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Merge pull request #118 from bochecha/master
[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#ifndef MIN
43#define MIN(a, b) ((a) < (b) ? (a) : (b))
44#endif
45
46#define ISHEXDEC ((buf[cursor]>='0') && (buf[cursor]<='9')) || ((buf[cursor]>='a') && (buf[cursor]<='f')) || ((buf[cursor]>='A') && (buf[cursor]<='F'))
47
48//hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
49static int rebootemu = 0;
50
51static retro_video_refresh_t video_cb;
52static retro_input_poll_t input_poll_cb;
53static retro_input_state_t input_state_cb;
54static retro_environment_t environ_cb;
55static retro_audio_sample_batch_t audio_batch_cb;
56static struct retro_rumble_interface rumble;
57
58static void *vout_buf;
59static void * vout_buf_ptr;
60static int vout_width, vout_height;
61static int vout_doffs_old, vout_fb_dirty;
62static bool vout_can_dupe;
63static bool duping_enable;
64static bool found_bios;
65
66static int plugins_opened;
67static int is_pal_mode;
68
69/* memory card data */
70extern char Mcd1Data[MCD_SIZE];
71extern char Mcd2Data[MCD_SIZE];
72extern char McdDisable[2];
73
74/* PCSX ReARMed core calls and stuff */
75int in_type[8] = { PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
76 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
77 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
78 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE };
79int in_analog_left[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
80int in_analog_right[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
81unsigned short in_keystate[PORTS_NUMBER];
82int multitap1 = 0;
83int multitap2 = 0;
84int in_enable_vibration = 1;
85
86/* PSX max resolution is 640x512, but with enhancement it's 1024x512 */
87#define VOUT_MAX_WIDTH 1024
88#define VOUT_MAX_HEIGHT 512
89
90//Dummy functions
91bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info){return false;}
92void retro_unload_game(void){}
93static int vout_open(void){return 0;}
94static void vout_close(void){}
95static int snd_init(void){return 0;}
96static void snd_finish(void){}
97static int snd_busy(void){return 0;}
98
99static void init_memcard(char *mcd_data)
100{
101 unsigned off = 0;
102 unsigned i;
103
104 memset(mcd_data, 0, MCD_SIZE);
105
106 mcd_data[off++] = 'M';
107 mcd_data[off++] = 'C';
108 off += 0x7d;
109 mcd_data[off++] = 0x0e;
110
111 for (i = 0; i < 15; i++) {
112 mcd_data[off++] = 0xa0;
113 off += 0x07;
114 mcd_data[off++] = 0xff;
115 mcd_data[off++] = 0xff;
116 off += 0x75;
117 mcd_data[off++] = 0xa0;
118 }
119
120 for (i = 0; i < 20; i++) {
121 mcd_data[off++] = 0xff;
122 mcd_data[off++] = 0xff;
123 mcd_data[off++] = 0xff;
124 mcd_data[off++] = 0xff;
125 off += 0x04;
126 mcd_data[off++] = 0xff;
127 mcd_data[off++] = 0xff;
128 off += 0x76;
129 }
130}
131
132static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
133{
134 vout_width = w;
135 vout_height = h;
136
137 struct retro_framebuffer fb = {0};
138
139 fb.width = vout_width;
140 fb.height = vout_height;
141 fb.access_flags = RETRO_MEMORY_ACCESS_WRITE;
142
143 vout_buf_ptr = vout_buf;
144
145 if (environ_cb(RETRO_ENVIRONMENT_GET_CURRENT_SOFTWARE_FRAMEBUFFER, &fb) && fb.format == RETRO_PIXEL_FORMAT_RGB565)
146 {
147 vout_buf_ptr = (uint16_t*)fb.data;
148 }
149
150}
151
152#ifndef FRONTEND_SUPPORTS_RGB565
153static void convert(void *buf, size_t bytes)
154{
155 unsigned int i, v, *p = buf;
156
157 for (i = 0; i < bytes / 4; i++) {
158 v = p[i];
159 p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0);
160 }
161}
162#endif
163
164static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
165{
166 unsigned short *dest = vout_buf_ptr;
167 const unsigned short *src = vram;
168 int dstride = vout_width, h1 = h;
169 int doffs;
170
171 if (vram == NULL) {
172 // blanking
173 memset(vout_buf_ptr, 0, dstride * h * 2);
174 goto out;
175 }
176
177 doffs = (vout_height - h) * dstride;
178 doffs += (dstride - w) / 2 & ~1;
179 if (doffs != vout_doffs_old) {
180 // clear borders
181 memset(vout_buf_ptr, 0, dstride * h * 2);
182 vout_doffs_old = doffs;
183 }
184 dest += doffs;
185
186 if (bgr24)
187 {
188 // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here?
189 for (; h1-- > 0; dest += dstride, src += stride)
190 {
191 bgr888_to_rgb565(dest, src, w * 3);
192 }
193 }
194 else
195 {
196 for (; h1-- > 0; dest += dstride, src += stride)
197 {
198 bgr555_to_rgb565(dest, src, w * 2);
199 }
200 }
201
202out:
203#ifndef FRONTEND_SUPPORTS_RGB565
204 convert(vout_buf_ptr, vout_width * vout_height * 2);
205#endif
206 vout_fb_dirty = 1;
207 pl_rearmed_cbs.flip_cnt++;
208}
209
210#ifdef _3DS
211typedef struct
212{
213 void* buffer;
214 uint32_t target_map;
215 size_t size;
216 enum psxMapTag tag;
217}psx_map_t;
218
219psx_map_t custom_psx_maps[] = {
220 {NULL, 0x13000000, 0x210000, MAP_TAG_RAM}, // 0x80000000
221 {NULL, 0x12800000, 0x010000, MAP_TAG_OTHER}, // 0x1f800000
222 {NULL, 0x12c00000, 0x080000, MAP_TAG_OTHER}, // 0x1fc00000
223 {NULL, 0x11000000, 0x800000, MAP_TAG_LUTS}, // 0x08000000
224 {NULL, 0x12000000, 0x200000, MAP_TAG_VRAM}, // 0x00000000
225};
226
227void* pl_3ds_mmap(unsigned long addr, size_t size, int is_fixed,
228 enum psxMapTag tag)
229{
230 (void)is_fixed;
231 (void)addr;
232
233 if (__ctr_svchax)
234 {
235 psx_map_t* custom_map = custom_psx_maps;
236
237 for (; custom_map->size; custom_map++)
238 {
239 if ((custom_map->size == size) && (custom_map->tag == tag))
240 {
241 uint32_t ptr_aligned, tmp;
242
243 custom_map->buffer = malloc(size + 0x1000);
244 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
245
246 if(svcControlMemory(&tmp, (void*)custom_map->target_map, (void*)ptr_aligned, size, MEMOP_MAP, 0x3) < 0)
247 {
248 SysPrintf("could not map memory @0x%08X\n", custom_map->target_map);
249 exit(1);
250 }
251
252 return (void*)custom_map->target_map;
253 }
254 }
255 }
256
257 return malloc(size);
258}
259
260void pl_3ds_munmap(void *ptr, size_t size, enum psxMapTag tag)
261{
262 (void)tag;
263
264 if (__ctr_svchax)
265 {
266 psx_map_t* custom_map = custom_psx_maps;
267
268 for (; custom_map->size; custom_map++)
269 {
270 if ((custom_map->target_map == (uint32_t)ptr))
271 {
272 uint32_t ptr_aligned, tmp;
273
274 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
275
276 svcControlMemory(&tmp, (void*)custom_map->target_map, (void*)ptr_aligned, size, MEMOP_UNMAP, 0x3);
277
278 free(custom_map->buffer);
279 custom_map->buffer = NULL;
280 return;
281 }
282 }
283 }
284
285 free(ptr);
286}
287#endif
288
289#ifdef VITA
290typedef struct
291{
292 void* buffer;
293 uint32_t target_map;
294 size_t size;
295 enum psxMapTag tag;
296}psx_map_t;
297
298void* addr = NULL;
299
300psx_map_t custom_psx_maps[] = {
301 {NULL, NULL, 0x210000, MAP_TAG_RAM}, // 0x80000000
302 {NULL, NULL, 0x010000, MAP_TAG_OTHER}, // 0x1f800000
303 {NULL, NULL, 0x080000, MAP_TAG_OTHER}, // 0x1fc00000
304 {NULL, NULL, 0x800000, MAP_TAG_LUTS}, // 0x08000000
305 {NULL, NULL, 0x200000, MAP_TAG_VRAM}, // 0x00000000
306};
307
308int init_vita_mmap(){
309 int n;
310 void * tmpaddr;
311 addr = malloc(64*1024*1024);
312 if(addr==NULL)
313 return -1;
314 tmpaddr = ((u32)(addr+0xFFFFFF))&~0xFFFFFF;
315 custom_psx_maps[0].buffer=tmpaddr+0x2000000;
316 custom_psx_maps[1].buffer=tmpaddr+0x1800000;
317 custom_psx_maps[2].buffer=tmpaddr+0x1c00000;
318 custom_psx_maps[3].buffer=tmpaddr+0x0000000;
319 custom_psx_maps[4].buffer=tmpaddr+0x1000000;
320#if 0
321 for(n = 0; n < 5; n++){
322 sceClibPrintf("addr reserved %x\n",custom_psx_maps[n].buffer);
323 }
324#endif
325 return 0;
326}
327
328void deinit_vita_mmap(){
329 free(addr);
330}
331
332void* pl_vita_mmap(unsigned long addr, size_t size, int is_fixed,
333 enum psxMapTag tag)
334{
335 (void)is_fixed;
336 (void)addr;
337
338
339 psx_map_t* custom_map = custom_psx_maps;
340
341 for (; custom_map->size; custom_map++)
342 {
343 if ((custom_map->size == size) && (custom_map->tag == tag))
344 {
345 return custom_map->buffer;
346 }
347 }
348
349
350 return malloc(size);
351}
352
353void pl_vita_munmap(void *ptr, size_t size, enum psxMapTag tag)
354{
355 (void)tag;
356
357 psx_map_t* custom_map = custom_psx_maps;
358
359 for (; custom_map->size; custom_map++)
360 {
361 if ((custom_map->buffer == ptr))
362 {
363 return;
364 }
365 }
366
367 free(ptr);
368}
369#endif
370
371static void *pl_mmap(unsigned int size)
372{
373 return psxMap(0, size, 0, MAP_TAG_VRAM);
374}
375
376static void pl_munmap(void *ptr, unsigned int size)
377{
378 psxUnmap(ptr, size, MAP_TAG_VRAM);
379}
380
381struct rearmed_cbs pl_rearmed_cbs = {
382 .pl_vout_open = vout_open,
383 .pl_vout_set_mode = vout_set_mode,
384 .pl_vout_flip = vout_flip,
385 .pl_vout_close = vout_close,
386 .mmap = pl_mmap,
387 .munmap = pl_munmap,
388 /* from psxcounters */
389 .gpu_hcnt = &hSyncCount,
390 .gpu_frame_count = &frame_counter,
391};
392
393void pl_frame_limit(void)
394{
395 /* called once per frame, make psxCpu->Execute() above return */
396 stop = 1;
397}
398
399void pl_timing_prepare(int is_pal)
400{
401 is_pal_mode = is_pal;
402}
403
404void plat_trigger_vibrate(int pad, int low, int high)
405{
406 if(in_enable_vibration)
407 {
408 rumble.set_rumble_state(pad, RETRO_RUMBLE_STRONG, high << 8);
409 rumble.set_rumble_state(pad, RETRO_RUMBLE_WEAK, low ? 0xffff : 0x0);
410 }
411}
412
413void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in)
414{
415}
416
417/* sound calls */
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 { "pcsx_rearmed_vibration", "Enable Vibration; enabled|disabled" },
450#ifndef DRC_DISABLE
451 { "pcsx_rearmed_drc", "Dynamic recompiler; enabled|disabled" },
452#endif
453#ifdef __ARM_NEON__
454 { "pcsx_rearmed_neon_interlace_enable", "Enable interlacing mode(s); disabled|enabled" },
455 { "pcsx_rearmed_neon_enhancement_enable", "Enhanced resolution (slow); disabled|enabled" },
456 { "pcsx_rearmed_neon_enhancement_no_main", "Enhanced resolution speed hack; disabled|enabled" },
457#endif
458 { "pcsx_rearmed_duping_enable", "Frame duping; enabled|disabled" },
459 { "pcsx_rearmed_show_bios_bootlogo", "Show Bios Bootlogo(Breaks some games); disabled|enabled" },
460 { "pcsx_rearmed_spu_reverb", "Sound: Reverb; enabled|disabled" },
461 { "pcsx_rearmed_spu_interpolation", "Sound: Interpolation; simple|gaussian|cubic|off" },
462 { "pcsx_rearmed_pe2_fix", "Parasite Eve 2/Vandal Hearts 1/2 Fix; disabled|enabled" },
463 { "pcsx_rearmed_inuyasha_fix", "InuYasha Sengoku Battle Fix; disabled|enabled" },
464 { NULL, NULL },
465 };
466
467 environ_cb = cb;
468
469 cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void*)vars);
470}
471
472void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
473void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
474void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
475void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
476void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
477
478unsigned retro_api_version(void)
479{
480 return RETRO_API_VERSION;
481}
482
483static int controller_port_variable(unsigned port, struct retro_variable *var)
484{
485 if (port >= PORTS_NUMBER)
486 return 0;
487
488 if (!environ_cb)
489 return 0;
490
491 var->value = NULL;
492 switch (port) {
493 case 0:
494 var->key = "pcsx_rearmed_pad1type";
495 break;
496 case 1:
497 var->key = "pcsx_rearmed_pad2type";
498 break;
499 case 2:
500 var->key = "pcsx_rearmed_pad3type";
501 break;
502 case 3:
503 var->key = "pcsx_rearmed_pad4type";
504 break;
505 case 4:
506 var->key = "pcsx_rearmed_pad5type";
507 break;
508 case 5:
509 var->key = "pcsx_rearmed_pad6type";
510 break;
511 case 6:
512 var->key = "pcsx_rearmed_pad7type";
513 break;
514 case 7:
515 var->key = "pcsx_rearmed_pad8type";
516 break;
517 }
518
519 return environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, var) || var->value;
520}
521
522static void update_controller_port_variable(unsigned port)
523{
524 if (port >= PORTS_NUMBER)
525 return;
526
527 struct retro_variable var;
528
529 if (controller_port_variable(port, &var))
530 {
531 if (strcmp(var.value, "standard") == 0)
532 in_type[port] = PSE_PAD_TYPE_STANDARD;
533 else if (strcmp(var.value, "analog") == 0)
534 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
535 else if (strcmp(var.value, "negcon") == 0)
536 in_type[port] = PSE_PAD_TYPE_NEGCON;
537 else if (strcmp(var.value, "none") == 0)
538 in_type[port] = PSE_PAD_TYPE_NONE;
539 // else 'default' case, do nothing
540 }
541}
542
543static void update_controller_port_device(unsigned port, unsigned device)
544{
545 if (port >= PORTS_NUMBER)
546 return;
547
548 struct retro_variable var;
549
550 if (!controller_port_variable(port, &var))
551 return;
552
553 if (strcmp(var.value, "default") != 0)
554 return;
555
556 switch (device)
557 {
558 case RETRO_DEVICE_JOYPAD:
559 in_type[port] = PSE_PAD_TYPE_STANDARD;
560 break;
561 case RETRO_DEVICE_ANALOG:
562 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
563 break;
564 case RETRO_DEVICE_MOUSE:
565 in_type[port] = PSE_PAD_TYPE_MOUSE;
566 break;
567 case RETRO_DEVICE_LIGHTGUN:
568 in_type[port] = PSE_PAD_TYPE_GUN;
569 break;
570 case RETRO_DEVICE_NONE:
571 default:
572 in_type[port] = PSE_PAD_TYPE_NONE;
573 }
574}
575
576static void update_multitap()
577{
578 struct retro_variable var;
579 int auto_case, port;
580
581 var.value = NULL;
582 var.key = "pcsx_rearmed_multitap1";
583 auto_case = 0;
584 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value))
585 {
586 if (strcmp(var.value, "enabled") == 0)
587 multitap1 = 1;
588 else if (strcmp(var.value, "disabled") == 0)
589 multitap1 = 0;
590 else // 'auto' case
591 auto_case = 1;
592 }
593 else
594 auto_case = 1;
595
596 if (auto_case)
597 {
598 // If a gamepad is plugged after port 2, we need a first multitap.
599 multitap1 = 0;
600 for (port = 2; port < PORTS_NUMBER; port++)
601 multitap1 |= in_type[port] != PSE_PAD_TYPE_NONE;
602 }
603
604 var.value = NULL;
605 var.key = "pcsx_rearmed_multitap2";
606 auto_case = 0;
607 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value))
608 {
609 if (strcmp(var.value, "enabled") == 0)
610 multitap2 = 1;
611 else if (strcmp(var.value, "disabled") == 0)
612 multitap2 = 0;
613 else // 'auto' case
614 auto_case = 1;
615 }
616 else
617 auto_case = 1;
618
619 if (auto_case)
620 {
621 // If a gamepad is plugged after port 4, we need a second multitap.
622 multitap2 = 0;
623 for (port = 4; port < PORTS_NUMBER; port++)
624 multitap2 |= in_type[port] != PSE_PAD_TYPE_NONE;
625 }
626}
627
628void retro_set_controller_port_device(unsigned port, unsigned device)
629{
630 SysPrintf("port %u device %u",port,device);
631
632 if (port >= PORTS_NUMBER)
633 return;
634
635 update_controller_port_device(port, device);
636 update_multitap();
637}
638
639void retro_get_system_info(struct retro_system_info *info)
640{
641 memset(info, 0, sizeof(*info));
642 info->library_name = "PCSX-ReARMed";
643#ifndef GIT_VERSION
644#define GIT_VERSION ""
645#endif
646 info->library_version = "r22" GIT_VERSION;
647 info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u";
648 info->need_fullpath = true;
649}
650
651void retro_get_system_av_info(struct retro_system_av_info *info)
652{
653 memset(info, 0, sizeof(*info));
654 info->timing.fps = is_pal_mode ? 50 : 60;
655 info->timing.sample_rate = 44100;
656 info->geometry.base_width = 320;
657 info->geometry.base_height = 240;
658 info->geometry.max_width = VOUT_MAX_WIDTH;
659 info->geometry.max_height = VOUT_MAX_HEIGHT;
660 info->geometry.aspect_ratio = 4.0 / 3.0;
661}
662
663/* savestates */
664size_t retro_serialize_size(void)
665{
666 // it's currently 4380651-4397047 bytes,
667 // but have some reserved for future
668 return 0x440000;
669}
670
671struct save_fp {
672 char *buf;
673 size_t pos;
674 int is_write;
675};
676
677static void *save_open(const char *name, const char *mode)
678{
679 struct save_fp *fp;
680
681 if (name == NULL || mode == NULL)
682 return NULL;
683
684 fp = malloc(sizeof(*fp));
685 if (fp == NULL)
686 return NULL;
687
688 fp->buf = (char *)name;
689 fp->pos = 0;
690 fp->is_write = (mode[0] == 'w' || mode[1] == 'w');
691
692 return fp;
693}
694
695static int save_read(void *file, void *buf, u32 len)
696{
697 struct save_fp *fp = file;
698 if (fp == NULL || buf == NULL)
699 return -1;
700
701 memcpy(buf, fp->buf + fp->pos, len);
702 fp->pos += len;
703 return len;
704}
705
706static int save_write(void *file, const void *buf, u32 len)
707{
708 struct save_fp *fp = file;
709 if (fp == NULL || buf == NULL)
710 return -1;
711
712 memcpy(fp->buf + fp->pos, buf, len);
713 fp->pos += len;
714 return len;
715}
716
717static long save_seek(void *file, long offs, int whence)
718{
719 struct save_fp *fp = file;
720 if (fp == NULL)
721 return -1;
722
723 switch (whence) {
724 case SEEK_CUR:
725 fp->pos += offs;
726 return fp->pos;
727 case SEEK_SET:
728 fp->pos = offs;
729 return fp->pos;
730 default:
731 return -1;
732 }
733}
734
735static void save_close(void *file)
736{
737 struct save_fp *fp = file;
738 size_t r_size = retro_serialize_size();
739 if (fp == NULL)
740 return;
741
742 if (fp->pos > r_size)
743 SysPrintf("ERROR: save buffer overflow detected\n");
744 else if (fp->is_write && fp->pos < r_size)
745 // make sure we don't save trash in leftover space
746 memset(fp->buf + fp->pos, 0, r_size - fp->pos);
747 free(fp);
748}
749
750bool retro_serialize(void *data, size_t size)
751{
752 int ret = SaveState(data);
753 return ret == 0 ? true : false;
754}
755
756bool retro_unserialize(const void *data, size_t size)
757{
758 int ret = LoadState(data);
759 return ret == 0 ? true : false;
760}
761
762/* cheats */
763void retro_cheat_reset(void)
764{
765 ClearAllCheats();
766}
767
768void retro_cheat_set(unsigned index, bool enabled, const char *code)
769{
770 char buf[256];
771 int ret;
772
773 // cheat funcs are destructive, need a copy..
774 strncpy(buf, code, sizeof(buf));
775 buf[sizeof(buf) - 1] = 0;
776
777 //Prepare buffered cheat for PCSX's AddCheat fucntion.
778 int cursor=0;
779 int nonhexdec=0;
780 while (buf[cursor]){
781 if (!(ISHEXDEC)){
782 if (++nonhexdec%2){
783 buf[cursor]=' ';
784 } else {
785 buf[cursor]='\n';
786 }
787 }
788 cursor++;
789 }
790
791
792 if (index < NumCheats)
793 ret = EditCheat(index, "", buf);
794 else
795 ret = AddCheat("", buf);
796
797 if (ret != 0)
798 SysPrintf("Failed to set cheat %#u\n", index);
799 else if (index < NumCheats)
800 Cheats[index].Enabled = enabled;
801}
802
803/* multidisk support */
804static bool disk_ejected;
805static unsigned int disk_current_index;
806static unsigned int disk_count;
807static struct disks_state {
808 char *fname;
809 int internal_index; // for multidisk eboots
810} disks[8];
811
812static bool disk_set_eject_state(bool ejected)
813{
814 // weird PCSX API..
815 SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2));
816 LidInterrupt();
817
818 disk_ejected = ejected;
819 return true;
820}
821
822static bool disk_get_eject_state(void)
823{
824 /* can't be controlled by emulated software */
825 return disk_ejected;
826}
827
828static unsigned int disk_get_image_index(void)
829{
830 return disk_current_index;
831}
832
833static bool disk_set_image_index(unsigned int index)
834{
835 if (index >= sizeof(disks) / sizeof(disks[0]))
836 return false;
837
838 CdromId[0] = '\0';
839 CdromLabel[0] = '\0';
840
841 if (disks[index].fname == NULL) {
842 SysPrintf("missing disk #%u\n", index);
843 CDR_shutdown();
844
845 // RetroArch specifies "no disk" with index == count,
846 // so don't fail here..
847 disk_current_index = index;
848 return true;
849 }
850
851 SysPrintf("switching to disk %u: \"%s\" #%d\n", index,
852 disks[index].fname, disks[index].internal_index);
853
854 cdrIsoMultidiskSelect = disks[index].internal_index;
855 set_cd_image(disks[index].fname);
856 if (ReloadCdromPlugin() < 0) {
857 SysPrintf("failed to load cdr plugin\n");
858 return false;
859 }
860 if (CDR_open() < 0) {
861 SysPrintf("failed to open cdr plugin\n");
862 return false;
863 }
864
865 if (!disk_ejected) {
866 SetCdOpenCaseTime(time(NULL) + 2);
867 LidInterrupt();
868 }
869
870 disk_current_index = index;
871 return true;
872}
873
874static unsigned int disk_get_num_images(void)
875{
876 return disk_count;
877}
878
879static bool disk_replace_image_index(unsigned index,
880 const struct retro_game_info *info)
881{
882 char *old_fname;
883 bool ret = true;
884
885 if (index >= sizeof(disks) / sizeof(disks[0]))
886 return false;
887
888 old_fname = disks[index].fname;
889 disks[index].fname = NULL;
890 disks[index].internal_index = 0;
891
892 if (info != NULL) {
893 disks[index].fname = strdup(info->path);
894 if (index == disk_current_index)
895 ret = disk_set_image_index(index);
896 }
897
898 if (old_fname != NULL)
899 free(old_fname);
900
901 return ret;
902}
903
904static bool disk_add_image_index(void)
905{
906 if (disk_count >= 8)
907 return false;
908
909 disk_count++;
910 return true;
911}
912
913static struct retro_disk_control_callback disk_control = {
914 .set_eject_state = disk_set_eject_state,
915 .get_eject_state = disk_get_eject_state,
916 .get_image_index = disk_get_image_index,
917 .set_image_index = disk_set_image_index,
918 .get_num_images = disk_get_num_images,
919 .replace_image_index = disk_replace_image_index,
920 .add_image_index = disk_add_image_index,
921};
922
923// just in case, maybe a win-rt port in the future?
924#ifdef _WIN32
925#define SLASH '\\'
926#else
927#define SLASH '/'
928#endif
929
930#ifndef PATH_MAX
931#define PATH_MAX 4096
932#endif
933
934static char base_dir[PATH_MAX];
935
936static bool read_m3u(const char *file)
937{
938 char line[PATH_MAX];
939 char name[PATH_MAX];
940 FILE *f = fopen(file, "r");
941 if (!f)
942 return false;
943
944 while (fgets(line, sizeof(line), f) && disk_count < sizeof(disks) / sizeof(disks[0])) {
945 if (line[0] == '#')
946 continue;
947 char *carrige_return = strchr(line, '\r');
948 if (carrige_return)
949 *carrige_return = '\0';
950 char *newline = strchr(line, '\n');
951 if (newline)
952 *newline = '\0';
953
954 if (line[0] != '\0')
955 {
956 snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
957 disks[disk_count++].fname = strdup(name);
958 }
959 }
960
961 fclose(f);
962 return (disk_count != 0);
963}
964
965static void extract_directory(char *buf, const char *path, size_t size)
966{
967 char *base;
968 strncpy(buf, path, size - 1);
969 buf[size - 1] = '\0';
970
971 base = strrchr(buf, '/');
972 if (!base)
973 base = strrchr(buf, '\\');
974
975 if (base)
976 *base = '\0';
977 else
978 {
979 buf[0] = '.';
980 buf[1] = '\0';
981 }
982}
983
984#if defined(__QNX__) || defined(_WIN32)
985/* Blackberry QNX doesn't have strcasestr */
986
987/*
988 * Find the first occurrence of find in s, ignore case.
989 */
990char *
991strcasestr(const char *s, const char*find)
992{
993 char c, sc;
994 size_t len;
995
996 if ((c = *find++) != 0) {
997 c = tolower((unsigned char)c);
998 len = strlen(find);
999 do {
1000 do {
1001 if ((sc = *s++) == 0)
1002 return (NULL);
1003 } while ((char)tolower((unsigned char)sc) != c);
1004 } while (strncasecmp(s, find, len) != 0);
1005 s--;
1006 }
1007 return ((char *)s);
1008}
1009#endif
1010
1011bool retro_load_game(const struct retro_game_info *info)
1012{
1013 size_t i;
1014 bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
1015
1016 struct retro_input_descriptor desc[] = {
1017 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1018 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1019 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1020 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1021 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1022 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1023 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1024 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1025 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1026 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1027 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1028 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1029 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1030 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1031 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1032 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1033 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1034 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1035 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1036 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1037
1038
1039 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1040 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1041 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1042 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1043 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1044 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1045 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1046 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1047 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1048 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1049 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1050 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1051 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1052 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1053 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1054 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1055 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1056 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1057 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1058 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1059
1060 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1061 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1062 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1063 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1064 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1065 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1066 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1067 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1068 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1069 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1070 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1071 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1072 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1073 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1074 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1075 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1076 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1077 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1078 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1079 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1080
1081 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1082 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1083 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1084 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1085 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1086 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1087 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1088 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1089 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1090 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1091 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1092 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1093 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1094 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1095 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1096 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1097 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1098 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1099 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1100 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1101
1102 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1103 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1104 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1105 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1106 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1107 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1108 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1109 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1110 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1111 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1112 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1113 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1114 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1115 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1116 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1117 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1118 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1119 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1120 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1121 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1122
1123 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1124 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1125 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1126 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1127 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1128 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1129 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1130 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1131 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1132 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1133 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1134 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1135 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1136 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1137 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1138 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1139 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1140 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1141 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1142 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1143
1144 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1145 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1146 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1147 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1148 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1149 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1150 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1151 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1152 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1153 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1154 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1155 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1156 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1157 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1158 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1159 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1160 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1161 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1162 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1163 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1164
1165 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1166 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1167 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1168 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1169 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1170 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1171 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1172 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1173 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1174 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1175 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1176 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1177 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1178 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1179 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1180 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1181 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1182 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1183 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1184 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1185
1186 { 0 },
1187 };
1188
1189 environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
1190
1191#ifdef FRONTEND_SUPPORTS_RGB565
1192 enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
1193 if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) {
1194 SysPrintf("RGB565 supported, using it\n");
1195 }
1196#endif
1197
1198 if (info == NULL || info->path == NULL) {
1199 SysPrintf("info->path required\n");
1200 return false;
1201 }
1202
1203 if (plugins_opened) {
1204 ClosePlugins();
1205 plugins_opened = 0;
1206 }
1207
1208 for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++) {
1209 if (disks[i].fname != NULL) {
1210 free(disks[i].fname);
1211 disks[i].fname = NULL;
1212 }
1213 disks[i].internal_index = 0;
1214 }
1215
1216 disk_current_index = 0;
1217 extract_directory(base_dir, info->path, sizeof(base_dir));
1218
1219 if (is_m3u) {
1220 if (!read_m3u(info->path)) {
1221 SysPrintf("failed to read m3u file\n");
1222 return false;
1223 }
1224 } else {
1225 disk_count = 1;
1226 disks[0].fname = strdup(info->path);
1227 }
1228
1229 set_cd_image(disks[0].fname);
1230
1231 /* have to reload after set_cd_image for correct cdr plugin */
1232 if (LoadPlugins() == -1) {
1233 SysPrintf("failed to load plugins\n");
1234 return false;
1235 }
1236
1237 plugins_opened = 1;
1238 NetOpened = 0;
1239
1240 if (OpenPlugins() == -1) {
1241 SysPrintf("failed to open plugins\n");
1242 return false;
1243 }
1244
1245 plugin_call_rearmed_cbs();
1246 dfinput_activate();
1247
1248 Config.PsxAuto = 1;
1249 if (CheckCdrom() == -1) {
1250 SysPrintf("unsupported/invalid CD image: %s\n", info->path);
1251 return false;
1252 }
1253
1254 SysReset();
1255
1256 if (LoadCdrom() == -1) {
1257 SysPrintf("could not load CD-ROM!\n");
1258 return false;
1259 }
1260 emu_on_new_cd(0);
1261
1262 // multidisk images
1263 if (!is_m3u) {
1264 disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8;
1265 for (i = 1; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++) {
1266 disks[i].fname = strdup(info->path);
1267 disks[i].internal_index = i;
1268 }
1269 }
1270
1271 return true;
1272}
1273
1274unsigned retro_get_region(void)
1275{
1276 return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
1277}
1278
1279void *retro_get_memory_data(unsigned id)
1280{
1281 if (id == RETRO_MEMORY_SAVE_RAM)
1282 return Mcd1Data;
1283 else
1284 return NULL;
1285}
1286
1287size_t retro_get_memory_size(unsigned id)
1288{
1289 if (id == RETRO_MEMORY_SAVE_RAM)
1290 return MCD_SIZE;
1291 else
1292 return 0;
1293}
1294
1295void retro_reset(void)
1296{
1297 //hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
1298 rebootemu = 1;
1299 //SysReset();
1300}
1301
1302static const unsigned short retro_psx_map[] = {
1303 [RETRO_DEVICE_ID_JOYPAD_B] = 1 << DKEY_CROSS,
1304 [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << DKEY_SQUARE,
1305 [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT,
1306 [RETRO_DEVICE_ID_JOYPAD_START] = 1 << DKEY_START,
1307 [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << DKEY_UP,
1308 [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << DKEY_DOWN,
1309 [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << DKEY_LEFT,
1310 [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << DKEY_RIGHT,
1311 [RETRO_DEVICE_ID_JOYPAD_A] = 1 << DKEY_CIRCLE,
1312 [RETRO_DEVICE_ID_JOYPAD_X] = 1 << DKEY_TRIANGLE,
1313 [RETRO_DEVICE_ID_JOYPAD_L] = 1 << DKEY_L1,
1314 [RETRO_DEVICE_ID_JOYPAD_R] = 1 << DKEY_R1,
1315 [RETRO_DEVICE_ID_JOYPAD_L2] = 1 << DKEY_L2,
1316 [RETRO_DEVICE_ID_JOYPAD_R2] = 1 << DKEY_R2,
1317 [RETRO_DEVICE_ID_JOYPAD_L3] = 1 << DKEY_L3,
1318 [RETRO_DEVICE_ID_JOYPAD_R3] = 1 << DKEY_R3,
1319};
1320#define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
1321
1322static void update_variables(bool in_flight)
1323{
1324 struct retro_variable var;
1325 int i;
1326
1327 var.value = NULL;
1328 var.key = "pcsx_rearmed_frameskip";
1329 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1330 pl_rearmed_cbs.frameskip = atoi(var.value);
1331
1332 var.value = NULL;
1333 var.key = "pcsx_rearmed_region";
1334 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1335 {
1336 Config.PsxAuto = 0;
1337 if (strcmp(var.value, "Automatic") == 0)
1338 Config.PsxAuto = 1;
1339 else if (strcmp(var.value, "NTSC") == 0)
1340 Config.PsxType = 0;
1341 else if (strcmp(var.value, "PAL") == 0)
1342 Config.PsxType = 1;
1343 }
1344
1345 for (i = 0; i < PORTS_NUMBER; i++)
1346 update_controller_port_variable(i);
1347
1348 update_multitap();
1349
1350 var.value = NULL;
1351 var.key = "pcsx_rearmed_vibration";
1352
1353 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1354 {
1355 if (strcmp(var.value, "disabled") == 0)
1356 in_enable_vibration = 0;
1357 else if (strcmp(var.value, "enabled") == 0)
1358 in_enable_vibration = 1;
1359 }
1360
1361#ifdef __ARM_NEON__
1362 var.value = "NULL";
1363 var.key = "pcsx_rearmed_neon_interlace_enable";
1364
1365 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1366 {
1367 if (strcmp(var.value, "disabled") == 0)
1368 pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
1369 else if (strcmp(var.value, "enabled") == 0)
1370 pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
1371 }
1372
1373 var.value = NULL;
1374 var.key = "pcsx_rearmed_neon_enhancement_enable";
1375
1376 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1377 {
1378 if (strcmp(var.value, "disabled") == 0)
1379 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
1380 else if (strcmp(var.value, "enabled") == 0)
1381 pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
1382 }
1383
1384 var.value = NULL;
1385 var.key = "pcsx_rearmed_neon_enhancement_no_main";
1386
1387 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1388 {
1389 if (strcmp(var.value, "disabled") == 0)
1390 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
1391 else if (strcmp(var.value, "enabled") == 0)
1392 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1;
1393 }
1394#endif
1395
1396 var.value = "NULL";
1397 var.key = "pcsx_rearmed_duping_enable";
1398
1399 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1400 {
1401 if (strcmp(var.value, "disabled") == 0)
1402 duping_enable = false;
1403 else if (strcmp(var.value, "enabled") == 0)
1404 duping_enable = true;
1405 }
1406
1407#ifndef DRC_DISABLE
1408 var.value = NULL;
1409 var.key = "pcsx_rearmed_drc";
1410
1411 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1412 {
1413 R3000Acpu *prev_cpu = psxCpu;
1414
1415#ifdef _3DS
1416 if(!__ctr_svchax)
1417 Config.Cpu = CPU_INTERPRETER;
1418 else
1419#endif
1420 if (strcmp(var.value, "disabled") == 0)
1421 Config.Cpu = CPU_INTERPRETER;
1422 else if (strcmp(var.value, "enabled") == 0)
1423 Config.Cpu = CPU_DYNAREC;
1424
1425 psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
1426 if (psxCpu != prev_cpu) {
1427 prev_cpu->Shutdown();
1428 psxCpu->Init();
1429 psxCpu->Reset(); // not really a reset..
1430 }
1431 }
1432#endif
1433
1434 var.value = "NULL";
1435 var.key = "pcsx_rearmed_spu_reverb";
1436
1437 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1438 {
1439 if (strcmp(var.value, "disabled") == 0)
1440 spu_config.iUseReverb = false;
1441 else if (strcmp(var.value, "enabled") == 0)
1442 spu_config.iUseReverb = true;
1443 }
1444
1445 var.value = "NULL";
1446 var.key = "pcsx_rearmed_spu_interpolation";
1447
1448 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1449 {
1450 if (strcmp(var.value, "simple") == 0)
1451 spu_config.iUseInterpolation = 1;
1452 else if (strcmp(var.value, "gaussian") == 0)
1453 spu_config.iUseInterpolation = 2;
1454 else if (strcmp(var.value, "cubic") == 0)
1455 spu_config.iUseInterpolation = 3;
1456 else if (strcmp(var.value, "off") == 0)
1457 spu_config.iUseInterpolation = 0;
1458 }
1459
1460 var.value = "NULL";
1461 var.key = "pcsx_rearmed_pe2_fix";
1462
1463 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1464 {
1465 if (strcmp(var.value, "disabled") == 0)
1466 Config.RCntFix = 0;
1467 else if (strcmp(var.value, "enabled") == 0)
1468 Config.RCntFix = 1;
1469 }
1470
1471 var.value = "NULL";
1472 var.key = "pcsx_rearmed_inuyasha_fix";
1473
1474 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1475 {
1476 if (strcmp(var.value, "disabled") == 0)
1477 Config.VSyncWA = 0;
1478 else if (strcmp(var.value, "enabled") == 0)
1479 Config.VSyncWA = 1;
1480 }
1481
1482 if (in_flight) {
1483 // inform core things about possible config changes
1484 plugin_call_rearmed_cbs();
1485
1486 if (GPU_open != NULL && GPU_close != NULL) {
1487 GPU_close();
1488 GPU_open(&gpuDisp, "PCSX", NULL);
1489 }
1490
1491 dfinput_activate();
1492 }
1493 else{
1494 //not yet running
1495
1496 //bootlogo display hack
1497 if (found_bios) {
1498 var.value = "NULL";
1499 var.key = "pcsx_rearmed_show_bios_bootlogo";
1500 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1501 {
1502 if (strcmp(var.value, "enabled") == 0)
1503 rebootemu = 1;
1504 }
1505 }
1506 }
1507}
1508
1509void retro_run(void)
1510{
1511 int i;
1512 //SysReset must be run while core is running,Not in menu (Locks up Retroarch)
1513 if(rebootemu != 0){
1514 rebootemu = 0;
1515 SysReset();
1516 }
1517
1518 input_poll_cb();
1519
1520 bool updated = false;
1521 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
1522 update_variables(true);
1523
1524 // reset all keystate, query libretro for keystate
1525 int j;
1526 for(i = 0; i < PORTS_NUMBER; i++) {
1527 in_keystate[i] = 0;
1528
1529 if (in_type[i] == PSE_PAD_TYPE_NONE)
1530 continue;
1531
1532 // query libretro for keystate
1533 for (j = 0; j < RETRO_PSX_MAP_LEN; j++)
1534 if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, j))
1535 in_keystate[i] |= retro_psx_map[j];
1536
1537 if (in_type[i] == PSE_PAD_TYPE_ANALOGPAD)
1538 {
1539 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);
1540 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);
1541 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);
1542 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);
1543 }
1544 }
1545
1546 stop = 0;
1547 psxCpu->Execute();
1548
1549 video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf_ptr : NULL,
1550 vout_width, vout_height, vout_width * 2);
1551 vout_fb_dirty = 0;
1552}
1553
1554static bool try_use_bios(const char *path)
1555{
1556 FILE *f;
1557 long size;
1558 const char *name;
1559
1560 f = fopen(path, "rb");
1561 if (f == NULL)
1562 return false;
1563
1564 fseek(f, 0, SEEK_END);
1565 size = ftell(f);
1566 fclose(f);
1567
1568 if (size != 512 * 1024)
1569 return false;
1570
1571 name = strrchr(path, SLASH);
1572 if (name++ == NULL)
1573 name = path;
1574 snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
1575 return true;
1576}
1577
1578#ifndef VITA
1579#include <sys/types.h>
1580#include <dirent.h>
1581
1582static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
1583{
1584 DIR *dir;
1585 struct dirent *ent;
1586 bool ret = false;
1587
1588 dir = opendir(dirpath);
1589 if (dir == NULL)
1590 return false;
1591
1592 while ((ent = readdir(dir))) {
1593 if (strncasecmp(ent->d_name, "scph", 4) != 0)
1594 continue;
1595
1596 snprintf(path, path_size, "%s/%s", dirpath, ent->d_name);
1597 ret = try_use_bios(path);
1598 if (ret)
1599 break;
1600 }
1601 closedir(dir);
1602 return ret;
1603}
1604#else
1605#define find_any_bios(...) false
1606#endif
1607
1608static void check_system_specs(void)
1609{
1610 unsigned level = 6;
1611 environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
1612}
1613
1614void retro_init(void)
1615{
1616 const char *bios[] = { "scph1001", "scph5501", "scph7001" };
1617 const char *dir;
1618 char path[256];
1619 int i, ret;
1620
1621 found_bios = false;
1622
1623#ifdef __MACH__
1624 // magic sauce to make the dynarec work on iOS
1625 syscall(SYS_ptrace, 0 /*PTRACE_TRACEME*/, 0, 0, 0);
1626#endif
1627
1628#ifdef _3DS
1629 psxMapHook = pl_3ds_mmap;
1630 psxUnmapHook = pl_3ds_munmap;
1631#endif
1632#ifdef VITA
1633 if(init_vita_mmap()<0)
1634 abort();
1635 psxMapHook = pl_vita_mmap;
1636 psxUnmapHook = pl_vita_munmap;
1637#endif
1638 ret = emu_core_preinit();
1639#ifdef _3DS
1640 /* emu_core_preinit sets the cpu to dynarec */
1641 if(!__ctr_svchax)
1642 Config.Cpu = CPU_INTERPRETER;
1643#endif
1644
1645 ret |= emu_core_init();
1646 if (ret != 0) {
1647 SysPrintf("PCSX init failed.\n");
1648 exit(1);
1649 }
1650
1651#ifdef _3DS
1652 vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
1653#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && !defined(VITA)
1654 posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
1655#else
1656 vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
1657#endif
1658
1659 vout_buf_ptr = vout_buf;
1660
1661 if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
1662 {
1663 snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s", dir);
1664
1665 for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++) {
1666 snprintf(path, sizeof(path), "%s/%s.bin", dir, bios[i]);
1667 found_bios = try_use_bios(path);
1668 if (found_bios)
1669 break;
1670 }
1671
1672 if (!found_bios)
1673 found_bios = find_any_bios(dir, path, sizeof(path));
1674 }
1675 if (found_bios) {
1676 SysPrintf("found BIOS file: %s\n", Config.Bios);
1677 }
1678 else
1679 {
1680 SysPrintf("no BIOS files found.\n");
1681 struct retro_message msg =
1682 {
1683 "No BIOS file found - add for better compatibility",
1684 180
1685 };
1686 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, (void*)&msg);
1687 }
1688
1689 environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
1690 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
1691 environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble);
1692
1693 /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
1694 * we have to do this because cache misses and some IO penalties
1695 * are not emulated. Warning: changing this may break compatibility. */
1696 cycle_multiplier = 175;
1697#ifdef HAVE_PRE_ARMV7
1698 cycle_multiplier = 200;
1699#endif
1700 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
1701 spu_config.iUseFixedUpdates = 1;
1702
1703 McdDisable[0] = 0;
1704 McdDisable[1] = 1;
1705 init_memcard(Mcd1Data);
1706 init_memcard(Mcd2Data);
1707
1708 SaveFuncs.open = save_open;
1709 SaveFuncs.read = save_read;
1710 SaveFuncs.write = save_write;
1711 SaveFuncs.seek = save_seek;
1712 SaveFuncs.close = save_close;
1713
1714 update_variables(false);
1715 check_system_specs();
1716}
1717
1718void retro_deinit(void)
1719{
1720 SysClose();
1721#ifdef _3DS
1722 linearFree(vout_buf);
1723#else
1724 free(vout_buf);
1725#endif
1726 vout_buf = NULL;
1727
1728#ifdef VITA
1729 deinit_vita_mmap();
1730#endif
1731}
1732
1733#ifdef VITA
1734#include <psp2/kernel/threadmgr.h>
1735int usleep (unsigned long us)
1736{
1737 sceKernelDelayThread(us);
1738}
1739#endif
ARM optimized PCSX fork