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