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[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
42//hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
43int rebootemu = 0;
44
45static retro_video_refresh_t video_cb;
46static retro_input_poll_t input_poll_cb;
47static retro_input_state_t input_state_cb;
48static retro_environment_t environ_cb;
49static retro_audio_sample_batch_t audio_batch_cb;
50static struct retro_rumble_interface rumble;
51
52static void *vout_buf;
53static void * vout_buf_ptr;
54static int vout_width, vout_height;
55static int vout_doffs_old, vout_fb_dirty;
56static bool vout_can_dupe;
57static bool duping_enable;
58static bool found_bios;
59
60static int plugins_opened;
61static int is_pal_mode;
62
63/* memory card data */
64extern char Mcd1Data[MCD_SIZE];
65extern char McdDisable[2];
66
67/* PCSX ReARMed core calls and stuff */
68int in_type[8] = { PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
69 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
70 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
71 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE };
72int in_analog_left[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
73int in_analog_right[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
74unsigned short in_keystate[PORTS_NUMBER];
75int multitap1 = 0;
76int multitap2 = 0;
77int in_enable_vibration = 1;
78
79/* PSX max resolution is 640x512, but with enhancement it's 1024x512 */
80#define VOUT_MAX_WIDTH 1024
81#define VOUT_MAX_HEIGHT 512
82
83static void init_memcard(char *mcd_data)
84{
85 unsigned off = 0;
86 unsigned i;
87
88 memset(mcd_data, 0, MCD_SIZE);
89
90 mcd_data[off++] = 'M';
91 mcd_data[off++] = 'C';
92 off += 0x7d;
93 mcd_data[off++] = 0x0e;
94
95 for (i = 0; i < 15; i++) {
96 mcd_data[off++] = 0xa0;
97 off += 0x07;
98 mcd_data[off++] = 0xff;
99 mcd_data[off++] = 0xff;
100 off += 0x75;
101 mcd_data[off++] = 0xa0;
102 }
103
104 for (i = 0; i < 20; i++) {
105 mcd_data[off++] = 0xff;
106 mcd_data[off++] = 0xff;
107 mcd_data[off++] = 0xff;
108 mcd_data[off++] = 0xff;
109 off += 0x04;
110 mcd_data[off++] = 0xff;
111 mcd_data[off++] = 0xff;
112 off += 0x76;
113 }
114}
115
116static int vout_open(void)
117{
118 return 0;
119}
120
121static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
122{
123 vout_width = w;
124 vout_height = h;
125
126 struct retro_framebuffer fb = {0};
127
128 fb.width = vout_width;
129 fb.height = vout_height;
130 fb.access_flags = RETRO_MEMORY_ACCESS_WRITE;
131
132 vout_buf_ptr = vout_buf;
133
134 if (environ_cb(RETRO_ENVIRONMENT_GET_CURRENT_SOFTWARE_FRAMEBUFFER, &fb) && fb.format == RETRO_PIXEL_FORMAT_RGB565)
135 {
136 vout_buf_ptr = (uint16_t*)fb.data;
137 }
138
139}
140
141#ifndef FRONTEND_SUPPORTS_RGB565
142static void convert(void *buf, size_t bytes)
143{
144 unsigned int i, v, *p = buf;
145
146 for (i = 0; i < bytes / 4; i++) {
147 v = p[i];
148 p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0);
149 }
150}
151#endif
152
153static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
154{
155 unsigned short *dest = vout_buf_ptr;
156 const unsigned short *src = vram;
157 int dstride = vout_width, h1 = h;
158 int doffs;
159
160 if (vram == NULL) {
161 // blanking
162 memset(vout_buf_ptr, 0, dstride * h * 2);
163 goto out;
164 }
165
166 doffs = (vout_height - h) * dstride;
167 doffs += (dstride - w) / 2 & ~1;
168 if (doffs != vout_doffs_old) {
169 // clear borders
170 memset(vout_buf_ptr, 0, dstride * h * 2);
171 vout_doffs_old = doffs;
172 }
173 dest += doffs;
174
175 if (bgr24)
176 {
177 // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here?
178 for (; h1-- > 0; dest += dstride, src += stride)
179 {
180 bgr888_to_rgb565(dest, src, w * 3);
181 }
182 }
183 else
184 {
185 for (; h1-- > 0; dest += dstride, src += stride)
186 {
187 bgr555_to_rgb565(dest, src, w * 2);
188 }
189 }
190
191out:
192#ifndef FRONTEND_SUPPORTS_RGB565
193 convert(vout_buf_ptr, vout_width * vout_height * 2);
194#endif
195 vout_fb_dirty = 1;
196 pl_rearmed_cbs.flip_cnt++;
197}
198
199static void vout_close(void)
200{
201}
202
203#ifdef _3DS
204typedef struct
205{
206 void* buffer;
207 uint32_t target_map;
208 size_t size;
209 enum psxMapTag tag;
210}psx_map_t;
211
212psx_map_t custom_psx_maps[] = {
213 {NULL, 0x13000000, 0x210000, MAP_TAG_RAM}, // 0x80000000
214 {NULL, 0x12800000, 0x010000, MAP_TAG_OTHER}, // 0x1f800000
215 {NULL, 0x12c00000, 0x080000, MAP_TAG_OTHER}, // 0x1fc00000
216 {NULL, 0x11000000, 0x800000, MAP_TAG_LUTS}, // 0x08000000
217 {NULL, 0x12000000, 0x200000, MAP_TAG_VRAM}, // 0x00000000
218};
219
220void* pl_3ds_mmap(unsigned long addr, size_t size, int is_fixed,
221 enum psxMapTag tag)
222{
223 (void)is_fixed;
224 (void)addr;
225
226 if (__ctr_svchax)
227 {
228 psx_map_t* custom_map = custom_psx_maps;
229
230 for (; custom_map->size; custom_map++)
231 {
232 if ((custom_map->size == size) && (custom_map->tag == tag))
233 {
234 uint32_t ptr_aligned, tmp;
235
236 custom_map->buffer = malloc(size + 0x1000);
237 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
238
239 if(svcControlMemory(&tmp, (void*)custom_map->target_map, (void*)ptr_aligned, size, MEMOP_MAP, 0x3) < 0)
240 {
241 SysPrintf("could not map memory @0x%08X\n", custom_map->target_map);
242 exit(1);
243 }
244
245 return (void*)custom_map->target_map;
246 }
247 }
248 }
249
250 return malloc(size);
251}
252
253void pl_3ds_munmap(void *ptr, size_t size, enum psxMapTag tag)
254{
255 (void)tag;
256
257 if (__ctr_svchax)
258 {
259 psx_map_t* custom_map = custom_psx_maps;
260
261 for (; custom_map->size; custom_map++)
262 {
263 if ((custom_map->target_map == (uint32_t)ptr))
264 {
265 uint32_t ptr_aligned, tmp;
266
267 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
268
269 svcControlMemory(&tmp, (void*)custom_map->target_map, (void*)ptr_aligned, size, MEMOP_UNMAP, 0x3);
270
271 free(custom_map->buffer);
272 custom_map->buffer = NULL;
273 return;
274 }
275 }
276 }
277
278 free(ptr);
279}
280#endif
281
282#ifdef VITA
283typedef struct
284{
285 void* buffer;
286 uint32_t target_map;
287 size_t size;
288 enum psxMapTag tag;
289}psx_map_t;
290
291void* addr = NULL;
292
293psx_map_t custom_psx_maps[] = {
294 {NULL, NULL, 0x210000, MAP_TAG_RAM}, // 0x80000000
295 {NULL, NULL, 0x010000, MAP_TAG_OTHER}, // 0x1f800000
296 {NULL, NULL, 0x080000, MAP_TAG_OTHER}, // 0x1fc00000
297 {NULL, NULL, 0x800000, MAP_TAG_LUTS}, // 0x08000000
298 {NULL, NULL, 0x200000, MAP_TAG_VRAM}, // 0x00000000
299};
300
301int init_vita_mmap(){
302 int n;
303 void * tmpaddr;
304 addr = malloc(64*1024*1024);
305 if(addr==NULL)
306 return -1;
307 tmpaddr = ((u32)(addr+0xFFFFFF))&~0xFFFFFF;
308 custom_psx_maps[0].buffer=tmpaddr+0x2000000;
309 custom_psx_maps[1].buffer=tmpaddr+0x1800000;
310 custom_psx_maps[2].buffer=tmpaddr+0x1c00000;
311 custom_psx_maps[3].buffer=tmpaddr+0x0000000;
312 custom_psx_maps[4].buffer=tmpaddr+0x1000000;
313#if 0
314 for(n = 0; n < 5; n++){
315 sceClibPrintf("addr reserved %x\n",custom_psx_maps[n].buffer);
316 }
317#endif
318 return 0;
319}
320
321void deinit_vita_mmap(){
322 free(addr);
323}
324
325void* pl_vita_mmap(unsigned long addr, size_t size, int is_fixed,
326 enum psxMapTag tag)
327{
328 (void)is_fixed;
329 (void)addr;
330
331
332 psx_map_t* custom_map = custom_psx_maps;
333
334 for (; custom_map->size; custom_map++)
335 {
336 if ((custom_map->size == size) && (custom_map->tag == tag))
337 {
338 return custom_map->buffer;
339 }
340 }
341
342
343 return malloc(size);
344}
345
346void pl_vita_munmap(void *ptr, size_t size, enum psxMapTag tag)
347{
348 (void)tag;
349
350 psx_map_t* custom_map = custom_psx_maps;
351
352 for (; custom_map->size; custom_map++)
353 {
354 if ((custom_map->buffer == ptr))
355 {
356 return;
357 }
358 }
359
360 free(ptr);
361}
362#endif
363
364static void *pl_mmap(unsigned int size)
365{
366 return psxMap(0, size, 0, MAP_TAG_VRAM);
367}
368
369static void pl_munmap(void *ptr, unsigned int size)
370{
371 psxUnmap(ptr, size, MAP_TAG_VRAM);
372}
373
374struct rearmed_cbs pl_rearmed_cbs = {
375 .pl_vout_open = vout_open,
376 .pl_vout_set_mode = vout_set_mode,
377 .pl_vout_flip = vout_flip,
378 .pl_vout_close = vout_close,
379 .mmap = pl_mmap,
380 .munmap = pl_munmap,
381 /* from psxcounters */
382 .gpu_hcnt = &hSyncCount,
383 .gpu_frame_count = &frame_counter,
384};
385
386void pl_frame_limit(void)
387{
388 /* called once per frame, make psxCpu->Execute() above return */
389 stop = 1;
390}
391
392void pl_timing_prepare(int is_pal)
393{
394 is_pal_mode = is_pal;
395}
396
397void plat_trigger_vibrate(int pad, int low, int high)
398{
399 rumble.set_rumble_state(pad, RETRO_RUMBLE_STRONG, high << 8);
400 rumble.set_rumble_state(pad, RETRO_RUMBLE_WEAK, low ? 0xffff : 0x0);
401}
402
403void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in)
404{
405}
406
407/* sound calls */
408static int snd_init(void)
409{
410 return 0;
411}
412
413static void snd_finish(void)
414{
415}
416
417static int snd_busy(void)
418{
419 return 0;
420}
421
422static void snd_feed(void *buf, int bytes)
423{
424 if (audio_batch_cb != NULL)
425 audio_batch_cb(buf, bytes / 4);
426}
427
428void out_register_libretro(struct out_driver *drv)
429{
430 drv->name = "libretro";
431 drv->init = snd_init;
432 drv->finish = snd_finish;
433 drv->busy = snd_busy;
434 drv->feed = snd_feed;
435}
436
437/* libretro */
438void retro_set_environment(retro_environment_t cb)
439{
440 static const struct retro_variable vars[] = {
441 { "pcsx_rearmed_frameskip", "Frameskip; 0|1|2|3" },
442 { "pcsx_rearmed_region", "Region; Auto|NTSC|PAL" },
443 { "pcsx_rearmed_pad1type", "Pad 1 Type; default|none|standard|analog|negcon" },
444 { "pcsx_rearmed_pad2type", "Pad 2 Type; default|none|standard|analog|negcon" },
445 { "pcsx_rearmed_pad3type", "Pad 3 Type; default|none|standard|analog|negcon" },
446 { "pcsx_rearmed_pad4type", "Pad 4 Type; default|none|standard|analog|negcon" },
447 { "pcsx_rearmed_pad5type", "Pad 5 Type; default|none|standard|analog|negcon" },
448 { "pcsx_rearmed_pad6type", "Pad 6 Type; default|none|standard|analog|negcon" },
449 { "pcsx_rearmed_pad7type", "Pad 7 Type; default|none|standard|analog|negcon" },
450 { "pcsx_rearmed_pad8type", "Pad 8 Type; default|none|standard|analog|negcon" },
451 { "pcsx_rearmed_multitap1", "Multitap 1; auto|disabled|enabled" },
452 { "pcsx_rearmed_multitap2", "Multitap 2; auto|disabled|enabled" },
453#ifndef DRC_DISABLE
454 { "pcsx_rearmed_drc", "Dynamic recompiler; enabled|disabled" },
455#endif
456#ifdef __ARM_NEON__
457 { "pcsx_rearmed_neon_interlace_enable", "Enable interlacing mode(s); disabled|enabled" },
458 { "pcsx_rearmed_neon_enhancement_enable", "Enhanced resolution (slow); disabled|enabled" },
459 { "pcsx_rearmed_neon_enhancement_no_main", "Enhanced resolution speed hack; disabled|enabled" },
460#endif
461 { "pcsx_rearmed_duping_enable", "Frame duping; on|off" },
462 { "pcsx_rearmed_show_bios_bootlogo", "Show Bios Bootlogo; on|off" },
463 { "pcsx_rearmed_spu_reverb", "Sound: Reverb; on|off" },
464 { "pcsx_rearmed_spu_interpolation", "Sound: Interpolation; simple|gaussian|cubic|off" },
465 { "pcsx_rearmed_pe2_fix", "Parasite Eve 2/Vandal Hearts 1/2 Fix; disabled|enabled" },
466 { "pcsx_rearmed_inuyasha_fix", "InuYasha Sengoku Battle Fix; disabled|enabled" },
467 { NULL, NULL },
468 };
469
470 environ_cb = cb;
471
472 cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void*)vars);
473}
474
475void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
476void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
477void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
478void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
479void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
480
481unsigned retro_api_version(void)
482{
483 return RETRO_API_VERSION;
484}
485
486static int controller_port_variable(unsigned port, struct retro_variable *var)
487{
488 if (port >= PORTS_NUMBER)
489 return 0;
490
491 if (!environ_cb)
492 return 0;
493
494 var->value = NULL;
495 switch (port) {
496 case 0:
497 var->key = "pcsx_rearmed_pad1type";
498 break;
499 case 1:
500 var->key = "pcsx_rearmed_pad2type";
501 break;
502 case 2:
503 var->key = "pcsx_rearmed_pad3type";
504 break;
505 case 3:
506 var->key = "pcsx_rearmed_pad4type";
507 break;
508 case 4:
509 var->key = "pcsx_rearmed_pad5type";
510 break;
511 case 5:
512 var->key = "pcsx_rearmed_pad6type";
513 break;
514 case 6:
515 var->key = "pcsx_rearmed_pad7type";
516 break;
517 case 7:
518 var->key = "pcsx_rearmed_pad8type";
519 break;
520 }
521
522 return environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, var) || var->value;
523}
524
525static void update_controller_port_variable(unsigned port)
526{
527 if (port >= PORTS_NUMBER)
528 return;
529
530 struct retro_variable var;
531
532 if (controller_port_variable(port, &var))
533 {
534 if (strcmp(var.value, "standard") == 0)
535 in_type[port] = PSE_PAD_TYPE_STANDARD;
536 else if (strcmp(var.value, "analog") == 0)
537 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
538 else if (strcmp(var.value, "negcon") == 0)
539 in_type[port] = PSE_PAD_TYPE_NEGCON;
540 else if (strcmp(var.value, "none") == 0)
541 in_type[port] = PSE_PAD_TYPE_NONE;
542 // else 'default' case, do nothing
543 }
544}
545
546static void update_controller_port_device(unsigned port, unsigned device)
547{
548 if (port >= PORTS_NUMBER)
549 return;
550
551 struct retro_variable var;
552
553 if (!controller_port_variable(port, &var))
554 return;
555
556 if (strcmp(var.value, "default") != 0)
557 return;
558
559 switch (device)
560 {
561 case RETRO_DEVICE_JOYPAD:
562 in_type[port] = PSE_PAD_TYPE_STANDARD;
563 break;
564 case RETRO_DEVICE_ANALOG:
565 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
566 break;
567 case RETRO_DEVICE_MOUSE:
568 in_type[port] = PSE_PAD_TYPE_MOUSE;
569 break;
570 case RETRO_DEVICE_LIGHTGUN:
571 in_type[port] = PSE_PAD_TYPE_GUN;
572 break;
573 case RETRO_DEVICE_NONE:
574 default:
575 in_type[port] = PSE_PAD_TYPE_NONE;
576 }
577}
578
579static void update_multitap()
580{
581 struct retro_variable var;
582 int auto_case, port;
583
584 var.value = NULL;
585 var.key = "pcsx_rearmed_multitap1";
586 auto_case = 0;
587 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value))
588 {
589 if (strcmp(var.value, "enabled") == 0)
590 multitap1 = 1;
591 else if (strcmp(var.value, "disabled") == 0)
592 multitap1 = 0;
593 else // 'auto' case
594 auto_case = 1;
595 }
596 else
597 auto_case = 1;
598
599 if (auto_case)
600 {
601 // If a gamepad is plugged after port 2, we need a first multitap.
602 multitap1 = 0;
603 for (port = 2; port < PORTS_NUMBER; port++)
604 multitap1 |= in_type[port] != PSE_PAD_TYPE_NONE;
605 }
606
607 var.value = NULL;
608 var.key = "pcsx_rearmed_multitap2";
609 auto_case = 0;
610 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value))
611 {
612 if (strcmp(var.value, "enabled") == 0)
613 multitap2 = 1;
614 else if (strcmp(var.value, "disabled") == 0)
615 multitap2 = 0;
616 else // 'auto' case
617 auto_case = 1;
618 }
619 else
620 auto_case = 1;
621
622 if (auto_case)
623 {
624 // If a gamepad is plugged after port 4, we need a second multitap.
625 multitap2 = 0;
626 for (port = 4; port < PORTS_NUMBER; port++)
627 multitap2 |= in_type[port] != PSE_PAD_TYPE_NONE;
628 }
629}
630
631void retro_set_controller_port_device(unsigned port, unsigned device)
632{
633 SysPrintf("port %u device %u",port,device);
634
635 if (port >= PORTS_NUMBER)
636 return;
637
638 update_controller_port_device(port, device);
639 update_multitap();
640}
641
642void retro_get_system_info(struct retro_system_info *info)
643{
644 memset(info, 0, sizeof(*info));
645 info->library_name = "PCSX-ReARMed";
646#ifndef GIT_VERSION
647#define GIT_VERSION ""
648#endif
649 info->library_version = "r22" GIT_VERSION;
650 info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u";
651 info->need_fullpath = true;
652}
653
654void retro_get_system_av_info(struct retro_system_av_info *info)
655{
656 memset(info, 0, sizeof(*info));
657 info->timing.fps = is_pal_mode ? 50 : 60;
658 info->timing.sample_rate = 44100;
659 info->geometry.base_width = 320;
660 info->geometry.base_height = 240;
661 info->geometry.max_width = VOUT_MAX_WIDTH;
662 info->geometry.max_height = VOUT_MAX_HEIGHT;
663 info->geometry.aspect_ratio = 4.0 / 3.0;
664}
665
666/* savestates */
667size_t retro_serialize_size(void)
668{
669 // it's currently 4380651-4397047 bytes,
670 // but have some reserved for future
671 return 0x440000;
672}
673
674struct save_fp {
675 char *buf;
676 size_t pos;
677 int is_write;
678};
679
680static void *save_open(const char *name, const char *mode)
681{
682 struct save_fp *fp;
683
684 if (name == NULL || mode == NULL)
685 return NULL;
686
687 fp = malloc(sizeof(*fp));
688 if (fp == NULL)
689 return NULL;
690
691 fp->buf = (char *)name;
692 fp->pos = 0;
693 fp->is_write = (mode[0] == 'w' || mode[1] == 'w');
694
695 return fp;
696}
697
698static int save_read(void *file, void *buf, u32 len)
699{
700 struct save_fp *fp = file;
701 if (fp == NULL || buf == NULL)
702 return -1;
703
704 memcpy(buf, fp->buf + fp->pos, len);
705 fp->pos += len;
706 return len;
707}
708
709static int save_write(void *file, const void *buf, u32 len)
710{
711 struct save_fp *fp = file;
712 if (fp == NULL || buf == NULL)
713 return -1;
714
715 memcpy(fp->buf + fp->pos, buf, len);
716 fp->pos += len;
717 return len;
718}
719
720static long save_seek(void *file, long offs, int whence)
721{
722 struct save_fp *fp = file;
723 if (fp == NULL)
724 return -1;
725
726 switch (whence) {
727 case SEEK_CUR:
728 fp->pos += offs;
729 return fp->pos;
730 case SEEK_SET:
731 fp->pos = offs;
732 return fp->pos;
733 default:
734 return -1;
735 }
736}
737
738static void save_close(void *file)
739{
740 struct save_fp *fp = file;
741 size_t r_size = retro_serialize_size();
742 if (fp == NULL)
743 return;
744
745 if (fp->pos > r_size)
746 SysPrintf("ERROR: save buffer overflow detected\n");
747 else if (fp->is_write && fp->pos < r_size)
748 // make sure we don't save trash in leftover space
749 memset(fp->buf + fp->pos, 0, r_size - fp->pos);
750 free(fp);
751}
752
753bool retro_serialize(void *data, size_t size)
754{
755 int ret = SaveState(data);
756 return ret == 0 ? true : false;
757}
758
759bool retro_unserialize(const void *data, size_t size)
760{
761 int ret = LoadState(data);
762 return ret == 0 ? true : false;
763}
764
765/* cheats */
766void retro_cheat_reset(void)
767{
768 ClearAllCheats();
769}
770
771void retro_cheat_set(unsigned index, bool enabled, const char *code)
772{
773 char buf[256];
774 int ret;
775
776 // cheat funcs are destructive, need a copy..
777 strncpy(buf, code, sizeof(buf));
778 buf[sizeof(buf) - 1] = 0;
779
780 if (index < NumCheats)
781 ret = EditCheat(index, "", buf);
782 else
783 ret = AddCheat("", buf);
784
785 if (ret != 0)
786 SysPrintf("Failed to set cheat %#u\n", index);
787 else if (index < NumCheats)
788 Cheats[index].Enabled = enabled;
789}
790
791/* multidisk support */
792static bool disk_ejected;
793static unsigned int disk_current_index;
794static unsigned int disk_count;
795static struct disks_state {
796 char *fname;
797 int internal_index; // for multidisk eboots
798} disks[8];
799
800static bool disk_set_eject_state(bool ejected)
801{
802 // weird PCSX API..
803 SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2));
804 LidInterrupt();
805
806 disk_ejected = ejected;
807 return true;
808}
809
810static bool disk_get_eject_state(void)
811{
812 /* can't be controlled by emulated software */
813 return disk_ejected;
814}
815
816static unsigned int disk_get_image_index(void)
817{
818 return disk_current_index;
819}
820
821static bool disk_set_image_index(unsigned int index)
822{
823 if (index >= sizeof(disks) / sizeof(disks[0]))
824 return false;
825
826 CdromId[0] = '\0';
827 CdromLabel[0] = '\0';
828
829 if (disks[index].fname == NULL) {
830 SysPrintf("missing disk #%u\n", index);
831 CDR_shutdown();
832
833 // RetroArch specifies "no disk" with index == count,
834 // so don't fail here..
835 disk_current_index = index;
836 return true;
837 }
838
839 SysPrintf("switching to disk %u: \"%s\" #%d\n", index,
840 disks[index].fname, disks[index].internal_index);
841
842 cdrIsoMultidiskSelect = disks[index].internal_index;
843 set_cd_image(disks[index].fname);
844 if (ReloadCdromPlugin() < 0) {
845 SysPrintf("failed to load cdr plugin\n");
846 return false;
847 }
848 if (CDR_open() < 0) {
849 SysPrintf("failed to open cdr plugin\n");
850 return false;
851 }
852
853 if (!disk_ejected) {
854 SetCdOpenCaseTime(time(NULL) + 2);
855 LidInterrupt();
856 }
857
858 disk_current_index = index;
859 return true;
860}
861
862static unsigned int disk_get_num_images(void)
863{
864 return disk_count;
865}
866
867static bool disk_replace_image_index(unsigned index,
868 const struct retro_game_info *info)
869{
870 char *old_fname;
871 bool ret = true;
872
873 if (index >= sizeof(disks) / sizeof(disks[0]))
874 return false;
875
876 old_fname = disks[index].fname;
877 disks[index].fname = NULL;
878 disks[index].internal_index = 0;
879
880 if (info != NULL) {
881 disks[index].fname = strdup(info->path);
882 if (index == disk_current_index)
883 ret = disk_set_image_index(index);
884 }
885
886 if (old_fname != NULL)
887 free(old_fname);
888
889 return ret;
890}
891
892static bool disk_add_image_index(void)
893{
894 if (disk_count >= 8)
895 return false;
896
897 disk_count++;
898 return true;
899}
900
901static struct retro_disk_control_callback disk_control = {
902 .set_eject_state = disk_set_eject_state,
903 .get_eject_state = disk_get_eject_state,
904 .get_image_index = disk_get_image_index,
905 .set_image_index = disk_set_image_index,
906 .get_num_images = disk_get_num_images,
907 .replace_image_index = disk_replace_image_index,
908 .add_image_index = disk_add_image_index,
909};
910
911// just in case, maybe a win-rt port in the future?
912#ifdef _WIN32
913#define SLASH '\\'
914#else
915#define SLASH '/'
916#endif
917
918static char base_dir[PATH_MAX];
919
920static bool read_m3u(const char *file)
921{
922 char line[PATH_MAX];
923 char name[PATH_MAX];
924 FILE *f = fopen(file, "r");
925 if (!f)
926 return false;
927
928 while (fgets(line, sizeof(line), f) && disk_count < sizeof(disks) / sizeof(disks[0])) {
929 if (line[0] == '#')
930 continue;
931 char *carrige_return = strchr(line, '\r');
932 if (carrige_return)
933 *carrige_return = '\0';
934 char *newline = strchr(line, '\n');
935 if (newline)
936 *newline = '\0';
937
938 if (line[0] != '\0')
939 {
940 snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
941 disks[disk_count++].fname = strdup(name);
942 }
943 }
944
945 fclose(f);
946 return (disk_count != 0);
947}
948
949static void extract_directory(char *buf, const char *path, size_t size)
950{
951 char *base;
952 strncpy(buf, path, size - 1);
953 buf[size - 1] = '\0';
954
955 base = strrchr(buf, '/');
956 if (!base)
957 base = strrchr(buf, '\\');
958
959 if (base)
960 *base = '\0';
961 else
962 {
963 buf[0] = '.';
964 buf[1] = '\0';
965 }
966}
967
968#if defined(__QNX__) || defined(_WIN32)
969/* Blackberry QNX doesn't have strcasestr */
970
971/*
972 * Find the first occurrence of find in s, ignore case.
973 */
974char *
975strcasestr(const char *s, const char*find)
976{
977 char c, sc;
978 size_t len;
979
980 if ((c = *find++) != 0) {
981 c = tolower((unsigned char)c);
982 len = strlen(find);
983 do {
984 do {
985 if ((sc = *s++) == 0)
986 return (NULL);
987 } while ((char)tolower((unsigned char)sc) != c);
988 } while (strncasecmp(s, find, len) != 0);
989 s--;
990 }
991 return ((char *)s);
992}
993#endif
994
995bool retro_load_game(const struct retro_game_info *info)
996{
997 size_t i;
998 bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
999
1000 struct retro_input_descriptor desc[] = {
1001 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1002 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1003 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1004 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1005 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1006 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1007 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1008 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1009 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1010 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1011 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1012 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1013 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1014 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1015 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1016 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1017 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1018 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1019 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1020 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1021
1022
1023 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1024 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1025 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1026 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1027 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1028 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1029 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1030 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1031 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1032 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1033 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1034 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1035 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1036 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1037 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1038 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1039 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1040 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1041 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1042 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1043
1044 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1045 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1046 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1047 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1048 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1049 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1050 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1051 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1052 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1053 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1054 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1055 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1056 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1057 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1058 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1059 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1060 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1061 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1062 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1063 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1064
1065 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1066 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1067 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1068 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1069 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1070 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1071 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1072 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1073 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1074 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1075 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1076 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1077 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1078 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1079 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1080 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1081 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1082 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1083 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1084 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1085
1086 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1087 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1088 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1089 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1090 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1091 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1092 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1093 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1094 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1095 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1096 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1097 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1098 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1099 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1100 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1101 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1102 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1103 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1104 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1105 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1106
1107 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1108 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1109 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1110 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1111 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1112 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1113 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1114 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1115 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1116 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1117 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1118 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1119 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1120 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1121 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1122 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1123 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1124 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1125 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1126 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1127
1128 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1129 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1130 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1131 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1132 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1133 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1134 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1135 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1136 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1137 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1138 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1139 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1140 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1141 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1142 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1143 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1144 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1145 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1146 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1147 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1148
1149 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1150 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1151 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1152 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1153 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1154 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1155 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1156 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1157 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1158 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1159 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1160 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1161 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1162 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1163 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1164 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1165 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1166 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1167 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1168 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1169
1170 { 0 },
1171 };
1172
1173 environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
1174
1175#ifdef FRONTEND_SUPPORTS_RGB565
1176 enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
1177 if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) {
1178 SysPrintf("RGB565 supported, using it\n");
1179 }
1180#endif
1181
1182 if (info == NULL || info->path == NULL) {
1183 SysPrintf("info->path required\n");
1184 return false;
1185 }
1186
1187 if (plugins_opened) {
1188 ClosePlugins();
1189 plugins_opened = 0;
1190 }
1191
1192 for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++) {
1193 if (disks[i].fname != NULL) {
1194 free(disks[i].fname);
1195 disks[i].fname = NULL;
1196 }
1197 disks[i].internal_index = 0;
1198 }
1199
1200 disk_current_index = 0;
1201 extract_directory(base_dir, info->path, sizeof(base_dir));
1202
1203 if (is_m3u) {
1204 if (!read_m3u(info->path)) {
1205 SysPrintf("failed to read m3u file\n");
1206 return false;
1207 }
1208 } else {
1209 disk_count = 1;
1210 disks[0].fname = strdup(info->path);
1211 }
1212
1213 set_cd_image(disks[0].fname);
1214
1215 /* have to reload after set_cd_image for correct cdr plugin */
1216 if (LoadPlugins() == -1) {
1217 SysPrintf("failed to load plugins\n");
1218 return false;
1219 }
1220
1221 plugins_opened = 1;
1222 NetOpened = 0;
1223
1224 if (OpenPlugins() == -1) {
1225 SysPrintf("failed to open plugins\n");
1226 return false;
1227 }
1228
1229 plugin_call_rearmed_cbs();
1230 dfinput_activate();
1231
1232 Config.PsxAuto = 1;
1233 if (CheckCdrom() == -1) {
1234 SysPrintf("unsupported/invalid CD image: %s\n", info->path);
1235 return false;
1236 }
1237
1238 SysReset();
1239
1240 if (LoadCdrom() == -1) {
1241 SysPrintf("could not load CD-ROM!\n");
1242 return false;
1243 }
1244 emu_on_new_cd(0);
1245
1246 // multidisk images
1247 if (!is_m3u) {
1248 disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8;
1249 for (i = 1; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++) {
1250 disks[i].fname = strdup(info->path);
1251 disks[i].internal_index = i;
1252 }
1253 }
1254
1255 return true;
1256}
1257
1258bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info)
1259{
1260 return false;
1261}
1262
1263void retro_unload_game(void)
1264{
1265}
1266
1267unsigned retro_get_region(void)
1268{
1269 return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
1270}
1271
1272void *retro_get_memory_data(unsigned id)
1273{
1274 if (id == RETRO_MEMORY_SAVE_RAM)
1275 return Mcd1Data;
1276 else
1277 return NULL;
1278}
1279
1280size_t retro_get_memory_size(unsigned id)
1281{
1282 if (id == RETRO_MEMORY_SAVE_RAM)
1283 return MCD_SIZE;
1284 else
1285 return 0;
1286}
1287
1288void retro_reset(void)
1289{
1290 //hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
1291 rebootemu = 1;
1292 //SysReset();
1293}
1294
1295static const unsigned short retro_psx_map[] = {
1296 [RETRO_DEVICE_ID_JOYPAD_B] = 1 << DKEY_CROSS,
1297 [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << DKEY_SQUARE,
1298 [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT,
1299 [RETRO_DEVICE_ID_JOYPAD_START] = 1 << DKEY_START,
1300 [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << DKEY_UP,
1301 [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << DKEY_DOWN,
1302 [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << DKEY_LEFT,
1303 [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << DKEY_RIGHT,
1304 [RETRO_DEVICE_ID_JOYPAD_A] = 1 << DKEY_CIRCLE,
1305 [RETRO_DEVICE_ID_JOYPAD_X] = 1 << DKEY_TRIANGLE,
1306 [RETRO_DEVICE_ID_JOYPAD_L] = 1 << DKEY_L1,
1307 [RETRO_DEVICE_ID_JOYPAD_R] = 1 << DKEY_R1,
1308 [RETRO_DEVICE_ID_JOYPAD_L2] = 1 << DKEY_L2,
1309 [RETRO_DEVICE_ID_JOYPAD_R2] = 1 << DKEY_R2,
1310 [RETRO_DEVICE_ID_JOYPAD_L3] = 1 << DKEY_L3,
1311 [RETRO_DEVICE_ID_JOYPAD_R3] = 1 << DKEY_R3,
1312};
1313#define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
1314
1315static void update_variables(bool in_flight)
1316{
1317 struct retro_variable var;
1318 int i;
1319
1320 var.value = NULL;
1321 var.key = "pcsx_rearmed_frameskip";
1322 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1323 pl_rearmed_cbs.frameskip = atoi(var.value);
1324
1325 var.value = NULL;
1326 var.key = "pcsx_rearmed_region";
1327 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1328 {
1329 Config.PsxAuto = 0;
1330 if (strcmp(var.value, "Automatic") == 0)
1331 Config.PsxAuto = 1;
1332 else if (strcmp(var.value, "NTSC") == 0)
1333 Config.PsxType = 0;
1334 else if (strcmp(var.value, "PAL") == 0)
1335 Config.PsxType = 1;
1336 }
1337
1338 for (i = 0; i < PORTS_NUMBER; i++)
1339 update_controller_port_variable(i);
1340
1341 update_multitap();
1342
1343#ifdef __ARM_NEON__
1344 var.value = "NULL";
1345 var.key = "pcsx_rearmed_neon_interlace_enable";
1346
1347 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1348 {
1349 if (strcmp(var.value, "disabled") == 0)
1350 pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
1351 else if (strcmp(var.value, "enabled") == 0)
1352 pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
1353 }
1354
1355 var.value = NULL;
1356 var.key = "pcsx_rearmed_neon_enhancement_enable";
1357
1358 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1359 {
1360 if (strcmp(var.value, "disabled") == 0)
1361 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
1362 else if (strcmp(var.value, "enabled") == 0)
1363 pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
1364 }
1365
1366 var.value = NULL;
1367 var.key = "pcsx_rearmed_neon_enhancement_no_main";
1368
1369 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1370 {
1371 if (strcmp(var.value, "disabled") == 0)
1372 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
1373 else if (strcmp(var.value, "enabled") == 0)
1374 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1;
1375 }
1376#endif
1377
1378 var.value = "NULL";
1379 var.key = "pcsx_rearmed_duping_enable";
1380
1381 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1382 {
1383 if (strcmp(var.value, "off") == 0)
1384 duping_enable = false;
1385 else if (strcmp(var.value, "on") == 0)
1386 duping_enable = true;
1387 }
1388
1389#ifndef DRC_DISABLE
1390 var.value = NULL;
1391 var.key = "pcsx_rearmed_drc";
1392
1393 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1394 {
1395 R3000Acpu *prev_cpu = psxCpu;
1396
1397#ifdef _3DS
1398 if(!__ctr_svchax)
1399 Config.Cpu = CPU_INTERPRETER;
1400 else
1401#endif
1402 if (strcmp(var.value, "disabled") == 0)
1403 Config.Cpu = CPU_INTERPRETER;
1404 else if (strcmp(var.value, "enabled") == 0)
1405 Config.Cpu = CPU_DYNAREC;
1406
1407 psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
1408 if (psxCpu != prev_cpu) {
1409 prev_cpu->Shutdown();
1410 psxCpu->Init();
1411 psxCpu->Reset(); // not really a reset..
1412 }
1413 }
1414#endif
1415
1416 var.value = "NULL";
1417 var.key = "pcsx_rearmed_spu_reverb";
1418
1419 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1420 {
1421 if (strcmp(var.value, "off") == 0)
1422 spu_config.iUseReverb = false;
1423 else if (strcmp(var.value, "on") == 0)
1424 spu_config.iUseReverb = true;
1425 }
1426
1427 var.value = "NULL";
1428 var.key = "pcsx_rearmed_spu_interpolation";
1429
1430 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1431 {
1432 if (strcmp(var.value, "simple") == 0)
1433 spu_config.iUseInterpolation = 1;
1434 else if (strcmp(var.value, "gaussian") == 0)
1435 spu_config.iUseInterpolation = 2;
1436 else if (strcmp(var.value, "cubic") == 0)
1437 spu_config.iUseInterpolation = 3;
1438 else if (strcmp(var.value, "off") == 0)
1439 spu_config.iUseInterpolation = 0;
1440 }
1441
1442 var.value = "NULL";
1443 var.key = "pcsx_rearmed_pe2_fix";
1444
1445 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1446 {
1447 if (strcmp(var.value, "disabled") == 0)
1448 Config.RCntFix = 0;
1449 else if (strcmp(var.value, "enabled") == 0)
1450 Config.RCntFix = 1;
1451 }
1452
1453 var.value = "NULL";
1454 var.key = "pcsx_rearmed_inuyasha_fix";
1455
1456 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1457 {
1458 if (strcmp(var.value, "disabled") == 0)
1459 Config.VSyncWA = 0;
1460 else if (strcmp(var.value, "enabled") == 0)
1461 Config.VSyncWA = 1;
1462 }
1463
1464 if (in_flight) {
1465 // inform core things about possible config changes
1466 plugin_call_rearmed_cbs();
1467
1468 if (GPU_open != NULL && GPU_close != NULL) {
1469 GPU_close();
1470 GPU_open(&gpuDisp, "PCSX", NULL);
1471 }
1472
1473 dfinput_activate();
1474 }
1475 else{
1476 //not yet running
1477
1478 //bootlogo display hack
1479 if (found_bios) {
1480 var.value = "NULL";
1481 var.key = "pcsx_rearmed_show_bios_bootlogo";
1482 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1483 {
1484 if (strcmp(var.value, "on") == 0)
1485 rebootemu = 1;
1486 }
1487 }
1488 }
1489}
1490
1491static int min(int a, int b)
1492{
1493 return a < b ? a : b;
1494}
1495
1496void retro_run(void)
1497{
1498 int i;
1499 //SysReset must be run while core is running,Not in menu (Locks up Retroarch)
1500 if(rebootemu != 0){
1501 rebootemu = 0;
1502 SysReset();
1503 }
1504
1505 input_poll_cb();
1506
1507 bool updated = false;
1508 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
1509 update_variables(true);
1510
1511 // reset all keystate, query libretro for keystate
1512 int j;
1513 for(i = 0; i < PORTS_NUMBER; i++) {
1514 in_keystate[i] = 0;
1515
1516 if (in_type[i] == PSE_PAD_TYPE_NONE)
1517 continue;
1518
1519 // query libretro for keystate
1520 for (j = 0; j < RETRO_PSX_MAP_LEN; j++)
1521 if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, j))
1522 in_keystate[i] |= retro_psx_map[j];
1523
1524 if (in_type[i] == PSE_PAD_TYPE_ANALOGPAD)
1525 {
1526 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);
1527 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);
1528 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);
1529 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);
1530 }
1531 }
1532
1533 stop = 0;
1534 psxCpu->Execute();
1535
1536 video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf_ptr : NULL,
1537 vout_width, vout_height, vout_width * 2);
1538 vout_fb_dirty = 0;
1539}
1540
1541static bool try_use_bios(const char *path)
1542{
1543 FILE *f;
1544 long size;
1545 const char *name;
1546
1547 f = fopen(path, "rb");
1548 if (f == NULL)
1549 return false;
1550
1551 fseek(f, 0, SEEK_END);
1552 size = ftell(f);
1553 fclose(f);
1554
1555 if (size != 512 * 1024)
1556 return false;
1557
1558 name = strrchr(path, SLASH);
1559 if (name++ == NULL)
1560 name = path;
1561 snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
1562 return true;
1563}
1564
1565#ifndef VITA
1566#include <sys/types.h>
1567#include <dirent.h>
1568
1569static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
1570{
1571 DIR *dir;
1572 struct dirent *ent;
1573 bool ret = false;
1574
1575 dir = opendir(dirpath);
1576 if (dir == NULL)
1577 return false;
1578
1579 while ((ent = readdir(dir))) {
1580 if (strncasecmp(ent->d_name, "scph", 4) != 0)
1581 continue;
1582
1583 snprintf(path, path_size, "%s/%s", dirpath, ent->d_name);
1584 ret = try_use_bios(path);
1585 if (ret)
1586 break;
1587 }
1588 closedir(dir);
1589 return ret;
1590}
1591#else
1592#define find_any_bios(...) false
1593#endif
1594
1595static void check_system_specs(void)
1596{
1597 unsigned level = 6;
1598 environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
1599}
1600
1601void retro_init(void)
1602{
1603 const char *bios[] = { "scph1001", "scph5501", "scph7001" };
1604 const char *dir;
1605 char path[256];
1606 int i, ret;
1607
1608 found_bios = false;
1609
1610#ifdef __MACH__
1611 // magic sauce to make the dynarec work on iOS
1612 syscall(SYS_ptrace, 0 /*PTRACE_TRACEME*/, 0, 0, 0);
1613#endif
1614
1615#ifdef _3DS
1616 psxMapHook = pl_3ds_mmap;
1617 psxUnmapHook = pl_3ds_munmap;
1618#endif
1619#ifdef VITA
1620 if(init_vita_mmap()<0)
1621 abort();
1622 psxMapHook = pl_vita_mmap;
1623 psxUnmapHook = pl_vita_munmap;
1624#endif
1625 ret = emu_core_preinit();
1626#ifdef _3DS
1627 /* emu_core_preinit sets the cpu to dynarec */
1628 if(!__ctr_svchax)
1629 Config.Cpu = CPU_INTERPRETER;
1630#endif
1631
1632 ret |= emu_core_init();
1633 if (ret != 0) {
1634 SysPrintf("PCSX init failed.\n");
1635 exit(1);
1636 }
1637
1638#ifdef _3DS
1639 vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
1640#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && !defined(VITA)
1641 posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
1642#else
1643 vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
1644#endif
1645
1646 vout_buf_ptr = vout_buf;
1647
1648 if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
1649 {
1650 snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s", dir);
1651
1652 for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++) {
1653 snprintf(path, sizeof(path), "%s/%s.bin", dir, bios[i]);
1654 found_bios = try_use_bios(path);
1655 if (found_bios)
1656 break;
1657 }
1658
1659 if (!found_bios)
1660 found_bios = find_any_bios(dir, path, sizeof(path));
1661 }
1662 if (found_bios) {
1663 SysPrintf("found BIOS file: %s\n", Config.Bios);
1664 }
1665 else
1666 {
1667 SysPrintf("no BIOS files found.\n");
1668 struct retro_message msg =
1669 {
1670 "no BIOS found, expect bugs!",
1671 180
1672 };
1673 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, (void*)&msg);
1674 }
1675
1676 environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
1677 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
1678 environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble);
1679
1680 /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
1681 * we have to do this because cache misses and some IO penalties
1682 * are not emulated. Warning: changing this may break compatibility. */
1683 cycle_multiplier = 175;
1684#ifdef HAVE_PRE_ARMV7
1685 cycle_multiplier = 200;
1686#endif
1687 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
1688 spu_config.iUseFixedUpdates = 1;
1689
1690 McdDisable[0] = 0;
1691 McdDisable[1] = 1;
1692 init_memcard(Mcd1Data);
1693
1694 SaveFuncs.open = save_open;
1695 SaveFuncs.read = save_read;
1696 SaveFuncs.write = save_write;
1697 SaveFuncs.seek = save_seek;
1698 SaveFuncs.close = save_close;
1699
1700 update_variables(false);
1701 check_system_specs();
1702}
1703
1704void retro_deinit(void)
1705{
1706 SysClose();
1707#ifdef _3DS
1708 linearFree(vout_buf);
1709#else
1710 free(vout_buf);
1711#endif
1712 vout_buf = NULL;
1713
1714#ifdef VITA
1715 deinit_vita_mmap();
1716#endif
1717}
1718
1719#ifdef VITA
1720#include <psp2/kernel/threadmgr.h>
1721int usleep (unsigned long us)
1722{
1723 sceKernelDelayThread(us);
1724}
1725#endif
ARM optimized PCSX fork