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Merge pull request #339 from dankcushions/patch-1
[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 "../libpcsxcore/r3000a.h"
26#include "../plugins/dfsound/out.h"
27#include "../plugins/dfsound/spu_config.h"
28#include "../plugins/dfinput/externals.h"
29#include "cspace.h"
30#include "main.h"
31#include "menu.h"
32#include "plugin.h"
33#include "plugin_lib.h"
34#include "arm_features.h"
35#include "revision.h"
36
37#include <libretro.h>
38#include "libretro_core_options.h"
39
40#ifdef _3DS
41#include "3ds/3ds_utils.h"
42#endif
43
44#define PORTS_NUMBER 8
45
46#ifndef MIN
47#define MIN(a, b) ((a) < (b) ? (a) : (b))
48#endif
49
50#ifndef MAX
51#define MAX(a, b) ((a) > (b) ? (a) : (b))
52#endif
53
54#define ISHEXDEC ((buf[cursor]>='0') && (buf[cursor]<='9')) || ((buf[cursor]>='a') && (buf[cursor]<='f')) || ((buf[cursor]>='A') && (buf[cursor]<='F'))
55
56#define INTERNAL_FPS_SAMPLE_PERIOD 64
57
58//hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
59static int rebootemu = 0;
60
61static retro_video_refresh_t video_cb;
62static retro_input_poll_t input_poll_cb;
63static retro_input_state_t input_state_cb;
64static retro_environment_t environ_cb;
65static retro_audio_sample_batch_t audio_batch_cb;
66static retro_set_rumble_state_t rumble_cb;
67static struct retro_log_callback logging;
68static retro_log_printf_t log_cb;
69
70static void *vout_buf;
71static void * vout_buf_ptr;
72static int vout_width, vout_height;
73static int vout_doffs_old, vout_fb_dirty;
74static bool vout_can_dupe;
75static bool duping_enable;
76static bool found_bios;
77static bool display_internal_fps = false;
78static unsigned frame_count = 0;
79static bool libretro_supports_bitmasks = false;
80static int show_advanced_gpu_peops_settings = -1;
81
82static unsigned previous_width = 0;
83static unsigned previous_height = 0;
84
85static int plugins_opened;
86static int is_pal_mode;
87
88/* memory card data */
89extern char Mcd1Data[MCD_SIZE];
90extern char Mcd2Data[MCD_SIZE];
91extern char McdDisable[2];
92
93/* PCSX ReARMed core calls and stuff */
94int in_type[8] = { PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
95 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
96 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
97 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE };
98int in_analog_left[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
99int in_analog_right[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
100unsigned short in_keystate[PORTS_NUMBER];
101int multitap1 = 0;
102int multitap2 = 0;
103int in_enable_vibration = 1;
104
105// NegCon adjustment parameters
106// > The NegCon 'twist' action is somewhat awkward when mapped
107// to a standard analog stick -> user should be able to tweak
108// response/deadzone for comfort
109// > When response is linear, 'additional' deadzone (set here)
110// may be left at zero, since this is normally handled via in-game
111// options menus
112// > When response is non-linear, deadzone should be set to match the
113// controller being used (otherwise precision may be lost)
114// > negcon_linearity:
115// - 1: Response is linear - recommended when using racing wheel
116// peripherals, not recommended for standard gamepads
117// - 2: Response is quadratic - optimal setting for gamepads
118// - 3: Response is cubic - enables precise fine control, but
119// difficult to use...
120#define NEGCON_RANGE 0x7FFF
121static int negcon_deadzone = 0;
122static int negcon_linearity = 1;
123
124/* PSX max resolution is 640x512, but with enhancement it's 1024x512 */
125#define VOUT_MAX_WIDTH 1024
126#define VOUT_MAX_HEIGHT 512
127
128//Dummy functions
129bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info){return false;}
130void retro_unload_game(void){}
131static int vout_open(void){return 0;}
132static void vout_close(void){}
133static int snd_init(void){return 0;}
134static void snd_finish(void){}
135static int snd_busy(void){return 0;}
136
137#define GPU_PEOPS_ODD_EVEN_BIT (1 << 0)
138#define GPU_PEOPS_EXPAND_SCREEN_WIDTH (1 << 1)
139#define GPU_PEOPS_IGNORE_BRIGHTNESS (1 << 2)
140#define GPU_PEOPS_DISABLE_COORD_CHECK (1 << 3)
141#define GPU_PEOPS_LAZY_SCREEN_UPDATE (1 << 6)
142#define GPU_PEOPS_OLD_FRAME_SKIP (1 << 7)
143#define GPU_PEOPS_REPEATED_TRIANGLES (1 << 8)
144#define GPU_PEOPS_QUADS_WITH_TRIANGLES (1 << 9)
145#define GPU_PEOPS_FAKE_BUSY_STATE (1 << 10)
146
147static void init_memcard(char *mcd_data)
148{
149 unsigned off = 0;
150 unsigned i;
151
152 memset(mcd_data, 0, MCD_SIZE);
153
154 mcd_data[off++] = 'M';
155 mcd_data[off++] = 'C';
156 off += 0x7d;
157 mcd_data[off++] = 0x0e;
158
159 for (i = 0; i < 15; i++) {
160 mcd_data[off++] = 0xa0;
161 off += 0x07;
162 mcd_data[off++] = 0xff;
163 mcd_data[off++] = 0xff;
164 off += 0x75;
165 mcd_data[off++] = 0xa0;
166 }
167
168 for (i = 0; i < 20; i++) {
169 mcd_data[off++] = 0xff;
170 mcd_data[off++] = 0xff;
171 mcd_data[off++] = 0xff;
172 mcd_data[off++] = 0xff;
173 off += 0x04;
174 mcd_data[off++] = 0xff;
175 mcd_data[off++] = 0xff;
176 off += 0x76;
177 }
178}
179
180static void set_vout_fb()
181{
182 struct retro_framebuffer fb = {0};
183
184 fb.width = vout_width;
185 fb.height = vout_height;
186 fb.access_flags = RETRO_MEMORY_ACCESS_WRITE;
187
188 if (environ_cb(RETRO_ENVIRONMENT_GET_CURRENT_SOFTWARE_FRAMEBUFFER, &fb) && fb.format == RETRO_PIXEL_FORMAT_RGB565)
189 vout_buf_ptr = (uint16_t*)fb.data;
190 else
191 vout_buf_ptr = vout_buf;
192}
193
194static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
195{
196 vout_width = w;
197 vout_height = h;
198
199 if (previous_width != vout_width || previous_height != vout_height)
200 {
201 previous_width = vout_width;
202 previous_height = vout_height;
203
204 struct retro_system_av_info info;
205 retro_get_system_av_info(&info);
206 environ_cb(RETRO_ENVIRONMENT_SET_GEOMETRY, &info.geometry);
207 }
208
209 set_vout_fb();
210}
211
212#ifndef FRONTEND_SUPPORTS_RGB565
213static void convert(void *buf, size_t bytes)
214{
215 unsigned int i, v, *p = buf;
216
217 for (i = 0; i < bytes / 4; i++) {
218 v = p[i];
219 p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0);
220 }
221}
222#endif
223
224static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
225{
226 unsigned short *dest = vout_buf_ptr;
227 const unsigned short *src = vram;
228 int dstride = vout_width, h1 = h;
229 int doffs;
230
231 if (vram == NULL) {
232 // blanking
233 memset(vout_buf_ptr, 0, dstride * h * 2);
234 goto out;
235 }
236
237 doffs = (vout_height - h) * dstride;
238 doffs += (dstride - w) / 2 & ~1;
239 if (doffs != vout_doffs_old) {
240 // clear borders
241 memset(vout_buf_ptr, 0, dstride * h * 2);
242 vout_doffs_old = doffs;
243 }
244 dest += doffs;
245
246 if (bgr24)
247 {
248 // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here?
249 for (; h1-- > 0; dest += dstride, src += stride)
250 {
251 bgr888_to_rgb565(dest, src, w * 3);
252 }
253 }
254 else
255 {
256 for (; h1-- > 0; dest += dstride, src += stride)
257 {
258 bgr555_to_rgb565(dest, src, w * 2);
259 }
260 }
261
262out:
263#ifndef FRONTEND_SUPPORTS_RGB565
264 convert(vout_buf_ptr, vout_width * vout_height * 2);
265#endif
266 vout_fb_dirty = 1;
267 pl_rearmed_cbs.flip_cnt++;
268}
269
270#ifdef _3DS
271typedef struct
272{
273 void* buffer;
274 uint32_t target_map;
275 size_t size;
276 enum psxMapTag tag;
277}psx_map_t;
278
279psx_map_t custom_psx_maps[] = {
280 {NULL, 0x13000000, 0x210000, MAP_TAG_RAM}, // 0x80000000
281 {NULL, 0x12800000, 0x010000, MAP_TAG_OTHER}, // 0x1f800000
282 {NULL, 0x12c00000, 0x080000, MAP_TAG_OTHER}, // 0x1fc00000
283 {NULL, 0x11000000, 0x800000, MAP_TAG_LUTS}, // 0x08000000
284 {NULL, 0x12000000, 0x200000, MAP_TAG_VRAM}, // 0x00000000
285};
286
287void* pl_3ds_mmap(unsigned long addr, size_t size, int is_fixed,
288 enum psxMapTag tag)
289{
290 (void)is_fixed;
291 (void)addr;
292
293 if (__ctr_svchax)
294 {
295 psx_map_t* custom_map = custom_psx_maps;
296
297 for (; custom_map->size; custom_map++)
298 {
299 if ((custom_map->size == size) && (custom_map->tag == tag))
300 {
301 uint32_t ptr_aligned, tmp;
302
303 custom_map->buffer = malloc(size + 0x1000);
304 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
305
306 if(svcControlMemory(&tmp, (void*)custom_map->target_map, (void*)ptr_aligned, size, MEMOP_MAP, 0x3) < 0)
307 {
308 SysPrintf("could not map memory @0x%08X\n", custom_map->target_map);
309 exit(1);
310 }
311
312 return (void*)custom_map->target_map;
313 }
314 }
315 }
316
317 return malloc(size);
318}
319
320void pl_3ds_munmap(void *ptr, size_t size, enum psxMapTag tag)
321{
322 (void)tag;
323
324 if (__ctr_svchax)
325 {
326 psx_map_t* custom_map = custom_psx_maps;
327
328 for (; custom_map->size; custom_map++)
329 {
330 if ((custom_map->target_map == (uint32_t)ptr))
331 {
332 uint32_t ptr_aligned, tmp;
333
334 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
335
336 svcControlMemory(&tmp, (void*)custom_map->target_map, (void*)ptr_aligned, size, MEMOP_UNMAP, 0x3);
337
338 free(custom_map->buffer);
339 custom_map->buffer = NULL;
340 return;
341 }
342 }
343 }
344
345 free(ptr);
346}
347#endif
348
349#ifdef VITA
350typedef struct
351{
352 void* buffer;
353 uint32_t target_map;
354 size_t size;
355 enum psxMapTag tag;
356}psx_map_t;
357
358void* addr = NULL;
359
360psx_map_t custom_psx_maps[] = {
361 {NULL, NULL, 0x210000, MAP_TAG_RAM}, // 0x80000000
362 {NULL, NULL, 0x010000, MAP_TAG_OTHER}, // 0x1f800000
363 {NULL, NULL, 0x080000, MAP_TAG_OTHER}, // 0x1fc00000
364 {NULL, NULL, 0x800000, MAP_TAG_LUTS}, // 0x08000000
365 {NULL, NULL, 0x200000, MAP_TAG_VRAM}, // 0x00000000
366};
367
368int init_vita_mmap(){
369 int n;
370 void * tmpaddr;
371 addr = malloc(64*1024*1024);
372 if(addr==NULL)
373 return -1;
374 tmpaddr = ((u32)(addr+0xFFFFFF))&~0xFFFFFF;
375 custom_psx_maps[0].buffer=tmpaddr+0x2000000;
376 custom_psx_maps[1].buffer=tmpaddr+0x1800000;
377 custom_psx_maps[2].buffer=tmpaddr+0x1c00000;
378 custom_psx_maps[3].buffer=tmpaddr+0x0000000;
379 custom_psx_maps[4].buffer=tmpaddr+0x1000000;
380#if 0
381 for(n = 0; n < 5; n++){
382 sceClibPrintf("addr reserved %x\n",custom_psx_maps[n].buffer);
383 }
384#endif
385 return 0;
386}
387
388void deinit_vita_mmap(){
389 free(addr);
390}
391
392void* pl_vita_mmap(unsigned long addr, size_t size, int is_fixed,
393 enum psxMapTag tag)
394{
395 (void)is_fixed;
396 (void)addr;
397
398
399 psx_map_t* custom_map = custom_psx_maps;
400
401 for (; custom_map->size; custom_map++)
402 {
403 if ((custom_map->size == size) && (custom_map->tag == tag))
404 {
405 return custom_map->buffer;
406 }
407 }
408
409
410 return malloc(size);
411}
412
413void pl_vita_munmap(void *ptr, size_t size, enum psxMapTag tag)
414{
415 (void)tag;
416
417 psx_map_t* custom_map = custom_psx_maps;
418
419 for (; custom_map->size; custom_map++)
420 {
421 if ((custom_map->buffer == ptr))
422 {
423 return;
424 }
425 }
426
427 free(ptr);
428}
429#endif
430
431static void *pl_mmap(unsigned int size)
432{
433 return psxMap(0, size, 0, MAP_TAG_VRAM);
434}
435
436static void pl_munmap(void *ptr, unsigned int size)
437{
438 psxUnmap(ptr, size, MAP_TAG_VRAM);
439}
440
441struct rearmed_cbs pl_rearmed_cbs = {
442 .pl_vout_open = vout_open,
443 .pl_vout_set_mode = vout_set_mode,
444 .pl_vout_flip = vout_flip,
445 .pl_vout_close = vout_close,
446 .mmap = pl_mmap,
447 .munmap = pl_munmap,
448 /* from psxcounters */
449 .gpu_hcnt = &hSyncCount,
450 .gpu_frame_count = &frame_counter,
451};
452
453void pl_frame_limit(void)
454{
455 /* called once per frame, make psxCpu->Execute() above return */
456 stop = 1;
457}
458
459void pl_timing_prepare(int is_pal)
460{
461 is_pal_mode = is_pal;
462}
463
464void plat_trigger_vibrate(int pad, int low, int high)
465{
466 if (!rumble_cb)
467 return;
468
469 if (in_enable_vibration)
470 {
471 rumble_cb(pad, RETRO_RUMBLE_STRONG, high << 8);
472 rumble_cb(pad, RETRO_RUMBLE_WEAK, low ? 0xffff : 0x0);
473 }
474}
475
476void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in)
477{
478}
479
480/* sound calls */
481static void snd_feed(void *buf, int bytes)
482{
483 if (audio_batch_cb != NULL)
484 audio_batch_cb(buf, bytes / 4);
485}
486
487void out_register_libretro(struct out_driver *drv)
488{
489 drv->name = "libretro";
490 drv->init = snd_init;
491 drv->finish = snd_finish;
492 drv->busy = snd_busy;
493 drv->feed = snd_feed;
494}
495
496/* libretro */
497void retro_set_environment(retro_environment_t cb)
498{
499 environ_cb = cb;
500
501 if (cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &logging))
502 log_cb = logging.log;
503
504 libretro_set_core_options(environ_cb);
505}
506
507void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
508void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
509void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
510void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
511void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
512
513unsigned retro_api_version(void)
514{
515 return RETRO_API_VERSION;
516}
517
518static int controller_port_variable(unsigned port, struct retro_variable *var)
519{
520 if (port >= PORTS_NUMBER)
521 return 0;
522
523 if (!environ_cb)
524 return 0;
525
526 var->value = NULL;
527 switch (port) {
528 case 0:
529 var->key = "pcsx_rearmed_pad1type";
530 break;
531 case 1:
532 var->key = "pcsx_rearmed_pad2type";
533 break;
534 case 2:
535 var->key = "pcsx_rearmed_pad3type";
536 break;
537 case 3:
538 var->key = "pcsx_rearmed_pad4type";
539 break;
540 case 4:
541 var->key = "pcsx_rearmed_pad5type";
542 break;
543 case 5:
544 var->key = "pcsx_rearmed_pad6type";
545 break;
546 case 6:
547 var->key = "pcsx_rearmed_pad7type";
548 break;
549 case 7:
550 var->key = "pcsx_rearmed_pad8type";
551 break;
552 }
553
554 return environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, var) || var->value;
555}
556
557static void update_controller_port_variable(unsigned port)
558{
559 if (port >= PORTS_NUMBER)
560 return;
561
562 struct retro_variable var;
563
564 if (controller_port_variable(port, &var))
565 {
566 if (strcmp(var.value, "standard") == 0)
567 in_type[port] = PSE_PAD_TYPE_STANDARD;
568 else if (strcmp(var.value, "analog") == 0)
569 in_type[port] = PSE_PAD_TYPE_ANALOGJOY;
570 else if (strcmp(var.value, "dualshock") == 0)
571 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
572 else if (strcmp(var.value, "negcon") == 0)
573 in_type[port] = PSE_PAD_TYPE_NEGCON;
574 else if (strcmp(var.value, "none") == 0)
575 in_type[port] = PSE_PAD_TYPE_NONE;
576 // else 'default' case, do nothing
577 }
578}
579
580static void update_controller_port_device(unsigned port, unsigned device)
581{
582 if (port >= PORTS_NUMBER)
583 return;
584
585 struct retro_variable var;
586
587 if (!controller_port_variable(port, &var))
588 return;
589
590 if (strcmp(var.value, "default") != 0)
591 return;
592
593 switch (device)
594 {
595 case RETRO_DEVICE_JOYPAD:
596 in_type[port] = PSE_PAD_TYPE_STANDARD;
597 break;
598 case RETRO_DEVICE_ANALOG:
599 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
600 break;
601 case RETRO_DEVICE_MOUSE:
602 in_type[port] = PSE_PAD_TYPE_MOUSE;
603 break;
604 case RETRO_DEVICE_LIGHTGUN:
605 in_type[port] = PSE_PAD_TYPE_GUN;
606 break;
607 case RETRO_DEVICE_NONE:
608 default:
609 in_type[port] = PSE_PAD_TYPE_NONE;
610 }
611}
612
613static void update_multitap()
614{
615 struct retro_variable var;
616 int auto_case, port;
617
618 var.value = NULL;
619 var.key = "pcsx_rearmed_multitap1";
620 auto_case = 0;
621 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value))
622 {
623 if (strcmp(var.value, "enabled") == 0)
624 multitap1 = 1;
625 else if (strcmp(var.value, "disabled") == 0)
626 multitap1 = 0;
627 else // 'auto' case
628 auto_case = 1;
629 }
630 else
631 auto_case = 1;
632
633 if (auto_case)
634 {
635 // If a gamepad is plugged after port 2, we need a first multitap.
636 multitap1 = 0;
637 for (port = 2; port < PORTS_NUMBER; port++)
638 multitap1 |= in_type[port] != PSE_PAD_TYPE_NONE;
639 }
640
641 var.value = NULL;
642 var.key = "pcsx_rearmed_multitap2";
643 auto_case = 0;
644 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value))
645 {
646 if (strcmp(var.value, "enabled") == 0)
647 multitap2 = 1;
648 else if (strcmp(var.value, "disabled") == 0)
649 multitap2 = 0;
650 else // 'auto' case
651 auto_case = 1;
652 }
653 else
654 auto_case = 1;
655
656 if (auto_case)
657 {
658 // If a gamepad is plugged after port 4, we need a second multitap.
659 multitap2 = 0;
660 for (port = 4; port < PORTS_NUMBER; port++)
661 multitap2 |= in_type[port] != PSE_PAD_TYPE_NONE;
662 }
663}
664
665void retro_set_controller_port_device(unsigned port, unsigned device)
666{
667 SysPrintf("port %u device %u",port,device);
668
669 if (port >= PORTS_NUMBER)
670 return;
671
672 update_controller_port_device(port, device);
673 update_multitap();
674}
675
676void retro_get_system_info(struct retro_system_info *info)
677{
678 memset(info, 0, sizeof(*info));
679 info->library_name = "PCSX-ReARMed";
680#ifndef GIT_VERSION
681#define GIT_VERSION ""
682#endif
683 info->library_version = "r22" GIT_VERSION;
684 info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u|chd";
685 info->need_fullpath = true;
686}
687
688void retro_get_system_av_info(struct retro_system_av_info *info)
689{
690
691 unsigned geom_height = vout_height > 0 ? vout_height : 240;
692 unsigned geom_width = vout_width > 0 ? vout_width : 320;
693
694 memset(info, 0, sizeof(*info));
695 info->timing.fps = is_pal_mode ? 50 : 60;
696 info->timing.sample_rate = 44100;
697 info->geometry.base_width = geom_width;
698 info->geometry.base_height = geom_height;
699 info->geometry.max_width = VOUT_MAX_WIDTH;
700 info->geometry.max_height = VOUT_MAX_HEIGHT;
701 info->geometry.aspect_ratio = 4.0 / 3.0;
702}
703
704/* savestates */
705size_t retro_serialize_size(void)
706{
707 // it's currently 4380651-4397047 bytes,
708 // but have some reserved for future
709 return 0x440000;
710}
711
712struct save_fp {
713 char *buf;
714 size_t pos;
715 int is_write;
716};
717
718static void *save_open(const char *name, const char *mode)
719{
720 struct save_fp *fp;
721
722 if (name == NULL || mode == NULL)
723 return NULL;
724
725 fp = malloc(sizeof(*fp));
726 if (fp == NULL)
727 return NULL;
728
729 fp->buf = (char *)name;
730 fp->pos = 0;
731 fp->is_write = (mode[0] == 'w' || mode[1] == 'w');
732
733 return fp;
734}
735
736static int save_read(void *file, void *buf, u32 len)
737{
738 struct save_fp *fp = file;
739 if (fp == NULL || buf == NULL)
740 return -1;
741
742 memcpy(buf, fp->buf + fp->pos, len);
743 fp->pos += len;
744 return len;
745}
746
747static int save_write(void *file, const void *buf, u32 len)
748{
749 struct save_fp *fp = file;
750 if (fp == NULL || buf == NULL)
751 return -1;
752
753 memcpy(fp->buf + fp->pos, buf, len);
754 fp->pos += len;
755 return len;
756}
757
758static long save_seek(void *file, long offs, int whence)
759{
760 struct save_fp *fp = file;
761 if (fp == NULL)
762 return -1;
763
764 switch (whence) {
765 case SEEK_CUR:
766 fp->pos += offs;
767 return fp->pos;
768 case SEEK_SET:
769 fp->pos = offs;
770 return fp->pos;
771 default:
772 return -1;
773 }
774}
775
776static void save_close(void *file)
777{
778 struct save_fp *fp = file;
779 size_t r_size = retro_serialize_size();
780 if (fp == NULL)
781 return;
782
783 if (fp->pos > r_size)
784 SysPrintf("ERROR: save buffer overflow detected\n");
785 else if (fp->is_write && fp->pos < r_size)
786 // make sure we don't save trash in leftover space
787 memset(fp->buf + fp->pos, 0, r_size - fp->pos);
788 free(fp);
789}
790
791bool retro_serialize(void *data, size_t size)
792{
793 int ret = SaveState(data);
794 return ret == 0 ? true : false;
795}
796
797bool retro_unserialize(const void *data, size_t size)
798{
799 int ret = LoadState(data);
800 return ret == 0 ? true : false;
801}
802
803/* cheats */
804void retro_cheat_reset(void)
805{
806 ClearAllCheats();
807}
808
809void retro_cheat_set(unsigned index, bool enabled, const char *code)
810{
811 char buf[256];
812 int ret;
813
814 // cheat funcs are destructive, need a copy..
815 strncpy(buf, code, sizeof(buf));
816 buf[sizeof(buf) - 1] = 0;
817
818 //Prepare buffered cheat for PCSX's AddCheat fucntion.
819 int cursor=0;
820 int nonhexdec=0;
821 while (buf[cursor]){
822 if (!(ISHEXDEC)){
823 if (++nonhexdec%2){
824 buf[cursor]=' ';
825 } else {
826 buf[cursor]='\n';
827 }
828 }
829 cursor++;
830 }
831
832
833 if (index < NumCheats)
834 ret = EditCheat(index, "", buf);
835 else
836 ret = AddCheat("", buf);
837
838 if (ret != 0)
839 SysPrintf("Failed to set cheat %#u\n", index);
840 else if (index < NumCheats)
841 Cheats[index].Enabled = enabled;
842}
843
844/* multidisk support */
845static bool disk_ejected;
846static unsigned int disk_current_index;
847static unsigned int disk_count;
848static struct disks_state {
849 char *fname;
850 int internal_index; // for multidisk eboots
851} disks[8];
852
853static bool disk_set_eject_state(bool ejected)
854{
855 // weird PCSX API..
856 SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2));
857 LidInterrupt();
858
859 disk_ejected = ejected;
860 return true;
861}
862
863static bool disk_get_eject_state(void)
864{
865 /* can't be controlled by emulated software */
866 return disk_ejected;
867}
868
869static unsigned int disk_get_image_index(void)
870{
871 return disk_current_index;
872}
873
874static bool disk_set_image_index(unsigned int index)
875{
876 if (index >= sizeof(disks) / sizeof(disks[0]))
877 return false;
878
879 CdromId[0] = '\0';
880 CdromLabel[0] = '\0';
881
882 if (disks[index].fname == NULL) {
883 SysPrintf("missing disk #%u\n", index);
884 CDR_shutdown();
885
886 // RetroArch specifies "no disk" with index == count,
887 // so don't fail here..
888 disk_current_index = index;
889 return true;
890 }
891
892 SysPrintf("switching to disk %u: \"%s\" #%d\n", index,
893 disks[index].fname, disks[index].internal_index);
894
895 cdrIsoMultidiskSelect = disks[index].internal_index;
896 set_cd_image(disks[index].fname);
897 if (ReloadCdromPlugin() < 0) {
898 SysPrintf("failed to load cdr plugin\n");
899 return false;
900 }
901 if (CDR_open() < 0) {
902 SysPrintf("failed to open cdr plugin\n");
903 return false;
904 }
905
906 if (!disk_ejected) {
907 SetCdOpenCaseTime(time(NULL) + 2);
908 LidInterrupt();
909 }
910
911 disk_current_index = index;
912 return true;
913}
914
915static unsigned int disk_get_num_images(void)
916{
917 return disk_count;
918}
919
920static bool disk_replace_image_index(unsigned index,
921 const struct retro_game_info *info)
922{
923 char *old_fname;
924 bool ret = true;
925
926 if (index >= sizeof(disks) / sizeof(disks[0]))
927 return false;
928
929 old_fname = disks[index].fname;
930 disks[index].fname = NULL;
931 disks[index].internal_index = 0;
932
933 if (info != NULL) {
934 disks[index].fname = strdup(info->path);
935 if (index == disk_current_index)
936 ret = disk_set_image_index(index);
937 }
938
939 if (old_fname != NULL)
940 free(old_fname);
941
942 return ret;
943}
944
945static bool disk_add_image_index(void)
946{
947 if (disk_count >= 8)
948 return false;
949
950 disk_count++;
951 return true;
952}
953
954static struct retro_disk_control_callback disk_control = {
955 .set_eject_state = disk_set_eject_state,
956 .get_eject_state = disk_get_eject_state,
957 .get_image_index = disk_get_image_index,
958 .set_image_index = disk_set_image_index,
959 .get_num_images = disk_get_num_images,
960 .replace_image_index = disk_replace_image_index,
961 .add_image_index = disk_add_image_index,
962};
963
964// just in case, maybe a win-rt port in the future?
965#ifdef _WIN32
966#define SLASH '\\'
967#else
968#define SLASH '/'
969#endif
970
971#ifndef PATH_MAX
972#define PATH_MAX 4096
973#endif
974
975static char base_dir[1024];
976
977static bool read_m3u(const char *file)
978{
979 char line[1024];
980 char name[PATH_MAX];
981 FILE *f = fopen(file, "r");
982 if (!f)
983 return false;
984
985 while (fgets(line, sizeof(line), f) && disk_count < sizeof(disks) / sizeof(disks[0])) {
986 if (line[0] == '#')
987 continue;
988 char *carrige_return = strchr(line, '\r');
989 if (carrige_return)
990 *carrige_return = '\0';
991 char *newline = strchr(line, '\n');
992 if (newline)
993 *newline = '\0';
994
995 if (line[0] != '\0')
996 {
997 snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
998 disks[disk_count++].fname = strdup(name);
999 }
1000 }
1001
1002 fclose(f);
1003 return (disk_count != 0);
1004}
1005
1006static void extract_directory(char *buf, const char *path, size_t size)
1007{
1008 char *base;
1009 strncpy(buf, path, size - 1);
1010 buf[size - 1] = '\0';
1011
1012 base = strrchr(buf, '/');
1013 if (!base)
1014 base = strrchr(buf, '\\');
1015
1016 if (base)
1017 *base = '\0';
1018 else
1019 {
1020 buf[0] = '.';
1021 buf[1] = '\0';
1022 }
1023}
1024
1025#if defined(__QNX__) || defined(_WIN32)
1026/* Blackberry QNX doesn't have strcasestr */
1027
1028/*
1029 * Find the first occurrence of find in s, ignore case.
1030 */
1031char *
1032strcasestr(const char *s, const char*find)
1033{
1034 char c, sc;
1035 size_t len;
1036
1037 if ((c = *find++) != 0) {
1038 c = tolower((unsigned char)c);
1039 len = strlen(find);
1040 do {
1041 do {
1042 if ((sc = *s++) == 0)
1043 return (NULL);
1044 } while ((char)tolower((unsigned char)sc) != c);
1045 } while (strncasecmp(s, find, len) != 0);
1046 s--;
1047 }
1048 return ((char *)s);
1049}
1050#endif
1051
1052bool retro_load_game(const struct retro_game_info *info)
1053{
1054 size_t i;
1055 bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
1056
1057 struct retro_input_descriptor desc[] = {
1058 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1059 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1060 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1061 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1062 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1063 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1064 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1065 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1066 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1067 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1068 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1069 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1070 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1071 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1072 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1073 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1074 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1075 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1076 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1077 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1078
1079
1080 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1081 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1082 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1083 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1084 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1085 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1086 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1087 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1088 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1089 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1090 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1091 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1092 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1093 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1094 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1095 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1096 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1097 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1098 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1099 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1100
1101 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1102 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1103 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1104 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1105 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1106 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1107 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1108 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1109 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1110 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1111 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1112 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1113 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1114 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1115 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1116 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1117 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1118 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1119 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1120 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1121
1122 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1123 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1124 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1125 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1126 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1127 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1128 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1129 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1130 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1131 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1132 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1133 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1134 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1135 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1136 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1137 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1138 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1139 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1140 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1141 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1142
1143 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1144 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1145 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1146 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1147 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1148 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1149 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1150 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1151 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1152 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1153 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1154 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1155 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1156 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1157 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1158 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1159 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1160 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1161 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1162 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1163
1164 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1165 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1166 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1167 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1168 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1169 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1170 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1171 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1172 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1173 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1174 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1175 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1176 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1177 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1178 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1179 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1180 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1181 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1182 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1183 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1184
1185 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1186 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1187 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1188 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1189 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1190 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1191 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1192 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1193 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1194 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1195 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1196 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1197 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1198 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1199 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1200 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1201 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1202 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1203 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1204 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1205
1206 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1207 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1208 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1209 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1210 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1211 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1212 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1213 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1214 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1215 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1216 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1217 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1218 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1219 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1220 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1221 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1222 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1223 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1224 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1225 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1226
1227 { 0 },
1228 };
1229
1230 frame_count = 0;
1231
1232 environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
1233
1234#ifdef FRONTEND_SUPPORTS_RGB565
1235 enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
1236 if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) {
1237 SysPrintf("RGB565 supported, using it\n");
1238 }
1239#endif
1240
1241 if (info == NULL || info->path == NULL) {
1242 SysPrintf("info->path required\n");
1243 return false;
1244 }
1245
1246 if (plugins_opened) {
1247 ClosePlugins();
1248 plugins_opened = 0;
1249 }
1250
1251 for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++) {
1252 if (disks[i].fname != NULL) {
1253 free(disks[i].fname);
1254 disks[i].fname = NULL;
1255 }
1256 disks[i].internal_index = 0;
1257 }
1258
1259 disk_current_index = 0;
1260 extract_directory(base_dir, info->path, sizeof(base_dir));
1261
1262 if (is_m3u) {
1263 if (!read_m3u(info->path)) {
1264 log_cb(RETRO_LOG_INFO, "failed to read m3u file\n");
1265 return false;
1266 }
1267 } else {
1268 disk_count = 1;
1269 disks[0].fname = strdup(info->path);
1270 }
1271
1272 set_cd_image(disks[0].fname);
1273
1274 /* have to reload after set_cd_image for correct cdr plugin */
1275 if (LoadPlugins() == -1) {
1276 log_cb(RETRO_LOG_INFO, "failed to load plugins\n");
1277 return false;
1278 }
1279
1280 plugins_opened = 1;
1281 NetOpened = 0;
1282
1283 if (OpenPlugins() == -1) {
1284 log_cb(RETRO_LOG_INFO, "failed to open plugins\n");
1285 return false;
1286 }
1287
1288 plugin_call_rearmed_cbs();
1289 dfinput_activate();
1290
1291 if (CheckCdrom() == -1) {
1292 log_cb(RETRO_LOG_INFO, "unsupported/invalid CD image: %s\n", info->path);
1293 return false;
1294 }
1295
1296 SysReset();
1297
1298 if (LoadCdrom() == -1) {
1299 log_cb(RETRO_LOG_INFO, "could not load CD\n");
1300 return false;
1301 }
1302 emu_on_new_cd(0);
1303
1304 // multidisk images
1305 if (!is_m3u) {
1306 disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8;
1307 for (i = 1; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++) {
1308 disks[i].fname = strdup(info->path);
1309 disks[i].internal_index = i;
1310 }
1311 }
1312
1313 return true;
1314}
1315
1316unsigned retro_get_region(void)
1317{
1318 return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
1319}
1320
1321void *retro_get_memory_data(unsigned id)
1322{
1323 if (id == RETRO_MEMORY_SAVE_RAM)
1324 return Mcd1Data;
1325 else if (id == RETRO_MEMORY_SYSTEM_RAM)
1326 return psxM;
1327 else
1328 return NULL;
1329}
1330
1331size_t retro_get_memory_size(unsigned id)
1332{
1333 if (id == RETRO_MEMORY_SAVE_RAM)
1334 return MCD_SIZE;
1335 else if (id == RETRO_MEMORY_SYSTEM_RAM)
1336 return 0x200000;
1337 else
1338 return 0;
1339}
1340
1341void retro_reset(void)
1342{
1343 //hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
1344 rebootemu = 1;
1345 //SysReset();
1346}
1347
1348static const unsigned short retro_psx_map[] = {
1349 [RETRO_DEVICE_ID_JOYPAD_B] = 1 << DKEY_CROSS,
1350 [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << DKEY_SQUARE,
1351 [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT,
1352 [RETRO_DEVICE_ID_JOYPAD_START] = 1 << DKEY_START,
1353 [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << DKEY_UP,
1354 [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << DKEY_DOWN,
1355 [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << DKEY_LEFT,
1356 [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << DKEY_RIGHT,
1357 [RETRO_DEVICE_ID_JOYPAD_A] = 1 << DKEY_CIRCLE,
1358 [RETRO_DEVICE_ID_JOYPAD_X] = 1 << DKEY_TRIANGLE,
1359 [RETRO_DEVICE_ID_JOYPAD_L] = 1 << DKEY_L1,
1360 [RETRO_DEVICE_ID_JOYPAD_R] = 1 << DKEY_R1,
1361 [RETRO_DEVICE_ID_JOYPAD_L2] = 1 << DKEY_L2,
1362 [RETRO_DEVICE_ID_JOYPAD_R2] = 1 << DKEY_R2,
1363 [RETRO_DEVICE_ID_JOYPAD_L3] = 1 << DKEY_L3,
1364 [RETRO_DEVICE_ID_JOYPAD_R3] = 1 << DKEY_R3,
1365};
1366#define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
1367
1368static void update_variables(bool in_flight)
1369{
1370 struct retro_variable var;
1371 int i;
1372 int gpu_peops_fix = 0;
1373
1374 var.value = NULL;
1375 var.key = "pcsx_rearmed_frameskip";
1376 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1377 pl_rearmed_cbs.frameskip = atoi(var.value);
1378
1379 var.value = NULL;
1380 var.key = "pcsx_rearmed_region";
1381 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1382 {
1383 Config.PsxAuto = 0;
1384 if (strcmp(var.value, "auto") == 0)
1385 Config.PsxAuto = 1;
1386 else if (strcmp(var.value, "NTSC") == 0)
1387 Config.PsxType = 0;
1388 else if (strcmp(var.value, "PAL") == 0)
1389 Config.PsxType = 1;
1390 }
1391
1392 for (i = 0; i < PORTS_NUMBER; i++)
1393 update_controller_port_variable(i);
1394
1395 update_multitap();
1396
1397 var.value = NULL;
1398 var.key = "pcsx_rearmed_negcon_deadzone";
1399 negcon_deadzone = 0;
1400 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1401 {
1402 negcon_deadzone = (int)(atoi(var.value) * 0.01f * NEGCON_RANGE);
1403 }
1404
1405 var.value = NULL;
1406 var.key = "pcsx_rearmed_negcon_response";
1407 negcon_linearity = 1;
1408 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1409 {
1410 if (strcmp(var.value, "quadratic") == 0){
1411 negcon_linearity = 2;
1412 } else if (strcmp(var.value, "cubic") == 0){
1413 negcon_linearity = 3;
1414 }
1415 }
1416
1417 var.value = NULL;
1418 var.key = "pcsx_rearmed_vibration";
1419
1420 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1421 {
1422 if (strcmp(var.value, "disabled") == 0)
1423 in_enable_vibration = 0;
1424 else if (strcmp(var.value, "enabled") == 0)
1425 in_enable_vibration = 1;
1426 }
1427
1428 var.value = NULL;
1429 var.key = "pcsx_rearmed_dithering";
1430
1431 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1432 {
1433 if (strcmp(var.value, "disabled") == 0) {
1434 pl_rearmed_cbs.gpu_peops.iUseDither = 0;
1435 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 0;
1436#ifdef __ARM_NEON__
1437 pl_rearmed_cbs.gpu_neon.allow_dithering = 0;
1438#endif
1439 }
1440 else if (strcmp(var.value, "enabled") == 0) {
1441 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
1442 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 1;
1443#ifdef __ARM_NEON__
1444 pl_rearmed_cbs.gpu_neon.allow_dithering = 1;
1445#endif
1446 }
1447 }
1448
1449#ifdef __ARM_NEON__
1450 var.value = "NULL";
1451 var.key = "pcsx_rearmed_neon_interlace_enable";
1452
1453 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1454 {
1455 if (strcmp(var.value, "disabled") == 0)
1456 pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
1457 else if (strcmp(var.value, "enabled") == 0)
1458 pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
1459 }
1460
1461 var.value = NULL;
1462 var.key = "pcsx_rearmed_neon_enhancement_enable";
1463
1464 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1465 {
1466 if (strcmp(var.value, "disabled") == 0)
1467 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
1468 else if (strcmp(var.value, "enabled") == 0)
1469 pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
1470 }
1471
1472 var.value = NULL;
1473 var.key = "pcsx_rearmed_neon_enhancement_no_main";
1474
1475 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1476 {
1477 if (strcmp(var.value, "disabled") == 0)
1478 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
1479 else if (strcmp(var.value, "enabled") == 0)
1480 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1;
1481 }
1482#endif
1483
1484 var.value = "NULL";
1485 var.key = "pcsx_rearmed_duping_enable";
1486
1487 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1488 {
1489 if (strcmp(var.value, "disabled") == 0)
1490 duping_enable = false;
1491 else if (strcmp(var.value, "enabled") == 0)
1492 duping_enable = true;
1493 }
1494
1495 var.value = "NULL";
1496 var.key = "pcsx_rearmed_display_internal_fps";
1497
1498 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1499 {
1500 if (strcmp(var.value, "disabled") == 0)
1501 display_internal_fps = false;
1502 else if (strcmp(var.value, "enabled") == 0)
1503 display_internal_fps = true;
1504 }
1505
1506#ifndef DRC_DISABLE
1507 var.value = NULL;
1508 var.key = "pcsx_rearmed_drc";
1509
1510 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1511 {
1512 R3000Acpu *prev_cpu = psxCpu;
1513
1514#ifdef _3DS
1515 if(!__ctr_svchax)
1516 Config.Cpu = CPU_INTERPRETER;
1517 else
1518#endif
1519 if (strcmp(var.value, "disabled") == 0)
1520 Config.Cpu = CPU_INTERPRETER;
1521 else if (strcmp(var.value, "enabled") == 0)
1522 Config.Cpu = CPU_DYNAREC;
1523
1524 psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
1525 if (psxCpu != prev_cpu) {
1526 prev_cpu->Shutdown();
1527 psxCpu->Init();
1528 psxCpu->Reset(); // not really a reset..
1529 }
1530 }
1531#endif
1532
1533 var.value = "NULL";
1534 var.key = "pcsx_rearmed_spu_reverb";
1535
1536 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1537 {
1538 if (strcmp(var.value, "disabled") == 0)
1539 spu_config.iUseReverb = false;
1540 else if (strcmp(var.value, "enabled") == 0)
1541 spu_config.iUseReverb = true;
1542 }
1543
1544 var.value = "NULL";
1545 var.key = "pcsx_rearmed_spu_interpolation";
1546
1547 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1548 {
1549 if (strcmp(var.value, "simple") == 0)
1550 spu_config.iUseInterpolation = 1;
1551 else if (strcmp(var.value, "gaussian") == 0)
1552 spu_config.iUseInterpolation = 2;
1553 else if (strcmp(var.value, "cubic") == 0)
1554 spu_config.iUseInterpolation = 3;
1555 else if (strcmp(var.value, "off") == 0)
1556 spu_config.iUseInterpolation = 0;
1557 }
1558
1559 var.value = "NULL";
1560 var.key = "pcsx_rearmed_pe2_fix";
1561
1562 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1563 {
1564 if (strcmp(var.value, "disabled") == 0)
1565 Config.RCntFix = 0;
1566 else if (strcmp(var.value, "enabled") == 0)
1567 Config.RCntFix = 1;
1568 }
1569
1570 var.value = "NULL";
1571 var.key = "pcsx_rearmed_idiablofix";
1572
1573 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1574 {
1575 if (strcmp(var.value, "disabled") == 0)
1576 spu_config.idiablofix = 0;
1577 else if (strcmp(var.value, "enabled") == 0)
1578 spu_config.idiablofix = 1;
1579 }
1580
1581 var.value = "NULL";
1582 var.key = "pcsx_rearmed_inuyasha_fix";
1583
1584 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1585 {
1586 if (strcmp(var.value, "disabled") == 0)
1587 Config.VSyncWA = 0;
1588 else if (strcmp(var.value, "enabled") == 0)
1589 Config.VSyncWA = 1;
1590 }
1591
1592 var.value = NULL;
1593 var.key = "pcsx_rearmed_noxadecoding";
1594 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1595 {
1596 if (strcmp(var.value, "disabled") == 0)
1597 Config.Xa = 1;
1598 else
1599 Config.Xa = 0;
1600 }
1601
1602 var.value = NULL;
1603 var.key = "pcsx_rearmed_nocdaudio";
1604 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1605 {
1606 if (strcmp(var.value, "disabled") == 0)
1607 Config.Cdda = 1;
1608 else
1609 Config.Cdda = 0;
1610 }
1611
1612#ifndef DRC_DISABLE
1613 var.value = NULL;
1614 var.key = "pcsx_rearmed_nosmccheck";
1615 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1616 {
1617 if (strcmp(var.value, "enabled") == 0)
1618 new_dynarec_hacks |= NDHACK_NO_SMC_CHECK;
1619 else
1620 new_dynarec_hacks &= ~NDHACK_NO_SMC_CHECK;
1621 }
1622
1623 var.value = NULL;
1624 var.key = "pcsx_rearmed_gteregsunneeded";
1625 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1626 {
1627 if (strcmp(var.value, "enabled") == 0)
1628 new_dynarec_hacks |= NDHACK_GTE_UNNEEDED;
1629 else
1630 new_dynarec_hacks &= ~NDHACK_GTE_UNNEEDED;
1631 }
1632
1633 var.value = NULL;
1634 var.key = "pcsx_rearmed_nogteflags";
1635 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1636 {
1637 if (strcmp(var.value, "enabled") == 0)
1638 new_dynarec_hacks |= NDHACK_GTE_NO_FLAGS;
1639 else
1640 new_dynarec_hacks &= ~NDHACK_GTE_NO_FLAGS;
1641 }
1642#endif
1643
1644#ifdef GPU_PEOPS
1645 var.value = "NULL";
1646 var.key = "pcsx_rearmed_gpu_peops_odd_even_bit";
1647
1648 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1649 {
1650 if (strcmp(var.value, "enabled") == 0)
1651 gpu_peops_fix |= GPU_PEOPS_ODD_EVEN_BIT;
1652 }
1653
1654 var.value = "NULL";
1655 var.key = "pcsx_rearmed_gpu_peops_expand_screen_width";
1656
1657 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1658 {
1659 if (strcmp(var.value, "enabled") == 0)
1660 gpu_peops_fix |= GPU_PEOPS_EXPAND_SCREEN_WIDTH;
1661 }
1662
1663 var.value = "NULL";
1664 var.key = "pcsx_rearmed_gpu_peops_ignore_brightness";
1665
1666 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1667 {
1668 if (strcmp(var.value, "enabled") == 0)
1669 gpu_peops_fix |= GPU_PEOPS_IGNORE_BRIGHTNESS;
1670 }
1671
1672 var.value = "NULL";
1673 var.key = "pcsx_rearmed_gpu_peops_disable_coord_check";
1674
1675 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1676 {
1677 if (strcmp(var.value, "enabled") == 0)
1678 gpu_peops_fix |= GPU_PEOPS_DISABLE_COORD_CHECK;
1679 }
1680
1681 var.value = "NULL";
1682 var.key = "pcsx_rearmed_gpu_peops_lazy_screen_update";
1683
1684 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1685 {
1686 if (strcmp(var.value, "enabled") == 0)
1687 gpu_peops_fix |= GPU_PEOPS_LAZY_SCREEN_UPDATE;
1688 }
1689
1690 var.value = "NULL";
1691 var.key = "pcsx_rearmed_gpu_peops_old_frame_skip";
1692
1693 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1694 {
1695 if (strcmp(var.value, "enabled") == 0)
1696 gpu_peops_fix |= GPU_PEOPS_OLD_FRAME_SKIP;
1697 }
1698
1699 var.value = "NULL";
1700 var.key = "pcsx_rearmed_gpu_peops_repeated_triangles";
1701
1702 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1703 {
1704 if (strcmp(var.value, "enabled") == 0)
1705 gpu_peops_fix |= GPU_PEOPS_REPEATED_TRIANGLES;
1706 }
1707
1708 var.value = "NULL";
1709 var.key = "pcsx_rearmed_gpu_peops_quads_with_triangles";
1710
1711 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1712 {
1713 if (strcmp(var.value, "enabled") == 0)
1714 gpu_peops_fix |= GPU_PEOPS_QUADS_WITH_TRIANGLES;
1715 }
1716
1717 var.value = "NULL";
1718 var.key = "pcsx_rearmed_gpu_peops_fake_busy_state";
1719
1720 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1721 {
1722 if (strcmp(var.value, "enabled") == 0)
1723 gpu_peops_fix |= GPU_PEOPS_FAKE_BUSY_STATE;
1724 }
1725
1726 if (pl_rearmed_cbs.gpu_peops.dwActFixes != gpu_peops_fix)
1727 pl_rearmed_cbs.gpu_peops.dwActFixes = gpu_peops_fix;
1728
1729
1730 /* Show/hide core options */
1731
1732 var.key = "pcsx_rearmed_show_gpu_peops_settings";
1733 var.value = NULL;
1734
1735 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1736 {
1737 int show_advanced_gpu_peops_settings_prev = show_advanced_gpu_peops_settings;
1738
1739 show_advanced_gpu_peops_settings = 1;
1740 if (strcmp(var.value, "disabled") == 0)
1741 show_advanced_gpu_peops_settings = 0;
1742
1743 if (show_advanced_gpu_peops_settings != show_advanced_gpu_peops_settings_prev)
1744 {
1745 unsigned i;
1746 struct retro_core_option_display option_display;
1747 char gpu_peops_option[9][45] = {
1748 "pcsx_rearmed_gpu_peops_odd_even_bit",
1749 "pcsx_rearmed_gpu_peops_expand_screen_width",
1750 "pcsx_rearmed_gpu_peops_ignore_brightness",
1751 "pcsx_rearmed_gpu_peops_disable_coord_check",
1752 "pcsx_rearmed_gpu_peops_lazy_screen_update",
1753 "pcsx_rearmed_gpu_peops_old_frame_skip",
1754 "pcsx_rearmed_gpu_peops_repeated_triangles",
1755 "pcsx_rearmed_gpu_peops_quads_with_triangles",
1756 "pcsx_rearmed_gpu_peops_fake_busy_state",
1757 };
1758
1759 option_display.visible = show_advanced_gpu_peops_settings;
1760
1761 for (i = 0; i < 9; i++)
1762 {
1763 option_display.key = gpu_peops_option[i];
1764 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY, &option_display);
1765 }
1766 }
1767 }
1768#endif
1769
1770 if (in_flight) {
1771 // inform core things about possible config changes
1772 plugin_call_rearmed_cbs();
1773
1774 if (GPU_open != NULL && GPU_close != NULL) {
1775 GPU_close();
1776 GPU_open(&gpuDisp, "PCSX", NULL);
1777 }
1778
1779 dfinput_activate();
1780 }
1781 else
1782 {
1783 //not yet running
1784
1785 //bootlogo display hack
1786 if (found_bios) {
1787 var.value = "NULL";
1788 var.key = "pcsx_rearmed_show_bios_bootlogo";
1789 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1790 {
1791 Config.SlowBoot = 0;
1792 rebootemu = 0;
1793 if (strcmp(var.value, "enabled") == 0)
1794 {
1795 Config.SlowBoot = 1;
1796 rebootemu = 1;
1797 }
1798 }
1799 }
1800#ifndef DRC_DISABLE
1801 var.value = "NULL";
1802 var.key = "pcsx_rearmed_psxclock";
1803 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1804 {
1805 int psxclock = atoi(var.value);
1806 cycle_multiplier = 10000 / psxclock;
1807 }
1808#endif
1809 }
1810}
1811
1812// Taken from beetle-psx-libretro
1813static uint16_t get_analog_button(int16_t ret, retro_input_state_t input_state_cb, int player_index, int id)
1814{
1815 // NOTE: Analog buttons were added Nov 2017. Not all front-ends support this
1816 // feature (or pre-date it) so we need to handle this in a graceful way.
1817
1818 // First, try and get an analog value using the new libretro API constant
1819 uint16_t button = input_state_cb(player_index,
1820 RETRO_DEVICE_ANALOG,
1821 RETRO_DEVICE_INDEX_ANALOG_BUTTON,
1822 id);
1823 button = MIN(button / 128, 255);
1824
1825 if (button == 0)
1826 {
1827 // If we got exactly zero, we're either not pressing the button, or the front-end
1828 // is not reporting analog values. We need to do a second check using the classic
1829 // digital API method, to at least get some response - better than nothing.
1830
1831 // NOTE: If we're really just not holding the button, we're still going to get zero.
1832
1833 button = (ret & (1 << id)) ? 255 : 0;
1834 }
1835
1836 return button;
1837}
1838
1839void retro_run(void)
1840{
1841 int i;
1842 //SysReset must be run while core is running,Not in menu (Locks up Retroarch)
1843 if (rebootemu != 0) {
1844 rebootemu = 0;
1845 SysReset();
1846 if (!Config.HLE && !Config.SlowBoot) {
1847 // skip BIOS logos
1848 psxRegs.pc = psxRegs.GPR.n.ra;
1849 }
1850 }
1851
1852 if (display_internal_fps) {
1853 frame_count++;
1854
1855 if (frame_count % INTERNAL_FPS_SAMPLE_PERIOD == 0) {
1856 unsigned internal_fps = pl_rearmed_cbs.flip_cnt * (is_pal_mode ? 50 : 60) / INTERNAL_FPS_SAMPLE_PERIOD;
1857 char str[64];
1858 const char *strc = (const char*)str;
1859 struct retro_message msg =
1860 {
1861 strc,
1862 180
1863 };
1864
1865 str[0] = '\0';
1866
1867 snprintf(str, sizeof(str), "Internal FPS: %2d", internal_fps);
1868
1869 pl_rearmed_cbs.flip_cnt = 0;
1870
1871 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, &msg);
1872 }
1873 }
1874 else
1875 frame_count = 0;
1876
1877 input_poll_cb();
1878
1879 bool updated = false;
1880 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
1881 update_variables(true);
1882
1883 // reset all keystate, query libretro for keystate
1884 int j;
1885 int lsx;
1886 int rsy;
1887 float negcon_twist_amplitude;
1888 int negcon_i_rs;
1889 int negcon_ii_rs;
1890 for(i = 0; i < PORTS_NUMBER; i++)
1891 {
1892 int16_t ret = 0;
1893 in_keystate[i] = 0;
1894
1895 if (in_type[i] == PSE_PAD_TYPE_NONE)
1896 continue;
1897
1898 if (libretro_supports_bitmasks)
1899 ret = input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_MASK);
1900 else
1901 {
1902 unsigned j;
1903 for (j = 0; j < (RETRO_DEVICE_ID_JOYPAD_R3+1); j++)
1904 {
1905 if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, j))
1906 ret |= (1 << j);
1907 }
1908 }
1909
1910 if (in_type[i] == PSE_PAD_TYPE_NEGCON)
1911 {
1912 // Query digital inputs
1913 //
1914 // > Pad-Up
1915 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_UP))
1916 in_keystate[i] |= (1 << DKEY_UP);
1917 // > Pad-Right
1918 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_RIGHT))
1919 in_keystate[i] |= (1 << DKEY_RIGHT);
1920 // > Pad-Down
1921 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_DOWN))
1922 in_keystate[i] |= (1 << DKEY_DOWN);
1923 // > Pad-Left
1924 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_LEFT))
1925 in_keystate[i] |= (1 << DKEY_LEFT);
1926 // > Start
1927 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_START))
1928 in_keystate[i] |= (1 << DKEY_START);
1929 // > neGcon A
1930 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_A))
1931 in_keystate[i] |= (1 << DKEY_CIRCLE);
1932 // > neGcon B
1933 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_X))
1934 in_keystate[i] |= (1 << DKEY_TRIANGLE);
1935 // > neGcon R shoulder (digital)
1936 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_R))
1937 in_keystate[i] |= (1 << DKEY_R1);
1938 // Query analog inputs
1939 //
1940 // From studying 'libpcsxcore/plugins.c' and 'frontend/plugin.c':
1941 // >> pad->leftJoyX == in_analog_left[i][0] == NeGcon II
1942 // >> pad->leftJoyY == in_analog_left[i][1] == NeGcon L
1943 // >> pad->rightJoyX == in_analog_right[i][0] == NeGcon twist
1944 // >> pad->rightJoyY == in_analog_right[i][1] == NeGcon I
1945 // So we just have to map in_analog_left/right to more
1946 // appropriate inputs...
1947 //
1948 // > NeGcon twist
1949 // >> Get raw analog stick value and account for deadzone
1950 lsx = input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X);
1951 if (lsx > negcon_deadzone)
1952 lsx = lsx - negcon_deadzone;
1953 else if (lsx < -negcon_deadzone)
1954 lsx = lsx + negcon_deadzone;
1955 else
1956 lsx = 0;
1957 // >> Convert to an 'amplitude' [-1.0,1.0] and adjust response
1958 negcon_twist_amplitude = (float)lsx / (float)(NEGCON_RANGE - negcon_deadzone);
1959 if (negcon_linearity == 2)
1960 {
1961 if (negcon_twist_amplitude < 0.0)
1962 negcon_twist_amplitude = -(negcon_twist_amplitude * negcon_twist_amplitude);
1963 else
1964 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude;
1965 }
1966 else if (negcon_linearity == 3)
1967 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude * negcon_twist_amplitude;
1968 // >> Convert to final 'in_analog' integer value [0,255]
1969 in_analog_right[i][0] = MAX(MIN((int)(negcon_twist_amplitude * 128.0f) + 128, 255), 0);
1970 // > NeGcon I + II
1971 // >> Handle right analog stick vertical axis mapping...
1972 // - Up (-Y) == accelerate == neGcon I
1973 // - Down (+Y) == brake == neGcon II
1974 negcon_i_rs = 0;
1975 negcon_ii_rs = 0;
1976 rsy = input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y);
1977 if (rsy >= 0){
1978 // Account for deadzone
1979 // (Note: have never encountered a gamepad with significant differences
1980 // in deadzone between left/right analog sticks, so use the regular 'twist'
1981 // deadzone here)
1982 if (rsy > negcon_deadzone)
1983 rsy = rsy - negcon_deadzone;
1984 else
1985 rsy = 0;
1986 // Convert to 'in_analog' integer value [0,255]
1987 negcon_ii_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
1988 } else {
1989 if (rsy < -negcon_deadzone)
1990 rsy = -1 * (rsy + negcon_deadzone);
1991 else
1992 rsy = 0;
1993 negcon_i_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
1994 }
1995 // >> NeGcon I
1996 in_analog_right[i][1] = MAX(
1997 MAX(
1998 get_analog_button(ret, input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_R2),
1999 get_analog_button(ret, input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_B)
2000 ),
2001 negcon_i_rs
2002 );
2003 // >> NeGcon II
2004 in_analog_left[i][0] = MAX(
2005 MAX(
2006 get_analog_button(ret, input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_L2),
2007 get_analog_button(ret, input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_Y)
2008 ),
2009 negcon_ii_rs
2010 );
2011 // > NeGcon L
2012 in_analog_left[i][1] = get_analog_button(ret, input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_L);
2013 }
2014 else
2015 {
2016 // Query digital inputs
2017 for (j = 0; j < RETRO_PSX_MAP_LEN; j++)
2018 if (ret & (1 << j))
2019 in_keystate[i] |= retro_psx_map[j];
2020
2021 // Query analog inputs
2022 if (in_type[i] == PSE_PAD_TYPE_ANALOGJOY || in_type[i] == PSE_PAD_TYPE_ANALOGPAD)
2023 {
2024 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);
2025 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);
2026 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);
2027 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);
2028 }
2029 }
2030 }
2031
2032 stop = 0;
2033 psxCpu->Execute();
2034
2035 video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf_ptr : NULL,
2036 vout_width, vout_height, vout_width * 2);
2037 vout_fb_dirty = 0;
2038
2039 set_vout_fb();
2040}
2041
2042static bool try_use_bios(const char *path)
2043{
2044 FILE *f;
2045 long size;
2046 const char *name;
2047
2048 f = fopen(path, "rb");
2049 if (f == NULL)
2050 return false;
2051
2052 fseek(f, 0, SEEK_END);
2053 size = ftell(f);
2054 fclose(f);
2055
2056 if (size != 512 * 1024)
2057 return false;
2058
2059 name = strrchr(path, SLASH);
2060 if (name++ == NULL)
2061 name = path;
2062 snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
2063 return true;
2064}
2065
2066#ifndef VITA
2067#include <sys/types.h>
2068#include <dirent.h>
2069
2070static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
2071{
2072 DIR *dir;
2073 struct dirent *ent;
2074 bool ret = false;
2075
2076 dir = opendir(dirpath);
2077 if (dir == NULL)
2078 return false;
2079
2080 while ((ent = readdir(dir))) {
2081 if ((strncasecmp(ent->d_name, "scph", 4) != 0) && (strncasecmp(ent->d_name, "psx", 3) != 0))
2082 continue;
2083
2084 snprintf(path, path_size, "%s%c%s", dirpath, SLASH, ent->d_name);
2085 ret = try_use_bios(path);
2086 if (ret)
2087 break;
2088 }
2089 closedir(dir);
2090 return ret;
2091}
2092#else
2093#define find_any_bios(...) false
2094#endif
2095
2096static void check_system_specs(void)
2097{
2098 unsigned level = 6;
2099 environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
2100}
2101
2102static int init_memcards(void)
2103{
2104 int ret = 0;
2105 const char *dir;
2106 struct retro_variable var = { .key="pcsx_rearmed_memcard2", .value=NULL };
2107 static const char CARD2_FILE[] = "pcsx-card2.mcd";
2108
2109 // Memcard2 will be handled and is re-enabled if needed using core
2110 // operations.
2111 // Memcard1 is handled by libretro, doing this will set core to
2112 // skip file io operations for memcard1 like SaveMcd
2113 snprintf(Config.Mcd1, sizeof(Config.Mcd1), "none");
2114 snprintf(Config.Mcd2, sizeof(Config.Mcd2), "none");
2115 init_memcard(Mcd1Data);
2116 // Memcard 2 is managed by the emulator on the filesystem,
2117 // There is no need to initialize Mcd2Data like Mcd1Data.
2118
2119 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
2120 SysPrintf("Memcard 2: %s\n", var.value);
2121 if (memcmp(var.value, "enabled", 7) == 0) {
2122 if (environ_cb(RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY, &dir) && dir) {
2123 if (strlen(dir) + strlen(CARD2_FILE) + 2 > sizeof(Config.Mcd2)) {
2124 SysPrintf("Path '%s' is too long. Cannot use memcard 2. Use a shorter path.\n", dir);
2125 ret = -1;
2126 } else {
2127 McdDisable[1] = 0;
2128 snprintf(Config.Mcd2, sizeof(Config.Mcd2), "%s/%s", dir, CARD2_FILE);
2129 SysPrintf("Use memcard 2: %s\n", Config.Mcd2);
2130 }
2131 } else {
2132 SysPrintf("Could not get save directory! Could not create memcard 2.");
2133 ret = -1;
2134 }
2135 }
2136 }
2137 return ret;
2138}
2139
2140static void loadPSXBios(void)
2141{
2142 const char *dir;
2143 char path[PATH_MAX];
2144 unsigned useHLE = 0;
2145
2146 const char *bios[] = {
2147 "PSXONPSP660", "psxonpsp660",
2148 "SCPH101", "scph101",
2149 "SCPH5501", "scph5501",
2150 "SCPH7001", "scph7001",
2151 "SCPH1001", "scph1001"
2152 };
2153
2154 struct retro_variable var = {
2155 .key = "pcsx_rearmed_bios",
2156 .value = NULL
2157 };
2158
2159 found_bios = 0;
2160
2161 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
2162 if (!strcmp(var.value, "HLE"))
2163 useHLE = 1;
2164 }
2165
2166 if (!useHLE)
2167 {
2168 if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
2169 {
2170 unsigned i;
2171 snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s", dir);
2172
2173 for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++) {
2174 snprintf(path, sizeof(path), "%s%c%s.bin", dir, SLASH, bios[i]);
2175 found_bios = try_use_bios(path);
2176 if (found_bios)
2177 break;
2178 }
2179
2180 if (!found_bios)
2181 found_bios = find_any_bios(dir, path, sizeof(path));
2182 }
2183 if (found_bios) {
2184 SysPrintf("found BIOS file: %s\n", Config.Bios);
2185 }
2186 }
2187
2188 if (useHLE || !found_bios)
2189 {
2190 SysPrintf("no BIOS files found.\n");
2191 struct retro_message msg =
2192 {
2193 "No PlayStation BIOS file found - add for better compatibility",
2194 180
2195 };
2196 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, (void*)&msg);
2197 }
2198}
2199
2200void retro_init(void)
2201{
2202 struct retro_rumble_interface rumble;
2203 int ret;
2204
2205#ifdef __MACH__
2206 // magic sauce to make the dynarec work on iOS
2207 syscall(SYS_ptrace, 0 /*PTRACE_TRACEME*/, 0, 0, 0);
2208#endif
2209
2210#ifdef _3DS
2211 psxMapHook = pl_3ds_mmap;
2212 psxUnmapHook = pl_3ds_munmap;
2213#endif
2214#ifdef VITA
2215 if(init_vita_mmap()<0)
2216 abort();
2217 psxMapHook = pl_vita_mmap;
2218 psxUnmapHook = pl_vita_munmap;
2219#endif
2220 ret = emu_core_preinit();
2221#ifdef _3DS
2222 /* emu_core_preinit sets the cpu to dynarec */
2223 if(!__ctr_svchax)
2224 Config.Cpu = CPU_INTERPRETER;
2225#endif
2226 ret |= init_memcards();
2227
2228 ret |= emu_core_init();
2229 if (ret != 0) {
2230 SysPrintf("PCSX init failed.\n");
2231 exit(1);
2232 }
2233
2234#ifdef _3DS
2235 vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
2236#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && !defined(VITA)
2237 posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
2238#else
2239 vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
2240#endif
2241
2242 vout_buf_ptr = vout_buf;
2243
2244 loadPSXBios();
2245
2246 environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
2247 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
2248
2249 rumble_cb = NULL;
2250 if (environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble))
2251 rumble_cb = rumble.set_rumble_state;
2252
2253 /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
2254 * we have to do this because cache misses and some IO penalties
2255 * are not emulated. Warning: changing this may break compatibility. */
2256 cycle_multiplier = 175;
2257#ifdef HAVE_PRE_ARMV7
2258 cycle_multiplier = 200;
2259#endif
2260 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
2261 pl_rearmed_cbs.gpu_peops.dwActFixes = GPU_PEOPS_OLD_FRAME_SKIP;
2262 spu_config.iUseFixedUpdates = 1;
2263
2264 SaveFuncs.open = save_open;
2265 SaveFuncs.read = save_read;
2266 SaveFuncs.write = save_write;
2267 SaveFuncs.seek = save_seek;
2268 SaveFuncs.close = save_close;
2269
2270 if (environ_cb(RETRO_ENVIRONMENT_GET_INPUT_BITMASKS, NULL))
2271 libretro_supports_bitmasks = true;
2272
2273 update_variables(false);
2274 check_system_specs();
2275}
2276
2277void retro_deinit(void)
2278{
2279 ClosePlugins();
2280 SysClose();
2281#ifdef _3DS
2282 linearFree(vout_buf);
2283#else
2284 free(vout_buf);
2285#endif
2286 vout_buf = NULL;
2287
2288#ifdef VITA
2289 deinit_vita_mmap();
2290#endif
2291 libretro_supports_bitmasks = false;
2292}
2293
2294#ifdef VITA
2295#include <psp2/kernel/threadmgr.h>
2296int usleep (unsigned long us)
2297{
2298 sceKernelDelayThread(us);
2299}
2300#endif
2301
2302void SysPrintf(const char *fmt, ...) {
2303 va_list list;
2304 char msg[512];
2305
2306 va_start(list, fmt);
2307 vsprintf(msg, fmt, list);
2308 va_end(list);
2309
2310 if (log_cb)
2311 log_cb(RETRO_LOG_INFO, "%s", msg);
2312}
ARM optimized PCSX fork