
86 mcd_data[off++] = 0xff;
87 mcd_data[off++] = 0xff;
88 off += 0x76;
89 }
90}
91
92static int vout_open(void)
93{
94 return 0;
95}
96
97static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
98{
99 vout_width = w;
100 vout_height = h;
101}
102
103#ifndef FRONTEND_SUPPORTS_RGB565
104static void convert(void *buf, size_t bytes)
105{
106 unsigned int i, v, *p = buf;
107
108 for (i = 0; i < bytes / 4; i++) {
109 v = p[i];
110 p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0);
111 }
112}
113#endif
114
115static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
116{
117 unsigned short *dest = vout_buf;
118 const unsigned short *src = vram;
119 int dstride = vout_width, h1 = h;
120 int doffs;
121
122 if (vram == NULL) {
123 // blanking
124 memset(vout_buf, 0, dstride * h * 2);
125 goto out;
126 }
127
128 doffs = (vout_height - h) * dstride;
129 doffs += (dstride - w) / 2 & ~1;
130 if (doffs != vout_doffs_old) {
131 // clear borders
132 memset(vout_buf, 0, dstride * h * 2);
133 vout_doffs_old = doffs;
134 }
135 dest += doffs;
136
137 if (bgr24)
138 {
139 // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here?
140 for (; h1-- > 0; dest += dstride, src += stride)
141 {
142 bgr888_to_rgb565(dest, src, w * 3);
143 }
144 }
145 else
146 {
147 for (; h1-- > 0; dest += dstride, src += stride)
148 {
149 bgr555_to_rgb565(dest, src, w * 2);
150 }
151 }
152
153out:
154#ifndef FRONTEND_SUPPORTS_RGB565
155 convert(vout_buf, vout_width * vout_height * 2);
156#endif
157 vout_fb_dirty = 1;
158 pl_rearmed_cbs.flip_cnt++;
159}
160
161static void vout_close(void)
162{
163}
164
165static void *pl_mmap(unsigned int size)
166{
167 return psxMap(0, size, 0, MAP_TAG_VRAM);
168}
169
170static void pl_munmap(void *ptr, unsigned int size)
171{
172 psxUnmap(ptr, size, MAP_TAG_VRAM);
173}
174
175struct rearmed_cbs pl_rearmed_cbs = {
176 .pl_vout_open = vout_open,
177 .pl_vout_set_mode = vout_set_mode,
178 .pl_vout_flip = vout_flip,
179 .pl_vout_close = vout_close,
180 .mmap = pl_mmap,
181 .munmap = pl_munmap,
182 /* from psxcounters */
183 .gpu_hcnt = &hSyncCount,
184 .gpu_frame_count = &frame_counter,
185};
186
187void pl_frame_limit(void)
188{
189 /* called once per frame, make psxCpu->Execute() above return */
190 stop = 1;
191}
192
193void pl_timing_prepare(int is_pal)
194{
195 is_pal_mode = is_pal;
196}
197
198void plat_trigger_vibrate(int is_strong)
199{
200}
201
202void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in)
203{
204}
205
206/* sound calls */
207static int snd_init(void)
208{
209 return 0;
210}
211
212static void snd_finish(void)
213{
214}
215
216static int snd_busy(void)
217{
218 return 0;
219}
220
221static void snd_feed(void *buf, int bytes)
222{
223 if (audio_batch_cb != NULL)
224 audio_batch_cb(buf, bytes / 4);
225}
226
227void out_register_libretro(struct out_driver *drv)
228{
229 drv->name = "libretro";
230 drv->init = snd_init;
231 drv->finish = snd_finish;
232 drv->busy = snd_busy;
233 drv->feed = snd_feed;
234}
235
236/* libretro */
237void retro_set_environment(retro_environment_t cb)
238{
239 static const struct retro_variable vars[] = {
240 { "frameskip", "Frameskip; 0|1|2|3" },
241 { "region", "Region; Auto|NTSC|PAL" },
242 { "pad1type", "Pad 1 Type; standard|analog" },
243#ifndef DRC_DISABLE
244 { "rearmed_drc", "Dynamic recompiler; enabled|disabled" },
245#endif
246#ifdef __ARM_NEON__
247 { "pcsx_rearmed_neon_interlace_enable", "Enable interlacing mode(s); disabled|enabled" },
248 { "pcsx_rearmed_neon_enhancement_enable", "Enhanced resolution (slow); disabled|enabled" },
249 { "pcsx_rearmed_neon_enhancement_no_main", "Enhanced resolution speed hack; disabled|enabled" },
250#endif
251 { "pcsx_rearmed_duping_enable", "Frame duping; on|off" },
252 { NULL, NULL },
253 };
254
255 environ_cb = cb;
256
257 cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void*)vars);
258}
259
260void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
261void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
262void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
263void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
264void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
265
266unsigned retro_api_version(void)
267{
268 return RETRO_API_VERSION;
269}
270
271void retro_set_controller_port_device(unsigned port, unsigned device)
272{
273}
274
275void retro_get_system_info(struct retro_system_info *info)
276{
277 memset(info, 0, sizeof(*info));
278 info->library_name = "PCSX-ReARMed";
279 info->library_version = "r19";
280 info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u";
281 info->need_fullpath = true;
282}
283
284void retro_get_system_av_info(struct retro_system_av_info *info)
285{
286 memset(info, 0, sizeof(*info));
287 info->timing.fps = is_pal_mode ? 50 : 60;
288 info->timing.sample_rate = 44100;
289 info->geometry.base_width = 320;
290 info->geometry.base_height = 240;
291 info->geometry.max_width = VOUT_MAX_WIDTH;
292 info->geometry.max_height = VOUT_MAX_HEIGHT;
293 info->geometry.aspect_ratio = 4.0 / 3.0;
294}
295
296/* savestates */
297size_t retro_serialize_size(void)
298{
299 // it's currently 4380651 bytes, but have some reserved for future
300 return 0x430000;
301}
302
303struct save_fp {
304 char *buf;
305 size_t pos;
306 int is_write;
307};
308
309static void *save_open(const char *name, const char *mode)
310{
311 struct save_fp *fp;
312
313 if (name == NULL || mode == NULL)
314 return NULL;
315
316 fp = malloc(sizeof(*fp));
317 if (fp == NULL)
318 return NULL;
319
320 fp->buf = (char *)name;
321 fp->pos = 0;
322 fp->is_write = (mode[0] == 'w' || mode[1] == 'w');
323
324 return fp;
325}
326
327static int save_read(void *file, void *buf, u32 len)
328{
329 struct save_fp *fp = file;
330 if (fp == NULL || buf == NULL)
331 return -1;
332
333 memcpy(buf, fp->buf + fp->pos, len);
334 fp->pos += len;
335 return len;
336}
337
338static int save_write(void *file, const void *buf, u32 len)
339{
340 struct save_fp *fp = file;
341 if (fp == NULL || buf == NULL)
342 return -1;
343
344 memcpy(fp->buf + fp->pos, buf, len);
345 fp->pos += len;
346 return len;
347}
348
349static long save_seek(void *file, long offs, int whence)
350{
351 struct save_fp *fp = file;
352 if (fp == NULL)
353 return -1;
354
355 switch (whence) {
356 case SEEK_CUR:
357 fp->pos += offs;
358 return fp->pos;
359 case SEEK_SET:
360 fp->pos = offs;
361 return fp->pos;
362 default:
363 return -1;
364 }
365}
366
367static void save_close(void *file)
368{
369 struct save_fp *fp = file;
370 size_t r_size = retro_serialize_size();
371 if (fp == NULL)
372 return;
373
374 if (fp->pos > r_size)
375 SysPrintf("ERROR: save buffer overflow detected\n");
376 else if (fp->is_write && fp->pos < r_size)
377 // make sure we don't save trash in leftover space
378 memset(fp->buf + fp->pos, 0, r_size - fp->pos);
379 free(fp);
380}
381
382bool retro_serialize(void *data, size_t size)
383{
384 int ret = SaveState(data);
385 return ret == 0 ? true : false;
386}
387
388bool retro_unserialize(const void *data, size_t size)
389{
390 int ret = LoadState(data);
391 return ret == 0 ? true : false;
392}
393
394/* cheats */
395void retro_cheat_reset(void)
396{
397 ClearAllCheats();
398}
399
400void retro_cheat_set(unsigned index, bool enabled, const char *code)
401{
402 char buf[256];
403 int ret;
404
405 // cheat funcs are destructive, need a copy..
406 strncpy(buf, code, sizeof(buf));
407 buf[sizeof(buf) - 1] = 0;
408
409 if (index < NumCheats)
410 ret = EditCheat(index, "", buf);
411 else
412 ret = AddCheat("", buf);
413
414 if (ret != 0)
415 SysPrintf("Failed to set cheat %#u\n", index);
416 else if (index < NumCheats)
417 Cheats[index].Enabled = enabled;
418}
419
420/* multidisk support */
421static bool disk_ejected;
422static unsigned int disk_current_index;
423static unsigned int disk_count;
424static struct disks_state {
425 char *fname;
426 int internal_index; // for multidisk eboots
427} disks[8];
428
429static bool disk_set_eject_state(bool ejected)
430{
431 // weird PCSX API..
432 SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2));
433 LidInterrupt();
434
435 disk_ejected = ejected;
436 return true;
437}
438
439static bool disk_get_eject_state(void)
440{
441 /* can't be controlled by emulated software */
442 return disk_ejected;
443}
444
445static unsigned int disk_get_image_index(void)
446{
447 return disk_current_index;
448}
449
450static bool disk_set_image_index(unsigned int index)
451{
452 if (index >= sizeof(disks) / sizeof(disks[0]))
453 return false;
454
455 CdromId[0] = '\0';
456 CdromLabel[0] = '\0';
457
458 if (disks[index].fname == NULL) {
459 SysPrintf("missing disk #%u\n", index);
460 CDR_shutdown();
461
462 // RetroArch specifies "no disk" with index == count,
463 // so don't fail here..
464 disk_current_index = index;
465 return true;
466 }
467
468 SysPrintf("switching to disk %u: \"%s\" #%d\n", index,
469 disks[index].fname, disks[index].internal_index);
470
471 cdrIsoMultidiskSelect = disks[index].internal_index;
472 set_cd_image(disks[index].fname);
473 if (ReloadCdromPlugin() < 0) {
474 SysPrintf("failed to load cdr plugin\n");
475 return false;
476 }
477 if (CDR_open() < 0) {
478 SysPrintf("failed to open cdr plugin\n");
479 return false;
480 }
481
482 if (!disk_ejected) {
483 SetCdOpenCaseTime(time(NULL) + 2);
484 LidInterrupt();
485 }
486
487 disk_current_index = index;
488 return true;
489}
490
491static unsigned int disk_get_num_images(void)
492{
493 return disk_count;
494}
495
496static bool disk_replace_image_index(unsigned index,
497 const struct retro_game_info *info)
498{
499 char *old_fname;
500 bool ret = true;
501
502 if (index >= sizeof(disks) / sizeof(disks[0]))
503 return false;
504
505 old_fname = disks[index].fname;
506 disks[index].fname = NULL;
507 disks[index].internal_index = 0;
508
509 if (info != NULL) {
510 disks[index].fname = strdup(info->path);
511 if (index == disk_current_index)
512 ret = disk_set_image_index(index);
513 }
514
515 if (old_fname != NULL)
516 free(old_fname);
517
518 return ret;
519}
520
521static bool disk_add_image_index(void)
522{
523 if (disk_count >= 8)
524 return false;
525
526 disk_count++;
527 return true;
528}
529
530static struct retro_disk_control_callback disk_control = {
531 .set_eject_state = disk_set_eject_state,
532 .get_eject_state = disk_get_eject_state,
533 .get_image_index = disk_get_image_index,
534 .set_image_index = disk_set_image_index,
535 .get_num_images = disk_get_num_images,
536 .replace_image_index = disk_replace_image_index,
537 .add_image_index = disk_add_image_index,
538};
539
540// just in case, maybe a win-rt port in the future?
541#ifdef _WIN32
542#define SLASH '\\'
543#else
544#define SLASH '/'
545#endif
546
547static char base_dir[PATH_MAX];
548
549static bool read_m3u(const char *file)
550{
551 char line[PATH_MAX];
552 char name[PATH_MAX];
553 FILE *f = fopen(file, "r");
554 if (!f)
555 return false;
556
557 while (fgets(line, sizeof(line), f) && disk_count < sizeof(disks) / sizeof(disks[0])) {
558 if (line[0] == '#')
559 continue;
560 char *carrige_return = strchr(line, '\r');
561 if (carrige_return)
562 *carrige_return = '\0';
563 char *newline = strchr(line, '\n');
564 if (newline)
565 *newline = '\0';
566
567 if (line[0] != '\0')
568 {
569 snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
570 disks[disk_count++].fname = strdup(name);
571 }
572 }
573
574 fclose(f);
575 return (disk_count != 0);
576}
577
578static void extract_directory(char *buf, const char *path, size_t size)
579{
580 char *base;
581 strncpy(buf, path, size - 1);
582 buf[size - 1] = '\0';
583
584 base = strrchr(buf, '/');
585 if (!base)
586 base = strrchr(buf, '\\');
587
588 if (base)
589 *base = '\0';
590 else
591 {
592 buf[0] = '.';
593 buf[1] = '\0';
594 }
595}
596
597#ifdef __QNX__
598/* Blackberry QNX doesn't have strcasestr */
599
600/*
601 * Find the first occurrence of find in s, ignore case.
602 */
603char *
604strcasestr(const char *s, const char*find)
605{
606 char c, sc;
607 size_t len;
608
609 if ((c = *find++) != 0) {
610 c = tolower((unsigned char)c);
611 len = strlen(find);
612 do {
613 do {
614 if ((sc = *s++) == 0)
615 return (NULL);
616 } while ((char)tolower((unsigned char)sc) != c);
617 } while (strncasecmp(s, find, len) != 0);
618 s--;
619 }
620 return ((char *)s);
621}
622#endif
623
624bool retro_load_game(const struct retro_game_info *info)
625{
626 size_t i;
627 bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
628
629 struct retro_input_descriptor desc[] = {
630 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
631 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
632 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
633 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
634 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
635 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
636 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
637 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
638 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
639 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
640 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
641 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
642 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
643 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
644 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
645 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
646 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
647 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
648 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
649 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
650
651
652 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
653 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
654 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
655 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
656 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
657 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
658 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
659 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
660 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
661 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
662 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
663 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
664 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
665 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
666 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
667 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
668 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
669 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
670 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
671 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
672
673 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
674 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
675 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
676 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
677 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
678 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
679 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
680 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
681 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
682 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
683 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
684 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
685 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
686 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
687 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
688 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
689 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
690 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
691 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
692 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
693
694 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
695 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
696 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
697 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
698 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
699 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
700 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
701 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
702 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
703 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
704 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
705 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
706 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
707 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
708 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
709 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
710 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
711 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
712 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
713 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
714
715 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
716 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
717 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
718 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
719 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
720 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
721 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
722 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
723 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
724 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
725 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
726 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
727 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
728 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
729 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
730 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
731 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
732 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
733 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
734 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
735
736 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
737 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
738 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
739 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
740 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
741 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
742 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
743 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
744 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
745 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
746 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
747 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
748 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
749 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
750 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
751 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
752 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
753 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
754 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
755 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
756
757 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
758 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
759 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
760 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
761 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
762 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
763 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
764 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
765 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
766 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
767 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
768 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
769 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
770 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
771 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
772 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
773 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
774 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
775 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
776 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
777
778 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
779 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
780 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
781 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
782 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
783 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
784 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
785 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
786 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
787 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
788 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
789 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
790 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
791 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
792 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
793 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
794 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
795 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
796 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
797 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
798
799 { 0 },
800 };
801
802 environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
803
804#ifdef FRONTEND_SUPPORTS_RGB565
805 enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
806 if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) {
807 SysPrintf("RGB565 supported, using it\n");
808 }
809#endif
810
811 if (info == NULL || info->path == NULL) {
812 SysPrintf("info->path required\n");
813 return false;
814 }
815
816 if (plugins_opened) {
817 ClosePlugins();
818 plugins_opened = 0;
819 }
820
821 for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++) {
822 if (disks[i].fname != NULL) {
823 free(disks[i].fname);
824 disks[i].fname = NULL;
825 }
826 disks[i].internal_index = 0;
827 }
828
829 disk_current_index = 0;
830 extract_directory(base_dir, info->path, sizeof(base_dir));
831
832 if (is_m3u) {
833 if (!read_m3u(info->path)) {
834 SysPrintf("failed to read m3u file\n");
835 return false;
836 }
837 } else {
838 disk_count = 1;
839 disks[0].fname = strdup(info->path);
840 }
841
842 set_cd_image(disks[0].fname);
843
844 /* have to reload after set_cd_image for correct cdr plugin */
845 if (LoadPlugins() == -1) {
846 SysPrintf("failed to load plugins\n");
847 return false;
848 }
849
850 plugins_opened = 1;
851 NetOpened = 0;
852
853 if (OpenPlugins() == -1) {
854 SysPrintf("failed to open plugins\n");
855 return false;
856 }
857
858 plugin_call_rearmed_cbs();
859 dfinput_activate();
860
861 Config.PsxAuto = 1;
862 if (CheckCdrom() == -1) {
863 SysPrintf("unsupported/invalid CD image: %s\n", info->path);
864 return false;
865 }
866
867 SysReset();
868
869 if (LoadCdrom() == -1) {
870 SysPrintf("could not load CD-ROM!\n");
871 return false;
872 }
873 emu_on_new_cd(0);
874
875 // multidisk images
876 if (!is_m3u) {
877 disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8;
878 for (i = 1; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++) {
879 disks[i].fname = strdup(info->path);
880 disks[i].internal_index = i;
881 }
882 }
883
884 return true;
885}
886
887bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info)
888{
889 return false;
890}
891
892void retro_unload_game(void)
893{
894}
895
896unsigned retro_get_region(void)
897{
898 return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
899}
900
901void *retro_get_memory_data(unsigned id)
902{
903 if (id == RETRO_MEMORY_SAVE_RAM)
904 return Mcd1Data;
905 else
906 return NULL;
907}
908
909size_t retro_get_memory_size(unsigned id)
910{
911 if (id == RETRO_MEMORY_SAVE_RAM)
912 return MCD_SIZE;
913 else
914 return 0;
915}
916
917void retro_reset(void)
918{
919 SysReset();
920}
921
922static const unsigned short retro_psx_map[] = {
923 [RETRO_DEVICE_ID_JOYPAD_B] = 1 << DKEY_CROSS,
924 [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << DKEY_SQUARE,
925 [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT,
926 [RETRO_DEVICE_ID_JOYPAD_START] = 1 << DKEY_START,
927 [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << DKEY_UP,
928 [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << DKEY_DOWN,
929 [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << DKEY_LEFT,
930 [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << DKEY_RIGHT,
931 [RETRO_DEVICE_ID_JOYPAD_A] = 1 << DKEY_CIRCLE,
932 [RETRO_DEVICE_ID_JOYPAD_X] = 1 << DKEY_TRIANGLE,
933 [RETRO_DEVICE_ID_JOYPAD_L] = 1 << DKEY_L1,
934 [RETRO_DEVICE_ID_JOYPAD_R] = 1 << DKEY_R1,
935 [RETRO_DEVICE_ID_JOYPAD_L2] = 1 << DKEY_L2,
936 [RETRO_DEVICE_ID_JOYPAD_R2] = 1 << DKEY_R2,
937 [RETRO_DEVICE_ID_JOYPAD_L3] = 1 << DKEY_L3,
938 [RETRO_DEVICE_ID_JOYPAD_R3] = 1 << DKEY_R3,
939};
940#define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
941
942static void update_variables(bool in_flight)
943{
944 struct retro_variable var;
945
946 var.value = NULL;
947 var.key = "frameskip";
948
949 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
950 pl_rearmed_cbs.frameskip = atoi(var.value);
951
952 var.value = NULL;
953 var.key = "region";
954
955 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
956 {
957 Config.PsxAuto = 0;
958 if (strcmp(var.value, "Automatic") == 0)
959 Config.PsxAuto = 1;
960 else if (strcmp(var.value, "NTSC") == 0)
961 Config.PsxType = 0;
962 else if (strcmp(var.value, "PAL") == 0)
963 Config.PsxType = 1;
964 }
965
966 var.value = NULL;
967 var.key = "pad1type";
968
969 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
970 {
971 in_type1 = PSE_PAD_TYPE_STANDARD;
972 if (strcmp(var.value, "analog") == 0)
973 in_type1 = PSE_PAD_TYPE_ANALOGPAD;
974 }
975
976#ifdef __ARM_NEON__
977 var.value = "NULL";
978 var.key = "pcsx_rearmed_neon_interlace_enable";
979
980 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
981 {
982 if (strcmp(var.value, "disabled") == 0)
983 pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
984 else if (strcmp(var.value, "enabled") == 0)
985 pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
986 }
987
988 var.value = NULL;
989 var.key = "pcsx_rearmed_neon_enhancement_enable";
990
991 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
992 {
993 if (strcmp(var.value, "disabled") == 0)
994 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
995 else if (strcmp(var.value, "enabled") == 0)
996 pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
997 }
998
999 var.value = NULL;
1000 var.key = "pcsx_rearmed_neon_enhancement_no_main";
1001
1002 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1003 {
1004 if (strcmp(var.value, "disabled") == 0)
1005 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
1006 else if (strcmp(var.value, "enabled") == 0)
1007 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1;
1008 }
1009#endif
1010
1011 var.value = "NULL";
1012 var.key = "pcsx_rearmed_duping_enable";
1013
1014 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1015 {
1016 if (strcmp(var.value, "off") == 0)
1017 duping_enable = false;
1018 else if (strcmp(var.value, "on") == 0)
1019 duping_enable = true;
1020 }
1021
1022#ifndef DRC_DISABLE
1023 var.value = NULL;
1024 var.key = "rearmed_drc";
1025
1026 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1027 {
1028 R3000Acpu *prev_cpu = psxCpu;
1029
1030 if (strcmp(var.value, "disabled") == 0)
1031 Config.Cpu = CPU_INTERPRETER;
1032 else if (strcmp(var.value, "enabled") == 0)
1033 Config.Cpu = CPU_DYNAREC;
1034
1035 psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
1036 if (psxCpu != prev_cpu) {
1037 prev_cpu->Shutdown();
1038 psxCpu->Init();
1039 psxCpu->Reset(); // not really a reset..
1040 }
1041 }
1042#endif
1043
1044 if (in_flight) {
1045 // inform core things about possible config changes
1046 plugin_call_rearmed_cbs();
1047
1048 if (GPU_open != NULL && GPU_close != NULL) {
1049 GPU_close();
1050 GPU_open(&gpuDisp, "PCSX", NULL);
1051 }
1052
1053 dfinput_activate();
1054 }
1055}
1056
1057void retro_run(void)
1058{
1059 int i;
1060
1061 input_poll_cb();
1062
1063 bool updated = false;
1064 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
1065 update_variables(true);
1066
1067 in_keystate = 0;
1068 for (i = 0; i < RETRO_PSX_MAP_LEN; i++)
1069 if (input_state_cb(1, RETRO_DEVICE_JOYPAD, 0, i))
1070 in_keystate |= retro_psx_map[i];
1071 in_keystate <<= 16;
1072 for (i = 0; i < RETRO_PSX_MAP_LEN; i++)
1073 if (input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, i))
1074 in_keystate |= retro_psx_map[i];
1075
1076 if (in_type1 == PSE_PAD_TYPE_ANALOGPAD)
1077 {
1078 in_a1[0] = (input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X) / 256) + 128;
1079 in_a1[1] = (input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y) / 256) + 128;
1080 in_a2[0] = (input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X) / 256) + 128;
1081 in_a2[1] = (input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y) / 256) + 128;
1082 }
1083
1084 stop = 0;
1085 psxCpu->Execute();
1086
1087 video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf : NULL,
1088 vout_width, vout_height, vout_width * 2);
1089 vout_fb_dirty = 0;
1090}
1091
1092static bool try_use_bios(const char *path)
1093{
1094 FILE *f;
1095 long size;
1096 const char *name;
1097
1098 f = fopen(path, "rb");
1099 if (f == NULL)
1100 return false;
1101
1102 fseek(f, 0, SEEK_END);
1103 size = ftell(f);
1104 fclose(f);
1105
1106 if (size != 512 * 1024)
1107 return false;
1108
1109 name = strrchr(path, SLASH);
1110 if (name++ == NULL)
1111 name = path;
1112 snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
1113 return true;
1114}
1115
1116#if 1
1117#include <sys/types.h>
1118#include <dirent.h>
1119
1120static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
1121{
1122 DIR *dir;
1123 struct dirent *ent;
1124 bool ret = false;
1125
1126 dir = opendir(dirpath);
1127 if (dir == NULL)
1128 return false;
1129
1130 while ((ent = readdir(dir))) {
1131 if (strncasecmp(ent->d_name, "scph", 4) != 0)
1132 continue;
1133
1134 snprintf(path, path_size, "%s/%s", dirpath, ent->d_name);
1135 ret = try_use_bios(path);
1136 if (ret)
1137 break;
1138 }
1139 closedir(dir);
1140 return ret;
1141}
1142#else
1143#define find_any_bios(...) false
1144#endif
1145
1146static void check_system_specs(void)
1147{
1148 unsigned level = 6;
1149 environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
1150}
1151
1152void retro_init(void)
1153{
1154 const char *bios[] = { "scph1001", "scph5501", "scph7001" };
1155 const char *dir;
1156 char path[256];
1157 int i, ret, level;
1158 bool found_bios = false;
1159
1160 ret = emu_core_preinit();
1161 ret |= emu_core_init();
1162 if (ret != 0) {
1163 SysPrintf("PCSX init failed.\n");
1164 exit(1);
1165 }
1166
1167#if defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L)
1168 posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
1169#else
1170 vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
1171#endif
1172
1173 if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
1174 {
1175 snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s/", dir);
1176
1177 for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++) {
1178 snprintf(path, sizeof(path), "%s/%s.bin", dir, bios[i]);
1179 found_bios = try_use_bios(path);
1180 if (found_bios)
1181 break;
1182 }
1183
1184 if (!found_bios)
1185 found_bios = find_any_bios(dir, path, sizeof(path));
1186 }
1187 if (found_bios) {
1188 SysPrintf("found BIOS file: %s\n", Config.Bios);
1189 }
1190 else
1191 {
1192 SysPrintf("no BIOS files found.\n");
1193 struct retro_message msg =
1194 {
1195 "no BIOS found, expect bugs!",
1196 180
1197 };
1198 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, (void*)&msg);
1199 }
1200
1201 level = 1;
1202 environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
1203
1204 environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
1205 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
1206
1207 /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
1208 * we have to do this because cache misses and some IO penalties
1209 * are not emulated. Warning: changing this may break compatibility. */
1210#ifdef __ARM_ARCH_7A__
1211 cycle_multiplier = 175;
1212#else
1213 cycle_multiplier = 200;
1214#endif
1215
1216 McdDisable[0] = 0;
1217 McdDisable[1] = 1;
1218 init_memcard(Mcd1Data);
1219
1220 SaveFuncs.open = save_open;
1221 SaveFuncs.read = save_read;
1222 SaveFuncs.write = save_write;
1223 SaveFuncs.seek = save_seek;
1224 SaveFuncs.close = save_close;
1225
1226 update_variables(false);
1227 check_system_specs();
1228}
1229
1230void retro_deinit(void)
1231{
1232 SysClose();
1233 free(vout_buf);
1234 vout_buf = NULL;
1235}
ARM optimized PCSX fork