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