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libretro: Check 'environ_cb' in controller setters
[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
32#ifdef _3DS
33#include "3ds/3ds_utils.h"
34#endif
35
36#define PORTS_NUMBER 8
37
38static retro_video_refresh_t video_cb;
39static retro_input_poll_t input_poll_cb;
40static retro_input_state_t input_state_cb;
41static retro_environment_t environ_cb;
42static retro_audio_sample_batch_t audio_batch_cb;
43static struct retro_rumble_interface rumble;
44
45static void *vout_buf;
46static int vout_width, vout_height;
47static int vout_doffs_old, vout_fb_dirty;
48static bool vout_can_dupe;
49static bool duping_enable;
50
51static int plugins_opened;
52static int is_pal_mode;
53
54/* memory card data */
55extern char Mcd1Data[MCD_SIZE];
56extern char McdDisable[2];
57
58/* PCSX ReARMed core calls and stuff */
59int in_type[8] = { PSE_PAD_TYPE_STANDARD, PSE_PAD_TYPE_STANDARD,
60 PSE_PAD_TYPE_STANDARD, PSE_PAD_TYPE_STANDARD,
61 PSE_PAD_TYPE_STANDARD, PSE_PAD_TYPE_STANDARD,
62 PSE_PAD_TYPE_STANDARD, PSE_PAD_TYPE_STANDARD };
63int in_analog_left[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
64int in_analog_right[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
65unsigned short in_keystate[PORTS_NUMBER];
66int multitap1 = 0;
67int multitap2 = 0;
68int in_enable_vibration = 1;
69
70/* PSX max resolution is 640x512, but with enhancement it's 1024x512 */
71#define VOUT_MAX_WIDTH 1024
72#define VOUT_MAX_HEIGHT 512
73
74static void init_memcard(char *mcd_data)
75{
76 unsigned off = 0;
77 unsigned i;
78
79 memset(mcd_data, 0, MCD_SIZE);
80
81 mcd_data[off++] = 'M';
82 mcd_data[off++] = 'C';
83 off += 0x7d;
84 mcd_data[off++] = 0x0e;
85
86 for (i = 0; i < 15; i++) {
87 mcd_data[off++] = 0xa0;
88 off += 0x07;
89 mcd_data[off++] = 0xff;
90 mcd_data[off++] = 0xff;
91 off += 0x75;
92 mcd_data[off++] = 0xa0;
93 }
94
95 for (i = 0; i < 20; i++) {
96 mcd_data[off++] = 0xff;
97 mcd_data[off++] = 0xff;
98 mcd_data[off++] = 0xff;
99 mcd_data[off++] = 0xff;
100 off += 0x04;
101 mcd_data[off++] = 0xff;
102 mcd_data[off++] = 0xff;
103 off += 0x76;
104 }
105}
106
107static int vout_open(void)
108{
109 return 0;
110}
111
112static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
113{
114 vout_width = w;
115 vout_height = h;
116}
117
118#ifndef FRONTEND_SUPPORTS_RGB565
119static void convert(void *buf, size_t bytes)
120{
121 unsigned int i, v, *p = buf;
122
123 for (i = 0; i < bytes / 4; i++) {
124 v = p[i];
125 p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0);
126 }
127}
128#endif
129
130static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
131{
132 unsigned short *dest = vout_buf;
133 const unsigned short *src = vram;
134 int dstride = vout_width, h1 = h;
135 int doffs;
136
137 if (vram == NULL) {
138 // blanking
139 memset(vout_buf, 0, dstride * h * 2);
140 goto out;
141 }
142
143 doffs = (vout_height - h) * dstride;
144 doffs += (dstride - w) / 2 & ~1;
145 if (doffs != vout_doffs_old) {
146 // clear borders
147 memset(vout_buf, 0, dstride * h * 2);
148 vout_doffs_old = doffs;
149 }
150 dest += doffs;
151
152 if (bgr24)
153 {
154 // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here?
155 for (; h1-- > 0; dest += dstride, src += stride)
156 {
157 bgr888_to_rgb565(dest, src, w * 3);
158 }
159 }
160 else
161 {
162 for (; h1-- > 0; dest += dstride, src += stride)
163 {
164 bgr555_to_rgb565(dest, src, w * 2);
165 }
166 }
167
168out:
169#ifndef FRONTEND_SUPPORTS_RGB565
170 convert(vout_buf, vout_width * vout_height * 2);
171#endif
172 vout_fb_dirty = 1;
173 pl_rearmed_cbs.flip_cnt++;
174}
175
176static void vout_close(void)
177{
178}
179
180#ifdef _3DS
181typedef struct
182{
183 void* buffer;
184 uint32_t target_map;
185 size_t size;
186 enum psxMapTag tag;
187}psx_map_t;
188
189psx_map_t custom_psx_maps[] = {
190 {NULL, 0x13000000, 0x210000, MAP_TAG_RAM}, // 0x80000000
191 {NULL, 0x12800000, 0x010000, MAP_TAG_OTHER}, // 0x1f800000
192 {NULL, 0x12c00000, 0x080000, MAP_TAG_OTHER}, // 0x1fc00000
193 {NULL, 0x11000000, 0x800000, MAP_TAG_LUTS}, // 0x08000000
194 {NULL, 0x12000000, 0x200000, MAP_TAG_VRAM}, // 0x00000000
195};
196
197void* pl_3ds_mmap(unsigned long addr, size_t size, int is_fixed,
198 enum psxMapTag tag)
199{
200 (void)is_fixed;
201 (void)addr;
202
203 if (__ctr_svchax)
204 {
205 psx_map_t* custom_map = custom_psx_maps;
206
207 for (; custom_map->size; custom_map++)
208 {
209 if ((custom_map->size == size) && (custom_map->tag == tag))
210 {
211 uint32_t ptr_aligned, tmp;
212
213 custom_map->buffer = malloc(size + 0x1000);
214 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
215
216 if(svcControlMemory(&tmp, (void*)custom_map->target_map, (void*)ptr_aligned, size, MEMOP_MAP, 0x3) < 0)
217 {
218 SysPrintf("could not map memory @0x%08X\n", custom_map->target_map);
219 exit(1);
220 }
221
222 return (void*)custom_map->target_map;
223 }
224 }
225 }
226
227 return malloc(size);
228}
229
230void pl_3ds_munmap(void *ptr, size_t size, enum psxMapTag tag)
231{
232 (void)tag;
233
234 if (__ctr_svchax)
235 {
236 psx_map_t* custom_map = custom_psx_maps;
237
238 for (; custom_map->size; custom_map++)
239 {
240 if ((custom_map->target_map == (uint32_t)ptr))
241 {
242 uint32_t ptr_aligned, tmp;
243
244 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
245
246 svcControlMemory(&tmp, (void*)custom_map->target_map, (void*)ptr_aligned, size, MEMOP_UNMAP, 0x3);
247
248 free(custom_map->buffer);
249 custom_map->buffer = NULL;
250 return;
251 }
252 }
253 }
254
255 free(ptr);
256}
257#endif
258
259static void *pl_mmap(unsigned int size)
260{
261 return psxMap(0, size, 0, MAP_TAG_VRAM);
262}
263
264static void pl_munmap(void *ptr, unsigned int size)
265{
266 psxUnmap(ptr, size, MAP_TAG_VRAM);
267}
268
269struct rearmed_cbs pl_rearmed_cbs = {
270 .pl_vout_open = vout_open,
271 .pl_vout_set_mode = vout_set_mode,
272 .pl_vout_flip = vout_flip,
273 .pl_vout_close = vout_close,
274 .mmap = pl_mmap,
275 .munmap = pl_munmap,
276 /* from psxcounters */
277 .gpu_hcnt = &hSyncCount,
278 .gpu_frame_count = &frame_counter,
279};
280
281void pl_frame_limit(void)
282{
283 /* called once per frame, make psxCpu->Execute() above return */
284 stop = 1;
285}
286
287void pl_timing_prepare(int is_pal)
288{
289 is_pal_mode = is_pal;
290}
291
292void plat_trigger_vibrate(int pad, int low, int high)
293{
294 rumble.set_rumble_state(pad, RETRO_RUMBLE_STRONG, high << 8);
295 rumble.set_rumble_state(pad, RETRO_RUMBLE_WEAK, low ? 0xffff : 0x0);
296}
297
298void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in)
299{
300}
301
302/* sound calls */
303static int snd_init(void)
304{
305 return 0;
306}
307
308static void snd_finish(void)
309{
310}
311
312static int snd_busy(void)
313{
314 return 0;
315}
316
317static void snd_feed(void *buf, int bytes)
318{
319 if (audio_batch_cb != NULL)
320 audio_batch_cb(buf, bytes / 4);
321}
322
323void out_register_libretro(struct out_driver *drv)
324{
325 drv->name = "libretro";
326 drv->init = snd_init;
327 drv->finish = snd_finish;
328 drv->busy = snd_busy;
329 drv->feed = snd_feed;
330}
331
332/* libretro */
333void retro_set_environment(retro_environment_t cb)
334{
335 static const struct retro_variable vars[] = {
336 { "pcsx_rearmed_frameskip", "Frameskip; 0|1|2|3" },
337 { "pcsx_rearmed_region", "Region; Auto|NTSC|PAL" },
338 { "pcsx_rearmed_pad1type", "Pad 1 Type; default|none|standard|analog|negcon" },
339 { "pcsx_rearmed_pad2type", "Pad 2 Type; default|none|standard|analog|negcon" },
340 { "pcsx_rearmed_pad3type", "Pad 3 Type; default|none|standard|analog|negcon" },
341 { "pcsx_rearmed_pad4type", "Pad 4 Type; default|none|standard|analog|negcon" },
342 { "pcsx_rearmed_pad5type", "Pad 5 Type; default|none|standard|analog|negcon" },
343 { "pcsx_rearmed_pad6type", "Pad 6 Type; default|none|standard|analog|negcon" },
344 { "pcsx_rearmed_pad7type", "Pad 7 Type; default|none|standard|analog|negcon" },
345 { "pcsx_rearmed_pad8type", "Pad 8 Type; default|none|standard|analog|negcon" },
346 { "pcsx_rearmed_multitap1", "Multitap 1; auto|disabled|enabled" },
347 { "pcsx_rearmed_multitap2", "Multitap 2; auto|disabled|enabled" },
348#ifndef DRC_DISABLE
349 { "pcsx_rearmed_drc", "Dynamic recompiler; enabled|disabled" },
350#endif
351#ifdef __ARM_NEON__
352 { "pcsx_rearmed_neon_interlace_enable", "Enable interlacing mode(s); disabled|enabled" },
353 { "pcsx_rearmed_neon_enhancement_enable", "Enhanced resolution (slow); disabled|enabled" },
354 { "pcsx_rearmed_neon_enhancement_no_main", "Enhanced resolution speed hack; disabled|enabled" },
355#endif
356 { "pcsx_rearmed_duping_enable", "Frame duping; on|off" },
357 { "pcsx_rearmed_spu_reverb", "Sound: Reverb; on|off" },
358 { "pcsx_rearmed_spu_interpolation", "Sound: Interpolation; simple|gaussian|cubic|off" },
359 { "pcsx_rearmed_pe2_fix", "Parasite Eve 2/Vandal Hearts 1/2 Fix; disabled|enabled" },
360 { "pcsx_rearmed_inuyasha_fix", "InuYasha Sengoku Battle Fix; disabled|enabled" },
361 { NULL, NULL },
362 };
363
364 environ_cb = cb;
365
366 cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void*)vars);
367}
368
369void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
370void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
371void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
372void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
373void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
374
375unsigned retro_api_version(void)
376{
377 return RETRO_API_VERSION;
378}
379
380static void update_controller_port_device(unsigned port, unsigned device)
381{
382 if (port >= PORTS_NUMBER)
383 return;
384
385 struct retro_variable var;
386 int default_case = 0;
387
388 var.value = NULL;
389 switch (port) {
390 case 0:
391 var.key = "pcsx_rearmed_pad1type";
392 break;
393 case 1:
394 var.key = "pcsx_rearmed_pad2type";
395 break;
396 case 2:
397 var.key = "pcsx_rearmed_pad3type";
398 break;
399 case 3:
400 var.key = "pcsx_rearmed_pad4type";
401 break;
402 case 4:
403 var.key = "pcsx_rearmed_pad5type";
404 break;
405 case 5:
406 var.key = "pcsx_rearmed_pad6type";
407 break;
408 case 6:
409 var.key = "pcsx_rearmed_pad7type";
410 break;
411 case 7:
412 var.key = "pcsx_rearmed_pad8type";
413 break;
414 }
415
416 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value))
417 {
418 if (strcmp(var.value, "standard") == 0)
419 in_type[0] = PSE_PAD_TYPE_STANDARD;
420 else if (strcmp(var.value, "analog") == 0)
421 in_type[0] = PSE_PAD_TYPE_ANALOGPAD;
422 else if (strcmp(var.value, "negcon") == 0)
423 in_type[0] = PSE_PAD_TYPE_NEGCON;
424 else if (strcmp(var.value, "none") == 0)
425 in_type[0] = PSE_PAD_TYPE_NONE;
426 else // 'default' case
427 default_case = 1;
428 }
429 else
430 default_case = 1;
431
432 if (default_case)
433 switch (device)
434 {
435 case RETRO_DEVICE_JOYPAD:
436 in_type[port] = PSE_PAD_TYPE_STANDARD;
437 break;
438 case RETRO_DEVICE_ANALOG:
439 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
440 break;
441 case RETRO_DEVICE_MOUSE:
442 in_type[port] = PSE_PAD_TYPE_MOUSE;
443 break;
444 case RETRO_DEVICE_LIGHTGUN:
445 in_type[port] = PSE_PAD_TYPE_GUN;
446 break;
447 case RETRO_DEVICE_NONE:
448 default:
449 in_type[port] = PSE_PAD_TYPE_NONE;
450 }
451}
452
453static void update_multitap()
454{
455 struct retro_variable var;
456 int auto_case;
457
458 var.value = NULL;
459 var.key = "pcsx_rearmed_multitap1";
460 auto_case = 0;
461 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value))
462 {
463 if (strcmp(var.value, "enabled") == 0)
464 multitap1 = 1;
465 else if (strcmp(var.value, "disabled") == 0)
466 multitap1 = 0;
467 else // 'auto' case
468 auto_case = 1;
469 }
470 else
471 auto_case == 1;
472
473 if (auto_case)
474 {
475 // If a gamepad is plugged after port 2, we need a first multitap.
476 multitap1 = 0;
477 for (int port = 2; port < PORTS_NUMBER; port++)
478 multitap1 |= in_type[port] != PSE_PAD_TYPE_NONE;
479 }
480
481 var.value = NULL;
482 var.key = "pcsx_rearmed_multitap2";
483 auto_case = 0;
484 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value))
485 {
486 if (strcmp(var.value, "enabled") == 0)
487 multitap2 = 1;
488 else if (strcmp(var.value, "disabled") == 0)
489 multitap2 = 0;
490 else // 'auto' case
491 auto_case = 1;
492 }
493 else
494 auto_case == 1;
495
496 if (auto_case)
497 {
498 // If a gamepad is plugged after port 4, we need a second multitap.
499 multitap2 = 0;
500 for (int port = 4; port < PORTS_NUMBER; port++)
501 multitap2 |= in_type[port] != PSE_PAD_TYPE_NONE;
502 }
503}
504
505void retro_set_controller_port_device(unsigned port, unsigned device)
506{
507 SysPrintf("port %u device %u",port,device);
508
509 if (port >= PORTS_NUMBER)
510 return;
511
512 update_controller_port_device(port, device);
513 update_multitap();
514}
515
516void retro_get_system_info(struct retro_system_info *info)
517{
518 memset(info, 0, sizeof(*info));
519 info->library_name = "PCSX-ReARMed";
520 info->library_version = "r22";
521 info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u";
522 info->need_fullpath = true;
523}
524
525void retro_get_system_av_info(struct retro_system_av_info *info)
526{
527 memset(info, 0, sizeof(*info));
528 info->timing.fps = is_pal_mode ? 50 : 60;
529 info->timing.sample_rate = 44100;
530 info->geometry.base_width = 320;
531 info->geometry.base_height = 240;
532 info->geometry.max_width = VOUT_MAX_WIDTH;
533 info->geometry.max_height = VOUT_MAX_HEIGHT;
534 info->geometry.aspect_ratio = 4.0 / 3.0;
535}
536
537/* savestates */
538size_t retro_serialize_size(void)
539{
540 // it's currently 4380651-4397047 bytes,
541 // but have some reserved for future
542 return 0x440000;
543}
544
545struct save_fp {
546 char *buf;
547 size_t pos;
548 int is_write;
549};
550
551static void *save_open(const char *name, const char *mode)
552{
553 struct save_fp *fp;
554
555 if (name == NULL || mode == NULL)
556 return NULL;
557
558 fp = malloc(sizeof(*fp));
559 if (fp == NULL)
560 return NULL;
561
562 fp->buf = (char *)name;
563 fp->pos = 0;
564 fp->is_write = (mode[0] == 'w' || mode[1] == 'w');
565
566 return fp;
567}
568
569static int save_read(void *file, void *buf, u32 len)
570{
571 struct save_fp *fp = file;
572 if (fp == NULL || buf == NULL)
573 return -1;
574
575 memcpy(buf, fp->buf + fp->pos, len);
576 fp->pos += len;
577 return len;
578}
579
580static int save_write(void *file, const void *buf, u32 len)
581{
582 struct save_fp *fp = file;
583 if (fp == NULL || buf == NULL)
584 return -1;
585
586 memcpy(fp->buf + fp->pos, buf, len);
587 fp->pos += len;
588 return len;
589}
590
591static long save_seek(void *file, long offs, int whence)
592{
593 struct save_fp *fp = file;
594 if (fp == NULL)
595 return -1;
596
597 switch (whence) {
598 case SEEK_CUR:
599 fp->pos += offs;
600 return fp->pos;
601 case SEEK_SET:
602 fp->pos = offs;
603 return fp->pos;
604 default:
605 return -1;
606 }
607}
608
609static void save_close(void *file)
610{
611 struct save_fp *fp = file;
612 size_t r_size = retro_serialize_size();
613 if (fp == NULL)
614 return;
615
616 if (fp->pos > r_size)
617 SysPrintf("ERROR: save buffer overflow detected\n");
618 else if (fp->is_write && fp->pos < r_size)
619 // make sure we don't save trash in leftover space
620 memset(fp->buf + fp->pos, 0, r_size - fp->pos);
621 free(fp);
622}
623
624bool retro_serialize(void *data, size_t size)
625{
626 int ret = SaveState(data);
627 return ret == 0 ? true : false;
628}
629
630bool retro_unserialize(const void *data, size_t size)
631{
632 int ret = LoadState(data);
633 return ret == 0 ? true : false;
634}
635
636/* cheats */
637void retro_cheat_reset(void)
638{
639 ClearAllCheats();
640}
641
642void retro_cheat_set(unsigned index, bool enabled, const char *code)
643{
644 char buf[256];
645 int ret;
646
647 // cheat funcs are destructive, need a copy..
648 strncpy(buf, code, sizeof(buf));
649 buf[sizeof(buf) - 1] = 0;
650
651 if (index < NumCheats)
652 ret = EditCheat(index, "", buf);
653 else
654 ret = AddCheat("", buf);
655
656 if (ret != 0)
657 SysPrintf("Failed to set cheat %#u\n", index);
658 else if (index < NumCheats)
659 Cheats[index].Enabled = enabled;
660}
661
662/* multidisk support */
663static bool disk_ejected;
664static unsigned int disk_current_index;
665static unsigned int disk_count;
666static struct disks_state {
667 char *fname;
668 int internal_index; // for multidisk eboots
669} disks[8];
670
671static bool disk_set_eject_state(bool ejected)
672{
673 // weird PCSX API..
674 SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2));
675 LidInterrupt();
676
677 disk_ejected = ejected;
678 return true;
679}
680
681static bool disk_get_eject_state(void)
682{
683 /* can't be controlled by emulated software */
684 return disk_ejected;
685}
686
687static unsigned int disk_get_image_index(void)
688{
689 return disk_current_index;
690}
691
692static bool disk_set_image_index(unsigned int index)
693{
694 if (index >= sizeof(disks) / sizeof(disks[0]))
695 return false;
696
697 CdromId[0] = '\0';
698 CdromLabel[0] = '\0';
699
700 if (disks[index].fname == NULL) {
701 SysPrintf("missing disk #%u\n", index);
702 CDR_shutdown();
703
704 // RetroArch specifies "no disk" with index == count,
705 // so don't fail here..
706 disk_current_index = index;
707 return true;
708 }
709
710 SysPrintf("switching to disk %u: \"%s\" #%d\n", index,
711 disks[index].fname, disks[index].internal_index);
712
713 cdrIsoMultidiskSelect = disks[index].internal_index;
714 set_cd_image(disks[index].fname);
715 if (ReloadCdromPlugin() < 0) {
716 SysPrintf("failed to load cdr plugin\n");
717 return false;
718 }
719 if (CDR_open() < 0) {
720 SysPrintf("failed to open cdr plugin\n");
721 return false;
722 }
723
724 if (!disk_ejected) {
725 SetCdOpenCaseTime(time(NULL) + 2);
726 LidInterrupt();
727 }
728
729 disk_current_index = index;
730 return true;
731}
732
733static unsigned int disk_get_num_images(void)
734{
735 return disk_count;
736}
737
738static bool disk_replace_image_index(unsigned index,
739 const struct retro_game_info *info)
740{
741 char *old_fname;
742 bool ret = true;
743
744 if (index >= sizeof(disks) / sizeof(disks[0]))
745 return false;
746
747 old_fname = disks[index].fname;
748 disks[index].fname = NULL;
749 disks[index].internal_index = 0;
750
751 if (info != NULL) {
752 disks[index].fname = strdup(info->path);
753 if (index == disk_current_index)
754 ret = disk_set_image_index(index);
755 }
756
757 if (old_fname != NULL)
758 free(old_fname);
759
760 return ret;
761}
762
763static bool disk_add_image_index(void)
764{
765 if (disk_count >= 8)
766 return false;
767
768 disk_count++;
769 return true;
770}
771
772static struct retro_disk_control_callback disk_control = {
773 .set_eject_state = disk_set_eject_state,
774 .get_eject_state = disk_get_eject_state,
775 .get_image_index = disk_get_image_index,
776 .set_image_index = disk_set_image_index,
777 .get_num_images = disk_get_num_images,
778 .replace_image_index = disk_replace_image_index,
779 .add_image_index = disk_add_image_index,
780};
781
782// just in case, maybe a win-rt port in the future?
783#ifdef _WIN32
784#define SLASH '\\'
785#else
786#define SLASH '/'
787#endif
788
789static char base_dir[PATH_MAX];
790
791static bool read_m3u(const char *file)
792{
793 char line[PATH_MAX];
794 char name[PATH_MAX];
795 FILE *f = fopen(file, "r");
796 if (!f)
797 return false;
798
799 while (fgets(line, sizeof(line), f) && disk_count < sizeof(disks) / sizeof(disks[0])) {
800 if (line[0] == '#')
801 continue;
802 char *carrige_return = strchr(line, '\r');
803 if (carrige_return)
804 *carrige_return = '\0';
805 char *newline = strchr(line, '\n');
806 if (newline)
807 *newline = '\0';
808
809 if (line[0] != '\0')
810 {
811 snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
812 disks[disk_count++].fname = strdup(name);
813 }
814 }
815
816 fclose(f);
817 return (disk_count != 0);
818}
819
820static void extract_directory(char *buf, const char *path, size_t size)
821{
822 char *base;
823 strncpy(buf, path, size - 1);
824 buf[size - 1] = '\0';
825
826 base = strrchr(buf, '/');
827 if (!base)
828 base = strrchr(buf, '\\');
829
830 if (base)
831 *base = '\0';
832 else
833 {
834 buf[0] = '.';
835 buf[1] = '\0';
836 }
837}
838
839#if defined(__QNX__) || defined(_WIN32)
840/* Blackberry QNX doesn't have strcasestr */
841
842/*
843 * Find the first occurrence of find in s, ignore case.
844 */
845char *
846strcasestr(const char *s, const char*find)
847{
848 char c, sc;
849 size_t len;
850
851 if ((c = *find++) != 0) {
852 c = tolower((unsigned char)c);
853 len = strlen(find);
854 do {
855 do {
856 if ((sc = *s++) == 0)
857 return (NULL);
858 } while ((char)tolower((unsigned char)sc) != c);
859 } while (strncasecmp(s, find, len) != 0);
860 s--;
861 }
862 return ((char *)s);
863}
864#endif
865
866bool retro_load_game(const struct retro_game_info *info)
867{
868 size_t i;
869 bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
870
871 struct retro_input_descriptor desc[] = {
872 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
873 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
874 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
875 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
876 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
877 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
878 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
879 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
880 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
881 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
882 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
883 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
884 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
885 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
886 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
887 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
888 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
889 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
890 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
891 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
892
893
894 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
895 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
896 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
897 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
898 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
899 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
900 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
901 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
902 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
903 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
904 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
905 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
906 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
907 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
908 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
909 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
910 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
911 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
912 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
913 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
914
915 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
916 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
917 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
918 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
919 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
920 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
921 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
922 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
923 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
924 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
925 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
926 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
927 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
928 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
929 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
930 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
931 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
932 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
933 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
934 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
935
936 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
937 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
938 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
939 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
940 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
941 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
942 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
943 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
944 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
945 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
946 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
947 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
948 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
949 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
950 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
951 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
952 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
953 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
954 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
955 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
956
957 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
958 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
959 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
960 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
961 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
962 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
963 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
964 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
965 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
966 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
967 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
968 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
969 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
970 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
971 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
972 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
973 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
974 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
975 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
976 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
977
978 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
979 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
980 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
981 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
982 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
983 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
984 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
985 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
986 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
987 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
988 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
989 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
990 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
991 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
992 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
993 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
994 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
995 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
996 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
997 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
998
999 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1000 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1001 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1002 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1003 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1004 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1005 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1006 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1007 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1008 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1009 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1010 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1011 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1012 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1013 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1014 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1015 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1016 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1017 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1018 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1019
1020 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1021 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1022 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1023 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1024 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1025 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1026 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1027 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1028 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1029 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1030 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1031 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1032 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1033 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1034 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1035 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1036 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1037 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1038 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1039 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1040
1041 { 0 },
1042 };
1043
1044 environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
1045
1046#ifdef FRONTEND_SUPPORTS_RGB565
1047 enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
1048 if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) {
1049 SysPrintf("RGB565 supported, using it\n");
1050 }
1051#endif
1052
1053 if (info == NULL || info->path == NULL) {
1054 SysPrintf("info->path required\n");
1055 return false;
1056 }
1057
1058 if (plugins_opened) {
1059 ClosePlugins();
1060 plugins_opened = 0;
1061 }
1062
1063 for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++) {
1064 if (disks[i].fname != NULL) {
1065 free(disks[i].fname);
1066 disks[i].fname = NULL;
1067 }
1068 disks[i].internal_index = 0;
1069 }
1070
1071 disk_current_index = 0;
1072 extract_directory(base_dir, info->path, sizeof(base_dir));
1073
1074 if (is_m3u) {
1075 if (!read_m3u(info->path)) {
1076 SysPrintf("failed to read m3u file\n");
1077 return false;
1078 }
1079 } else {
1080 disk_count = 1;
1081 disks[0].fname = strdup(info->path);
1082 }
1083
1084 set_cd_image(disks[0].fname);
1085
1086 /* have to reload after set_cd_image for correct cdr plugin */
1087 if (LoadPlugins() == -1) {
1088 SysPrintf("failed to load plugins\n");
1089 return false;
1090 }
1091
1092 plugins_opened = 1;
1093 NetOpened = 0;
1094
1095 if (OpenPlugins() == -1) {
1096 SysPrintf("failed to open plugins\n");
1097 return false;
1098 }
1099
1100 plugin_call_rearmed_cbs();
1101 dfinput_activate();
1102
1103 Config.PsxAuto = 1;
1104 if (CheckCdrom() == -1) {
1105 SysPrintf("unsupported/invalid CD image: %s\n", info->path);
1106 return false;
1107 }
1108
1109 SysReset();
1110
1111 if (LoadCdrom() == -1) {
1112 SysPrintf("could not load CD-ROM!\n");
1113 return false;
1114 }
1115 emu_on_new_cd(0);
1116
1117 // multidisk images
1118 if (!is_m3u) {
1119 disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8;
1120 for (i = 1; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++) {
1121 disks[i].fname = strdup(info->path);
1122 disks[i].internal_index = i;
1123 }
1124 }
1125
1126 return true;
1127}
1128
1129bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info)
1130{
1131 return false;
1132}
1133
1134void retro_unload_game(void)
1135{
1136}
1137
1138unsigned retro_get_region(void)
1139{
1140 return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
1141}
1142
1143void *retro_get_memory_data(unsigned id)
1144{
1145 if (id == RETRO_MEMORY_SAVE_RAM)
1146 return Mcd1Data;
1147 else
1148 return NULL;
1149}
1150
1151size_t retro_get_memory_size(unsigned id)
1152{
1153 if (id == RETRO_MEMORY_SAVE_RAM)
1154 return MCD_SIZE;
1155 else
1156 return 0;
1157}
1158
1159void retro_reset(void)
1160{
1161 SysReset();
1162}
1163
1164static const unsigned short retro_psx_map[] = {
1165 [RETRO_DEVICE_ID_JOYPAD_B] = 1 << DKEY_CROSS,
1166 [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << DKEY_SQUARE,
1167 [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT,
1168 [RETRO_DEVICE_ID_JOYPAD_START] = 1 << DKEY_START,
1169 [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << DKEY_UP,
1170 [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << DKEY_DOWN,
1171 [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << DKEY_LEFT,
1172 [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << DKEY_RIGHT,
1173 [RETRO_DEVICE_ID_JOYPAD_A] = 1 << DKEY_CIRCLE,
1174 [RETRO_DEVICE_ID_JOYPAD_X] = 1 << DKEY_TRIANGLE,
1175 [RETRO_DEVICE_ID_JOYPAD_L] = 1 << DKEY_L1,
1176 [RETRO_DEVICE_ID_JOYPAD_R] = 1 << DKEY_R1,
1177 [RETRO_DEVICE_ID_JOYPAD_L2] = 1 << DKEY_L2,
1178 [RETRO_DEVICE_ID_JOYPAD_R2] = 1 << DKEY_R2,
1179 [RETRO_DEVICE_ID_JOYPAD_L3] = 1 << DKEY_L3,
1180 [RETRO_DEVICE_ID_JOYPAD_R3] = 1 << DKEY_R3,
1181};
1182#define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
1183
1184static void update_variables(bool in_flight)
1185{
1186 struct retro_variable var;
1187
1188 var.value = NULL;
1189 var.key = "pcsx_rearmed_frameskip";
1190 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1191 pl_rearmed_cbs.frameskip = atoi(var.value);
1192
1193 var.value = NULL;
1194 var.key = "pcsx_rearmed_region";
1195 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1196 {
1197 Config.PsxAuto = 0;
1198 if (strcmp(var.value, "Automatic") == 0)
1199 Config.PsxAuto = 1;
1200 else if (strcmp(var.value, "NTSC") == 0)
1201 Config.PsxType = 0;
1202 else if (strcmp(var.value, "PAL") == 0)
1203 Config.PsxType = 1;
1204 }
1205
1206 for (int i = 0; i < PORTS_NUMBER; i++)
1207 update_controller_port_device(i, RETRO_DEVICE_NONE);
1208
1209 update_multitap();
1210
1211#ifdef __ARM_NEON__
1212 var.value = "NULL";
1213 var.key = "pcsx_rearmed_neon_interlace_enable";
1214
1215 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1216 {
1217 if (strcmp(var.value, "disabled") == 0)
1218 pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
1219 else if (strcmp(var.value, "enabled") == 0)
1220 pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
1221 }
1222
1223 var.value = NULL;
1224 var.key = "pcsx_rearmed_neon_enhancement_enable";
1225
1226 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1227 {
1228 if (strcmp(var.value, "disabled") == 0)
1229 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
1230 else if (strcmp(var.value, "enabled") == 0)
1231 pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
1232 }
1233
1234 var.value = NULL;
1235 var.key = "pcsx_rearmed_neon_enhancement_no_main";
1236
1237 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1238 {
1239 if (strcmp(var.value, "disabled") == 0)
1240 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
1241 else if (strcmp(var.value, "enabled") == 0)
1242 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1;
1243 }
1244#endif
1245
1246 var.value = "NULL";
1247 var.key = "pcsx_rearmed_duping_enable";
1248
1249 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1250 {
1251 if (strcmp(var.value, "off") == 0)
1252 duping_enable = false;
1253 else if (strcmp(var.value, "on") == 0)
1254 duping_enable = true;
1255 }
1256
1257#ifndef DRC_DISABLE
1258 var.value = NULL;
1259 var.key = "pcsx_rearmed_drc";
1260
1261 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1262 {
1263 R3000Acpu *prev_cpu = psxCpu;
1264
1265#ifdef _3DS
1266 if(!__ctr_svchax)
1267 Config.Cpu = CPU_INTERPRETER;
1268 else
1269#endif
1270 if (strcmp(var.value, "disabled") == 0)
1271 Config.Cpu = CPU_INTERPRETER;
1272 else if (strcmp(var.value, "enabled") == 0)
1273 Config.Cpu = CPU_DYNAREC;
1274
1275 psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
1276 if (psxCpu != prev_cpu) {
1277 prev_cpu->Shutdown();
1278 psxCpu->Init();
1279 psxCpu->Reset(); // not really a reset..
1280 }
1281 }
1282#endif
1283
1284 var.value = "NULL";
1285 var.key = "pcsx_rearmed_spu_reverb";
1286
1287 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1288 {
1289 if (strcmp(var.value, "off") == 0)
1290 spu_config.iUseReverb = false;
1291 else if (strcmp(var.value, "on") == 0)
1292 spu_config.iUseReverb = true;
1293 }
1294
1295 var.value = "NULL";
1296 var.key = "pcsx_rearmed_spu_interpolation";
1297
1298 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1299 {
1300 if (strcmp(var.value, "simple") == 0)
1301 spu_config.iUseInterpolation = 1;
1302 else if (strcmp(var.value, "gaussian") == 0)
1303 spu_config.iUseInterpolation = 2;
1304 else if (strcmp(var.value, "cubic") == 0)
1305 spu_config.iUseInterpolation = 3;
1306 else if (strcmp(var.value, "off") == 0)
1307 spu_config.iUseInterpolation = 0;
1308 }
1309
1310 var.value = "NULL";
1311 var.key = "pcsx_rearmed_pe2_fix";
1312
1313 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1314 {
1315 if (strcmp(var.value, "disabled") == 0)
1316 Config.RCntFix = 0;
1317 else if (strcmp(var.value, "enabled") == 0)
1318 Config.RCntFix = 1;
1319 }
1320
1321 var.value = "NULL";
1322 var.key = "pcsx_rearmed_inuyasha_fix";
1323
1324 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1325 {
1326 if (strcmp(var.value, "disabled") == 0)
1327 Config.VSyncWA = 0;
1328 else if (strcmp(var.value, "enabled") == 0)
1329 Config.VSyncWA = 1;
1330 }
1331
1332 if (in_flight) {
1333 // inform core things about possible config changes
1334 plugin_call_rearmed_cbs();
1335
1336 if (GPU_open != NULL && GPU_close != NULL) {
1337 GPU_close();
1338 GPU_open(&gpuDisp, "PCSX", NULL);
1339 }
1340
1341 dfinput_activate();
1342 }
1343}
1344
1345void retro_run(void)
1346{
1347 int i;
1348
1349 input_poll_cb();
1350
1351 bool updated = false;
1352 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
1353 update_variables(true);
1354
1355 // reset all keystate, query libretro for keystate
1356 int j;
1357 for(i = 0; i < PORTS_NUMBER; i++) {
1358 in_keystate[i] = 0;
1359
1360 if (in_type[i] == PSE_PAD_TYPE_NONE)
1361 continue;
1362
1363 // query libretro for keystate
1364 for (j = 0; j < RETRO_PSX_MAP_LEN; j++)
1365 if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, j))
1366 in_keystate[i] |= retro_psx_map[j];
1367
1368 if (in_type[i] == PSE_PAD_TYPE_ANALOGPAD)
1369 {
1370 in_analog_left[i][0] = (input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X) / 256) + 128;
1371 in_analog_left[i][1] = (input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y) / 256) + 128;
1372 in_analog_right[i][0] = (input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X) / 256) + 128;
1373 in_analog_right[i][1] = (input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y) / 256) + 128;
1374 }
1375 }
1376
1377 stop = 0;
1378 psxCpu->Execute();
1379
1380 video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf : NULL,
1381 vout_width, vout_height, vout_width * 2);
1382 vout_fb_dirty = 0;
1383}
1384
1385static bool try_use_bios(const char *path)
1386{
1387 FILE *f;
1388 long size;
1389 const char *name;
1390
1391 f = fopen(path, "rb");
1392 if (f == NULL)
1393 return false;
1394
1395 fseek(f, 0, SEEK_END);
1396 size = ftell(f);
1397 fclose(f);
1398
1399 if (size != 512 * 1024)
1400 return false;
1401
1402 name = strrchr(path, SLASH);
1403 if (name++ == NULL)
1404 name = path;
1405 snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
1406 return true;
1407}
1408
1409#ifndef VITA
1410#include <sys/types.h>
1411#include <dirent.h>
1412
1413static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
1414{
1415 DIR *dir;
1416 struct dirent *ent;
1417 bool ret = false;
1418
1419 dir = opendir(dirpath);
1420 if (dir == NULL)
1421 return false;
1422
1423 while ((ent = readdir(dir))) {
1424 if (strncasecmp(ent->d_name, "scph", 4) != 0)
1425 continue;
1426
1427 snprintf(path, path_size, "%s/%s", dirpath, ent->d_name);
1428 ret = try_use_bios(path);
1429 if (ret)
1430 break;
1431 }
1432 closedir(dir);
1433 return ret;
1434}
1435#else
1436#define find_any_bios(...) false
1437#endif
1438
1439static void check_system_specs(void)
1440{
1441 unsigned level = 6;
1442 environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
1443}
1444
1445void retro_init(void)
1446{
1447 const char *bios[] = { "scph1001", "scph5501", "scph7001" };
1448 const char *dir;
1449 char path[256];
1450 int i, ret;
1451 bool found_bios = false;
1452
1453#ifdef _3DS
1454 psxMapHook = pl_3ds_mmap;
1455 psxUnmapHook = pl_3ds_munmap;
1456#endif
1457 ret = emu_core_preinit();
1458#ifdef _3DS
1459 /* emu_core_preinit sets the cpu to dynarec */
1460 if(!__ctr_svchax)
1461 Config.Cpu = CPU_INTERPRETER;
1462#endif
1463 ret |= emu_core_init();
1464 if (ret != 0) {
1465 SysPrintf("PCSX init failed.\n");
1466 exit(1);
1467 }
1468
1469#ifdef _3DS
1470 vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
1471#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && !defined(VITA)
1472 posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
1473#else
1474 vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
1475#endif
1476
1477 if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
1478 {
1479 snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s", dir);
1480
1481 for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++) {
1482 snprintf(path, sizeof(path), "%s/%s.bin", dir, bios[i]);
1483 found_bios = try_use_bios(path);
1484 if (found_bios)
1485 break;
1486 }
1487
1488 if (!found_bios)
1489 found_bios = find_any_bios(dir, path, sizeof(path));
1490 }
1491 if (found_bios) {
1492 SysPrintf("found BIOS file: %s\n", Config.Bios);
1493 }
1494 else
1495 {
1496 SysPrintf("no BIOS files found.\n");
1497 struct retro_message msg =
1498 {
1499 "no BIOS found, expect bugs!",
1500 180
1501 };
1502 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, (void*)&msg);
1503 }
1504
1505 environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
1506 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
1507 environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble);
1508
1509 /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
1510 * we have to do this because cache misses and some IO penalties
1511 * are not emulated. Warning: changing this may break compatibility. */
1512 cycle_multiplier = 175;
1513#ifdef HAVE_PRE_ARMV7
1514 cycle_multiplier = 200;
1515#endif
1516 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
1517 spu_config.iUseFixedUpdates = 1;
1518
1519 McdDisable[0] = 0;
1520 McdDisable[1] = 1;
1521 init_memcard(Mcd1Data);
1522
1523 SaveFuncs.open = save_open;
1524 SaveFuncs.read = save_read;
1525 SaveFuncs.write = save_write;
1526 SaveFuncs.seek = save_seek;
1527 SaveFuncs.close = save_close;
1528
1529 update_variables(false);
1530 check_system_specs();
1531}
1532
1533void retro_deinit(void)
1534{
1535 SysClose();
1536#ifdef _3DS
1537 linearFree(vout_buf);
1538#else
1539 free(vout_buf);
1540#endif
1541 vout_buf = NULL;
1542}
1543
1544#ifdef VITA
1545#include <psp2/kernel/threadmgr.h>
1546int usleep (unsigned long us)
1547{
1548 sceKernelDelayThread(us);
1549}
1550#endif
ARM optimized PCSX fork