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Fix zero-copy (software) buffer
[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;
57static struct retro_log_callback logging;
58static retro_log_printf_t log_cb;
59
60static void *vout_buf;
61static void * vout_buf_ptr;
62static int vout_width, vout_height;
63static int vout_doffs_old, vout_fb_dirty;
64static bool vout_can_dupe;
65static bool duping_enable;
66static bool found_bios;
67
68static int plugins_opened;
69static int is_pal_mode;
70
71/* memory card data */
72extern char Mcd1Data[MCD_SIZE];
73extern char Mcd2Data[MCD_SIZE];
74extern char McdDisable[2];
75
76/* PCSX ReARMed core calls and stuff */
77int in_type[8] = { PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
78 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
79 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
80 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE };
81int in_analog_left[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
82int in_analog_right[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
83unsigned short in_keystate[PORTS_NUMBER];
84int multitap1 = 0;
85int multitap2 = 0;
86int in_enable_vibration = 1;
87
88/* PSX max resolution is 640x512, but with enhancement it's 1024x512 */
89#define VOUT_MAX_WIDTH 1024
90#define VOUT_MAX_HEIGHT 512
91
92//Dummy functions
93bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info){return false;}
94void retro_unload_game(void){}
95static int vout_open(void){return 0;}
96static void vout_close(void){}
97static int snd_init(void){return 0;}
98static void snd_finish(void){}
99static int snd_busy(void){return 0;}
100
101static void init_memcard(char *mcd_data)
102{
103 unsigned off = 0;
104 unsigned i;
105
106 memset(mcd_data, 0, MCD_SIZE);
107
108 mcd_data[off++] = 'M';
109 mcd_data[off++] = 'C';
110 off += 0x7d;
111 mcd_data[off++] = 0x0e;
112
113 for (i = 0; i < 15; i++) {
114 mcd_data[off++] = 0xa0;
115 off += 0x07;
116 mcd_data[off++] = 0xff;
117 mcd_data[off++] = 0xff;
118 off += 0x75;
119 mcd_data[off++] = 0xa0;
120 }
121
122 for (i = 0; i < 20; i++) {
123 mcd_data[off++] = 0xff;
124 mcd_data[off++] = 0xff;
125 mcd_data[off++] = 0xff;
126 mcd_data[off++] = 0xff;
127 off += 0x04;
128 mcd_data[off++] = 0xff;
129 mcd_data[off++] = 0xff;
130 off += 0x76;
131 }
132}
133
134static void set_vout_fb()
135{
136 struct retro_framebuffer fb = {0};
137
138 fb.width = vout_width;
139 fb.height = vout_height;
140 fb.access_flags = RETRO_MEMORY_ACCESS_WRITE;
141
142 if (environ_cb(RETRO_ENVIRONMENT_GET_CURRENT_SOFTWARE_FRAMEBUFFER, &fb) && fb.format == RETRO_PIXEL_FORMAT_RGB565)
143 vout_buf_ptr = (uint16_t*)fb.data;
144 else
145 vout_buf_ptr = vout_buf;
146}
147
148static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
149{
150 vout_width = w;
151 vout_height = h;
152
153 set_vout_fb();
154}
155
156#ifndef FRONTEND_SUPPORTS_RGB565
157static void convert(void *buf, size_t bytes)
158{
159 unsigned int i, v, *p = buf;
160
161 for (i = 0; i < bytes / 4; i++) {
162 v = p[i];
163 p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0);
164 }
165}
166#endif
167
168static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
169{
170 unsigned short *dest = vout_buf_ptr;
171 const unsigned short *src = vram;
172 int dstride = vout_width, h1 = h;
173 int doffs;
174
175 if (vram == NULL) {
176 // blanking
177 memset(vout_buf_ptr, 0, dstride * h * 2);
178 goto out;
179 }
180
181 doffs = (vout_height - h) * dstride;
182 doffs += (dstride - w) / 2 & ~1;
183 if (doffs != vout_doffs_old) {
184 // clear borders
185 memset(vout_buf_ptr, 0, dstride * h * 2);
186 vout_doffs_old = doffs;
187 }
188 dest += doffs;
189
190 if (bgr24)
191 {
192 // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here?
193 for (; h1-- > 0; dest += dstride, src += stride)
194 {
195 bgr888_to_rgb565(dest, src, w * 3);
196 }
197 }
198 else
199 {
200 for (; h1-- > 0; dest += dstride, src += stride)
201 {
202 bgr555_to_rgb565(dest, src, w * 2);
203 }
204 }
205
206out:
207#ifndef FRONTEND_SUPPORTS_RGB565
208 convert(vout_buf_ptr, vout_width * vout_height * 2);
209#endif
210 vout_fb_dirty = 1;
211 pl_rearmed_cbs.flip_cnt++;
212}
213
214#ifdef _3DS
215typedef struct
216{
217 void* buffer;
218 uint32_t target_map;
219 size_t size;
220 enum psxMapTag tag;
221}psx_map_t;
222
223psx_map_t custom_psx_maps[] = {
224 {NULL, 0x13000000, 0x210000, MAP_TAG_RAM}, // 0x80000000
225 {NULL, 0x12800000, 0x010000, MAP_TAG_OTHER}, // 0x1f800000
226 {NULL, 0x12c00000, 0x080000, MAP_TAG_OTHER}, // 0x1fc00000
227 {NULL, 0x11000000, 0x800000, MAP_TAG_LUTS}, // 0x08000000
228 {NULL, 0x12000000, 0x200000, MAP_TAG_VRAM}, // 0x00000000
229};
230
231void* pl_3ds_mmap(unsigned long addr, size_t size, int is_fixed,
232 enum psxMapTag tag)
233{
234 (void)is_fixed;
235 (void)addr;
236
237 if (__ctr_svchax)
238 {
239 psx_map_t* custom_map = custom_psx_maps;
240
241 for (; custom_map->size; custom_map++)
242 {
243 if ((custom_map->size == size) && (custom_map->tag == tag))
244 {
245 uint32_t ptr_aligned, tmp;
246
247 custom_map->buffer = malloc(size + 0x1000);
248 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
249
250 if(svcControlMemory(&tmp, (void*)custom_map->target_map, (void*)ptr_aligned, size, MEMOP_MAP, 0x3) < 0)
251 {
252 SysPrintf("could not map memory @0x%08X\n", custom_map->target_map);
253 exit(1);
254 }
255
256 return (void*)custom_map->target_map;
257 }
258 }
259 }
260
261 return malloc(size);
262}
263
264void pl_3ds_munmap(void *ptr, size_t size, enum psxMapTag tag)
265{
266 (void)tag;
267
268 if (__ctr_svchax)
269 {
270 psx_map_t* custom_map = custom_psx_maps;
271
272 for (; custom_map->size; custom_map++)
273 {
274 if ((custom_map->target_map == (uint32_t)ptr))
275 {
276 uint32_t ptr_aligned, tmp;
277
278 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
279
280 svcControlMemory(&tmp, (void*)custom_map->target_map, (void*)ptr_aligned, size, MEMOP_UNMAP, 0x3);
281
282 free(custom_map->buffer);
283 custom_map->buffer = NULL;
284 return;
285 }
286 }
287 }
288
289 free(ptr);
290}
291#endif
292
293#ifdef VITA
294typedef struct
295{
296 void* buffer;
297 uint32_t target_map;
298 size_t size;
299 enum psxMapTag tag;
300}psx_map_t;
301
302void* addr = NULL;
303
304psx_map_t custom_psx_maps[] = {
305 {NULL, NULL, 0x210000, MAP_TAG_RAM}, // 0x80000000
306 {NULL, NULL, 0x010000, MAP_TAG_OTHER}, // 0x1f800000
307 {NULL, NULL, 0x080000, MAP_TAG_OTHER}, // 0x1fc00000
308 {NULL, NULL, 0x800000, MAP_TAG_LUTS}, // 0x08000000
309 {NULL, NULL, 0x200000, MAP_TAG_VRAM}, // 0x00000000
310};
311
312int init_vita_mmap(){
313 int n;
314 void * tmpaddr;
315 addr = malloc(64*1024*1024);
316 if(addr==NULL)
317 return -1;
318 tmpaddr = ((u32)(addr+0xFFFFFF))&~0xFFFFFF;
319 custom_psx_maps[0].buffer=tmpaddr+0x2000000;
320 custom_psx_maps[1].buffer=tmpaddr+0x1800000;
321 custom_psx_maps[2].buffer=tmpaddr+0x1c00000;
322 custom_psx_maps[3].buffer=tmpaddr+0x0000000;
323 custom_psx_maps[4].buffer=tmpaddr+0x1000000;
324#if 0
325 for(n = 0; n < 5; n++){
326 sceClibPrintf("addr reserved %x\n",custom_psx_maps[n].buffer);
327 }
328#endif
329 return 0;
330}
331
332void deinit_vita_mmap(){
333 free(addr);
334}
335
336void* pl_vita_mmap(unsigned long addr, size_t size, int is_fixed,
337 enum psxMapTag tag)
338{
339 (void)is_fixed;
340 (void)addr;
341
342
343 psx_map_t* custom_map = custom_psx_maps;
344
345 for (; custom_map->size; custom_map++)
346 {
347 if ((custom_map->size == size) && (custom_map->tag == tag))
348 {
349 return custom_map->buffer;
350 }
351 }
352
353
354 return malloc(size);
355}
356
357void pl_vita_munmap(void *ptr, size_t size, enum psxMapTag tag)
358{
359 (void)tag;
360
361 psx_map_t* custom_map = custom_psx_maps;
362
363 for (; custom_map->size; custom_map++)
364 {
365 if ((custom_map->buffer == ptr))
366 {
367 return;
368 }
369 }
370
371 free(ptr);
372}
373#endif
374
375static void *pl_mmap(unsigned int size)
376{
377 return psxMap(0, size, 0, MAP_TAG_VRAM);
378}
379
380static void pl_munmap(void *ptr, unsigned int size)
381{
382 psxUnmap(ptr, size, MAP_TAG_VRAM);
383}
384
385struct rearmed_cbs pl_rearmed_cbs = {
386 .pl_vout_open = vout_open,
387 .pl_vout_set_mode = vout_set_mode,
388 .pl_vout_flip = vout_flip,
389 .pl_vout_close = vout_close,
390 .mmap = pl_mmap,
391 .munmap = pl_munmap,
392 /* from psxcounters */
393 .gpu_hcnt = &hSyncCount,
394 .gpu_frame_count = &frame_counter,
395};
396
397void pl_frame_limit(void)
398{
399 /* called once per frame, make psxCpu->Execute() above return */
400 stop = 1;
401}
402
403void pl_timing_prepare(int is_pal)
404{
405 is_pal_mode = is_pal;
406}
407
408void plat_trigger_vibrate(int pad, int low, int high)
409{
410 if(in_enable_vibration)
411 {
412 rumble.set_rumble_state(pad, RETRO_RUMBLE_STRONG, high << 8);
413 rumble.set_rumble_state(pad, RETRO_RUMBLE_WEAK, low ? 0xffff : 0x0);
414 }
415}
416
417void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in)
418{
419}
420
421/* sound calls */
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 { "pcsx_rearmed_vibration", "Enable Vibration; enabled|disabled" },
454 { "pcsx_rearmed_dithering", "Enable Dithering; enabled|disabled" },
455#ifndef DRC_DISABLE
456 { "pcsx_rearmed_drc", "Dynamic recompiler; enabled|disabled" },
457#endif
458#ifdef __ARM_NEON__
459 { "pcsx_rearmed_neon_interlace_enable", "Enable interlacing mode(s); disabled|enabled" },
460 { "pcsx_rearmed_neon_enhancement_enable", "Enhanced resolution (slow); disabled|enabled" },
461 { "pcsx_rearmed_neon_enhancement_no_main", "Enhanced resolution speed hack; disabled|enabled" },
462#endif
463 { "pcsx_rearmed_duping_enable", "Frame duping; enabled|disabled" },
464 { "pcsx_rearmed_show_bios_bootlogo", "Show Bios Bootlogo(Breaks some games); disabled|enabled" },
465 { "pcsx_rearmed_spu_reverb", "Sound: Reverb; enabled|disabled" },
466 { "pcsx_rearmed_spu_interpolation", "Sound: Interpolation; simple|gaussian|cubic|off" },
467 { "pcsx_rearmed_pe2_fix", "Parasite Eve 2/Vandal Hearts 1/2 Fix; disabled|enabled" },
468 { "pcsx_rearmed_inuyasha_fix", "InuYasha Sengoku Battle Fix; disabled|enabled" },
469 { NULL, NULL },
470 };
471
472 if (cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &logging))
473 log_cb = logging.log;
474
475 environ_cb = cb;
476
477 cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void*)vars);
478}
479
480void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
481void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
482void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
483void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
484void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
485
486unsigned retro_api_version(void)
487{
488 return RETRO_API_VERSION;
489}
490
491static int controller_port_variable(unsigned port, struct retro_variable *var)
492{
493 if (port >= PORTS_NUMBER)
494 return 0;
495
496 if (!environ_cb)
497 return 0;
498
499 var->value = NULL;
500 switch (port) {
501 case 0:
502 var->key = "pcsx_rearmed_pad1type";
503 break;
504 case 1:
505 var->key = "pcsx_rearmed_pad2type";
506 break;
507 case 2:
508 var->key = "pcsx_rearmed_pad3type";
509 break;
510 case 3:
511 var->key = "pcsx_rearmed_pad4type";
512 break;
513 case 4:
514 var->key = "pcsx_rearmed_pad5type";
515 break;
516 case 5:
517 var->key = "pcsx_rearmed_pad6type";
518 break;
519 case 6:
520 var->key = "pcsx_rearmed_pad7type";
521 break;
522 case 7:
523 var->key = "pcsx_rearmed_pad8type";
524 break;
525 }
526
527 return environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, var) || var->value;
528}
529
530static void update_controller_port_variable(unsigned port)
531{
532 if (port >= PORTS_NUMBER)
533 return;
534
535 struct retro_variable var;
536
537 if (controller_port_variable(port, &var))
538 {
539 if (strcmp(var.value, "standard") == 0)
540 in_type[port] = PSE_PAD_TYPE_STANDARD;
541 else if (strcmp(var.value, "analog") == 0)
542 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
543 else if (strcmp(var.value, "negcon") == 0)
544 in_type[port] = PSE_PAD_TYPE_NEGCON;
545 else if (strcmp(var.value, "none") == 0)
546 in_type[port] = PSE_PAD_TYPE_NONE;
547 // else 'default' case, do nothing
548 }
549}
550
551static void update_controller_port_device(unsigned port, unsigned device)
552{
553 if (port >= PORTS_NUMBER)
554 return;
555
556 struct retro_variable var;
557
558 if (!controller_port_variable(port, &var))
559 return;
560
561 if (strcmp(var.value, "default") != 0)
562 return;
563
564 switch (device)
565 {
566 case RETRO_DEVICE_JOYPAD:
567 in_type[port] = PSE_PAD_TYPE_STANDARD;
568 break;
569 case RETRO_DEVICE_ANALOG:
570 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
571 break;
572 case RETRO_DEVICE_MOUSE:
573 in_type[port] = PSE_PAD_TYPE_MOUSE;
574 break;
575 case RETRO_DEVICE_LIGHTGUN:
576 in_type[port] = PSE_PAD_TYPE_GUN;
577 break;
578 case RETRO_DEVICE_NONE:
579 default:
580 in_type[port] = PSE_PAD_TYPE_NONE;
581 }
582}
583
584static void update_multitap()
585{
586 struct retro_variable var;
587 int auto_case, port;
588
589 var.value = NULL;
590 var.key = "pcsx_rearmed_multitap1";
591 auto_case = 0;
592 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value))
593 {
594 if (strcmp(var.value, "enabled") == 0)
595 multitap1 = 1;
596 else if (strcmp(var.value, "disabled") == 0)
597 multitap1 = 0;
598 else // 'auto' case
599 auto_case = 1;
600 }
601 else
602 auto_case = 1;
603
604 if (auto_case)
605 {
606 // If a gamepad is plugged after port 2, we need a first multitap.
607 multitap1 = 0;
608 for (port = 2; port < PORTS_NUMBER; port++)
609 multitap1 |= in_type[port] != PSE_PAD_TYPE_NONE;
610 }
611
612 var.value = NULL;
613 var.key = "pcsx_rearmed_multitap2";
614 auto_case = 0;
615 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value))
616 {
617 if (strcmp(var.value, "enabled") == 0)
618 multitap2 = 1;
619 else if (strcmp(var.value, "disabled") == 0)
620 multitap2 = 0;
621 else // 'auto' case
622 auto_case = 1;
623 }
624 else
625 auto_case = 1;
626
627 if (auto_case)
628 {
629 // If a gamepad is plugged after port 4, we need a second multitap.
630 multitap2 = 0;
631 for (port = 4; port < PORTS_NUMBER; port++)
632 multitap2 |= in_type[port] != PSE_PAD_TYPE_NONE;
633 }
634}
635
636void retro_set_controller_port_device(unsigned port, unsigned device)
637{
638 SysPrintf("port %u device %u",port,device);
639
640 if (port >= PORTS_NUMBER)
641 return;
642
643 update_controller_port_device(port, device);
644 update_multitap();
645}
646
647void retro_get_system_info(struct retro_system_info *info)
648{
649 memset(info, 0, sizeof(*info));
650 info->library_name = "PCSX-ReARMed";
651#ifndef GIT_VERSION
652#define GIT_VERSION ""
653#endif
654 info->library_version = "r22" GIT_VERSION;
655 info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u";
656 info->need_fullpath = true;
657}
658
659void retro_get_system_av_info(struct retro_system_av_info *info)
660{
661 memset(info, 0, sizeof(*info));
662 info->timing.fps = is_pal_mode ? 50 : 60;
663 info->timing.sample_rate = 44100;
664 info->geometry.base_width = 320;
665 info->geometry.base_height = 240;
666 info->geometry.max_width = VOUT_MAX_WIDTH;
667 info->geometry.max_height = VOUT_MAX_HEIGHT;
668 info->geometry.aspect_ratio = 4.0 / 3.0;
669}
670
671/* savestates */
672size_t retro_serialize_size(void)
673{
674 // it's currently 4380651-4397047 bytes,
675 // but have some reserved for future
676 return 0x440000;
677}
678
679struct save_fp {
680 char *buf;
681 size_t pos;
682 int is_write;
683};
684
685static void *save_open(const char *name, const char *mode)
686{
687 struct save_fp *fp;
688
689 if (name == NULL || mode == NULL)
690 return NULL;
691
692 fp = malloc(sizeof(*fp));
693 if (fp == NULL)
694 return NULL;
695
696 fp->buf = (char *)name;
697 fp->pos = 0;
698 fp->is_write = (mode[0] == 'w' || mode[1] == 'w');
699
700 return fp;
701}
702
703static int save_read(void *file, void *buf, u32 len)
704{
705 struct save_fp *fp = file;
706 if (fp == NULL || buf == NULL)
707 return -1;
708
709 memcpy(buf, fp->buf + fp->pos, len);
710 fp->pos += len;
711 return len;
712}
713
714static int save_write(void *file, const void *buf, u32 len)
715{
716 struct save_fp *fp = file;
717 if (fp == NULL || buf == NULL)
718 return -1;
719
720 memcpy(fp->buf + fp->pos, buf, len);
721 fp->pos += len;
722 return len;
723}
724
725static long save_seek(void *file, long offs, int whence)
726{
727 struct save_fp *fp = file;
728 if (fp == NULL)
729 return -1;
730
731 switch (whence) {
732 case SEEK_CUR:
733 fp->pos += offs;
734 return fp->pos;
735 case SEEK_SET:
736 fp->pos = offs;
737 return fp->pos;
738 default:
739 return -1;
740 }
741}
742
743static void save_close(void *file)
744{
745 struct save_fp *fp = file;
746 size_t r_size = retro_serialize_size();
747 if (fp == NULL)
748 return;
749
750 if (fp->pos > r_size)
751 SysPrintf("ERROR: save buffer overflow detected\n");
752 else if (fp->is_write && fp->pos < r_size)
753 // make sure we don't save trash in leftover space
754 memset(fp->buf + fp->pos, 0, r_size - fp->pos);
755 free(fp);
756}
757
758bool retro_serialize(void *data, size_t size)
759{
760 int ret = SaveState(data);
761 return ret == 0 ? true : false;
762}
763
764bool retro_unserialize(const void *data, size_t size)
765{
766 int ret = LoadState(data);
767 return ret == 0 ? true : false;
768}
769
770/* cheats */
771void retro_cheat_reset(void)
772{
773 ClearAllCheats();
774}
775
776void retro_cheat_set(unsigned index, bool enabled, const char *code)
777{
778 char buf[256];
779 int ret;
780
781 // cheat funcs are destructive, need a copy..
782 strncpy(buf, code, sizeof(buf));
783 buf[sizeof(buf) - 1] = 0;
784
785 //Prepare buffered cheat for PCSX's AddCheat fucntion.
786 int cursor=0;
787 int nonhexdec=0;
788 while (buf[cursor]){
789 if (!(ISHEXDEC)){
790 if (++nonhexdec%2){
791 buf[cursor]=' ';
792 } else {
793 buf[cursor]='\n';
794 }
795 }
796 cursor++;
797 }
798
799
800 if (index < NumCheats)
801 ret = EditCheat(index, "", buf);
802 else
803 ret = AddCheat("", buf);
804
805 if (ret != 0)
806 SysPrintf("Failed to set cheat %#u\n", index);
807 else if (index < NumCheats)
808 Cheats[index].Enabled = enabled;
809}
810
811/* multidisk support */
812static bool disk_ejected;
813static unsigned int disk_current_index;
814static unsigned int disk_count;
815static struct disks_state {
816 char *fname;
817 int internal_index; // for multidisk eboots
818} disks[8];
819
820static bool disk_set_eject_state(bool ejected)
821{
822 // weird PCSX API..
823 SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2));
824 LidInterrupt();
825
826 disk_ejected = ejected;
827 return true;
828}
829
830static bool disk_get_eject_state(void)
831{
832 /* can't be controlled by emulated software */
833 return disk_ejected;
834}
835
836static unsigned int disk_get_image_index(void)
837{
838 return disk_current_index;
839}
840
841static bool disk_set_image_index(unsigned int index)
842{
843 if (index >= sizeof(disks) / sizeof(disks[0]))
844 return false;
845
846 CdromId[0] = '\0';
847 CdromLabel[0] = '\0';
848
849 if (disks[index].fname == NULL) {
850 SysPrintf("missing disk #%u\n", index);
851 CDR_shutdown();
852
853 // RetroArch specifies "no disk" with index == count,
854 // so don't fail here..
855 disk_current_index = index;
856 return true;
857 }
858
859 SysPrintf("switching to disk %u: \"%s\" #%d\n", index,
860 disks[index].fname, disks[index].internal_index);
861
862 cdrIsoMultidiskSelect = disks[index].internal_index;
863 set_cd_image(disks[index].fname);
864 if (ReloadCdromPlugin() < 0) {
865 SysPrintf("failed to load cdr plugin\n");
866 return false;
867 }
868 if (CDR_open() < 0) {
869 SysPrintf("failed to open cdr plugin\n");
870 return false;
871 }
872
873 if (!disk_ejected) {
874 SetCdOpenCaseTime(time(NULL) + 2);
875 LidInterrupt();
876 }
877
878 disk_current_index = index;
879 return true;
880}
881
882static unsigned int disk_get_num_images(void)
883{
884 return disk_count;
885}
886
887static bool disk_replace_image_index(unsigned index,
888 const struct retro_game_info *info)
889{
890 char *old_fname;
891 bool ret = true;
892
893 if (index >= sizeof(disks) / sizeof(disks[0]))
894 return false;
895
896 old_fname = disks[index].fname;
897 disks[index].fname = NULL;
898 disks[index].internal_index = 0;
899
900 if (info != NULL) {
901 disks[index].fname = strdup(info->path);
902 if (index == disk_current_index)
903 ret = disk_set_image_index(index);
904 }
905
906 if (old_fname != NULL)
907 free(old_fname);
908
909 return ret;
910}
911
912static bool disk_add_image_index(void)
913{
914 if (disk_count >= 8)
915 return false;
916
917 disk_count++;
918 return true;
919}
920
921static struct retro_disk_control_callback disk_control = {
922 .set_eject_state = disk_set_eject_state,
923 .get_eject_state = disk_get_eject_state,
924 .get_image_index = disk_get_image_index,
925 .set_image_index = disk_set_image_index,
926 .get_num_images = disk_get_num_images,
927 .replace_image_index = disk_replace_image_index,
928 .add_image_index = disk_add_image_index,
929};
930
931// just in case, maybe a win-rt port in the future?
932#ifdef _WIN32
933#define SLASH '\\'
934#else
935#define SLASH '/'
936#endif
937
938#ifndef PATH_MAX
939#define PATH_MAX 4096
940#endif
941
942static char base_dir[PATH_MAX];
943
944static bool read_m3u(const char *file)
945{
946 char line[PATH_MAX];
947 char name[PATH_MAX];
948 FILE *f = fopen(file, "r");
949 if (!f)
950 return false;
951
952 while (fgets(line, sizeof(line), f) && disk_count < sizeof(disks) / sizeof(disks[0])) {
953 if (line[0] == '#')
954 continue;
955 char *carrige_return = strchr(line, '\r');
956 if (carrige_return)
957 *carrige_return = '\0';
958 char *newline = strchr(line, '\n');
959 if (newline)
960 *newline = '\0';
961
962 if (line[0] != '\0')
963 {
964 snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
965 disks[disk_count++].fname = strdup(name);
966 }
967 }
968
969 fclose(f);
970 return (disk_count != 0);
971}
972
973static void extract_directory(char *buf, const char *path, size_t size)
974{
975 char *base;
976 strncpy(buf, path, size - 1);
977 buf[size - 1] = '\0';
978
979 base = strrchr(buf, '/');
980 if (!base)
981 base = strrchr(buf, '\\');
982
983 if (base)
984 *base = '\0';
985 else
986 {
987 buf[0] = '.';
988 buf[1] = '\0';
989 }
990}
991
992#if defined(__QNX__) || defined(_WIN32)
993/* Blackberry QNX doesn't have strcasestr */
994
995/*
996 * Find the first occurrence of find in s, ignore case.
997 */
998char *
999strcasestr(const char *s, const char*find)
1000{
1001 char c, sc;
1002 size_t len;
1003
1004 if ((c = *find++) != 0) {
1005 c = tolower((unsigned char)c);
1006 len = strlen(find);
1007 do {
1008 do {
1009 if ((sc = *s++) == 0)
1010 return (NULL);
1011 } while ((char)tolower((unsigned char)sc) != c);
1012 } while (strncasecmp(s, find, len) != 0);
1013 s--;
1014 }
1015 return ((char *)s);
1016}
1017#endif
1018
1019bool retro_load_game(const struct retro_game_info *info)
1020{
1021 size_t i;
1022 bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
1023
1024 struct retro_input_descriptor desc[] = {
1025 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1026 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1027 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1028 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1029 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1030 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1031 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1032 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1033 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1034 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1035 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1036 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1037 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1038 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1039 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1040 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1041 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1042 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1043 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1044 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1045
1046
1047 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1048 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1049 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1050 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1051 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1052 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1053 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1054 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1055 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1056 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1057 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1058 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1059 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1060 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1061 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1062 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1063 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1064 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1065 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1066 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1067
1068 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1069 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1070 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1071 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1072 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1073 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1074 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1075 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1076 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1077 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1078 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1079 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1080 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1081 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1082 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1083 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1084 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1085 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1086 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1087 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1088
1089 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1090 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1091 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1092 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1093 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1094 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1095 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1096 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1097 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1098 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1099 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1100 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1101 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1102 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1103 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1104 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1105 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1106 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1107 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1108 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1109
1110 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1111 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1112 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1113 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1114 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1115 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1116 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1117 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1118 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1119 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1120 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1121 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1122 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1123 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1124 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1125 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1126 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1127 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1128 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1129 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1130
1131 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1132 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1133 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1134 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1135 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1136 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1137 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1138 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1139 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1140 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1141 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1142 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1143 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1144 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1145 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1146 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1147 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1148 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1149 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1150 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1151
1152 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1153 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1154 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1155 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1156 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1157 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1158 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1159 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1160 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1161 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1162 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1163 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1164 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1165 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1166 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1167 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1168 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1169 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1170 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1171 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1172
1173 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1174 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1175 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1176 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1177 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1178 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1179 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1180 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1181 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1182 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1183 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1184 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1185 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1186 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1187 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1188 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1189 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1190 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1191 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1192 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1193
1194 { 0 },
1195 };
1196
1197 environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
1198
1199#ifdef FRONTEND_SUPPORTS_RGB565
1200 enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
1201 if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) {
1202 SysPrintf("RGB565 supported, using it\n");
1203 }
1204#endif
1205
1206 if (info == NULL || info->path == NULL) {
1207 SysPrintf("info->path required\n");
1208 return false;
1209 }
1210
1211 if (plugins_opened) {
1212 ClosePlugins();
1213 plugins_opened = 0;
1214 }
1215
1216 for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++) {
1217 if (disks[i].fname != NULL) {
1218 free(disks[i].fname);
1219 disks[i].fname = NULL;
1220 }
1221 disks[i].internal_index = 0;
1222 }
1223
1224 disk_current_index = 0;
1225 extract_directory(base_dir, info->path, sizeof(base_dir));
1226
1227 if (is_m3u) {
1228 if (!read_m3u(info->path)) {
1229 log_cb(RETRO_LOG_INFO, "failed to read m3u file\n");
1230 return false;
1231 }
1232 } else {
1233 disk_count = 1;
1234 disks[0].fname = strdup(info->path);
1235 }
1236
1237 set_cd_image(disks[0].fname);
1238
1239 /* have to reload after set_cd_image for correct cdr plugin */
1240 if (LoadPlugins() == -1) {
1241 log_cb(RETRO_LOG_INFO, "failed to load plugins\n");
1242 return false;
1243 }
1244
1245 plugins_opened = 1;
1246 NetOpened = 0;
1247
1248 if (OpenPlugins() == -1) {
1249 log_cb(RETRO_LOG_INFO, "failed to open plugins\n");
1250 return false;
1251 }
1252
1253 plugin_call_rearmed_cbs();
1254 dfinput_activate();
1255
1256 if (CheckCdrom() == -1) {
1257 log_cb(RETRO_LOG_INFO, "unsupported/invalid CD image: %s\n", info->path);
1258 return false;
1259 }
1260
1261 SysReset();
1262
1263 if (LoadCdrom() == -1) {
1264 log_cb(RETRO_LOG_INFO, "could not load CD\n");
1265 return false;
1266 }
1267 emu_on_new_cd(0);
1268
1269 // multidisk images
1270 if (!is_m3u) {
1271 disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8;
1272 for (i = 1; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++) {
1273 disks[i].fname = strdup(info->path);
1274 disks[i].internal_index = i;
1275 }
1276 }
1277
1278 return true;
1279}
1280
1281unsigned retro_get_region(void)
1282{
1283 return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
1284}
1285
1286void *retro_get_memory_data(unsigned id)
1287{
1288 if (id == RETRO_MEMORY_SAVE_RAM)
1289 return Mcd1Data;
1290 else
1291 return NULL;
1292}
1293
1294size_t retro_get_memory_size(unsigned id)
1295{
1296 if (id == RETRO_MEMORY_SAVE_RAM)
1297 return MCD_SIZE;
1298 else
1299 return 0;
1300}
1301
1302void retro_reset(void)
1303{
1304 //hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
1305 rebootemu = 1;
1306 //SysReset();
1307}
1308
1309static const unsigned short retro_psx_map[] = {
1310 [RETRO_DEVICE_ID_JOYPAD_B] = 1 << DKEY_CROSS,
1311 [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << DKEY_SQUARE,
1312 [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT,
1313 [RETRO_DEVICE_ID_JOYPAD_START] = 1 << DKEY_START,
1314 [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << DKEY_UP,
1315 [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << DKEY_DOWN,
1316 [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << DKEY_LEFT,
1317 [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << DKEY_RIGHT,
1318 [RETRO_DEVICE_ID_JOYPAD_A] = 1 << DKEY_CIRCLE,
1319 [RETRO_DEVICE_ID_JOYPAD_X] = 1 << DKEY_TRIANGLE,
1320 [RETRO_DEVICE_ID_JOYPAD_L] = 1 << DKEY_L1,
1321 [RETRO_DEVICE_ID_JOYPAD_R] = 1 << DKEY_R1,
1322 [RETRO_DEVICE_ID_JOYPAD_L2] = 1 << DKEY_L2,
1323 [RETRO_DEVICE_ID_JOYPAD_R2] = 1 << DKEY_R2,
1324 [RETRO_DEVICE_ID_JOYPAD_L3] = 1 << DKEY_L3,
1325 [RETRO_DEVICE_ID_JOYPAD_R3] = 1 << DKEY_R3,
1326};
1327#define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
1328
1329static void update_variables(bool in_flight)
1330{
1331 struct retro_variable var;
1332 int i;
1333
1334 var.value = NULL;
1335 var.key = "pcsx_rearmed_frameskip";
1336 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1337 pl_rearmed_cbs.frameskip = atoi(var.value);
1338
1339 var.value = NULL;
1340 var.key = "pcsx_rearmed_region";
1341 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1342 {
1343 Config.PsxAuto = 0;
1344 if (strcmp(var.value, "auto") == 0)
1345 Config.PsxAuto = 1;
1346 else if (strcmp(var.value, "NTSC") == 0)
1347 Config.PsxType = 0;
1348 else if (strcmp(var.value, "PAL") == 0)
1349 Config.PsxType = 1;
1350 }
1351
1352 for (i = 0; i < PORTS_NUMBER; i++)
1353 update_controller_port_variable(i);
1354
1355 update_multitap();
1356
1357 var.value = NULL;
1358 var.key = "pcsx_rearmed_vibration";
1359
1360 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1361 {
1362 if (strcmp(var.value, "disabled") == 0)
1363 in_enable_vibration = 0;
1364 else if (strcmp(var.value, "enabled") == 0)
1365 in_enable_vibration = 1;
1366 }
1367
1368 var.value = NULL;
1369 var.key = "pcsx_rearmed_dithering";
1370
1371 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1372 {
1373 if (strcmp(var.value, "disabled") == 0) {
1374 pl_rearmed_cbs.gpu_peops.iUseDither = 0;
1375 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 0;
1376#ifdef __ARM_NEON__
1377 pl_rearmed_cbs.gpu_neon.allow_dithering = 0;
1378#endif
1379 }
1380 else if (strcmp(var.value, "enabled") == 0) {
1381 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
1382 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 1;
1383#ifdef __ARM_NEON__
1384 pl_rearmed_cbs.gpu_neon.allow_dithering = 1;
1385#endif
1386 }
1387 }
1388
1389#ifdef __ARM_NEON__
1390 var.value = "NULL";
1391 var.key = "pcsx_rearmed_neon_interlace_enable";
1392
1393 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1394 {
1395 if (strcmp(var.value, "disabled") == 0)
1396 pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
1397 else if (strcmp(var.value, "enabled") == 0)
1398 pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
1399 }
1400
1401 var.value = NULL;
1402 var.key = "pcsx_rearmed_neon_enhancement_enable";
1403
1404 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1405 {
1406 if (strcmp(var.value, "disabled") == 0)
1407 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
1408 else if (strcmp(var.value, "enabled") == 0)
1409 pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
1410 }
1411
1412 var.value = NULL;
1413 var.key = "pcsx_rearmed_neon_enhancement_no_main";
1414
1415 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1416 {
1417 if (strcmp(var.value, "disabled") == 0)
1418 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
1419 else if (strcmp(var.value, "enabled") == 0)
1420 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1;
1421 }
1422#endif
1423
1424 var.value = "NULL";
1425 var.key = "pcsx_rearmed_duping_enable";
1426
1427 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1428 {
1429 if (strcmp(var.value, "disabled") == 0)
1430 duping_enable = false;
1431 else if (strcmp(var.value, "enabled") == 0)
1432 duping_enable = true;
1433 }
1434
1435#ifndef DRC_DISABLE
1436 var.value = NULL;
1437 var.key = "pcsx_rearmed_drc";
1438
1439 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1440 {
1441 R3000Acpu *prev_cpu = psxCpu;
1442
1443#ifdef _3DS
1444 if(!__ctr_svchax)
1445 Config.Cpu = CPU_INTERPRETER;
1446 else
1447#endif
1448 if (strcmp(var.value, "disabled") == 0)
1449 Config.Cpu = CPU_INTERPRETER;
1450 else if (strcmp(var.value, "enabled") == 0)
1451 Config.Cpu = CPU_DYNAREC;
1452
1453 psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
1454 if (psxCpu != prev_cpu) {
1455 prev_cpu->Shutdown();
1456 psxCpu->Init();
1457 psxCpu->Reset(); // not really a reset..
1458 }
1459 }
1460#endif
1461
1462 var.value = "NULL";
1463 var.key = "pcsx_rearmed_spu_reverb";
1464
1465 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1466 {
1467 if (strcmp(var.value, "disabled") == 0)
1468 spu_config.iUseReverb = false;
1469 else if (strcmp(var.value, "enabled") == 0)
1470 spu_config.iUseReverb = true;
1471 }
1472
1473 var.value = "NULL";
1474 var.key = "pcsx_rearmed_spu_interpolation";
1475
1476 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1477 {
1478 if (strcmp(var.value, "simple") == 0)
1479 spu_config.iUseInterpolation = 1;
1480 else if (strcmp(var.value, "gaussian") == 0)
1481 spu_config.iUseInterpolation = 2;
1482 else if (strcmp(var.value, "cubic") == 0)
1483 spu_config.iUseInterpolation = 3;
1484 else if (strcmp(var.value, "off") == 0)
1485 spu_config.iUseInterpolation = 0;
1486 }
1487
1488 var.value = "NULL";
1489 var.key = "pcsx_rearmed_pe2_fix";
1490
1491 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1492 {
1493 if (strcmp(var.value, "disabled") == 0)
1494 Config.RCntFix = 0;
1495 else if (strcmp(var.value, "enabled") == 0)
1496 Config.RCntFix = 1;
1497 }
1498
1499 var.value = "NULL";
1500 var.key = "pcsx_rearmed_inuyasha_fix";
1501
1502 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1503 {
1504 if (strcmp(var.value, "disabled") == 0)
1505 Config.VSyncWA = 0;
1506 else if (strcmp(var.value, "enabled") == 0)
1507 Config.VSyncWA = 1;
1508 }
1509
1510 if (in_flight) {
1511 // inform core things about possible config changes
1512 plugin_call_rearmed_cbs();
1513
1514 if (GPU_open != NULL && GPU_close != NULL) {
1515 GPU_close();
1516 GPU_open(&gpuDisp, "PCSX", NULL);
1517 }
1518
1519 dfinput_activate();
1520 }
1521 else{
1522 //not yet running
1523
1524 //bootlogo display hack
1525 if (found_bios) {
1526 var.value = "NULL";
1527 var.key = "pcsx_rearmed_show_bios_bootlogo";
1528 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1529 {
1530 if (strcmp(var.value, "enabled") == 0)
1531 rebootemu = 1;
1532 }
1533 }
1534 }
1535}
1536
1537void retro_run(void)
1538{
1539 int i;
1540 //SysReset must be run while core is running,Not in menu (Locks up Retroarch)
1541 if(rebootemu != 0){
1542 rebootemu = 0;
1543 SysReset();
1544 }
1545
1546 input_poll_cb();
1547
1548 bool updated = false;
1549 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
1550 update_variables(true);
1551
1552 // reset all keystate, query libretro for keystate
1553 int j;
1554 for(i = 0; i < PORTS_NUMBER; i++) {
1555 in_keystate[i] = 0;
1556
1557 if (in_type[i] == PSE_PAD_TYPE_NONE)
1558 continue;
1559
1560 // query libretro for keystate
1561 for (j = 0; j < RETRO_PSX_MAP_LEN; j++)
1562 if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, j))
1563 in_keystate[i] |= retro_psx_map[j];
1564
1565 if (in_type[i] == PSE_PAD_TYPE_ANALOGPAD)
1566 {
1567 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);
1568 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);
1569 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);
1570 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);
1571 }
1572 }
1573
1574 stop = 0;
1575 psxCpu->Execute();
1576
1577 video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf_ptr : NULL,
1578 vout_width, vout_height, vout_width * 2);
1579 vout_fb_dirty = 0;
1580
1581 set_vout_fb();
1582}
1583
1584static bool try_use_bios(const char *path)
1585{
1586 FILE *f;
1587 long size;
1588 const char *name;
1589
1590 f = fopen(path, "rb");
1591 if (f == NULL)
1592 return false;
1593
1594 fseek(f, 0, SEEK_END);
1595 size = ftell(f);
1596 fclose(f);
1597
1598 if (size != 512 * 1024)
1599 return false;
1600
1601 name = strrchr(path, SLASH);
1602 if (name++ == NULL)
1603 name = path;
1604 snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
1605 return true;
1606}
1607
1608#ifndef VITA
1609#include <sys/types.h>
1610#include <dirent.h>
1611
1612static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
1613{
1614 DIR *dir;
1615 struct dirent *ent;
1616 bool ret = false;
1617
1618 dir = opendir(dirpath);
1619 if (dir == NULL)
1620 return false;
1621
1622 while ((ent = readdir(dir))) {
1623 if (strncasecmp(ent->d_name, "scph", 4) != 0)
1624 continue;
1625
1626 snprintf(path, path_size, "%s%c%s", dirpath, SLASH, ent->d_name);
1627 ret = try_use_bios(path);
1628 if (ret)
1629 break;
1630 }
1631 closedir(dir);
1632 return ret;
1633}
1634#else
1635#define find_any_bios(...) false
1636#endif
1637
1638static void check_system_specs(void)
1639{
1640 unsigned level = 6;
1641 environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
1642}
1643
1644void retro_init(void)
1645{
1646 const char *bios[] = {
1647 "SCPH101", "SCPH7001", "SCPH5501", "SCPH1001",
1648 "scph101", "scph7001", "scph5501", "scph1001"
1649 };
1650 const char *dir;
1651 char path[256];
1652 int i, ret;
1653
1654 found_bios = false;
1655
1656#ifdef __MACH__
1657 // magic sauce to make the dynarec work on iOS
1658 syscall(SYS_ptrace, 0 /*PTRACE_TRACEME*/, 0, 0, 0);
1659#endif
1660
1661#ifdef _3DS
1662 psxMapHook = pl_3ds_mmap;
1663 psxUnmapHook = pl_3ds_munmap;
1664#endif
1665#ifdef VITA
1666 if(init_vita_mmap()<0)
1667 abort();
1668 psxMapHook = pl_vita_mmap;
1669 psxUnmapHook = pl_vita_munmap;
1670#endif
1671 ret = emu_core_preinit();
1672#ifdef _3DS
1673 /* emu_core_preinit sets the cpu to dynarec */
1674 if(!__ctr_svchax)
1675 Config.Cpu = CPU_INTERPRETER;
1676#endif
1677
1678 ret |= emu_core_init();
1679 if (ret != 0) {
1680 SysPrintf("PCSX init failed.\n");
1681 exit(1);
1682 }
1683
1684#ifdef _3DS
1685 vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
1686#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && !defined(VITA)
1687 posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
1688#else
1689 vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
1690#endif
1691
1692 vout_buf_ptr = vout_buf;
1693
1694 if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
1695 {
1696 snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s", dir);
1697
1698 for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++) {
1699 snprintf(path, sizeof(path), "%s%c%s.bin", dir, SLASH, bios[i]);
1700 found_bios = try_use_bios(path);
1701 if (found_bios)
1702 break;
1703 }
1704
1705 if (!found_bios)
1706 found_bios = find_any_bios(dir, path, sizeof(path));
1707 }
1708 if (found_bios) {
1709 SysPrintf("found BIOS file: %s\n", Config.Bios);
1710 }
1711 else
1712 {
1713 SysPrintf("no BIOS files found.\n");
1714 struct retro_message msg =
1715 {
1716 "No PlayStation BIOS file found - add for better compatibility",
1717 180
1718 };
1719 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, (void*)&msg);
1720 }
1721
1722 environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
1723 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
1724 environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble);
1725
1726 /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
1727 * we have to do this because cache misses and some IO penalties
1728 * are not emulated. Warning: changing this may break compatibility. */
1729 cycle_multiplier = 175;
1730#ifdef HAVE_PRE_ARMV7
1731 cycle_multiplier = 200;
1732#endif
1733 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
1734 spu_config.iUseFixedUpdates = 1;
1735
1736 McdDisable[0] = 0;
1737 McdDisable[1] = 1;
1738 init_memcard(Mcd1Data);
1739 init_memcard(Mcd2Data);
1740
1741 SaveFuncs.open = save_open;
1742 SaveFuncs.read = save_read;
1743 SaveFuncs.write = save_write;
1744 SaveFuncs.seek = save_seek;
1745 SaveFuncs.close = save_close;
1746
1747 update_variables(false);
1748 check_system_specs();
1749}
1750
1751void retro_deinit(void)
1752{
1753 SysClose();
1754#ifdef _3DS
1755 linearFree(vout_buf);
1756#else
1757 free(vout_buf);
1758#endif
1759 vout_buf = NULL;
1760
1761#ifdef VITA
1762 deinit_vita_mmap();
1763#endif
1764}
1765
1766#ifdef VITA
1767#include <psp2/kernel/threadmgr.h>
1768int usleep (unsigned long us)
1769{
1770 sceKernelDelayThread(us);
1771}
1772#endif
ARM optimized PCSX fork