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Merge pull request #81 from joolswills/dynarec_enable
[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
36#ifdef _3DS
37#include "3ds/3ds_utils.h"
38#endif
39
40#define PORTS_NUMBER 8
41
42static retro_video_refresh_t video_cb;
43static retro_input_poll_t input_poll_cb;
44static retro_input_state_t input_state_cb;
45static retro_environment_t environ_cb;
46static retro_audio_sample_batch_t audio_batch_cb;
47static struct retro_rumble_interface rumble;
48
49static void *vout_buf;
50static void * vout_buf_ptr;
51static int vout_width, vout_height;
52static int vout_doffs_old, vout_fb_dirty;
53static bool vout_can_dupe;
54static bool duping_enable;
55
56static int plugins_opened;
57static int is_pal_mode;
58
59/* memory card data */
60extern char Mcd1Data[MCD_SIZE];
61extern char McdDisable[2];
62
63/* PCSX ReARMed core calls and stuff */
64int in_type[8] = { PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
65 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
66 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
67 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE };
68int in_analog_left[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
69int in_analog_right[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
70unsigned short in_keystate[PORTS_NUMBER];
71int multitap1 = 0;
72int multitap2 = 0;
73int in_enable_vibration = 1;
74
75/* PSX max resolution is 640x512, but with enhancement it's 1024x512 */
76#define VOUT_MAX_WIDTH 1024
77#define VOUT_MAX_HEIGHT 512
78
79static void init_memcard(char *mcd_data)
80{
81 unsigned off = 0;
82 unsigned i;
83
84 memset(mcd_data, 0, MCD_SIZE);
85
86 mcd_data[off++] = 'M';
87 mcd_data[off++] = 'C';
88 off += 0x7d;
89 mcd_data[off++] = 0x0e;
90
91 for (i = 0; i < 15; i++) {
92 mcd_data[off++] = 0xa0;
93 off += 0x07;
94 mcd_data[off++] = 0xff;
95 mcd_data[off++] = 0xff;
96 off += 0x75;
97 mcd_data[off++] = 0xa0;
98 }
99
100 for (i = 0; i < 20; i++) {
101 mcd_data[off++] = 0xff;
102 mcd_data[off++] = 0xff;
103 mcd_data[off++] = 0xff;
104 mcd_data[off++] = 0xff;
105 off += 0x04;
106 mcd_data[off++] = 0xff;
107 mcd_data[off++] = 0xff;
108 off += 0x76;
109 }
110}
111
112static int vout_open(void)
113{
114 return 0;
115}
116
117static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
118{
119 vout_width = w;
120 vout_height = h;
121
122 struct retro_framebuffer fb = {0};
123
124 fb.width = vout_width;
125 fb.height = vout_height;
126 fb.access_flags = RETRO_MEMORY_ACCESS_WRITE;
127
128 vout_buf_ptr = vout_buf;
129
130 if (environ_cb(RETRO_ENVIRONMENT_GET_CURRENT_SOFTWARE_FRAMEBUFFER, &fb) && fb.format == RETRO_PIXEL_FORMAT_RGB565)
131 {
132 vout_buf_ptr = (uint16_t*)fb.data;
133 }
134
135}
136
137#ifndef FRONTEND_SUPPORTS_RGB565
138static void convert(void *buf, size_t bytes)
139{
140 unsigned int i, v, *p = buf;
141
142 for (i = 0; i < bytes / 4; i++) {
143 v = p[i];
144 p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0);
145 }
146}
147#endif
148
149static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
150{
151 unsigned short *dest = vout_buf_ptr;
152 const unsigned short *src = vram;
153 int dstride = vout_width, h1 = h;
154 int doffs;
155
156 if (vram == NULL) {
157 // blanking
158 memset(vout_buf_ptr, 0, dstride * h * 2);
159 goto out;
160 }
161
162 doffs = (vout_height - h) * dstride;
163 doffs += (dstride - w) / 2 & ~1;
164 if (doffs != vout_doffs_old) {
165 // clear borders
166 memset(vout_buf_ptr, 0, dstride * h * 2);
167 vout_doffs_old = doffs;
168 }
169 dest += doffs;
170
171 if (bgr24)
172 {
173 // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here?
174 for (; h1-- > 0; dest += dstride, src += stride)
175 {
176 bgr888_to_rgb565(dest, src, w * 3);
177 }
178 }
179 else
180 {
181 for (; h1-- > 0; dest += dstride, src += stride)
182 {
183 bgr555_to_rgb565(dest, src, w * 2);
184 }
185 }
186
187out:
188#ifndef FRONTEND_SUPPORTS_RGB565
189 convert(vout_buf_ptr, vout_width * vout_height * 2);
190#endif
191 vout_fb_dirty = 1;
192 pl_rearmed_cbs.flip_cnt++;
193}
194
195static void vout_close(void)
196{
197}
198
199#ifdef _3DS
200typedef struct
201{
202 void* buffer;
203 uint32_t target_map;
204 size_t size;
205 enum psxMapTag tag;
206}psx_map_t;
207
208psx_map_t custom_psx_maps[] = {
209 {NULL, 0x13000000, 0x210000, MAP_TAG_RAM}, // 0x80000000
210 {NULL, 0x12800000, 0x010000, MAP_TAG_OTHER}, // 0x1f800000
211 {NULL, 0x12c00000, 0x080000, MAP_TAG_OTHER}, // 0x1fc00000
212 {NULL, 0x11000000, 0x800000, MAP_TAG_LUTS}, // 0x08000000
213 {NULL, 0x12000000, 0x200000, MAP_TAG_VRAM}, // 0x00000000
214};
215
216void* pl_3ds_mmap(unsigned long addr, size_t size, int is_fixed,
217 enum psxMapTag tag)
218{
219 (void)is_fixed;
220 (void)addr;
221
222 if (__ctr_svchax)
223 {
224 psx_map_t* custom_map = custom_psx_maps;
225
226 for (; custom_map->size; custom_map++)
227 {
228 if ((custom_map->size == size) && (custom_map->tag == tag))
229 {
230 uint32_t ptr_aligned, tmp;
231
232 custom_map->buffer = malloc(size + 0x1000);
233 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
234
235 if(svcControlMemory(&tmp, (void*)custom_map->target_map, (void*)ptr_aligned, size, MEMOP_MAP, 0x3) < 0)
236 {
237 SysPrintf("could not map memory @0x%08X\n", custom_map->target_map);
238 exit(1);
239 }
240
241 return (void*)custom_map->target_map;
242 }
243 }
244 }
245
246 return malloc(size);
247}
248
249void pl_3ds_munmap(void *ptr, size_t size, enum psxMapTag tag)
250{
251 (void)tag;
252
253 if (__ctr_svchax)
254 {
255 psx_map_t* custom_map = custom_psx_maps;
256
257 for (; custom_map->size; custom_map++)
258 {
259 if ((custom_map->target_map == (uint32_t)ptr))
260 {
261 uint32_t ptr_aligned, tmp;
262
263 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
264
265 svcControlMemory(&tmp, (void*)custom_map->target_map, (void*)ptr_aligned, size, MEMOP_UNMAP, 0x3);
266
267 free(custom_map->buffer);
268 custom_map->buffer = NULL;
269 return;
270 }
271 }
272 }
273
274 free(ptr);
275}
276#endif
277
278#ifdef VITA
279typedef struct
280{
281 void* buffer;
282 uint32_t target_map;
283 size_t size;
284 enum psxMapTag tag;
285}psx_map_t;
286
287void* addr = NULL;
288
289psx_map_t custom_psx_maps[] = {
290 {NULL, NULL, 0x210000, MAP_TAG_RAM}, // 0x80000000
291 {NULL, NULL, 0x010000, MAP_TAG_OTHER}, // 0x1f800000
292 {NULL, NULL, 0x080000, MAP_TAG_OTHER}, // 0x1fc00000
293 {NULL, NULL, 0x800000, MAP_TAG_LUTS}, // 0x08000000
294 {NULL, NULL, 0x200000, MAP_TAG_VRAM}, // 0x00000000
295};
296
297int init_vita_mmap(){
298 int n;
299 void * tmpaddr;
300 addr = malloc(64*1024*1024);
301 if(addr==NULL)
302 return -1;
303 tmpaddr = ((u32)(addr+0xFFFFFF))&~0xFFFFFF;
304 custom_psx_maps[0].buffer=tmpaddr+0x2000000;
305 custom_psx_maps[1].buffer=tmpaddr+0x1800000;
306 custom_psx_maps[2].buffer=tmpaddr+0x1c00000;
307 custom_psx_maps[3].buffer=tmpaddr+0x0000000;
308 custom_psx_maps[4].buffer=tmpaddr+0x1000000;
309#if 0
310 for(n = 0; n < 5; n++){
311 sceClibPrintf("addr reserved %x\n",custom_psx_maps[n].buffer);
312 }
313#endif
314 return 0;
315}
316
317void deinit_vita_mmap(){
318 free(addr);
319}
320
321void* pl_vita_mmap(unsigned long addr, size_t size, int is_fixed,
322 enum psxMapTag tag)
323{
324 (void)is_fixed;
325 (void)addr;
326
327
328 psx_map_t* custom_map = custom_psx_maps;
329
330 for (; custom_map->size; custom_map++)
331 {
332 if ((custom_map->size == size) && (custom_map->tag == tag))
333 {
334 return custom_map->buffer;
335 }
336 }
337
338
339 return malloc(size);
340}
341
342void pl_vita_munmap(void *ptr, size_t size, enum psxMapTag tag)
343{
344 (void)tag;
345
346 psx_map_t* custom_map = custom_psx_maps;
347
348 for (; custom_map->size; custom_map++)
349 {
350 if ((custom_map->buffer == ptr))
351 {
352 return;
353 }
354 }
355
356 free(ptr);
357}
358#endif
359
360static void *pl_mmap(unsigned int size)
361{
362 return psxMap(0, size, 0, MAP_TAG_VRAM);
363}
364
365static void pl_munmap(void *ptr, unsigned int size)
366{
367 psxUnmap(ptr, size, MAP_TAG_VRAM);
368}
369
370struct rearmed_cbs pl_rearmed_cbs = {
371 .pl_vout_open = vout_open,
372 .pl_vout_set_mode = vout_set_mode,
373 .pl_vout_flip = vout_flip,
374 .pl_vout_close = vout_close,
375 .mmap = pl_mmap,
376 .munmap = pl_munmap,
377 /* from psxcounters */
378 .gpu_hcnt = &hSyncCount,
379 .gpu_frame_count = &frame_counter,
380};
381
382void pl_frame_limit(void)
383{
384 /* called once per frame, make psxCpu->Execute() above return */
385 stop = 1;
386}
387
388void pl_timing_prepare(int is_pal)
389{
390 is_pal_mode = is_pal;
391}
392
393void plat_trigger_vibrate(int pad, int low, int high)
394{
395 rumble.set_rumble_state(pad, RETRO_RUMBLE_STRONG, high << 8);
396 rumble.set_rumble_state(pad, RETRO_RUMBLE_WEAK, low ? 0xffff : 0x0);
397}
398
399void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in)
400{
401}
402
403/* sound calls */
404static int snd_init(void)
405{
406 return 0;
407}
408
409static void snd_finish(void)
410{
411}
412
413static int snd_busy(void)
414{
415 return 0;
416}
417
418static void snd_feed(void *buf, int bytes)
419{
420 if (audio_batch_cb != NULL)
421 audio_batch_cb(buf, bytes / 4);
422}
423
424void out_register_libretro(struct out_driver *drv)
425{
426 drv->name = "libretro";
427 drv->init = snd_init;
428 drv->finish = snd_finish;
429 drv->busy = snd_busy;
430 drv->feed = snd_feed;
431}
432
433/* libretro */
434void retro_set_environment(retro_environment_t cb)
435{
436 static const struct retro_variable vars[] = {
437 { "pcsx_rearmed_frameskip", "Frameskip; 0|1|2|3" },
438 { "pcsx_rearmed_region", "Region; Auto|NTSC|PAL" },
439 { "pcsx_rearmed_pad1type", "Pad 1 Type; default|none|standard|analog|negcon" },
440 { "pcsx_rearmed_pad2type", "Pad 2 Type; default|none|standard|analog|negcon" },
441 { "pcsx_rearmed_pad3type", "Pad 3 Type; default|none|standard|analog|negcon" },
442 { "pcsx_rearmed_pad4type", "Pad 4 Type; default|none|standard|analog|negcon" },
443 { "pcsx_rearmed_pad5type", "Pad 5 Type; default|none|standard|analog|negcon" },
444 { "pcsx_rearmed_pad6type", "Pad 6 Type; default|none|standard|analog|negcon" },
445 { "pcsx_rearmed_pad7type", "Pad 7 Type; default|none|standard|analog|negcon" },
446 { "pcsx_rearmed_pad8type", "Pad 8 Type; default|none|standard|analog|negcon" },
447 { "pcsx_rearmed_multitap1", "Multitap 1; auto|disabled|enabled" },
448 { "pcsx_rearmed_multitap2", "Multitap 2; auto|disabled|enabled" },
449#ifndef DRC_DISABLE
450 { "pcsx_rearmed_drc", "Dynamic recompiler; enabled|disabled" },
451#endif
452#ifdef __ARM_NEON__
453 { "pcsx_rearmed_neon_interlace_enable", "Enable interlacing mode(s); disabled|enabled" },
454 { "pcsx_rearmed_neon_enhancement_enable", "Enhanced resolution (slow); disabled|enabled" },
455 { "pcsx_rearmed_neon_enhancement_no_main", "Enhanced resolution speed hack; disabled|enabled" },
456#endif
457 { "pcsx_rearmed_duping_enable", "Frame duping; on|off" },
458 { "pcsx_rearmed_spu_reverb", "Sound: Reverb; on|off" },
459 { "pcsx_rearmed_spu_interpolation", "Sound: Interpolation; simple|gaussian|cubic|off" },
460 { "pcsx_rearmed_pe2_fix", "Parasite Eve 2/Vandal Hearts 1/2 Fix; disabled|enabled" },
461 { "pcsx_rearmed_inuyasha_fix", "InuYasha Sengoku Battle Fix; disabled|enabled" },
462 { NULL, NULL },
463 };
464
465 environ_cb = cb;
466
467 cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void*)vars);
468}
469
470void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
471void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
472void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
473void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
474void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
475
476unsigned retro_api_version(void)
477{
478 return RETRO_API_VERSION;
479}
480
481static int controller_port_variable(unsigned port, struct retro_variable *var)
482{
483 if (port >= PORTS_NUMBER)
484 return 0;
485
486 if (!environ_cb)
487 return 0;
488
489 var->value = NULL;
490 switch (port) {
491 case 0:
492 var->key = "pcsx_rearmed_pad1type";
493 break;
494 case 1:
495 var->key = "pcsx_rearmed_pad2type";
496 break;
497 case 2:
498 var->key = "pcsx_rearmed_pad3type";
499 break;
500 case 3:
501 var->key = "pcsx_rearmed_pad4type";
502 break;
503 case 4:
504 var->key = "pcsx_rearmed_pad5type";
505 break;
506 case 5:
507 var->key = "pcsx_rearmed_pad6type";
508 break;
509 case 6:
510 var->key = "pcsx_rearmed_pad7type";
511 break;
512 case 7:
513 var->key = "pcsx_rearmed_pad8type";
514 break;
515 }
516
517 return environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, var) || var->value;
518}
519
520static void update_controller_port_variable(unsigned port)
521{
522 if (port >= PORTS_NUMBER)
523 return;
524
525 struct retro_variable var;
526
527 if (controller_port_variable(port, &var))
528 {
529 if (strcmp(var.value, "standard") == 0)
530 in_type[0] = PSE_PAD_TYPE_STANDARD;
531 else if (strcmp(var.value, "analog") == 0)
532 in_type[0] = PSE_PAD_TYPE_ANALOGPAD;
533 else if (strcmp(var.value, "negcon") == 0)
534 in_type[0] = PSE_PAD_TYPE_NEGCON;
535 else if (strcmp(var.value, "none") == 0)
536 in_type[0] = PSE_PAD_TYPE_NONE;
537 // else 'default' case, do nothing
538 }
539}
540
541static void update_controller_port_device(unsigned port, unsigned device)
542{
543 if (port >= PORTS_NUMBER)
544 return;
545
546 struct retro_variable var;
547
548 if (!controller_port_variable(port, &var))
549 return;
550
551 if (strcmp(var.value, "default") != 0)
552 return;
553
554 switch (device)
555 {
556 case RETRO_DEVICE_JOYPAD:
557 in_type[port] = PSE_PAD_TYPE_STANDARD;
558 break;
559 case RETRO_DEVICE_ANALOG:
560 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
561 break;
562 case RETRO_DEVICE_MOUSE:
563 in_type[port] = PSE_PAD_TYPE_MOUSE;
564 break;
565 case RETRO_DEVICE_LIGHTGUN:
566 in_type[port] = PSE_PAD_TYPE_GUN;
567 break;
568 case RETRO_DEVICE_NONE:
569 default:
570 in_type[port] = PSE_PAD_TYPE_NONE;
571 }
572}
573
574static void update_multitap()
575{
576 struct retro_variable var;
577 int auto_case, port;
578
579 var.value = NULL;
580 var.key = "pcsx_rearmed_multitap1";
581 auto_case = 0;
582 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value))
583 {
584 if (strcmp(var.value, "enabled") == 0)
585 multitap1 = 1;
586 else if (strcmp(var.value, "disabled") == 0)
587 multitap1 = 0;
588 else // 'auto' case
589 auto_case = 1;
590 }
591 else
592 auto_case = 1;
593
594 if (auto_case)
595 {
596 // If a gamepad is plugged after port 2, we need a first multitap.
597 multitap1 = 0;
598 for (port = 2; port < PORTS_NUMBER; port++)
599 multitap1 |= in_type[port] != PSE_PAD_TYPE_NONE;
600 }
601
602 var.value = NULL;
603 var.key = "pcsx_rearmed_multitap2";
604 auto_case = 0;
605 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value))
606 {
607 if (strcmp(var.value, "enabled") == 0)
608 multitap2 = 1;
609 else if (strcmp(var.value, "disabled") == 0)
610 multitap2 = 0;
611 else // 'auto' case
612 auto_case = 1;
613 }
614 else
615 auto_case = 1;
616
617 if (auto_case)
618 {
619 // If a gamepad is plugged after port 4, we need a second multitap.
620 multitap2 = 0;
621 for (port = 4; port < PORTS_NUMBER; port++)
622 multitap2 |= in_type[port] != PSE_PAD_TYPE_NONE;
623 }
624}
625
626void retro_set_controller_port_device(unsigned port, unsigned device)
627{
628 SysPrintf("port %u device %u",port,device);
629
630 if (port >= PORTS_NUMBER)
631 return;
632
633 update_controller_port_device(port, device);
634 update_multitap();
635}
636
637void retro_get_system_info(struct retro_system_info *info)
638{
639 memset(info, 0, sizeof(*info));
640 info->library_name = "PCSX-ReARMed";
641 info->library_version = "r22";
642 info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u";
643 info->need_fullpath = true;
644}
645
646void retro_get_system_av_info(struct retro_system_av_info *info)
647{
648 memset(info, 0, sizeof(*info));
649 info->timing.fps = is_pal_mode ? 50 : 60;
650 info->timing.sample_rate = 44100;
651 info->geometry.base_width = 320;
652 info->geometry.base_height = 240;
653 info->geometry.max_width = VOUT_MAX_WIDTH;
654 info->geometry.max_height = VOUT_MAX_HEIGHT;
655 info->geometry.aspect_ratio = 4.0 / 3.0;
656}
657
658/* savestates */
659size_t retro_serialize_size(void)
660{
661 // it's currently 4380651-4397047 bytes,
662 // but have some reserved for future
663 return 0x440000;
664}
665
666struct save_fp {
667 char *buf;
668 size_t pos;
669 int is_write;
670};
671
672static void *save_open(const char *name, const char *mode)
673{
674 struct save_fp *fp;
675
676 if (name == NULL || mode == NULL)
677 return NULL;
678
679 fp = malloc(sizeof(*fp));
680 if (fp == NULL)
681 return NULL;
682
683 fp->buf = (char *)name;
684 fp->pos = 0;
685 fp->is_write = (mode[0] == 'w' || mode[1] == 'w');
686
687 return fp;
688}
689
690static int save_read(void *file, void *buf, u32 len)
691{
692 struct save_fp *fp = file;
693 if (fp == NULL || buf == NULL)
694 return -1;
695
696 memcpy(buf, fp->buf + fp->pos, len);
697 fp->pos += len;
698 return len;
699}
700
701static int save_write(void *file, const void *buf, u32 len)
702{
703 struct save_fp *fp = file;
704 if (fp == NULL || buf == NULL)
705 return -1;
706
707 memcpy(fp->buf + fp->pos, buf, len);
708 fp->pos += len;
709 return len;
710}
711
712static long save_seek(void *file, long offs, int whence)
713{
714 struct save_fp *fp = file;
715 if (fp == NULL)
716 return -1;
717
718 switch (whence) {
719 case SEEK_CUR:
720 fp->pos += offs;
721 return fp->pos;
722 case SEEK_SET:
723 fp->pos = offs;
724 return fp->pos;
725 default:
726 return -1;
727 }
728}
729
730static void save_close(void *file)
731{
732 struct save_fp *fp = file;
733 size_t r_size = retro_serialize_size();
734 if (fp == NULL)
735 return;
736
737 if (fp->pos > r_size)
738 SysPrintf("ERROR: save buffer overflow detected\n");
739 else if (fp->is_write && fp->pos < r_size)
740 // make sure we don't save trash in leftover space
741 memset(fp->buf + fp->pos, 0, r_size - fp->pos);
742 free(fp);
743}
744
745bool retro_serialize(void *data, size_t size)
746{
747 int ret = SaveState(data);
748 return ret == 0 ? true : false;
749}
750
751bool retro_unserialize(const void *data, size_t size)
752{
753 int ret = LoadState(data);
754 return ret == 0 ? true : false;
755}
756
757/* cheats */
758void retro_cheat_reset(void)
759{
760 ClearAllCheats();
761}
762
763void retro_cheat_set(unsigned index, bool enabled, const char *code)
764{
765 char buf[256];
766 int ret;
767
768 // cheat funcs are destructive, need a copy..
769 strncpy(buf, code, sizeof(buf));
770 buf[sizeof(buf) - 1] = 0;
771
772 if (index < NumCheats)
773 ret = EditCheat(index, "", buf);
774 else
775 ret = AddCheat("", buf);
776
777 if (ret != 0)
778 SysPrintf("Failed to set cheat %#u\n", index);
779 else if (index < NumCheats)
780 Cheats[index].Enabled = enabled;
781}
782
783/* multidisk support */
784static bool disk_ejected;
785static unsigned int disk_current_index;
786static unsigned int disk_count;
787static struct disks_state {
788 char *fname;
789 int internal_index; // for multidisk eboots
790} disks[8];
791
792static bool disk_set_eject_state(bool ejected)
793{
794 // weird PCSX API..
795 SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2));
796 LidInterrupt();
797
798 disk_ejected = ejected;
799 return true;
800}
801
802static bool disk_get_eject_state(void)
803{
804 /* can't be controlled by emulated software */
805 return disk_ejected;
806}
807
808static unsigned int disk_get_image_index(void)
809{
810 return disk_current_index;
811}
812
813static bool disk_set_image_index(unsigned int index)
814{
815 if (index >= sizeof(disks) / sizeof(disks[0]))
816 return false;
817
818 CdromId[0] = '\0';
819 CdromLabel[0] = '\0';
820
821 if (disks[index].fname == NULL) {
822 SysPrintf("missing disk #%u\n", index);
823 CDR_shutdown();
824
825 // RetroArch specifies "no disk" with index == count,
826 // so don't fail here..
827 disk_current_index = index;
828 return true;
829 }
830
831 SysPrintf("switching to disk %u: \"%s\" #%d\n", index,
832 disks[index].fname, disks[index].internal_index);
833
834 cdrIsoMultidiskSelect = disks[index].internal_index;
835 set_cd_image(disks[index].fname);
836 if (ReloadCdromPlugin() < 0) {
837 SysPrintf("failed to load cdr plugin\n");
838 return false;
839 }
840 if (CDR_open() < 0) {
841 SysPrintf("failed to open cdr plugin\n");
842 return false;
843 }
844
845 if (!disk_ejected) {
846 SetCdOpenCaseTime(time(NULL) + 2);
847 LidInterrupt();
848 }
849
850 disk_current_index = index;
851 return true;
852}
853
854static unsigned int disk_get_num_images(void)
855{
856 return disk_count;
857}
858
859static bool disk_replace_image_index(unsigned index,
860 const struct retro_game_info *info)
861{
862 char *old_fname;
863 bool ret = true;
864
865 if (index >= sizeof(disks) / sizeof(disks[0]))
866 return false;
867
868 old_fname = disks[index].fname;
869 disks[index].fname = NULL;
870 disks[index].internal_index = 0;
871
872 if (info != NULL) {
873 disks[index].fname = strdup(info->path);
874 if (index == disk_current_index)
875 ret = disk_set_image_index(index);
876 }
877
878 if (old_fname != NULL)
879 free(old_fname);
880
881 return ret;
882}
883
884static bool disk_add_image_index(void)
885{
886 if (disk_count >= 8)
887 return false;
888
889 disk_count++;
890 return true;
891}
892
893static struct retro_disk_control_callback disk_control = {
894 .set_eject_state = disk_set_eject_state,
895 .get_eject_state = disk_get_eject_state,
896 .get_image_index = disk_get_image_index,
897 .set_image_index = disk_set_image_index,
898 .get_num_images = disk_get_num_images,
899 .replace_image_index = disk_replace_image_index,
900 .add_image_index = disk_add_image_index,
901};
902
903// just in case, maybe a win-rt port in the future?
904#ifdef _WIN32
905#define SLASH '\\'
906#else
907#define SLASH '/'
908#endif
909
910static char base_dir[PATH_MAX];
911
912static bool read_m3u(const char *file)
913{
914 char line[PATH_MAX];
915 char name[PATH_MAX];
916 FILE *f = fopen(file, "r");
917 if (!f)
918 return false;
919
920 while (fgets(line, sizeof(line), f) && disk_count < sizeof(disks) / sizeof(disks[0])) {
921 if (line[0] == '#')
922 continue;
923 char *carrige_return = strchr(line, '\r');
924 if (carrige_return)
925 *carrige_return = '\0';
926 char *newline = strchr(line, '\n');
927 if (newline)
928 *newline = '\0';
929
930 if (line[0] != '\0')
931 {
932 snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
933 disks[disk_count++].fname = strdup(name);
934 }
935 }
936
937 fclose(f);
938 return (disk_count != 0);
939}
940
941static void extract_directory(char *buf, const char *path, size_t size)
942{
943 char *base;
944 strncpy(buf, path, size - 1);
945 buf[size - 1] = '\0';
946
947 base = strrchr(buf, '/');
948 if (!base)
949 base = strrchr(buf, '\\');
950
951 if (base)
952 *base = '\0';
953 else
954 {
955 buf[0] = '.';
956 buf[1] = '\0';
957 }
958}
959
960#if defined(__QNX__) || defined(_WIN32)
961/* Blackberry QNX doesn't have strcasestr */
962
963/*
964 * Find the first occurrence of find in s, ignore case.
965 */
966char *
967strcasestr(const char *s, const char*find)
968{
969 char c, sc;
970 size_t len;
971
972 if ((c = *find++) != 0) {
973 c = tolower((unsigned char)c);
974 len = strlen(find);
975 do {
976 do {
977 if ((sc = *s++) == 0)
978 return (NULL);
979 } while ((char)tolower((unsigned char)sc) != c);
980 } while (strncasecmp(s, find, len) != 0);
981 s--;
982 }
983 return ((char *)s);
984}
985#endif
986
987bool retro_load_game(const struct retro_game_info *info)
988{
989 size_t i;
990 bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
991
992 struct retro_input_descriptor desc[] = {
993 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
994 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
995 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
996 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
997 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
998 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
999 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1000 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1001 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1002 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1003 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1004 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1005 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1006 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1007 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1008 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1009 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1010 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1011 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1012 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1013
1014
1015 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1016 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1017 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1018 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1019 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1020 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1021 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1022 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1023 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1024 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1025 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1026 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1027 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1028 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1029 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1030 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1031 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1032 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1033 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1034 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1035
1036 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1037 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1038 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1039 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1040 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1041 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1042 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1043 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1044 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1045 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1046 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1047 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1048 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1049 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1050 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1051 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1052 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1053 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1054 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1055 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1056
1057 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1058 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1059 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1060 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1061 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1062 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1063 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1064 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1065 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1066 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1067 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1068 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1069 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1070 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1071 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1072 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1073 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1074 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1075 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1076 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1077
1078 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1079 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1080 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1081 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1082 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1083 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1084 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1085 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1086 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1087 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1088 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1089 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1090 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1091 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1092 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1093 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1094 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1095 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1096 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1097 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1098
1099 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1100 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1101 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1102 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1103 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1104 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1105 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1106 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1107 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1108 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1109 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1110 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1111 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1112 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1113 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1114 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1115 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1116 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1117 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1118 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1119
1120 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1121 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1122 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1123 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1124 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1125 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1126 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1127 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1128 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1129 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1130 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1131 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1132 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1133 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1134 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1135 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1136 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1137 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1138 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1139 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1140
1141 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1142 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1143 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1144 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1145 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1146 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1147 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1148 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1149 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1150 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1151 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1152 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1153 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1154 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1155 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1156 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1157 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1158 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1159 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1160 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1161
1162 { 0 },
1163 };
1164
1165 environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
1166
1167#ifdef FRONTEND_SUPPORTS_RGB565
1168 enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
1169 if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) {
1170 SysPrintf("RGB565 supported, using it\n");
1171 }
1172#endif
1173
1174 if (info == NULL || info->path == NULL) {
1175 SysPrintf("info->path required\n");
1176 return false;
1177 }
1178
1179 if (plugins_opened) {
1180 ClosePlugins();
1181 plugins_opened = 0;
1182 }
1183
1184 for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++) {
1185 if (disks[i].fname != NULL) {
1186 free(disks[i].fname);
1187 disks[i].fname = NULL;
1188 }
1189 disks[i].internal_index = 0;
1190 }
1191
1192 disk_current_index = 0;
1193 extract_directory(base_dir, info->path, sizeof(base_dir));
1194
1195 if (is_m3u) {
1196 if (!read_m3u(info->path)) {
1197 SysPrintf("failed to read m3u file\n");
1198 return false;
1199 }
1200 } else {
1201 disk_count = 1;
1202 disks[0].fname = strdup(info->path);
1203 }
1204
1205 set_cd_image(disks[0].fname);
1206
1207 /* have to reload after set_cd_image for correct cdr plugin */
1208 if (LoadPlugins() == -1) {
1209 SysPrintf("failed to load plugins\n");
1210 return false;
1211 }
1212
1213 plugins_opened = 1;
1214 NetOpened = 0;
1215
1216 if (OpenPlugins() == -1) {
1217 SysPrintf("failed to open plugins\n");
1218 return false;
1219 }
1220
1221 plugin_call_rearmed_cbs();
1222 dfinput_activate();
1223
1224 Config.PsxAuto = 1;
1225 if (CheckCdrom() == -1) {
1226 SysPrintf("unsupported/invalid CD image: %s\n", info->path);
1227 return false;
1228 }
1229
1230 SysReset();
1231
1232 if (LoadCdrom() == -1) {
1233 SysPrintf("could not load CD-ROM!\n");
1234 return false;
1235 }
1236 emu_on_new_cd(0);
1237
1238 // multidisk images
1239 if (!is_m3u) {
1240 disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8;
1241 for (i = 1; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++) {
1242 disks[i].fname = strdup(info->path);
1243 disks[i].internal_index = i;
1244 }
1245 }
1246
1247 return true;
1248}
1249
1250bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info)
1251{
1252 return false;
1253}
1254
1255void retro_unload_game(void)
1256{
1257}
1258
1259unsigned retro_get_region(void)
1260{
1261 return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
1262}
1263
1264void *retro_get_memory_data(unsigned id)
1265{
1266 if (id == RETRO_MEMORY_SAVE_RAM)
1267 return Mcd1Data;
1268 else
1269 return NULL;
1270}
1271
1272size_t retro_get_memory_size(unsigned id)
1273{
1274 if (id == RETRO_MEMORY_SAVE_RAM)
1275 return MCD_SIZE;
1276 else
1277 return 0;
1278}
1279
1280void retro_reset(void)
1281{
1282 SysReset();
1283}
1284
1285static const unsigned short retro_psx_map[] = {
1286 [RETRO_DEVICE_ID_JOYPAD_B] = 1 << DKEY_CROSS,
1287 [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << DKEY_SQUARE,
1288 [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT,
1289 [RETRO_DEVICE_ID_JOYPAD_START] = 1 << DKEY_START,
1290 [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << DKEY_UP,
1291 [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << DKEY_DOWN,
1292 [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << DKEY_LEFT,
1293 [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << DKEY_RIGHT,
1294 [RETRO_DEVICE_ID_JOYPAD_A] = 1 << DKEY_CIRCLE,
1295 [RETRO_DEVICE_ID_JOYPAD_X] = 1 << DKEY_TRIANGLE,
1296 [RETRO_DEVICE_ID_JOYPAD_L] = 1 << DKEY_L1,
1297 [RETRO_DEVICE_ID_JOYPAD_R] = 1 << DKEY_R1,
1298 [RETRO_DEVICE_ID_JOYPAD_L2] = 1 << DKEY_L2,
1299 [RETRO_DEVICE_ID_JOYPAD_R2] = 1 << DKEY_R2,
1300 [RETRO_DEVICE_ID_JOYPAD_L3] = 1 << DKEY_L3,
1301 [RETRO_DEVICE_ID_JOYPAD_R3] = 1 << DKEY_R3,
1302};
1303#define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
1304
1305static void update_variables(bool in_flight)
1306{
1307 struct retro_variable var;
1308 int i;
1309
1310 var.value = NULL;
1311 var.key = "pcsx_rearmed_frameskip";
1312 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1313 pl_rearmed_cbs.frameskip = atoi(var.value);
1314
1315 var.value = NULL;
1316 var.key = "pcsx_rearmed_region";
1317 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1318 {
1319 Config.PsxAuto = 0;
1320 if (strcmp(var.value, "Automatic") == 0)
1321 Config.PsxAuto = 1;
1322 else if (strcmp(var.value, "NTSC") == 0)
1323 Config.PsxType = 0;
1324 else if (strcmp(var.value, "PAL") == 0)
1325 Config.PsxType = 1;
1326 }
1327
1328 for (i = 0; i < PORTS_NUMBER; i++)
1329 update_controller_port_variable(i);
1330
1331 update_multitap();
1332
1333#ifdef __ARM_NEON__
1334 var.value = "NULL";
1335 var.key = "pcsx_rearmed_neon_interlace_enable";
1336
1337 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1338 {
1339 if (strcmp(var.value, "disabled") == 0)
1340 pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
1341 else if (strcmp(var.value, "enabled") == 0)
1342 pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
1343 }
1344
1345 var.value = NULL;
1346 var.key = "pcsx_rearmed_neon_enhancement_enable";
1347
1348 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1349 {
1350 if (strcmp(var.value, "disabled") == 0)
1351 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
1352 else if (strcmp(var.value, "enabled") == 0)
1353 pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
1354 }
1355
1356 var.value = NULL;
1357 var.key = "pcsx_rearmed_neon_enhancement_no_main";
1358
1359 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1360 {
1361 if (strcmp(var.value, "disabled") == 0)
1362 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
1363 else if (strcmp(var.value, "enabled") == 0)
1364 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1;
1365 }
1366#endif
1367
1368 var.value = "NULL";
1369 var.key = "pcsx_rearmed_duping_enable";
1370
1371 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1372 {
1373 if (strcmp(var.value, "off") == 0)
1374 duping_enable = false;
1375 else if (strcmp(var.value, "on") == 0)
1376 duping_enable = true;
1377 }
1378
1379#ifndef DRC_DISABLE
1380 var.value = NULL;
1381 var.key = "pcsx_rearmed_drc";
1382
1383 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1384 {
1385 R3000Acpu *prev_cpu = psxCpu;
1386
1387#ifdef _3DS
1388 if(!__ctr_svchax)
1389 Config.Cpu = CPU_INTERPRETER;
1390 else
1391#endif
1392 if (strcmp(var.value, "disabled") == 0)
1393 Config.Cpu = CPU_INTERPRETER;
1394 else if (strcmp(var.value, "enabled") == 0)
1395 Config.Cpu = CPU_DYNAREC;
1396
1397 psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
1398 if (psxCpu != prev_cpu) {
1399 prev_cpu->Shutdown();
1400 psxCpu->Init();
1401 psxCpu->Reset(); // not really a reset..
1402 }
1403 }
1404#endif
1405
1406 var.value = "NULL";
1407 var.key = "pcsx_rearmed_spu_reverb";
1408
1409 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1410 {
1411 if (strcmp(var.value, "off") == 0)
1412 spu_config.iUseReverb = false;
1413 else if (strcmp(var.value, "on") == 0)
1414 spu_config.iUseReverb = true;
1415 }
1416
1417 var.value = "NULL";
1418 var.key = "pcsx_rearmed_spu_interpolation";
1419
1420 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1421 {
1422 if (strcmp(var.value, "simple") == 0)
1423 spu_config.iUseInterpolation = 1;
1424 else if (strcmp(var.value, "gaussian") == 0)
1425 spu_config.iUseInterpolation = 2;
1426 else if (strcmp(var.value, "cubic") == 0)
1427 spu_config.iUseInterpolation = 3;
1428 else if (strcmp(var.value, "off") == 0)
1429 spu_config.iUseInterpolation = 0;
1430 }
1431
1432 var.value = "NULL";
1433 var.key = "pcsx_rearmed_pe2_fix";
1434
1435 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1436 {
1437 if (strcmp(var.value, "disabled") == 0)
1438 Config.RCntFix = 0;
1439 else if (strcmp(var.value, "enabled") == 0)
1440 Config.RCntFix = 1;
1441 }
1442
1443 var.value = "NULL";
1444 var.key = "pcsx_rearmed_inuyasha_fix";
1445
1446 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1447 {
1448 if (strcmp(var.value, "disabled") == 0)
1449 Config.VSyncWA = 0;
1450 else if (strcmp(var.value, "enabled") == 0)
1451 Config.VSyncWA = 1;
1452 }
1453
1454 if (in_flight) {
1455 // inform core things about possible config changes
1456 plugin_call_rearmed_cbs();
1457
1458 if (GPU_open != NULL && GPU_close != NULL) {
1459 GPU_close();
1460 GPU_open(&gpuDisp, "PCSX", NULL);
1461 }
1462
1463 dfinput_activate();
1464 }
1465}
1466
1467static int min(int a, int b)
1468{
1469 return a < b ? a : b;
1470}
1471
1472void retro_run(void)
1473{
1474 int i;
1475
1476 input_poll_cb();
1477
1478 bool updated = false;
1479 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
1480 update_variables(true);
1481
1482 // reset all keystate, query libretro for keystate
1483 int j;
1484 for(i = 0; i < PORTS_NUMBER; i++) {
1485 in_keystate[i] = 0;
1486
1487 if (in_type[i] == PSE_PAD_TYPE_NONE)
1488 continue;
1489
1490 // query libretro for keystate
1491 for (j = 0; j < RETRO_PSX_MAP_LEN; j++)
1492 if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, j))
1493 in_keystate[i] |= retro_psx_map[j];
1494
1495 if (in_type[i] == PSE_PAD_TYPE_ANALOGPAD)
1496 {
1497 in_analog_left[i][0] = min((input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X) / 255) + 128, 255);
1498 in_analog_left[i][1] = min((input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y) / 255) + 128, 255);
1499 in_analog_right[i][0] = min((input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X) / 255) + 128, 255);
1500 in_analog_right[i][1] = min((input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y) / 255) + 128, 255);
1501 }
1502 }
1503
1504 stop = 0;
1505 psxCpu->Execute();
1506
1507 video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf_ptr : NULL,
1508 vout_width, vout_height, vout_width * 2);
1509 vout_fb_dirty = 0;
1510}
1511
1512static bool try_use_bios(const char *path)
1513{
1514 FILE *f;
1515 long size;
1516 const char *name;
1517
1518 f = fopen(path, "rb");
1519 if (f == NULL)
1520 return false;
1521
1522 fseek(f, 0, SEEK_END);
1523 size = ftell(f);
1524 fclose(f);
1525
1526 if (size != 512 * 1024)
1527 return false;
1528
1529 name = strrchr(path, SLASH);
1530 if (name++ == NULL)
1531 name = path;
1532 snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
1533 return true;
1534}
1535
1536#ifndef VITA
1537#include <sys/types.h>
1538#include <dirent.h>
1539
1540static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
1541{
1542 DIR *dir;
1543 struct dirent *ent;
1544 bool ret = false;
1545
1546 dir = opendir(dirpath);
1547 if (dir == NULL)
1548 return false;
1549
1550 while ((ent = readdir(dir))) {
1551 if (strncasecmp(ent->d_name, "scph", 4) != 0)
1552 continue;
1553
1554 snprintf(path, path_size, "%s/%s", dirpath, ent->d_name);
1555 ret = try_use_bios(path);
1556 if (ret)
1557 break;
1558 }
1559 closedir(dir);
1560 return ret;
1561}
1562#else
1563#define find_any_bios(...) false
1564#endif
1565
1566static void check_system_specs(void)
1567{
1568 unsigned level = 6;
1569 environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
1570}
1571
1572void retro_init(void)
1573{
1574 const char *bios[] = { "scph1001", "scph5501", "scph7001" };
1575 const char *dir;
1576 char path[256];
1577 int i, ret;
1578 bool found_bios = false;
1579
1580#ifdef __MACH__
1581 // magic sauce to make the dynarec work on iOS
1582 syscall(SYS_ptrace, 0 /*PTRACE_TRACEME*/, 0, 0, 0);
1583#endif
1584
1585#ifdef _3DS
1586 psxMapHook = pl_3ds_mmap;
1587 psxUnmapHook = pl_3ds_munmap;
1588#endif
1589#ifdef VITA
1590 if(init_vita_mmap()<0)
1591 abort();
1592 psxMapHook = pl_vita_mmap;
1593 psxUnmapHook = pl_vita_munmap;
1594#endif
1595 ret = emu_core_preinit();
1596#ifdef _3DS
1597 /* emu_core_preinit sets the cpu to dynarec */
1598 if(!__ctr_svchax)
1599 Config.Cpu = CPU_INTERPRETER;
1600#endif
1601
1602 ret |= emu_core_init();
1603 if (ret != 0) {
1604 SysPrintf("PCSX init failed.\n");
1605 exit(1);
1606 }
1607
1608#ifdef _3DS
1609 vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
1610#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && !defined(VITA)
1611 posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
1612#else
1613 vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
1614#endif
1615
1616 vout_buf_ptr = vout_buf;
1617
1618 if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
1619 {
1620 snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s", dir);
1621
1622 for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++) {
1623 snprintf(path, sizeof(path), "%s/%s.bin", dir, bios[i]);
1624 found_bios = try_use_bios(path);
1625 if (found_bios)
1626 break;
1627 }
1628
1629 if (!found_bios)
1630 found_bios = find_any_bios(dir, path, sizeof(path));
1631 }
1632 if (found_bios) {
1633 SysPrintf("found BIOS file: %s\n", Config.Bios);
1634 }
1635 else
1636 {
1637 SysPrintf("no BIOS files found.\n");
1638 struct retro_message msg =
1639 {
1640 "no BIOS found, expect bugs!",
1641 180
1642 };
1643 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, (void*)&msg);
1644 }
1645
1646 environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
1647 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
1648 environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble);
1649
1650 /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
1651 * we have to do this because cache misses and some IO penalties
1652 * are not emulated. Warning: changing this may break compatibility. */
1653 cycle_multiplier = 175;
1654#ifdef HAVE_PRE_ARMV7
1655 cycle_multiplier = 200;
1656#endif
1657 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
1658 spu_config.iUseFixedUpdates = 1;
1659
1660 McdDisable[0] = 0;
1661 McdDisable[1] = 1;
1662 init_memcard(Mcd1Data);
1663
1664 SaveFuncs.open = save_open;
1665 SaveFuncs.read = save_read;
1666 SaveFuncs.write = save_write;
1667 SaveFuncs.seek = save_seek;
1668 SaveFuncs.close = save_close;
1669
1670 update_variables(false);
1671 check_system_specs();
1672}
1673
1674void retro_deinit(void)
1675{
1676 SysClose();
1677#ifdef _3DS
1678 linearFree(vout_buf);
1679#else
1680 free(vout_buf);
1681#endif
1682 vout_buf = NULL;
1683
1684#ifdef VITA
1685 deinit_vita_mmap();
1686#endif
1687}
1688
1689#ifdef VITA
1690#include <psp2/kernel/threadmgr.h>
1691int usleep (unsigned long us)
1692{
1693 sceKernelDelayThread(us);
1694}
1695#endif
ARM optimized PCSX fork