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More core option fixes
[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#ifdef SWITCH
19#include <switch.h>
20#endif
21
22#include "../libpcsxcore/misc.h"
23#include "../libpcsxcore/psxcounters.h"
24#include "../libpcsxcore/psxmem_map.h"
25#include "../libpcsxcore/new_dynarec/new_dynarec.h"
26#include "../libpcsxcore/cdrom.h"
27#include "../libpcsxcore/cdriso.h"
28#include "../libpcsxcore/cheat.h"
29#include "../libpcsxcore/r3000a.h"
30#include "../plugins/dfsound/out.h"
31#include "../plugins/dfsound/spu_config.h"
32#include "../plugins/dfinput/externals.h"
33#include "cspace.h"
34#include "main.h"
35#include "menu.h"
36#include "plugin.h"
37#include "plugin_lib.h"
38#include "arm_features.h"
39#include "revision.h"
40
41#include <libretro.h>
42#include "libretro_core_options.h"
43
44#ifdef _3DS
45#include "3ds/3ds_utils.h"
46#endif
47
48#define PORTS_NUMBER 8
49
50#ifndef MIN
51#define MIN(a, b) ((a) < (b) ? (a) : (b))
52#endif
53
54#ifndef MAX
55#define MAX(a, b) ((a) > (b) ? (a) : (b))
56#endif
57
58#define ISHEXDEC ((buf[cursor]>='0') && (buf[cursor]<='9')) || ((buf[cursor]>='a') && (buf[cursor]<='f')) || ((buf[cursor]>='A') && (buf[cursor]<='F'))
59
60#define INTERNAL_FPS_SAMPLE_PERIOD 64
61
62#ifdef DRC_DISABLE
63int stop;
64u32 next_interupt;
65u32 event_cycles[PSXINT_COUNT];
66int cycle_multiplier;
67int new_dynarec_hacks;
68
69void new_dyna_before_save(void) { }
70void new_dyna_after_save(void) { }
71void new_dyna_freeze(void *f, int i) { }
72#endif
73
74//hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
75static int rebootemu = 0;
76
77static retro_video_refresh_t video_cb;
78static retro_input_poll_t input_poll_cb;
79static retro_input_state_t input_state_cb;
80static retro_environment_t environ_cb;
81static retro_audio_sample_batch_t audio_batch_cb;
82static retro_set_rumble_state_t rumble_cb;
83static struct retro_log_callback logging;
84static retro_log_printf_t log_cb;
85
86static void *vout_buf;
87static void * vout_buf_ptr;
88static int vout_width, vout_height;
89static int vout_doffs_old, vout_fb_dirty;
90static bool vout_can_dupe;
91static bool duping_enable;
92static bool found_bios;
93static bool display_internal_fps = false;
94static unsigned frame_count = 0;
95static bool libretro_supports_bitmasks = false;
96#ifdef GPU_PEOPS
97static int show_advanced_gpu_peops_settings = -1;
98#endif
99#ifdef GPU_UNAI
100static int show_advanced_gpu_unai_settings = -1;
101#endif
102
103static unsigned previous_width = 0;
104static unsigned previous_height = 0;
105
106static int plugins_opened;
107static int is_pal_mode;
108
109/* memory card data */
110extern char Mcd1Data[MCD_SIZE];
111extern char Mcd2Data[MCD_SIZE];
112extern char McdDisable[2];
113
114/* PCSX ReARMed core calls and stuff */
115int in_type[8] = { PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
116 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
117 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
118 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE };
119int in_analog_left[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
120int in_analog_right[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
121unsigned short in_keystate[PORTS_NUMBER];
122int multitap1 = 0;
123int multitap2 = 0;
124int in_enable_vibration = 1;
125
126// NegCon adjustment parameters
127// > The NegCon 'twist' action is somewhat awkward when mapped
128// to a standard analog stick -> user should be able to tweak
129// response/deadzone for comfort
130// > When response is linear, 'additional' deadzone (set here)
131// may be left at zero, since this is normally handled via in-game
132// options menus
133// > When response is non-linear, deadzone should be set to match the
134// controller being used (otherwise precision may be lost)
135// > negcon_linearity:
136// - 1: Response is linear - recommended when using racing wheel
137// peripherals, not recommended for standard gamepads
138// - 2: Response is quadratic - optimal setting for gamepads
139// - 3: Response is cubic - enables precise fine control, but
140// difficult to use...
141#define NEGCON_RANGE 0x7FFF
142static int negcon_deadzone = 0;
143static int negcon_linearity = 1;
144
145static bool axis_bounds_modifier;
146
147/* PSX max resolution is 640x512, but with enhancement it's 1024x512 */
148#define VOUT_MAX_WIDTH 1024
149#define VOUT_MAX_HEIGHT 512
150
151//Dummy functions
152bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info){return false;}
153void retro_unload_game(void){}
154static int vout_open(void){return 0;}
155static void vout_close(void){}
156static int snd_init(void){return 0;}
157static void snd_finish(void){}
158static int snd_busy(void){return 0;}
159
160#define GPU_PEOPS_ODD_EVEN_BIT (1 << 0)
161#define GPU_PEOPS_EXPAND_SCREEN_WIDTH (1 << 1)
162#define GPU_PEOPS_IGNORE_BRIGHTNESS (1 << 2)
163#define GPU_PEOPS_DISABLE_COORD_CHECK (1 << 3)
164#define GPU_PEOPS_LAZY_SCREEN_UPDATE (1 << 6)
165#define GPU_PEOPS_OLD_FRAME_SKIP (1 << 7)
166#define GPU_PEOPS_REPEATED_TRIANGLES (1 << 8)
167#define GPU_PEOPS_QUADS_WITH_TRIANGLES (1 << 9)
168#define GPU_PEOPS_FAKE_BUSY_STATE (1 << 10)
169
170static void init_memcard(char *mcd_data)
171{
172 unsigned off = 0;
173 unsigned i;
174
175 memset(mcd_data, 0, MCD_SIZE);
176
177 mcd_data[off++] = 'M';
178 mcd_data[off++] = 'C';
179 off += 0x7d;
180 mcd_data[off++] = 0x0e;
181
182 for (i = 0; i < 15; i++) {
183 mcd_data[off++] = 0xa0;
184 off += 0x07;
185 mcd_data[off++] = 0xff;
186 mcd_data[off++] = 0xff;
187 off += 0x75;
188 mcd_data[off++] = 0xa0;
189 }
190
191 for (i = 0; i < 20; i++) {
192 mcd_data[off++] = 0xff;
193 mcd_data[off++] = 0xff;
194 mcd_data[off++] = 0xff;
195 mcd_data[off++] = 0xff;
196 off += 0x04;
197 mcd_data[off++] = 0xff;
198 mcd_data[off++] = 0xff;
199 off += 0x76;
200 }
201}
202
203static void set_vout_fb()
204{
205 struct retro_framebuffer fb = {0};
206
207 fb.width = vout_width;
208 fb.height = vout_height;
209 fb.access_flags = RETRO_MEMORY_ACCESS_WRITE;
210
211 if (environ_cb(RETRO_ENVIRONMENT_GET_CURRENT_SOFTWARE_FRAMEBUFFER, &fb) && fb.format == RETRO_PIXEL_FORMAT_RGB565)
212 vout_buf_ptr = (uint16_t*)fb.data;
213 else
214 vout_buf_ptr = vout_buf;
215}
216
217static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
218{
219 vout_width = w;
220 vout_height = h;
221
222 if (previous_width != vout_width || previous_height != vout_height)
223 {
224 previous_width = vout_width;
225 previous_height = vout_height;
226
227 struct retro_system_av_info info;
228 retro_get_system_av_info(&info);
229 environ_cb(RETRO_ENVIRONMENT_SET_GEOMETRY, &info.geometry);
230 }
231
232 set_vout_fb();
233}
234
235#ifndef FRONTEND_SUPPORTS_RGB565
236static void convert(void *buf, size_t bytes)
237{
238 unsigned int i, v, *p = buf;
239
240 for (i = 0; i < bytes / 4; i++) {
241 v = p[i];
242 p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0);
243 }
244}
245#endif
246
247static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
248{
249 unsigned short *dest = vout_buf_ptr;
250 const unsigned short *src = vram;
251 int dstride = vout_width, h1 = h;
252 int doffs;
253
254 if (vram == NULL) {
255 // blanking
256 memset(vout_buf_ptr, 0, dstride * h * 2);
257 goto out;
258 }
259
260 doffs = (vout_height - h) * dstride;
261 doffs += (dstride - w) / 2 & ~1;
262 if (doffs != vout_doffs_old) {
263 // clear borders
264 memset(vout_buf_ptr, 0, dstride * h * 2);
265 vout_doffs_old = doffs;
266 }
267 dest += doffs;
268
269 if (bgr24)
270 {
271 // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here?
272 for (; h1-- > 0; dest += dstride, src += stride)
273 {
274 bgr888_to_rgb565(dest, src, w * 3);
275 }
276 }
277 else
278 {
279 for (; h1-- > 0; dest += dstride, src += stride)
280 {
281 bgr555_to_rgb565(dest, src, w * 2);
282 }
283 }
284
285out:
286#ifndef FRONTEND_SUPPORTS_RGB565
287 convert(vout_buf_ptr, vout_width * vout_height * 2);
288#endif
289 vout_fb_dirty = 1;
290 pl_rearmed_cbs.flip_cnt++;
291}
292
293#ifdef _3DS
294typedef struct
295{
296 void* buffer;
297 uint32_t target_map;
298 size_t size;
299 enum psxMapTag tag;
300}psx_map_t;
301
302psx_map_t custom_psx_maps[] = {
303 {NULL, 0x13000000, 0x210000, MAP_TAG_RAM}, // 0x80000000
304 {NULL, 0x12800000, 0x010000, MAP_TAG_OTHER}, // 0x1f800000
305 {NULL, 0x12c00000, 0x080000, MAP_TAG_OTHER}, // 0x1fc00000
306 {NULL, 0x11000000, 0x800000, MAP_TAG_LUTS}, // 0x08000000
307 {NULL, 0x12000000, 0x200000, MAP_TAG_VRAM}, // 0x00000000
308};
309
310void* pl_3ds_mmap(unsigned long addr, size_t size, int is_fixed,
311 enum psxMapTag tag)
312{
313 (void)is_fixed;
314 (void)addr;
315
316 if (__ctr_svchax)
317 {
318 psx_map_t* custom_map = custom_psx_maps;
319
320 for (; custom_map->size; custom_map++)
321 {
322 if ((custom_map->size == size) && (custom_map->tag == tag))
323 {
324 uint32_t ptr_aligned, tmp;
325
326 custom_map->buffer = malloc(size + 0x1000);
327 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
328
329 if(svcControlMemory(&tmp, (void*)custom_map->target_map, (void*)ptr_aligned, size, MEMOP_MAP, 0x3) < 0)
330 {
331 SysPrintf("could not map memory @0x%08X\n", custom_map->target_map);
332 exit(1);
333 }
334
335 return (void*)custom_map->target_map;
336 }
337 }
338 }
339
340 return malloc(size);
341}
342
343void pl_3ds_munmap(void *ptr, size_t size, enum psxMapTag tag)
344{
345 (void)tag;
346
347 if (__ctr_svchax)
348 {
349 psx_map_t* custom_map = custom_psx_maps;
350
351 for (; custom_map->size; custom_map++)
352 {
353 if ((custom_map->target_map == (uint32_t)ptr))
354 {
355 uint32_t ptr_aligned, tmp;
356
357 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
358
359 svcControlMemory(&tmp, (void*)custom_map->target_map, (void*)ptr_aligned, size, MEMOP_UNMAP, 0x3);
360
361 free(custom_map->buffer);
362 custom_map->buffer = NULL;
363 return;
364 }
365 }
366 }
367
368 free(ptr);
369}
370#endif
371
372#ifdef VITA
373typedef struct
374{
375 void* buffer;
376 uint32_t target_map;
377 size_t size;
378 enum psxMapTag tag;
379}psx_map_t;
380
381void* addr = NULL;
382
383psx_map_t custom_psx_maps[] = {
384 {NULL, NULL, 0x210000, MAP_TAG_RAM}, // 0x80000000
385 {NULL, NULL, 0x010000, MAP_TAG_OTHER}, // 0x1f800000
386 {NULL, NULL, 0x080000, MAP_TAG_OTHER}, // 0x1fc00000
387 {NULL, NULL, 0x800000, MAP_TAG_LUTS}, // 0x08000000
388 {NULL, NULL, 0x200000, MAP_TAG_VRAM}, // 0x00000000
389};
390
391int init_vita_mmap(){
392 int n;
393 void * tmpaddr;
394 addr = malloc(64*1024*1024);
395 if(addr==NULL)
396 return -1;
397 tmpaddr = ((u32)(addr+0xFFFFFF))&~0xFFFFFF;
398 custom_psx_maps[0].buffer=tmpaddr+0x2000000;
399 custom_psx_maps[1].buffer=tmpaddr+0x1800000;
400 custom_psx_maps[2].buffer=tmpaddr+0x1c00000;
401 custom_psx_maps[3].buffer=tmpaddr+0x0000000;
402 custom_psx_maps[4].buffer=tmpaddr+0x1000000;
403#if 0
404 for(n = 0; n < 5; n++){
405 sceClibPrintf("addr reserved %x\n",custom_psx_maps[n].buffer);
406 }
407#endif
408 return 0;
409}
410
411void deinit_vita_mmap(){
412 free(addr);
413}
414
415void* pl_vita_mmap(unsigned long addr, size_t size, int is_fixed,
416 enum psxMapTag tag)
417{
418 (void)is_fixed;
419 (void)addr;
420
421
422 psx_map_t* custom_map = custom_psx_maps;
423
424 for (; custom_map->size; custom_map++)
425 {
426 if ((custom_map->size == size) && (custom_map->tag == tag))
427 {
428 return custom_map->buffer;
429 }
430 }
431
432
433 return malloc(size);
434}
435
436void pl_vita_munmap(void *ptr, size_t size, enum psxMapTag tag)
437{
438 (void)tag;
439
440 psx_map_t* custom_map = custom_psx_maps;
441
442 for (; custom_map->size; custom_map++)
443 {
444 if ((custom_map->buffer == ptr))
445 {
446 return;
447 }
448 }
449
450 free(ptr);
451}
452#endif
453
454static void *pl_mmap(unsigned int size)
455{
456 return psxMap(0, size, 0, MAP_TAG_VRAM);
457}
458
459static void pl_munmap(void *ptr, unsigned int size)
460{
461 psxUnmap(ptr, size, MAP_TAG_VRAM);
462}
463
464struct rearmed_cbs pl_rearmed_cbs = {
465 .pl_vout_open = vout_open,
466 .pl_vout_set_mode = vout_set_mode,
467 .pl_vout_flip = vout_flip,
468 .pl_vout_close = vout_close,
469 .mmap = pl_mmap,
470 .munmap = pl_munmap,
471 /* from psxcounters */
472 .gpu_hcnt = &hSyncCount,
473 .gpu_frame_count = &frame_counter,
474};
475
476void pl_frame_limit(void)
477{
478 /* called once per frame, make psxCpu->Execute() above return */
479 stop = 1;
480}
481
482void pl_timing_prepare(int is_pal)
483{
484 is_pal_mode = is_pal;
485}
486
487void plat_trigger_vibrate(int pad, int low, int high)
488{
489 if (!rumble_cb)
490 return;
491
492 if (in_enable_vibration)
493 {
494 rumble_cb(pad, RETRO_RUMBLE_STRONG, high << 8);
495 rumble_cb(pad, RETRO_RUMBLE_WEAK, low ? 0xffff : 0x0);
496 }
497}
498
499void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in)
500{
501}
502
503/* sound calls */
504static void snd_feed(void *buf, int bytes)
505{
506 if (audio_batch_cb != NULL)
507 audio_batch_cb(buf, bytes / 4);
508}
509
510void out_register_libretro(struct out_driver *drv)
511{
512 drv->name = "libretro";
513 drv->init = snd_init;
514 drv->finish = snd_finish;
515 drv->busy = snd_busy;
516 drv->feed = snd_feed;
517}
518
519/* libretro */
520void retro_set_environment(retro_environment_t cb)
521{
522 environ_cb = cb;
523
524 if (cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &logging))
525 log_cb = logging.log;
526
527 libretro_set_core_options(environ_cb);
528}
529
530void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
531void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
532void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
533void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
534void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
535
536unsigned retro_api_version(void)
537{
538 return RETRO_API_VERSION;
539}
540
541static int controller_port_variable(unsigned port, struct retro_variable *var)
542{
543 if (port >= PORTS_NUMBER)
544 return 0;
545
546 if (!environ_cb)
547 return 0;
548
549 var->value = NULL;
550 switch (port) {
551 case 0:
552 var->key = "pcsx_rearmed_pad1type";
553 break;
554 case 1:
555 var->key = "pcsx_rearmed_pad2type";
556 break;
557 case 2:
558 var->key = "pcsx_rearmed_pad3type";
559 break;
560 case 3:
561 var->key = "pcsx_rearmed_pad4type";
562 break;
563 case 4:
564 var->key = "pcsx_rearmed_pad5type";
565 break;
566 case 5:
567 var->key = "pcsx_rearmed_pad6type";
568 break;
569 case 6:
570 var->key = "pcsx_rearmed_pad7type";
571 break;
572 case 7:
573 var->key = "pcsx_rearmed_pad8type";
574 break;
575 }
576
577 return environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, var) && var->value;
578}
579
580static void update_controller_port_variable(unsigned port)
581{
582 if (port >= PORTS_NUMBER)
583 return;
584
585 struct retro_variable var;
586
587 if (controller_port_variable(port, &var))
588 {
589 if (strcmp(var.value, "standard") == 0)
590 in_type[port] = PSE_PAD_TYPE_STANDARD;
591 else if (strcmp(var.value, "analog") == 0)
592 in_type[port] = PSE_PAD_TYPE_ANALOGJOY;
593 else if (strcmp(var.value, "dualshock") == 0)
594 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
595 else if (strcmp(var.value, "negcon") == 0)
596 in_type[port] = PSE_PAD_TYPE_NEGCON;
597 else if (strcmp(var.value, "guncon") == 0)
598 in_type[port] = PSE_PAD_TYPE_GUNCON;
599 else if (strcmp(var.value, "none") == 0)
600 in_type[port] = PSE_PAD_TYPE_NONE;
601 // else 'default' case, do nothing
602 }
603}
604
605static void update_controller_port_device(unsigned port, unsigned device)
606{
607 if (port >= PORTS_NUMBER)
608 return;
609
610 struct retro_variable var;
611
612 if (!controller_port_variable(port, &var))
613 return;
614
615 if (strcmp(var.value, "default") != 0)
616 return;
617
618 switch (device)
619 {
620 case RETRO_DEVICE_JOYPAD:
621 in_type[port] = PSE_PAD_TYPE_STANDARD;
622 break;
623 case RETRO_DEVICE_ANALOG:
624 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
625 break;
626 case RETRO_DEVICE_MOUSE:
627 in_type[port] = PSE_PAD_TYPE_MOUSE;
628 break;
629 case RETRO_DEVICE_LIGHTGUN:
630 in_type[port] = PSE_PAD_TYPE_GUN;
631 break;
632 case RETRO_DEVICE_NONE:
633 default:
634 in_type[port] = PSE_PAD_TYPE_NONE;
635 }
636}
637
638static void update_multitap()
639{
640 struct retro_variable var;
641 int auto_case, port;
642
643 var.value = NULL;
644 var.key = "pcsx_rearmed_multitap1";
645 auto_case = 0;
646 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value))
647 {
648 if (strcmp(var.value, "enabled") == 0)
649 multitap1 = 1;
650 else if (strcmp(var.value, "disabled") == 0)
651 multitap1 = 0;
652 else // 'auto' case
653 auto_case = 1;
654 }
655 else
656 auto_case = 1;
657
658 if (auto_case)
659 {
660 // If a gamepad is plugged after port 2, we need a first multitap.
661 multitap1 = 0;
662 for (port = 2; port < PORTS_NUMBER; port++)
663 multitap1 |= in_type[port] != PSE_PAD_TYPE_NONE;
664 }
665
666 var.value = NULL;
667 var.key = "pcsx_rearmed_multitap2";
668 auto_case = 0;
669 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value))
670 {
671 if (strcmp(var.value, "enabled") == 0)
672 multitap2 = 1;
673 else if (strcmp(var.value, "disabled") == 0)
674 multitap2 = 0;
675 else // 'auto' case
676 auto_case = 1;
677 }
678 else
679 auto_case = 1;
680
681 if (auto_case)
682 {
683 // If a gamepad is plugged after port 4, we need a second multitap.
684 multitap2 = 0;
685 for (port = 4; port < PORTS_NUMBER; port++)
686 multitap2 |= in_type[port] != PSE_PAD_TYPE_NONE;
687 }
688}
689
690void retro_set_controller_port_device(unsigned port, unsigned device)
691{
692 SysPrintf("port %u device %u",port,device);
693
694 if (port >= PORTS_NUMBER)
695 return;
696
697 update_controller_port_device(port, device);
698 update_multitap();
699}
700
701void retro_get_system_info(struct retro_system_info *info)
702{
703 memset(info, 0, sizeof(*info));
704 info->library_name = "PCSX-ReARMed";
705#ifndef GIT_VERSION
706#define GIT_VERSION ""
707#endif
708 info->library_version = "r22" GIT_VERSION;
709 info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u|chd";
710 info->need_fullpath = true;
711}
712
713void retro_get_system_av_info(struct retro_system_av_info *info)
714{
715
716 unsigned geom_height = vout_height > 0 ? vout_height : 240;
717 unsigned geom_width = vout_width > 0 ? vout_width : 320;
718
719 memset(info, 0, sizeof(*info));
720 info->timing.fps = is_pal_mode ? 50 : 60;
721 info->timing.sample_rate = 44100;
722 info->geometry.base_width = geom_width;
723 info->geometry.base_height = geom_height;
724 info->geometry.max_width = VOUT_MAX_WIDTH;
725 info->geometry.max_height = VOUT_MAX_HEIGHT;
726 info->geometry.aspect_ratio = 4.0 / 3.0;
727}
728
729/* savestates */
730size_t retro_serialize_size(void)
731{
732 // it's currently 4380651-4397047 bytes,
733 // but have some reserved for future
734 return 0x440000;
735}
736
737struct save_fp {
738 char *buf;
739 size_t pos;
740 int is_write;
741};
742
743static void *save_open(const char *name, const char *mode)
744{
745 struct save_fp *fp;
746
747 if (name == NULL || mode == NULL)
748 return NULL;
749
750 fp = malloc(sizeof(*fp));
751 if (fp == NULL)
752 return NULL;
753
754 fp->buf = (char *)name;
755 fp->pos = 0;
756 fp->is_write = (mode[0] == 'w' || mode[1] == 'w');
757
758 return fp;
759}
760
761static int save_read(void *file, void *buf, u32 len)
762{
763 struct save_fp *fp = file;
764 if (fp == NULL || buf == NULL)
765 return -1;
766
767 memcpy(buf, fp->buf + fp->pos, len);
768 fp->pos += len;
769 return len;
770}
771
772static int save_write(void *file, const void *buf, u32 len)
773{
774 struct save_fp *fp = file;
775 if (fp == NULL || buf == NULL)
776 return -1;
777
778 memcpy(fp->buf + fp->pos, buf, len);
779 fp->pos += len;
780 return len;
781}
782
783static long save_seek(void *file, long offs, int whence)
784{
785 struct save_fp *fp = file;
786 if (fp == NULL)
787 return -1;
788
789 switch (whence) {
790 case SEEK_CUR:
791 fp->pos += offs;
792 return fp->pos;
793 case SEEK_SET:
794 fp->pos = offs;
795 return fp->pos;
796 default:
797 return -1;
798 }
799}
800
801static void save_close(void *file)
802{
803 struct save_fp *fp = file;
804 size_t r_size = retro_serialize_size();
805 if (fp == NULL)
806 return;
807
808 if (fp->pos > r_size)
809 SysPrintf("ERROR: save buffer overflow detected\n");
810 else if (fp->is_write && fp->pos < r_size)
811 // make sure we don't save trash in leftover space
812 memset(fp->buf + fp->pos, 0, r_size - fp->pos);
813 free(fp);
814}
815
816bool retro_serialize(void *data, size_t size)
817{
818 int ret = SaveState(data);
819 return ret == 0 ? true : false;
820}
821
822bool retro_unserialize(const void *data, size_t size)
823{
824 int ret = LoadState(data);
825 return ret == 0 ? true : false;
826}
827
828/* cheats */
829void retro_cheat_reset(void)
830{
831 ClearAllCheats();
832}
833
834void retro_cheat_set(unsigned index, bool enabled, const char *code)
835{
836 char buf[256];
837 int ret;
838
839 // cheat funcs are destructive, need a copy..
840 strncpy(buf, code, sizeof(buf));
841 buf[sizeof(buf) - 1] = 0;
842
843 //Prepare buffered cheat for PCSX's AddCheat fucntion.
844 int cursor=0;
845 int nonhexdec=0;
846 while (buf[cursor]){
847 if (!(ISHEXDEC)){
848 if (++nonhexdec%2){
849 buf[cursor]=' ';
850 } else {
851 buf[cursor]='\n';
852 }
853 }
854 cursor++;
855 }
856
857
858 if (index < NumCheats)
859 ret = EditCheat(index, "", buf);
860 else
861 ret = AddCheat("", buf);
862
863 if (ret != 0)
864 SysPrintf("Failed to set cheat %#u\n", index);
865 else if (index < NumCheats)
866 Cheats[index].Enabled = enabled;
867}
868
869// just in case, maybe a win-rt port in the future?
870#ifdef _WIN32
871#define SLASH '\\'
872#else
873#define SLASH '/'
874#endif
875
876#ifndef PATH_MAX
877#define PATH_MAX 4096
878#endif
879
880/* multidisk support */
881static unsigned int disk_initial_index;
882static char disk_initial_path[PATH_MAX];
883static bool disk_ejected;
884static unsigned int disk_current_index;
885static unsigned int disk_count;
886static struct disks_state {
887 char *fname;
888 char *flabel;
889 int internal_index; // for multidisk eboots
890} disks[8];
891
892static void get_disk_label(char *disk_label, const char *disk_path, size_t len)
893{
894 const char *base = NULL;
895
896 if (!disk_path || (*disk_path == '\0'))
897 return;
898
899 base = strrchr(disk_path, SLASH);
900 if (!base)
901 base = disk_path;
902
903 if (*base == SLASH)
904 base++;
905
906 strncpy(disk_label, base, len - 1);
907 disk_label[len - 1] = '\0';
908
909 char *ext = strrchr(disk_label, '.');
910 if (ext)
911 *ext = '\0';
912}
913
914static void disk_init(void)
915{
916 size_t i;
917
918 disk_ejected = false;
919 disk_current_index = 0;
920 disk_count = 0;
921
922 for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++) {
923 if (disks[i].fname != NULL) {
924 free(disks[i].fname);
925 disks[i].fname = NULL;
926 }
927 if (disks[i].flabel != NULL) {
928 free(disks[i].flabel);
929 disks[i].flabel = NULL;
930 }
931 disks[i].internal_index = 0;
932 }
933}
934
935static bool disk_set_eject_state(bool ejected)
936{
937 // weird PCSX API..
938 SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2));
939 LidInterrupt();
940
941 disk_ejected = ejected;
942 return true;
943}
944
945static bool disk_get_eject_state(void)
946{
947 /* can't be controlled by emulated software */
948 return disk_ejected;
949}
950
951static unsigned int disk_get_image_index(void)
952{
953 return disk_current_index;
954}
955
956static bool disk_set_image_index(unsigned int index)
957{
958 if (index >= sizeof(disks) / sizeof(disks[0]))
959 return false;
960
961 CdromId[0] = '\0';
962 CdromLabel[0] = '\0';
963
964 if (disks[index].fname == NULL) {
965 SysPrintf("missing disk #%u\n", index);
966 CDR_shutdown();
967
968 // RetroArch specifies "no disk" with index == count,
969 // so don't fail here..
970 disk_current_index = index;
971 return true;
972 }
973
974 SysPrintf("switching to disk %u: \"%s\" #%d\n", index,
975 disks[index].fname, disks[index].internal_index);
976
977 cdrIsoMultidiskSelect = disks[index].internal_index;
978 set_cd_image(disks[index].fname);
979 if (ReloadCdromPlugin() < 0) {
980 SysPrintf("failed to load cdr plugin\n");
981 return false;
982 }
983 if (CDR_open() < 0) {
984 SysPrintf("failed to open cdr plugin\n");
985 return false;
986 }
987
988 if (!disk_ejected) {
989 SetCdOpenCaseTime(time(NULL) + 2);
990 LidInterrupt();
991 }
992
993 disk_current_index = index;
994 return true;
995}
996
997static unsigned int disk_get_num_images(void)
998{
999 return disk_count;
1000}
1001
1002static bool disk_replace_image_index(unsigned index,
1003 const struct retro_game_info *info)
1004{
1005 char *old_fname = NULL;
1006 char *old_flabel = NULL;
1007 bool ret = true;
1008
1009 if (index >= sizeof(disks) / sizeof(disks[0]))
1010 return false;
1011
1012 old_fname = disks[index].fname;
1013 old_flabel = disks[index].flabel;
1014
1015 disks[index].fname = NULL;
1016 disks[index].flabel = NULL;
1017 disks[index].internal_index = 0;
1018
1019 if (info != NULL) {
1020 char disk_label[PATH_MAX];
1021 disk_label[0] = '\0';
1022
1023 disks[index].fname = strdup(info->path);
1024
1025 get_disk_label(disk_label, info->path, PATH_MAX);
1026 disks[index].flabel = strdup(disk_label);
1027
1028 if (index == disk_current_index)
1029 ret = disk_set_image_index(index);
1030 }
1031
1032 if (old_fname != NULL)
1033 free(old_fname);
1034
1035 if (old_flabel != NULL)
1036 free(old_flabel);
1037
1038 return ret;
1039}
1040
1041static bool disk_add_image_index(void)
1042{
1043 if (disk_count >= 8)
1044 return false;
1045
1046 disk_count++;
1047 return true;
1048}
1049
1050static bool disk_set_initial_image(unsigned index, const char *path)
1051{
1052 if (index >= sizeof(disks) / sizeof(disks[0]))
1053 return false;
1054
1055 if (!path || (*path == '\0'))
1056 return false;
1057
1058 disk_initial_index = index;
1059
1060 strncpy(disk_initial_path, path, sizeof(disk_initial_path) - 1);
1061 disk_initial_path[sizeof(disk_initial_path) - 1] = '\0';
1062
1063 return true;
1064}
1065
1066static bool disk_get_image_path(unsigned index, char *path, size_t len)
1067{
1068 const char *fname = NULL;
1069
1070 if (len < 1)
1071 return false;
1072
1073 if (index >= sizeof(disks) / sizeof(disks[0]))
1074 return false;
1075
1076 fname = disks[index].fname;
1077
1078 if (!fname || (*fname == '\0'))
1079 return false;
1080
1081 strncpy(path, fname, len - 1);
1082 path[len - 1] = '\0';
1083
1084 return true;
1085}
1086
1087static bool disk_get_image_label(unsigned index, char *label, size_t len)
1088{
1089 const char *flabel = NULL;
1090
1091 if (len < 1)
1092 return false;
1093
1094 if (index >= sizeof(disks) / sizeof(disks[0]))
1095 return false;
1096
1097 flabel = disks[index].flabel;
1098
1099 if (!flabel || (*flabel == '\0'))
1100 return false;
1101
1102 strncpy(label, flabel, len - 1);
1103 label[len - 1] = '\0';
1104
1105 return true;
1106}
1107
1108static struct retro_disk_control_callback disk_control = {
1109 .set_eject_state = disk_set_eject_state,
1110 .get_eject_state = disk_get_eject_state,
1111 .get_image_index = disk_get_image_index,
1112 .set_image_index = disk_set_image_index,
1113 .get_num_images = disk_get_num_images,
1114 .replace_image_index = disk_replace_image_index,
1115 .add_image_index = disk_add_image_index,
1116};
1117
1118static struct retro_disk_control_ext_callback disk_control_ext = {
1119 .set_eject_state = disk_set_eject_state,
1120 .get_eject_state = disk_get_eject_state,
1121 .get_image_index = disk_get_image_index,
1122 .set_image_index = disk_set_image_index,
1123 .get_num_images = disk_get_num_images,
1124 .replace_image_index = disk_replace_image_index,
1125 .add_image_index = disk_add_image_index,
1126 .set_initial_image = disk_set_initial_image,
1127 .get_image_path = disk_get_image_path,
1128 .get_image_label = disk_get_image_label,
1129};
1130
1131static char base_dir[1024];
1132
1133static bool read_m3u(const char *file)
1134{
1135 char line[1024];
1136 char name[PATH_MAX];
1137 FILE *f = fopen(file, "r");
1138 if (!f)
1139 return false;
1140
1141 while (fgets(line, sizeof(line), f) && disk_count < sizeof(disks) / sizeof(disks[0])) {
1142 if (line[0] == '#')
1143 continue;
1144 char *carrige_return = strchr(line, '\r');
1145 if (carrige_return)
1146 *carrige_return = '\0';
1147 char *newline = strchr(line, '\n');
1148 if (newline)
1149 *newline = '\0';
1150
1151 if (line[0] != '\0')
1152 {
1153 char disk_label[PATH_MAX];
1154 disk_label[0] = '\0';
1155
1156 snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
1157 disks[disk_count].fname = strdup(name);
1158
1159 get_disk_label(disk_label, name, PATH_MAX);
1160 disks[disk_count].flabel = strdup(disk_label);
1161
1162 disk_count++;
1163 }
1164 }
1165
1166 fclose(f);
1167 return (disk_count != 0);
1168}
1169
1170static void extract_directory(char *buf, const char *path, size_t size)
1171{
1172 char *base;
1173 strncpy(buf, path, size - 1);
1174 buf[size - 1] = '\0';
1175
1176 base = strrchr(buf, '/');
1177 if (!base)
1178 base = strrchr(buf, '\\');
1179
1180 if (base)
1181 *base = '\0';
1182 else
1183 {
1184 buf[0] = '.';
1185 buf[1] = '\0';
1186 }
1187}
1188
1189#if defined(__QNX__) || defined(_WIN32)
1190/* Blackberry QNX doesn't have strcasestr */
1191
1192/*
1193 * Find the first occurrence of find in s, ignore case.
1194 */
1195char *
1196strcasestr(const char *s, const char*find)
1197{
1198 char c, sc;
1199 size_t len;
1200
1201 if ((c = *find++) != 0) {
1202 c = tolower((unsigned char)c);
1203 len = strlen(find);
1204 do {
1205 do {
1206 if ((sc = *s++) == 0)
1207 return (NULL);
1208 } while ((char)tolower((unsigned char)sc) != c);
1209 } while (strncasecmp(s, find, len) != 0);
1210 s--;
1211 }
1212 return ((char *)s);
1213}
1214#endif
1215
1216static void set_retro_memmap(void)
1217{
1218 struct retro_memory_map retromap = { 0 };
1219 struct retro_memory_descriptor mmap =
1220 {
1221 0, psxM, 0, 0, 0, 0, 0x200000
1222 };
1223
1224 retromap.descriptors = &mmap;
1225 retromap.num_descriptors = 1;
1226
1227 environ_cb(RETRO_ENVIRONMENT_SET_MEMORY_MAPS, &retromap);
1228}
1229
1230static void update_variables(bool in_flight);
1231bool retro_load_game(const struct retro_game_info *info)
1232{
1233 size_t i;
1234 unsigned int cd_index = 0;
1235 bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
1236
1237 struct retro_input_descriptor desc[] = {
1238 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1239 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1240 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1241 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1242 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1243 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1244 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1245 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1246 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1247 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1248 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1249 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1250 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1251 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1252 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1253 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1254 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1255 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1256 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1257 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1258
1259
1260 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1261 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1262 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1263 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1264 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1265 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1266 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1267 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1268 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1269 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1270 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1271 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1272 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1273 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1274 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1275 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1276 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1277 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1278 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1279 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1280
1281 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1282 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1283 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1284 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1285 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1286 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1287 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1288 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1289 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1290 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1291 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1292 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1293 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1294 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1295 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1296 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1297 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1298 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1299 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1300 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1301
1302 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1303 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1304 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1305 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1306 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1307 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1308 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1309 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1310 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1311 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1312 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1313 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1314 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1315 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1316 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1317 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1318 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1319 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1320 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1321 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1322
1323 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1324 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1325 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1326 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1327 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1328 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1329 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1330 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1331 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1332 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1333 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1334 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1335 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1336 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1337 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1338 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1339 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1340 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1341 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1342 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1343
1344 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1345 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1346 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1347 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1348 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1349 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1350 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1351 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1352 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1353 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1354 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1355 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1356 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1357 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1358 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1359 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1360 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1361 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1362 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1363 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1364
1365 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1366 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1367 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1368 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1369 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1370 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1371 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1372 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1373 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1374 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1375 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1376 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1377 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1378 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1379 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1380 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1381 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1382 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1383 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1384 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1385
1386 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1387 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1388 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1389 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1390 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1391 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1392 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1393 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1394 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1395 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1396 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1397 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1398 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1399 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1400 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1401 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1402 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1403 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1404 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1405 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1406
1407 { 0 },
1408 };
1409
1410 frame_count = 0;
1411
1412 environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
1413
1414#ifdef FRONTEND_SUPPORTS_RGB565
1415 enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
1416 if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) {
1417 SysPrintf("RGB565 supported, using it\n");
1418 }
1419#endif
1420
1421 if (info == NULL || info->path == NULL) {
1422 SysPrintf("info->path required\n");
1423 return false;
1424 }
1425
1426 update_variables(false);
1427
1428 if (plugins_opened) {
1429 ClosePlugins();
1430 plugins_opened = 0;
1431 }
1432
1433 disk_init();
1434
1435 extract_directory(base_dir, info->path, sizeof(base_dir));
1436
1437 if (is_m3u) {
1438 if (!read_m3u(info->path)) {
1439 log_cb(RETRO_LOG_INFO, "failed to read m3u file\n");
1440 return false;
1441 }
1442 } else {
1443 char disk_label[PATH_MAX];
1444 disk_label[0] = '\0';
1445
1446 disk_count = 1;
1447 disks[0].fname = strdup(info->path);
1448
1449 get_disk_label(disk_label, info->path, PATH_MAX);
1450 disks[0].flabel = strdup(disk_label);
1451 }
1452
1453 /* If this is an M3U file, attempt to set the
1454 * initial disk image */
1455 if (is_m3u &&
1456 (disk_initial_index > 0) &&
1457 (disk_initial_index < disk_count)) {
1458 const char *fname = disks[disk_initial_index].fname;
1459
1460 if (fname && (*fname != '\0'))
1461 if (strcmp(disk_initial_path, fname) == 0)
1462 cd_index = disk_initial_index;
1463 }
1464
1465 set_cd_image(disks[cd_index].fname);
1466 disk_current_index = cd_index;
1467
1468 /* have to reload after set_cd_image for correct cdr plugin */
1469 if (LoadPlugins() == -1) {
1470 log_cb(RETRO_LOG_INFO, "failed to load plugins\n");
1471 return false;
1472 }
1473
1474 plugins_opened = 1;
1475 NetOpened = 0;
1476
1477 if (OpenPlugins() == -1) {
1478 log_cb(RETRO_LOG_INFO, "failed to open plugins\n");
1479 return false;
1480 }
1481
1482 /* Handle multi-disk images (i.e. PBP)
1483 * > Cannot do this until after OpenPlugins() is
1484 * called (since this sets the value of
1485 * cdrIsoMultidiskCount) */
1486 if (!is_m3u && (cdrIsoMultidiskCount > 1)) {
1487 disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8;
1488
1489 /* Small annoyance: We need to change the label
1490 * of disk 0, so have to clear existing entries */
1491 if (disks[0].fname != NULL)
1492 free(disks[0].fname);
1493 disks[0].fname = NULL;
1494
1495 if (disks[0].flabel != NULL)
1496 free(disks[0].flabel);
1497 disks[0].flabel = NULL;
1498
1499 for (i = 0; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++) {
1500 char disk_name[PATH_MAX];
1501 char disk_label[PATH_MAX];
1502 disk_name[0] = '\0';
1503 disk_label[0] = '\0';
1504
1505 disks[i].fname = strdup(info->path);
1506
1507 get_disk_label(disk_name, info->path, PATH_MAX);
1508 snprintf(disk_label, sizeof(disk_label), "%s #%u", disk_name, (unsigned)i + 1);
1509 disks[i].flabel = strdup(disk_label);
1510
1511 disks[i].internal_index = i;
1512 }
1513
1514 /* This is not an M3U file, so initial disk
1515 * image has not yet been set - attempt to
1516 * do so now */
1517 if ((disk_initial_index > 0) &&
1518 (disk_initial_index < disk_count)) {
1519 const char *fname = disks[disk_initial_index].fname;
1520
1521 if (fname && (*fname != '\0'))
1522 if (strcmp(disk_initial_path, fname) == 0)
1523 cd_index = disk_initial_index;
1524 }
1525
1526 if (cd_index > 0) {
1527 CdromId[0] = '\0';
1528 CdromLabel[0] = '\0';
1529
1530 cdrIsoMultidiskSelect = disks[cd_index].internal_index;
1531 disk_current_index = cd_index;
1532 set_cd_image(disks[cd_index].fname);
1533
1534 if (ReloadCdromPlugin() < 0) {
1535 log_cb(RETRO_LOG_INFO, "failed to reload cdr plugins\n");
1536 return false;
1537 }
1538 if (CDR_open() < 0) {
1539 log_cb(RETRO_LOG_INFO, "failed to open cdr plugin\n");
1540 return false;
1541 }
1542 }
1543 }
1544
1545 plugin_call_rearmed_cbs();
1546 dfinput_activate();
1547
1548 if (CheckCdrom() == -1) {
1549 log_cb(RETRO_LOG_INFO, "unsupported/invalid CD image: %s\n", info->path);
1550 return false;
1551 }
1552
1553 SysReset();
1554
1555 if (LoadCdrom() == -1) {
1556 log_cb(RETRO_LOG_INFO, "could not load CD\n");
1557 return false;
1558 }
1559 emu_on_new_cd(0);
1560
1561 set_retro_memmap();
1562
1563 return true;
1564}
1565
1566unsigned retro_get_region(void)
1567{
1568 return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
1569}
1570
1571void *retro_get_memory_data(unsigned id)
1572{
1573 if (id == RETRO_MEMORY_SAVE_RAM)
1574 return Mcd1Data;
1575 else if (id == RETRO_MEMORY_SYSTEM_RAM)
1576 return psxM;
1577 else
1578 return NULL;
1579}
1580
1581size_t retro_get_memory_size(unsigned id)
1582{
1583 if (id == RETRO_MEMORY_SAVE_RAM)
1584 return MCD_SIZE;
1585 else if (id == RETRO_MEMORY_SYSTEM_RAM)
1586 return 0x200000;
1587 else
1588 return 0;
1589}
1590
1591void retro_reset(void)
1592{
1593 //hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
1594 rebootemu = 1;
1595 //SysReset();
1596}
1597
1598static const unsigned short retro_psx_map[] = {
1599 [RETRO_DEVICE_ID_JOYPAD_B] = 1 << DKEY_CROSS,
1600 [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << DKEY_SQUARE,
1601 [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT,
1602 [RETRO_DEVICE_ID_JOYPAD_START] = 1 << DKEY_START,
1603 [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << DKEY_UP,
1604 [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << DKEY_DOWN,
1605 [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << DKEY_LEFT,
1606 [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << DKEY_RIGHT,
1607 [RETRO_DEVICE_ID_JOYPAD_A] = 1 << DKEY_CIRCLE,
1608 [RETRO_DEVICE_ID_JOYPAD_X] = 1 << DKEY_TRIANGLE,
1609 [RETRO_DEVICE_ID_JOYPAD_L] = 1 << DKEY_L1,
1610 [RETRO_DEVICE_ID_JOYPAD_R] = 1 << DKEY_R1,
1611 [RETRO_DEVICE_ID_JOYPAD_L2] = 1 << DKEY_L2,
1612 [RETRO_DEVICE_ID_JOYPAD_R2] = 1 << DKEY_R2,
1613 [RETRO_DEVICE_ID_JOYPAD_L3] = 1 << DKEY_L3,
1614 [RETRO_DEVICE_ID_JOYPAD_R3] = 1 << DKEY_R3,
1615};
1616#define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
1617
1618//Percentage distance of screen to adjust
1619static int GunconAdjustX = 0;
1620static int GunconAdjustY = 0;
1621
1622//Used when out by a percentage
1623static float GunconAdjustRatioX = 1;
1624static float GunconAdjustRatioY = 1;
1625
1626static void update_variables(bool in_flight)
1627{
1628 struct retro_variable var;
1629 int i;
1630#ifdef GPU_PEOPS
1631 int gpu_peops_fix = 0;
1632#endif
1633
1634 var.value = NULL;
1635 var.key = "pcsx_rearmed_frameskip";
1636 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1637 pl_rearmed_cbs.frameskip = atoi(var.value);
1638
1639 var.value = NULL;
1640 var.key = "pcsx_rearmed_region";
1641 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1642 {
1643 Config.PsxAuto = 0;
1644 if (strcmp(var.value, "auto") == 0)
1645 Config.PsxAuto = 1;
1646 else if (strcmp(var.value, "NTSC") == 0)
1647 Config.PsxType = 0;
1648 else if (strcmp(var.value, "PAL") == 0)
1649 Config.PsxType = 1;
1650 }
1651
1652 for (i = 0; i < PORTS_NUMBER; i++)
1653 update_controller_port_variable(i);
1654
1655 update_multitap();
1656
1657 var.value = NULL;
1658 var.key = "pcsx_rearmed_negcon_deadzone";
1659 negcon_deadzone = 0;
1660 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1661 {
1662 negcon_deadzone = (int)(atoi(var.value) * 0.01f * NEGCON_RANGE);
1663 }
1664
1665 var.value = NULL;
1666 var.key = "pcsx_rearmed_negcon_response";
1667 negcon_linearity = 1;
1668 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1669 {
1670 if (strcmp(var.value, "quadratic") == 0){
1671 negcon_linearity = 2;
1672 } else if (strcmp(var.value, "cubic") == 0){
1673 negcon_linearity = 3;
1674 }
1675 }
1676
1677 var.value = NULL;
1678 var.key = "pcsx_rearmed_analog_axis_modifier";
1679 axis_bounds_modifier = true;
1680 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1681 {
1682 if (strcmp(var.value, "square") == 0) {
1683 axis_bounds_modifier = true;
1684 } else if (strcmp(var.value, "circle") == 0) {
1685 axis_bounds_modifier = false;
1686 }
1687 }
1688
1689 var.value = NULL;
1690 var.key = "pcsx_rearmed_vibration";
1691
1692 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1693 {
1694 if (strcmp(var.value, "disabled") == 0)
1695 in_enable_vibration = 0;
1696 else if (strcmp(var.value, "enabled") == 0)
1697 in_enable_vibration = 1;
1698 }
1699
1700 var.value = NULL;
1701 var.key = "pcsx_rearmed_dithering";
1702
1703 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1704 {
1705 if (strcmp(var.value, "disabled") == 0) {
1706 pl_rearmed_cbs.gpu_peops.iUseDither = 0;
1707 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 0;
1708 pl_rearmed_cbs.gpu_unai.dithering = 0;
1709#ifdef __ARM_NEON__
1710 pl_rearmed_cbs.gpu_neon.allow_dithering = 0;
1711#endif
1712 }
1713 else if (strcmp(var.value, "enabled") == 0) {
1714 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
1715 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 1;
1716 pl_rearmed_cbs.gpu_unai.dithering = 1;
1717#ifdef __ARM_NEON__
1718 pl_rearmed_cbs.gpu_neon.allow_dithering = 1;
1719#endif
1720 }
1721 }
1722
1723#ifdef GPU_NEON
1724 var.value = NULL;
1725 var.key = "pcsx_rearmed_neon_interlace_enable";
1726
1727 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1728 {
1729 if (strcmp(var.value, "disabled") == 0)
1730 pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
1731 else if (strcmp(var.value, "enabled") == 0)
1732 pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
1733 }
1734
1735 var.value = NULL;
1736 var.key = "pcsx_rearmed_neon_enhancement_enable";
1737
1738 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1739 {
1740 if (strcmp(var.value, "disabled") == 0)
1741 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
1742 else if (strcmp(var.value, "enabled") == 0)
1743 pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
1744 }
1745
1746 var.value = NULL;
1747 var.key = "pcsx_rearmed_neon_enhancement_no_main";
1748
1749 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1750 {
1751 if (strcmp(var.value, "disabled") == 0)
1752 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
1753 else if (strcmp(var.value, "enabled") == 0)
1754 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1;
1755 }
1756#endif
1757
1758 var.value = NULL;
1759 var.key = "pcsx_rearmed_duping_enable";
1760
1761 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1762 {
1763 if (strcmp(var.value, "disabled") == 0)
1764 duping_enable = false;
1765 else if (strcmp(var.value, "enabled") == 0)
1766 duping_enable = true;
1767 }
1768
1769 var.value = NULL;
1770 var.key = "pcsx_rearmed_display_internal_fps";
1771
1772 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1773 {
1774 if (strcmp(var.value, "disabled") == 0)
1775 display_internal_fps = false;
1776 else if (strcmp(var.value, "enabled") == 0)
1777 display_internal_fps = true;
1778 }
1779
1780#if defined(LIGHTREC) || defined(NEW_DYNAREC)
1781 var.value = NULL;
1782 var.key = "pcsx_rearmed_drc";
1783
1784 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1785 {
1786 R3000Acpu *prev_cpu = psxCpu;
1787#if defined(LIGHTREC)
1788 bool can_use_dynarec = found_bios;
1789#else
1790 bool can_use_dynarec = 1;
1791#endif
1792
1793#ifdef _3DS
1794 if(!__ctr_svchax)
1795 Config.Cpu = CPU_INTERPRETER;
1796 else
1797#endif
1798 if (strcmp(var.value, "disabled") == 0 || !can_use_dynarec)
1799 Config.Cpu = CPU_INTERPRETER;
1800 else if (strcmp(var.value, "enabled") == 0)
1801 Config.Cpu = CPU_DYNAREC;
1802
1803 psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
1804 if (psxCpu != prev_cpu) {
1805 prev_cpu->Shutdown();
1806 psxCpu->Init();
1807 psxCpu->Reset(); // not really a reset..
1808 }
1809 }
1810#endif /* LIGHTREC || NEW_DYNAREC */
1811
1812 var.value = NULL;
1813 var.key = "pcsx_rearmed_spu_reverb";
1814
1815 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1816 {
1817 if (strcmp(var.value, "disabled") == 0)
1818 spu_config.iUseReverb = false;
1819 else if (strcmp(var.value, "enabled") == 0)
1820 spu_config.iUseReverb = true;
1821 }
1822
1823 var.value = NULL;
1824 var.key = "pcsx_rearmed_spu_interpolation";
1825
1826 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1827 {
1828 if (strcmp(var.value, "simple") == 0)
1829 spu_config.iUseInterpolation = 1;
1830 else if (strcmp(var.value, "gaussian") == 0)
1831 spu_config.iUseInterpolation = 2;
1832 else if (strcmp(var.value, "cubic") == 0)
1833 spu_config.iUseInterpolation = 3;
1834 else if (strcmp(var.value, "off") == 0)
1835 spu_config.iUseInterpolation = 0;
1836 }
1837
1838 var.value = NULL;
1839 var.key = "pcsx_rearmed_pe2_fix";
1840
1841 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1842 {
1843 if (strcmp(var.value, "disabled") == 0)
1844 Config.RCntFix = 0;
1845 else if (strcmp(var.value, "enabled") == 0)
1846 Config.RCntFix = 1;
1847 }
1848
1849 var.value = NULL;
1850 var.key = "pcsx_rearmed_idiablofix";
1851
1852 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1853 {
1854 if (strcmp(var.value, "disabled") == 0)
1855 spu_config.idiablofix = 0;
1856 else if (strcmp(var.value, "enabled") == 0)
1857 spu_config.idiablofix = 1;
1858 }
1859
1860 var.value = NULL;
1861 var.key = "pcsx_rearmed_inuyasha_fix";
1862
1863 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1864 {
1865 if (strcmp(var.value, "disabled") == 0)
1866 Config.VSyncWA = 0;
1867 else if (strcmp(var.value, "enabled") == 0)
1868 Config.VSyncWA = 1;
1869 }
1870
1871#ifndef _WIN32
1872 var.value = NULL;
1873 var.key = "pcsx_rearmed_async_cd";
1874 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1875 {
1876 if (strcmp(var.value, "async") == 0)
1877 Config.AsyncCD = 1;
1878 else
1879 Config.AsyncCD = 0;
1880 }
1881#endif
1882
1883 var.value = NULL;
1884 var.key = "pcsx_rearmed_noxadecoding";
1885 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1886 {
1887 if (strcmp(var.value, "disabled") == 0)
1888 Config.Xa = 1;
1889 else
1890 Config.Xa = 0;
1891 }
1892
1893 var.value = NULL;
1894 var.key = "pcsx_rearmed_nocdaudio";
1895 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1896 {
1897 if (strcmp(var.value, "disabled") == 0)
1898 Config.Cdda = 1;
1899 else
1900 Config.Cdda = 0;
1901 }
1902
1903 var.value = NULL;
1904 var.key = "pcsx_rearmed_spuirq";
1905 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1906 {
1907 if (strcmp(var.value, "disabled") == 0)
1908 Config.SpuIrq = 0;
1909 else
1910 Config.SpuIrq = 1;
1911 }
1912
1913#ifdef NEW_DYNAREC
1914 var.value = NULL;
1915 var.key = "pcsx_rearmed_nosmccheck";
1916 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1917 {
1918 if (strcmp(var.value, "enabled") == 0)
1919 new_dynarec_hacks |= NDHACK_NO_SMC_CHECK;
1920 else
1921 new_dynarec_hacks &= ~NDHACK_NO_SMC_CHECK;
1922 }
1923
1924 var.value = NULL;
1925 var.key = "pcsx_rearmed_gteregsunneeded";
1926 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1927 {
1928 if (strcmp(var.value, "enabled") == 0)
1929 new_dynarec_hacks |= NDHACK_GTE_UNNEEDED;
1930 else
1931 new_dynarec_hacks &= ~NDHACK_GTE_UNNEEDED;
1932 }
1933
1934 var.value = NULL;
1935 var.key = "pcsx_rearmed_nogteflags";
1936 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1937 {
1938 if (strcmp(var.value, "enabled") == 0)
1939 new_dynarec_hacks |= NDHACK_GTE_NO_FLAGS;
1940 else
1941 new_dynarec_hacks &= ~NDHACK_GTE_NO_FLAGS;
1942 }
1943#endif /* NEW_DYNAREC */
1944
1945#ifdef GPU_PEOPS
1946 var.value = NULL;
1947 var.key = "pcsx_rearmed_gpu_peops_odd_even_bit";
1948
1949 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1950 {
1951 if (strcmp(var.value, "enabled") == 0)
1952 gpu_peops_fix |= GPU_PEOPS_ODD_EVEN_BIT;
1953 }
1954
1955 var.value = NULL;
1956 var.key = "pcsx_rearmed_gpu_peops_expand_screen_width";
1957
1958 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1959 {
1960 if (strcmp(var.value, "enabled") == 0)
1961 gpu_peops_fix |= GPU_PEOPS_EXPAND_SCREEN_WIDTH;
1962 }
1963
1964 var.value = NULL;
1965 var.key = "pcsx_rearmed_gpu_peops_ignore_brightness";
1966
1967 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1968 {
1969 if (strcmp(var.value, "enabled") == 0)
1970 gpu_peops_fix |= GPU_PEOPS_IGNORE_BRIGHTNESS;
1971 }
1972
1973 var.value = NULL;
1974 var.key = "pcsx_rearmed_gpu_peops_disable_coord_check";
1975
1976 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1977 {
1978 if (strcmp(var.value, "enabled") == 0)
1979 gpu_peops_fix |= GPU_PEOPS_DISABLE_COORD_CHECK;
1980 }
1981
1982 var.value = NULL;
1983 var.key = "pcsx_rearmed_gpu_peops_lazy_screen_update";
1984
1985 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1986 {
1987 if (strcmp(var.value, "enabled") == 0)
1988 gpu_peops_fix |= GPU_PEOPS_LAZY_SCREEN_UPDATE;
1989 }
1990
1991 var.value = NULL;
1992 var.key = "pcsx_rearmed_gpu_peops_old_frame_skip";
1993
1994 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1995 {
1996 if (strcmp(var.value, "enabled") == 0)
1997 gpu_peops_fix |= GPU_PEOPS_OLD_FRAME_SKIP;
1998 }
1999
2000 var.value = NULL;
2001 var.key = "pcsx_rearmed_gpu_peops_repeated_triangles";
2002
2003 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2004 {
2005 if (strcmp(var.value, "enabled") == 0)
2006 gpu_peops_fix |= GPU_PEOPS_REPEATED_TRIANGLES;
2007 }
2008
2009 var.value = NULL;
2010 var.key = "pcsx_rearmed_gpu_peops_quads_with_triangles";
2011
2012 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2013 {
2014 if (strcmp(var.value, "enabled") == 0)
2015 gpu_peops_fix |= GPU_PEOPS_QUADS_WITH_TRIANGLES;
2016 }
2017
2018 var.value = NULL;
2019 var.key = "pcsx_rearmed_gpu_peops_fake_busy_state";
2020
2021 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2022 {
2023 if (strcmp(var.value, "enabled") == 0)
2024 gpu_peops_fix |= GPU_PEOPS_FAKE_BUSY_STATE;
2025 }
2026
2027 if (pl_rearmed_cbs.gpu_peops.dwActFixes != gpu_peops_fix)
2028 pl_rearmed_cbs.gpu_peops.dwActFixes = gpu_peops_fix;
2029
2030
2031 /* Show/hide core options */
2032
2033 var.key = "pcsx_rearmed_show_gpu_peops_settings";
2034 var.value = NULL;
2035
2036 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2037 {
2038 int show_advanced_gpu_peops_settings_prev = show_advanced_gpu_peops_settings;
2039
2040 show_advanced_gpu_peops_settings = 1;
2041 if (strcmp(var.value, "disabled") == 0)
2042 show_advanced_gpu_peops_settings = 0;
2043
2044 if (show_advanced_gpu_peops_settings != show_advanced_gpu_peops_settings_prev)
2045 {
2046 unsigned i;
2047 struct retro_core_option_display option_display;
2048 char gpu_peops_option[9][45] = {
2049 "pcsx_rearmed_gpu_peops_odd_even_bit",
2050 "pcsx_rearmed_gpu_peops_expand_screen_width",
2051 "pcsx_rearmed_gpu_peops_ignore_brightness",
2052 "pcsx_rearmed_gpu_peops_disable_coord_check",
2053 "pcsx_rearmed_gpu_peops_lazy_screen_update",
2054 "pcsx_rearmed_gpu_peops_old_frame_skip",
2055 "pcsx_rearmed_gpu_peops_repeated_triangles",
2056 "pcsx_rearmed_gpu_peops_quads_with_triangles",
2057 "pcsx_rearmed_gpu_peops_fake_busy_state",
2058 };
2059
2060 option_display.visible = show_advanced_gpu_peops_settings;
2061
2062 for (i = 0; i < 9; i++)
2063 {
2064 option_display.key = gpu_peops_option[i];
2065 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY, &option_display);
2066 }
2067 }
2068 }
2069#endif
2070
2071#ifdef GPU_UNAI
2072 var.key = "pcsx_rearmed_gpu_unai_ilace_force";
2073 var.value = NULL;
2074
2075 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2076 {
2077 if (strcmp(var.value, "disabled") == 0)
2078 pl_rearmed_cbs.gpu_unai.ilace_force = 0;
2079 else if (strcmp(var.value, "enabled") == 0)
2080 pl_rearmed_cbs.gpu_unai.ilace_force = 1;
2081 }
2082
2083 var.key = "pcsx_rearmed_gpu_unai_pixel_skip";
2084 var.value = NULL;
2085
2086 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2087 {
2088 if (strcmp(var.value, "disabled") == 0)
2089 pl_rearmed_cbs.gpu_unai.pixel_skip = 0;
2090 else if (strcmp(var.value, "enabled") == 0)
2091 pl_rearmed_cbs.gpu_unai.pixel_skip = 1;
2092 }
2093
2094 var.key = "pcsx_rearmed_gpu_unai_lighting";
2095 var.value = NULL;
2096
2097 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2098 {
2099 if (strcmp(var.value, "disabled") == 0)
2100 pl_rearmed_cbs.gpu_unai.lighting = 0;
2101 else if (strcmp(var.value, "enabled") == 0)
2102 pl_rearmed_cbs.gpu_unai.lighting = 1;
2103 }
2104
2105 var.key = "pcsx_rearmed_gpu_unai_fast_lighting";
2106 var.value = NULL;
2107
2108 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2109 {
2110 if (strcmp(var.value, "disabled") == 0)
2111 pl_rearmed_cbs.gpu_unai.fast_lighting = 0;
2112 else if (strcmp(var.value, "enabled") == 0)
2113 pl_rearmed_cbs.gpu_unai.fast_lighting = 1;
2114 }
2115
2116 var.key = "pcsx_rearmed_gpu_unai_blending";
2117 var.value = NULL;
2118
2119 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2120 {
2121 if (strcmp(var.value, "disabled") == 0)
2122 pl_rearmed_cbs.gpu_unai.blending = 0;
2123 else if (strcmp(var.value, "enabled") == 0)
2124 pl_rearmed_cbs.gpu_unai.blending = 1;
2125 }
2126
2127 var.key = "pcsx_rearmed_show_gpu_unai_settings";
2128 var.value = NULL;
2129
2130 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2131 {
2132 int show_advanced_gpu_unai_settings_prev = show_advanced_gpu_unai_settings;
2133
2134 show_advanced_gpu_unai_settings = 1;
2135 if (strcmp(var.value, "disabled") == 0)
2136 show_advanced_gpu_unai_settings = 0;
2137
2138 if (show_advanced_gpu_unai_settings != show_advanced_gpu_unai_settings_prev)
2139 {
2140 unsigned i;
2141 struct retro_core_option_display option_display;
2142 char gpu_unai_option[5][40] = {
2143 "pcsx_rearmed_gpu_unai_blending",
2144 "pcsx_rearmed_gpu_unai_lighting",
2145 "pcsx_rearmed_gpu_unai_fast_lighting",
2146 "pcsx_rearmed_gpu_unai_ilace_force",
2147 "pcsx_rearmed_gpu_unai_pixel_skip",
2148 };
2149
2150 option_display.visible = show_advanced_gpu_unai_settings;
2151
2152 for (i = 0; i < 5; i++)
2153 {
2154 option_display.key = gpu_unai_option[i];
2155 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY, &option_display);
2156 }
2157 }
2158 }
2159#endif // GPU_UNAI
2160
2161 //This adjustment process gives the user the ability to manually align the mouse up better
2162 //with where the shots are in the emulator.
2163
2164 var.value = NULL;
2165 var.key = "pcsx_rearmed_gunconadjustx";
2166
2167 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2168 {
2169 GunconAdjustX = atoi(var.value);
2170 }
2171
2172 var.value = NULL;
2173 var.key = "pcsx_rearmed_gunconadjusty";
2174
2175 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2176 {
2177 GunconAdjustY = atoi(var.value);
2178 }
2179
2180 var.value = NULL;
2181 var.key = "pcsx_rearmed_gunconadjustratiox";
2182
2183 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2184 {
2185 GunconAdjustRatioX = atof(var.value);
2186 }
2187
2188 var.value = NULL;
2189 var.key = "pcsx_rearmed_gunconadjustratioy";
2190
2191 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2192 {
2193 GunconAdjustRatioY = atof(var.value);
2194 }
2195
2196 if (in_flight) {
2197 // inform core things about possible config changes
2198 plugin_call_rearmed_cbs();
2199
2200 if (GPU_open != NULL && GPU_close != NULL) {
2201 GPU_close();
2202 GPU_open(&gpuDisp, "PCSX", NULL);
2203 }
2204
2205 dfinput_activate();
2206 }
2207 else
2208 {
2209 //not yet running
2210
2211 //bootlogo display hack
2212 if (found_bios) {
2213 var.value = NULL;
2214 var.key = "pcsx_rearmed_show_bios_bootlogo";
2215 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2216 {
2217 Config.SlowBoot = 0;
2218 rebootemu = 0;
2219 if (strcmp(var.value, "enabled") == 0)
2220 {
2221 Config.SlowBoot = 1;
2222 rebootemu = 1;
2223 }
2224 }
2225 }
2226
2227#ifdef NEW_DYNAREC
2228 var.value = NULL;
2229 var.key = "pcsx_rearmed_psxclock";
2230 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2231 {
2232 int psxclock = atoi(var.value);
2233 cycle_multiplier = 10000 / psxclock;
2234 }
2235#endif
2236 }
2237}
2238
2239// Taken from beetle-psx-libretro
2240static uint16_t get_analog_button(int16_t ret, retro_input_state_t input_state_cb, int player_index, int id)
2241{
2242 // NOTE: Analog buttons were added Nov 2017. Not all front-ends support this
2243 // feature (or pre-date it) so we need to handle this in a graceful way.
2244
2245 // First, try and get an analog value using the new libretro API constant
2246 uint16_t button = input_state_cb(player_index,
2247 RETRO_DEVICE_ANALOG,
2248 RETRO_DEVICE_INDEX_ANALOG_BUTTON,
2249 id);
2250 button = MIN(button / 128, 255);
2251
2252 if (button == 0)
2253 {
2254 // If we got exactly zero, we're either not pressing the button, or the front-end
2255 // is not reporting analog values. We need to do a second check using the classic
2256 // digital API method, to at least get some response - better than nothing.
2257
2258 // NOTE: If we're really just not holding the button, we're still going to get zero.
2259
2260 button = (ret & (1 << id)) ? 255 : 0;
2261 }
2262
2263 return button;
2264}
2265
2266unsigned char axis_range_modifier(int16_t axis_value, bool is_square) {
2267 float modifier_axis_range = 0;
2268
2269 if(is_square) {
2270 modifier_axis_range = round((axis_value >> 8) / 0.785) + 128;
2271 if(modifier_axis_range < 0) {
2272 modifier_axis_range = 0;
2273 } else if(modifier_axis_range > 255) {
2274 modifier_axis_range = 255;
2275 }
2276 } else {
2277 modifier_axis_range = MIN(((axis_value >> 8) + 128), 255);
2278 }
2279
2280 return modifier_axis_range;
2281}
2282
2283void retro_run(void)
2284{
2285 int i;
2286 //SysReset must be run while core is running,Not in menu (Locks up Retroarch)
2287 if (rebootemu != 0) {
2288 rebootemu = 0;
2289 SysReset();
2290 if (!Config.HLE && !Config.SlowBoot) {
2291 // skip BIOS logos
2292 psxRegs.pc = psxRegs.GPR.n.ra;
2293 }
2294 }
2295
2296 if (display_internal_fps) {
2297 frame_count++;
2298
2299 if (frame_count % INTERNAL_FPS_SAMPLE_PERIOD == 0) {
2300 unsigned internal_fps = pl_rearmed_cbs.flip_cnt * (is_pal_mode ? 50 : 60) / INTERNAL_FPS_SAMPLE_PERIOD;
2301 char str[64];
2302 const char *strc = (const char*)str;
2303 struct retro_message msg =
2304 {
2305 strc,
2306 180
2307 };
2308
2309 str[0] = '\0';
2310
2311 snprintf(str, sizeof(str), "Internal FPS: %2d", internal_fps);
2312
2313 pl_rearmed_cbs.flip_cnt = 0;
2314
2315 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, &msg);
2316 }
2317 }
2318 else
2319 frame_count = 0;
2320
2321 input_poll_cb();
2322
2323 bool updated = false;
2324 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
2325 update_variables(true);
2326
2327 // reset all keystate, query libretro for keystate
2328 int j;
2329 int lsx;
2330 int rsy;
2331 float negcon_twist_amplitude;
2332 int negcon_i_rs;
2333 int negcon_ii_rs;
2334 for(i = 0; i < PORTS_NUMBER; i++)
2335 {
2336 int16_t ret = 0;
2337 in_keystate[i] = 0;
2338
2339 if (in_type[i] == PSE_PAD_TYPE_NONE)
2340 continue;
2341
2342 if (libretro_supports_bitmasks)
2343 ret = input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_MASK);
2344 else
2345 {
2346 unsigned j;
2347 for (j = 0; j < (RETRO_DEVICE_ID_JOYPAD_R3+1); j++)
2348 {
2349 if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, j))
2350 ret |= (1 << j);
2351 }
2352 }
2353
2354 if (in_type[i] == PSE_PAD_TYPE_GUNCON)
2355 {
2356 //ToDo move across to:
2357 //RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X
2358 //RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y
2359 //RETRO_DEVICE_ID_LIGHTGUN_TRIGGER
2360 //RETRO_DEVICE_ID_LIGHTGUN_RELOAD
2361 //RETRO_DEVICE_ID_LIGHTGUN_AUX_A
2362 //RETRO_DEVICE_ID_LIGHTGUN_AUX_B
2363 //Though not sure these are hooked up properly on the Pi
2364
2365 //ToDo
2366 //Put the controller index back to i instead of hardcoding to 1 when the libretro overlay crash bug is fixed
2367 //This is required for 2 player
2368
2369 //GUNCON has 3 controls, Trigger,A,B which equal Circle,Start,Cross
2370
2371 // Trigger
2372 //The 1 is hardcoded instead of i to prevent the overlay mouse button libretro crash bug
2373 if (input_state_cb(1, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_LEFT)){
2374 in_keystate[i] |= (1 << DKEY_CIRCLE);
2375 }
2376
2377 // A
2378 if (input_state_cb(1, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_RIGHT)){
2379 in_keystate[i] |= (1 << DKEY_START);
2380 }
2381
2382 // B
2383 if (input_state_cb(1, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_MIDDLE)){
2384 in_keystate[i] |= (1 << DKEY_CROSS);
2385 }
2386
2387 //The 1 is hardcoded instead of i to prevent the overlay mouse button libretro crash bug
2388 int gunx = input_state_cb(1, RETRO_DEVICE_POINTER, 0, RETRO_DEVICE_ID_POINTER_X);
2389 int guny = input_state_cb(1, RETRO_DEVICE_POINTER, 0, RETRO_DEVICE_ID_POINTER_Y);
2390
2391 //Mouse range is -32767 -> 32767
2392 //1% is about 655
2393 //Use the left analog stick field to store the absolute coordinates
2394 in_analog_left[0][0] = (gunx*GunconAdjustRatioX) + (GunconAdjustX * 655);
2395 in_analog_left[0][1] = (guny*GunconAdjustRatioY) + (GunconAdjustY * 655);
2396 }
2397 if (in_type[i] == PSE_PAD_TYPE_NEGCON)
2398 {
2399 // Query digital inputs
2400 //
2401 // > Pad-Up
2402 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_UP))
2403 in_keystate[i] |= (1 << DKEY_UP);
2404 // > Pad-Right
2405 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_RIGHT))
2406 in_keystate[i] |= (1 << DKEY_RIGHT);
2407 // > Pad-Down
2408 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_DOWN))
2409 in_keystate[i] |= (1 << DKEY_DOWN);
2410 // > Pad-Left
2411 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_LEFT))
2412 in_keystate[i] |= (1 << DKEY_LEFT);
2413 // > Start
2414 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_START))
2415 in_keystate[i] |= (1 << DKEY_START);
2416 // > neGcon A
2417 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_A))
2418 in_keystate[i] |= (1 << DKEY_CIRCLE);
2419 // > neGcon B
2420 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_X))
2421 in_keystate[i] |= (1 << DKEY_TRIANGLE);
2422 // > neGcon R shoulder (digital)
2423 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_R))
2424 in_keystate[i] |= (1 << DKEY_R1);
2425 // Query analog inputs
2426 //
2427 // From studying 'libpcsxcore/plugins.c' and 'frontend/plugin.c':
2428 // >> pad->leftJoyX == in_analog_left[i][0] == NeGcon II
2429 // >> pad->leftJoyY == in_analog_left[i][1] == NeGcon L
2430 // >> pad->rightJoyX == in_analog_right[i][0] == NeGcon twist
2431 // >> pad->rightJoyY == in_analog_right[i][1] == NeGcon I
2432 // So we just have to map in_analog_left/right to more
2433 // appropriate inputs...
2434 //
2435 // > NeGcon twist
2436 // >> Get raw analog stick value and account for deadzone
2437 lsx = input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X);
2438 if (lsx > negcon_deadzone)
2439 lsx = lsx - negcon_deadzone;
2440 else if (lsx < -negcon_deadzone)
2441 lsx = lsx + negcon_deadzone;
2442 else
2443 lsx = 0;
2444 // >> Convert to an 'amplitude' [-1.0,1.0] and adjust response
2445 negcon_twist_amplitude = (float)lsx / (float)(NEGCON_RANGE - negcon_deadzone);
2446 if (negcon_linearity == 2)
2447 {
2448 if (negcon_twist_amplitude < 0.0)
2449 negcon_twist_amplitude = -(negcon_twist_amplitude * negcon_twist_amplitude);
2450 else
2451 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude;
2452 }
2453 else if (negcon_linearity == 3)
2454 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude * negcon_twist_amplitude;
2455 // >> Convert to final 'in_analog' integer value [0,255]
2456 in_analog_right[i][0] = MAX(MIN((int)(negcon_twist_amplitude * 128.0f) + 128, 255), 0);
2457 // > NeGcon I + II
2458 // >> Handle right analog stick vertical axis mapping...
2459 // - Up (-Y) == accelerate == neGcon I
2460 // - Down (+Y) == brake == neGcon II
2461 negcon_i_rs = 0;
2462 negcon_ii_rs = 0;
2463 rsy = input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y);
2464 if (rsy >= 0){
2465 // Account for deadzone
2466 // (Note: have never encountered a gamepad with significant differences
2467 // in deadzone between left/right analog sticks, so use the regular 'twist'
2468 // deadzone here)
2469 if (rsy > negcon_deadzone)
2470 rsy = rsy - negcon_deadzone;
2471 else
2472 rsy = 0;
2473 // Convert to 'in_analog' integer value [0,255]
2474 negcon_ii_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
2475 } else {
2476 if (rsy < -negcon_deadzone)
2477 rsy = -1 * (rsy + negcon_deadzone);
2478 else
2479 rsy = 0;
2480 negcon_i_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
2481 }
2482 // >> NeGcon I
2483 in_analog_right[i][1] = MAX(
2484 MAX(
2485 get_analog_button(ret, input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_R2),
2486 get_analog_button(ret, input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_B)
2487 ),
2488 negcon_i_rs
2489 );
2490 // >> NeGcon II
2491 in_analog_left[i][0] = MAX(
2492 MAX(
2493 get_analog_button(ret, input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_L2),
2494 get_analog_button(ret, input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_Y)
2495 ),
2496 negcon_ii_rs
2497 );
2498 // > NeGcon L
2499 in_analog_left[i][1] = get_analog_button(ret, input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_L);
2500 }
2501 if (in_type[i] != PSE_PAD_TYPE_NEGCON && in_type[i] != PSE_PAD_TYPE_GUNCON)
2502 {
2503 // Query digital inputs
2504 for (j = 0; j < RETRO_PSX_MAP_LEN; j++)
2505 if (ret & (1 << j))
2506 in_keystate[i] |= retro_psx_map[j];
2507
2508 // Query analog inputs
2509 if (in_type[i] == PSE_PAD_TYPE_ANALOGJOY || in_type[i] == PSE_PAD_TYPE_ANALOGPAD)
2510 {
2511 in_analog_left[i][0] = axis_range_modifier(input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X), axis_bounds_modifier);
2512 in_analog_left[i][1] = axis_range_modifier(input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y), axis_bounds_modifier);
2513 in_analog_right[i][0] = axis_range_modifier(input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X), axis_bounds_modifier);
2514 in_analog_right[i][1] = axis_range_modifier(input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y), axis_bounds_modifier);
2515 }
2516 }
2517 }
2518
2519 stop = 0;
2520 psxCpu->Execute();
2521
2522 video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf_ptr : NULL,
2523 vout_width, vout_height, vout_width * 2);
2524 vout_fb_dirty = 0;
2525
2526 set_vout_fb();
2527}
2528
2529static bool try_use_bios(const char *path)
2530{
2531 FILE *f;
2532 long size;
2533 const char *name;
2534
2535 f = fopen(path, "rb");
2536 if (f == NULL)
2537 return false;
2538
2539 fseek(f, 0, SEEK_END);
2540 size = ftell(f);
2541 fclose(f);
2542
2543 if (size != 512 * 1024)
2544 return false;
2545
2546 name = strrchr(path, SLASH);
2547 if (name++ == NULL)
2548 name = path;
2549 snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
2550 return true;
2551}
2552
2553#ifndef VITA
2554#include <sys/types.h>
2555#include <dirent.h>
2556
2557static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
2558{
2559 DIR *dir;
2560 struct dirent *ent;
2561 bool ret = false;
2562
2563 dir = opendir(dirpath);
2564 if (dir == NULL)
2565 return false;
2566
2567 while ((ent = readdir(dir))) {
2568 if ((strncasecmp(ent->d_name, "scph", 4) != 0) && (strncasecmp(ent->d_name, "psx", 3) != 0))
2569 continue;
2570
2571 snprintf(path, path_size, "%s%c%s", dirpath, SLASH, ent->d_name);
2572 ret = try_use_bios(path);
2573 if (ret)
2574 break;
2575 }
2576 closedir(dir);
2577 return ret;
2578}
2579#else
2580#define find_any_bios(...) false
2581#endif
2582
2583static void check_system_specs(void)
2584{
2585 unsigned level = 6;
2586 environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
2587}
2588
2589static int init_memcards(void)
2590{
2591 int ret = 0;
2592 const char *dir;
2593 struct retro_variable var = { .key="pcsx_rearmed_memcard2", .value=NULL };
2594 static const char CARD2_FILE[] = "pcsx-card2.mcd";
2595
2596 // Memcard2 will be handled and is re-enabled if needed using core
2597 // operations.
2598 // Memcard1 is handled by libretro, doing this will set core to
2599 // skip file io operations for memcard1 like SaveMcd
2600 snprintf(Config.Mcd1, sizeof(Config.Mcd1), "none");
2601 snprintf(Config.Mcd2, sizeof(Config.Mcd2), "none");
2602 init_memcard(Mcd1Data);
2603 // Memcard 2 is managed by the emulator on the filesystem,
2604 // There is no need to initialize Mcd2Data like Mcd1Data.
2605
2606 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
2607 SysPrintf("Memcard 2: %s\n", var.value);
2608 if (memcmp(var.value, "enabled", 7) == 0) {
2609 if (environ_cb(RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY, &dir) && dir) {
2610 if (strlen(dir) + strlen(CARD2_FILE) + 2 > sizeof(Config.Mcd2)) {
2611 SysPrintf("Path '%s' is too long. Cannot use memcard 2. Use a shorter path.\n", dir);
2612 ret = -1;
2613 } else {
2614 McdDisable[1] = 0;
2615 snprintf(Config.Mcd2, sizeof(Config.Mcd2), "%s/%s", dir, CARD2_FILE);
2616 SysPrintf("Use memcard 2: %s\n", Config.Mcd2);
2617 }
2618 } else {
2619 SysPrintf("Could not get save directory! Could not create memcard 2.");
2620 ret = -1;
2621 }
2622 }
2623 }
2624 return ret;
2625}
2626
2627static void loadPSXBios(void)
2628{
2629 const char *dir;
2630 char path[PATH_MAX];
2631 unsigned useHLE = 0;
2632
2633 const char *bios[] = {
2634 "PSXONPSP660", "psxonpsp660",
2635 "SCPH101", "scph101",
2636 "SCPH5501", "scph5501",
2637 "SCPH7001", "scph7001",
2638 "SCPH1001", "scph1001"
2639 };
2640
2641 struct retro_variable var = {
2642 .key = "pcsx_rearmed_bios",
2643 .value = NULL
2644 };
2645
2646 found_bios = 0;
2647
2648 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
2649 if (!strcmp(var.value, "HLE"))
2650 useHLE = 1;
2651 }
2652
2653 if (!useHLE)
2654 {
2655 if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
2656 {
2657 unsigned i;
2658 snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s", dir);
2659
2660 for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++) {
2661 snprintf(path, sizeof(path), "%s%c%s.bin", dir, SLASH, bios[i]);
2662 found_bios = try_use_bios(path);
2663 if (found_bios)
2664 break;
2665 }
2666
2667 if (!found_bios)
2668 found_bios = find_any_bios(dir, path, sizeof(path));
2669 }
2670 if (found_bios) {
2671 SysPrintf("found BIOS file: %s\n", Config.Bios);
2672 }
2673 }
2674
2675 if (useHLE || !found_bios)
2676 {
2677 SysPrintf("no BIOS files found.\n");
2678 struct retro_message msg =
2679 {
2680 "No PlayStation BIOS file found - add for better compatibility",
2681 180
2682 };
2683 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, (void*)&msg);
2684 }
2685}
2686
2687void retro_init(void)
2688{
2689 unsigned dci_version = 0;
2690 struct retro_rumble_interface rumble;
2691 int ret;
2692
2693#ifdef __MACH__
2694 // magic sauce to make the dynarec work on iOS
2695 syscall(SYS_ptrace, 0 /*PTRACE_TRACEME*/, 0, 0, 0);
2696#endif
2697
2698#ifdef _3DS
2699 psxMapHook = pl_3ds_mmap;
2700 psxUnmapHook = pl_3ds_munmap;
2701#endif
2702#ifdef VITA
2703 if(init_vita_mmap()<0)
2704 abort();
2705 psxMapHook = pl_vita_mmap;
2706 psxUnmapHook = pl_vita_munmap;
2707#endif
2708 ret = emu_core_preinit();
2709#ifdef _3DS
2710 /* emu_core_preinit sets the cpu to dynarec */
2711 if(!__ctr_svchax)
2712 Config.Cpu = CPU_INTERPRETER;
2713#endif
2714 ret |= init_memcards();
2715
2716 ret |= emu_core_init();
2717 if (ret != 0) {
2718 SysPrintf("PCSX init failed.\n");
2719 exit(1);
2720 }
2721
2722#ifdef _3DS
2723 vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
2724#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && !defined(VITA) && !defined(__SWITCH__)
2725 posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
2726#else
2727 vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
2728#endif
2729
2730 vout_buf_ptr = vout_buf;
2731
2732 loadPSXBios();
2733
2734 environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
2735
2736 disk_initial_index = 0;
2737 disk_initial_path[0] = '\0';
2738 if (environ_cb(RETRO_ENVIRONMENT_GET_DISK_CONTROL_INTERFACE_VERSION, &dci_version) && (dci_version >= 1))
2739 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_EXT_INTERFACE, &disk_control_ext);
2740 else
2741 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
2742
2743 rumble_cb = NULL;
2744 if (environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble))
2745 rumble_cb = rumble.set_rumble_state;
2746
2747 /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
2748 * we have to do this because cache misses and some IO penalties
2749 * are not emulated. Warning: changing this may break compatibility. */
2750 cycle_multiplier = 175;
2751#ifdef HAVE_PRE_ARMV7
2752 cycle_multiplier = 200;
2753#endif
2754 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
2755 pl_rearmed_cbs.gpu_peops.dwActFixes = GPU_PEOPS_OLD_FRAME_SKIP;
2756 spu_config.iUseFixedUpdates = 1;
2757
2758 SaveFuncs.open = save_open;
2759 SaveFuncs.read = save_read;
2760 SaveFuncs.write = save_write;
2761 SaveFuncs.seek = save_seek;
2762 SaveFuncs.close = save_close;
2763
2764 if (environ_cb(RETRO_ENVIRONMENT_GET_INPUT_BITMASKS, NULL))
2765 libretro_supports_bitmasks = true;
2766
2767 check_system_specs();
2768}
2769
2770void retro_deinit(void)
2771{
2772 if (plugins_opened) {
2773 ClosePlugins();
2774 plugins_opened = 0;
2775 }
2776 SysClose();
2777#ifdef _3DS
2778 linearFree(vout_buf);
2779#else
2780 free(vout_buf);
2781#endif
2782 vout_buf = NULL;
2783
2784#ifdef VITA
2785 deinit_vita_mmap();
2786#endif
2787 libretro_supports_bitmasks = false;
2788
2789 /* Have to reset disks struct, otherwise
2790 * fnames/flabels will leak memory */
2791 disk_init();
2792}
2793
2794#ifdef VITA
2795#include <psp2/kernel/threadmgr.h>
2796int usleep (unsigned long us)
2797{
2798 sceKernelDelayThread(us);
2799}
2800#endif
2801
2802void SysPrintf(const char *fmt, ...) {
2803 va_list list;
2804 char msg[512];
2805
2806 va_start(list, fmt);
2807 vsprintf(msg, fmt, list);
2808 va_end(list);
2809
2810 if (log_cb)
2811 log_cb(RETRO_LOG_INFO, "%s", msg);
2812}
ARM optimized PCSX fork