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Merge pull request #360 from negativeExponent/spu_irq
[pcsx_rearmed.git] / frontend / libretro.c
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1/*
2 * (C) notaz, 2012,2014,2015
3 *
4 * This work is licensed under the terms of the GNU GPLv2 or later.
5 * See the COPYING file in the top-level directory.
6 */
7
8#define _GNU_SOURCE 1 // strcasestr
9#include <stdio.h>
10#include <stdlib.h>
11#include <string.h>
12#include <strings.h>
13#ifdef __MACH__
14#include <unistd.h>
15#include <sys/syscall.h>
16#endif
17
18#include "../libpcsxcore/misc.h"
19#include "../libpcsxcore/psxcounters.h"
20#include "../libpcsxcore/psxmem_map.h"
21#include "../libpcsxcore/new_dynarec/new_dynarec.h"
22#include "../libpcsxcore/cdrom.h"
23#include "../libpcsxcore/cdriso.h"
24#include "../libpcsxcore/cheat.h"
25#include "../libpcsxcore/r3000a.h"
26#include "../plugins/dfsound/out.h"
27#include "../plugins/dfsound/spu_config.h"
28#include "../plugins/dfinput/externals.h"
29#include "cspace.h"
30#include "main.h"
31#include "menu.h"
32#include "plugin.h"
33#include "plugin_lib.h"
34#include "arm_features.h"
35#include "revision.h"
36
37#include <libretro.h>
38#include "libretro_core_options.h"
39
40#ifdef _3DS
41#include "3ds/3ds_utils.h"
42#endif
43
44#define PORTS_NUMBER 8
45
46#ifndef MIN
47#define MIN(a, b) ((a) < (b) ? (a) : (b))
48#endif
49
50#ifndef MAX
51#define MAX(a, b) ((a) > (b) ? (a) : (b))
52#endif
53
54#define ISHEXDEC ((buf[cursor]>='0') && (buf[cursor]<='9')) || ((buf[cursor]>='a') && (buf[cursor]<='f')) || ((buf[cursor]>='A') && (buf[cursor]<='F'))
55
56#define INTERNAL_FPS_SAMPLE_PERIOD 64
57
58//hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
59static int rebootemu = 0;
60
61static retro_video_refresh_t video_cb;
62static retro_input_poll_t input_poll_cb;
63static retro_input_state_t input_state_cb;
64static retro_environment_t environ_cb;
65static retro_audio_sample_batch_t audio_batch_cb;
66static retro_set_rumble_state_t rumble_cb;
67static struct retro_log_callback logging;
68static retro_log_printf_t log_cb;
69
70static void *vout_buf;
71static void * vout_buf_ptr;
72static int vout_width, vout_height;
73static int vout_doffs_old, vout_fb_dirty;
74static bool vout_can_dupe;
75static bool duping_enable;
76static bool found_bios;
77static bool display_internal_fps = false;
78static unsigned frame_count = 0;
79static bool libretro_supports_bitmasks = false;
80static int show_advanced_gpu_peops_settings = -1;
81static int show_advanced_gpu_unai_settings = -1;
82
83static unsigned previous_width = 0;
84static unsigned previous_height = 0;
85
86static int plugins_opened;
87static int is_pal_mode;
88
89/* memory card data */
90extern char Mcd1Data[MCD_SIZE];
91extern char Mcd2Data[MCD_SIZE];
92extern char McdDisable[2];
93
94/* PCSX ReARMed core calls and stuff */
95int in_type[8] = { PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
96 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
97 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
98 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE };
99int in_analog_left[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
100int in_analog_right[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
101unsigned short in_keystate[PORTS_NUMBER];
102int multitap1 = 0;
103int multitap2 = 0;
104int in_enable_vibration = 1;
105
106// NegCon adjustment parameters
107// > The NegCon 'twist' action is somewhat awkward when mapped
108// to a standard analog stick -> user should be able to tweak
109// response/deadzone for comfort
110// > When response is linear, 'additional' deadzone (set here)
111// may be left at zero, since this is normally handled via in-game
112// options menus
113// > When response is non-linear, deadzone should be set to match the
114// controller being used (otherwise precision may be lost)
115// > negcon_linearity:
116// - 1: Response is linear - recommended when using racing wheel
117// peripherals, not recommended for standard gamepads
118// - 2: Response is quadratic - optimal setting for gamepads
119// - 3: Response is cubic - enables precise fine control, but
120// difficult to use...
121#define NEGCON_RANGE 0x7FFF
122static int negcon_deadzone = 0;
123static int negcon_linearity = 1;
124
125/* PSX max resolution is 640x512, but with enhancement it's 1024x512 */
126#define VOUT_MAX_WIDTH 1024
127#define VOUT_MAX_HEIGHT 512
128
129//Dummy functions
130bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info){return false;}
131void retro_unload_game(void){}
132static int vout_open(void){return 0;}
133static void vout_close(void){}
134static int snd_init(void){return 0;}
135static void snd_finish(void){}
136static int snd_busy(void){return 0;}
137
138#define GPU_PEOPS_ODD_EVEN_BIT (1 << 0)
139#define GPU_PEOPS_EXPAND_SCREEN_WIDTH (1 << 1)
140#define GPU_PEOPS_IGNORE_BRIGHTNESS (1 << 2)
141#define GPU_PEOPS_DISABLE_COORD_CHECK (1 << 3)
142#define GPU_PEOPS_LAZY_SCREEN_UPDATE (1 << 6)
143#define GPU_PEOPS_OLD_FRAME_SKIP (1 << 7)
144#define GPU_PEOPS_REPEATED_TRIANGLES (1 << 8)
145#define GPU_PEOPS_QUADS_WITH_TRIANGLES (1 << 9)
146#define GPU_PEOPS_FAKE_BUSY_STATE (1 << 10)
147
148static void init_memcard(char *mcd_data)
149{
150 unsigned off = 0;
151 unsigned i;
152
153 memset(mcd_data, 0, MCD_SIZE);
154
155 mcd_data[off++] = 'M';
156 mcd_data[off++] = 'C';
157 off += 0x7d;
158 mcd_data[off++] = 0x0e;
159
160 for (i = 0; i < 15; i++) {
161 mcd_data[off++] = 0xa0;
162 off += 0x07;
163 mcd_data[off++] = 0xff;
164 mcd_data[off++] = 0xff;
165 off += 0x75;
166 mcd_data[off++] = 0xa0;
167 }
168
169 for (i = 0; i < 20; i++) {
170 mcd_data[off++] = 0xff;
171 mcd_data[off++] = 0xff;
172 mcd_data[off++] = 0xff;
173 mcd_data[off++] = 0xff;
174 off += 0x04;
175 mcd_data[off++] = 0xff;
176 mcd_data[off++] = 0xff;
177 off += 0x76;
178 }
179}
180
181static void set_vout_fb()
182{
183 struct retro_framebuffer fb = {0};
184
185 fb.width = vout_width;
186 fb.height = vout_height;
187 fb.access_flags = RETRO_MEMORY_ACCESS_WRITE;
188
189 if (environ_cb(RETRO_ENVIRONMENT_GET_CURRENT_SOFTWARE_FRAMEBUFFER, &fb) && fb.format == RETRO_PIXEL_FORMAT_RGB565)
190 vout_buf_ptr = (uint16_t*)fb.data;
191 else
192 vout_buf_ptr = vout_buf;
193}
194
195static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
196{
197 vout_width = w;
198 vout_height = h;
199
200 if (previous_width != vout_width || previous_height != vout_height)
201 {
202 previous_width = vout_width;
203 previous_height = vout_height;
204
205 struct retro_system_av_info info;
206 retro_get_system_av_info(&info);
207 environ_cb(RETRO_ENVIRONMENT_SET_GEOMETRY, &info.geometry);
208 }
209
210 set_vout_fb();
211}
212
213#ifndef FRONTEND_SUPPORTS_RGB565
214static void convert(void *buf, size_t bytes)
215{
216 unsigned int i, v, *p = buf;
217
218 for (i = 0; i < bytes / 4; i++) {
219 v = p[i];
220 p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0);
221 }
222}
223#endif
224
225static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
226{
227 unsigned short *dest = vout_buf_ptr;
228 const unsigned short *src = vram;
229 int dstride = vout_width, h1 = h;
230 int doffs;
231
232 if (vram == NULL) {
233 // blanking
234 memset(vout_buf_ptr, 0, dstride * h * 2);
235 goto out;
236 }
237
238 doffs = (vout_height - h) * dstride;
239 doffs += (dstride - w) / 2 & ~1;
240 if (doffs != vout_doffs_old) {
241 // clear borders
242 memset(vout_buf_ptr, 0, dstride * h * 2);
243 vout_doffs_old = doffs;
244 }
245 dest += doffs;
246
247 if (bgr24)
248 {
249 // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here?
250 for (; h1-- > 0; dest += dstride, src += stride)
251 {
252 bgr888_to_rgb565(dest, src, w * 3);
253 }
254 }
255 else
256 {
257 for (; h1-- > 0; dest += dstride, src += stride)
258 {
259 bgr555_to_rgb565(dest, src, w * 2);
260 }
261 }
262
263out:
264#ifndef FRONTEND_SUPPORTS_RGB565
265 convert(vout_buf_ptr, vout_width * vout_height * 2);
266#endif
267 vout_fb_dirty = 1;
268 pl_rearmed_cbs.flip_cnt++;
269}
270
271#ifdef _3DS
272typedef struct
273{
274 void* buffer;
275 uint32_t target_map;
276 size_t size;
277 enum psxMapTag tag;
278}psx_map_t;
279
280psx_map_t custom_psx_maps[] = {
281 {NULL, 0x13000000, 0x210000, MAP_TAG_RAM}, // 0x80000000
282 {NULL, 0x12800000, 0x010000, MAP_TAG_OTHER}, // 0x1f800000
283 {NULL, 0x12c00000, 0x080000, MAP_TAG_OTHER}, // 0x1fc00000
284 {NULL, 0x11000000, 0x800000, MAP_TAG_LUTS}, // 0x08000000
285 {NULL, 0x12000000, 0x200000, MAP_TAG_VRAM}, // 0x00000000
286};
287
288void* pl_3ds_mmap(unsigned long addr, size_t size, int is_fixed,
289 enum psxMapTag tag)
290{
291 (void)is_fixed;
292 (void)addr;
293
294 if (__ctr_svchax)
295 {
296 psx_map_t* custom_map = custom_psx_maps;
297
298 for (; custom_map->size; custom_map++)
299 {
300 if ((custom_map->size == size) && (custom_map->tag == tag))
301 {
302 uint32_t ptr_aligned, tmp;
303
304 custom_map->buffer = malloc(size + 0x1000);
305 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
306
307 if(svcControlMemory(&tmp, (void*)custom_map->target_map, (void*)ptr_aligned, size, MEMOP_MAP, 0x3) < 0)
308 {
309 SysPrintf("could not map memory @0x%08X\n", custom_map->target_map);
310 exit(1);
311 }
312
313 return (void*)custom_map->target_map;
314 }
315 }
316 }
317
318 return malloc(size);
319}
320
321void pl_3ds_munmap(void *ptr, size_t size, enum psxMapTag tag)
322{
323 (void)tag;
324
325 if (__ctr_svchax)
326 {
327 psx_map_t* custom_map = custom_psx_maps;
328
329 for (; custom_map->size; custom_map++)
330 {
331 if ((custom_map->target_map == (uint32_t)ptr))
332 {
333 uint32_t ptr_aligned, tmp;
334
335 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
336
337 svcControlMemory(&tmp, (void*)custom_map->target_map, (void*)ptr_aligned, size, MEMOP_UNMAP, 0x3);
338
339 free(custom_map->buffer);
340 custom_map->buffer = NULL;
341 return;
342 }
343 }
344 }
345
346 free(ptr);
347}
348#endif
349
350#ifdef VITA
351typedef struct
352{
353 void* buffer;
354 uint32_t target_map;
355 size_t size;
356 enum psxMapTag tag;
357}psx_map_t;
358
359void* addr = NULL;
360
361psx_map_t custom_psx_maps[] = {
362 {NULL, NULL, 0x210000, MAP_TAG_RAM}, // 0x80000000
363 {NULL, NULL, 0x010000, MAP_TAG_OTHER}, // 0x1f800000
364 {NULL, NULL, 0x080000, MAP_TAG_OTHER}, // 0x1fc00000
365 {NULL, NULL, 0x800000, MAP_TAG_LUTS}, // 0x08000000
366 {NULL, NULL, 0x200000, MAP_TAG_VRAM}, // 0x00000000
367};
368
369int init_vita_mmap(){
370 int n;
371 void * tmpaddr;
372 addr = malloc(64*1024*1024);
373 if(addr==NULL)
374 return -1;
375 tmpaddr = ((u32)(addr+0xFFFFFF))&~0xFFFFFF;
376 custom_psx_maps[0].buffer=tmpaddr+0x2000000;
377 custom_psx_maps[1].buffer=tmpaddr+0x1800000;
378 custom_psx_maps[2].buffer=tmpaddr+0x1c00000;
379 custom_psx_maps[3].buffer=tmpaddr+0x0000000;
380 custom_psx_maps[4].buffer=tmpaddr+0x1000000;
381#if 0
382 for(n = 0; n < 5; n++){
383 sceClibPrintf("addr reserved %x\n",custom_psx_maps[n].buffer);
384 }
385#endif
386 return 0;
387}
388
389void deinit_vita_mmap(){
390 free(addr);
391}
392
393void* pl_vita_mmap(unsigned long addr, size_t size, int is_fixed,
394 enum psxMapTag tag)
395{
396 (void)is_fixed;
397 (void)addr;
398
399
400 psx_map_t* custom_map = custom_psx_maps;
401
402 for (; custom_map->size; custom_map++)
403 {
404 if ((custom_map->size == size) && (custom_map->tag == tag))
405 {
406 return custom_map->buffer;
407 }
408 }
409
410
411 return malloc(size);
412}
413
414void pl_vita_munmap(void *ptr, size_t size, enum psxMapTag tag)
415{
416 (void)tag;
417
418 psx_map_t* custom_map = custom_psx_maps;
419
420 for (; custom_map->size; custom_map++)
421 {
422 if ((custom_map->buffer == ptr))
423 {
424 return;
425 }
426 }
427
428 free(ptr);
429}
430#endif
431
432static void *pl_mmap(unsigned int size)
433{
434 return psxMap(0, size, 0, MAP_TAG_VRAM);
435}
436
437static void pl_munmap(void *ptr, unsigned int size)
438{
439 psxUnmap(ptr, size, MAP_TAG_VRAM);
440}
441
442struct rearmed_cbs pl_rearmed_cbs = {
443 .pl_vout_open = vout_open,
444 .pl_vout_set_mode = vout_set_mode,
445 .pl_vout_flip = vout_flip,
446 .pl_vout_close = vout_close,
447 .mmap = pl_mmap,
448 .munmap = pl_munmap,
449 /* from psxcounters */
450 .gpu_hcnt = &hSyncCount,
451 .gpu_frame_count = &frame_counter,
452};
453
454void pl_frame_limit(void)
455{
456 /* called once per frame, make psxCpu->Execute() above return */
457 stop = 1;
458}
459
460void pl_timing_prepare(int is_pal)
461{
462 is_pal_mode = is_pal;
463}
464
465void plat_trigger_vibrate(int pad, int low, int high)
466{
467 if (!rumble_cb)
468 return;
469
470 if (in_enable_vibration)
471 {
472 rumble_cb(pad, RETRO_RUMBLE_STRONG, high << 8);
473 rumble_cb(pad, RETRO_RUMBLE_WEAK, low ? 0xffff : 0x0);
474 }
475}
476
477void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in)
478{
479}
480
481/* sound calls */
482static void snd_feed(void *buf, int bytes)
483{
484 if (audio_batch_cb != NULL)
485 audio_batch_cb(buf, bytes / 4);
486}
487
488void out_register_libretro(struct out_driver *drv)
489{
490 drv->name = "libretro";
491 drv->init = snd_init;
492 drv->finish = snd_finish;
493 drv->busy = snd_busy;
494 drv->feed = snd_feed;
495}
496
497/* libretro */
498void retro_set_environment(retro_environment_t cb)
499{
500 environ_cb = cb;
501
502 if (cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &logging))
503 log_cb = logging.log;
504
505 libretro_set_core_options(environ_cb);
506}
507
508void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
509void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
510void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
511void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
512void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
513
514unsigned retro_api_version(void)
515{
516 return RETRO_API_VERSION;
517}
518
519static int controller_port_variable(unsigned port, struct retro_variable *var)
520{
521 if (port >= PORTS_NUMBER)
522 return 0;
523
524 if (!environ_cb)
525 return 0;
526
527 var->value = NULL;
528 switch (port) {
529 case 0:
530 var->key = "pcsx_rearmed_pad1type";
531 break;
532 case 1:
533 var->key = "pcsx_rearmed_pad2type";
534 break;
535 case 2:
536 var->key = "pcsx_rearmed_pad3type";
537 break;
538 case 3:
539 var->key = "pcsx_rearmed_pad4type";
540 break;
541 case 4:
542 var->key = "pcsx_rearmed_pad5type";
543 break;
544 case 5:
545 var->key = "pcsx_rearmed_pad6type";
546 break;
547 case 6:
548 var->key = "pcsx_rearmed_pad7type";
549 break;
550 case 7:
551 var->key = "pcsx_rearmed_pad8type";
552 break;
553 }
554
555 return environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, var) || var->value;
556}
557
558static void update_controller_port_variable(unsigned port)
559{
560 if (port >= PORTS_NUMBER)
561 return;
562
563 struct retro_variable var;
564
565 if (controller_port_variable(port, &var))
566 {
567 if (strcmp(var.value, "standard") == 0)
568 in_type[port] = PSE_PAD_TYPE_STANDARD;
569 else if (strcmp(var.value, "analog") == 0)
570 in_type[port] = PSE_PAD_TYPE_ANALOGJOY;
571 else if (strcmp(var.value, "dualshock") == 0)
572 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
573 else if (strcmp(var.value, "negcon") == 0)
574 in_type[port] = PSE_PAD_TYPE_NEGCON;
575 else if (strcmp(var.value, "guncon") == 0)
576 in_type[port] = PSE_PAD_TYPE_GUNCON;
577 else if (strcmp(var.value, "none") == 0)
578 in_type[port] = PSE_PAD_TYPE_NONE;
579 // else 'default' case, do nothing
580 }
581}
582
583static void update_controller_port_device(unsigned port, unsigned device)
584{
585 if (port >= PORTS_NUMBER)
586 return;
587
588 struct retro_variable var;
589
590 if (!controller_port_variable(port, &var))
591 return;
592
593 if (strcmp(var.value, "default") != 0)
594 return;
595
596 switch (device)
597 {
598 case RETRO_DEVICE_JOYPAD:
599 in_type[port] = PSE_PAD_TYPE_STANDARD;
600 break;
601 case RETRO_DEVICE_ANALOG:
602 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
603 break;
604 case RETRO_DEVICE_MOUSE:
605 in_type[port] = PSE_PAD_TYPE_MOUSE;
606 break;
607 case RETRO_DEVICE_LIGHTGUN:
608 in_type[port] = PSE_PAD_TYPE_GUN;
609 break;
610 case RETRO_DEVICE_NONE:
611 default:
612 in_type[port] = PSE_PAD_TYPE_NONE;
613 }
614}
615
616static void update_multitap()
617{
618 struct retro_variable var;
619 int auto_case, port;
620
621 var.value = NULL;
622 var.key = "pcsx_rearmed_multitap1";
623 auto_case = 0;
624 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value))
625 {
626 if (strcmp(var.value, "enabled") == 0)
627 multitap1 = 1;
628 else if (strcmp(var.value, "disabled") == 0)
629 multitap1 = 0;
630 else // 'auto' case
631 auto_case = 1;
632 }
633 else
634 auto_case = 1;
635
636 if (auto_case)
637 {
638 // If a gamepad is plugged after port 2, we need a first multitap.
639 multitap1 = 0;
640 for (port = 2; port < PORTS_NUMBER; port++)
641 multitap1 |= in_type[port] != PSE_PAD_TYPE_NONE;
642 }
643
644 var.value = NULL;
645 var.key = "pcsx_rearmed_multitap2";
646 auto_case = 0;
647 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value))
648 {
649 if (strcmp(var.value, "enabled") == 0)
650 multitap2 = 1;
651 else if (strcmp(var.value, "disabled") == 0)
652 multitap2 = 0;
653 else // 'auto' case
654 auto_case = 1;
655 }
656 else
657 auto_case = 1;
658
659 if (auto_case)
660 {
661 // If a gamepad is plugged after port 4, we need a second multitap.
662 multitap2 = 0;
663 for (port = 4; port < PORTS_NUMBER; port++)
664 multitap2 |= in_type[port] != PSE_PAD_TYPE_NONE;
665 }
666}
667
668void retro_set_controller_port_device(unsigned port, unsigned device)
669{
670 SysPrintf("port %u device %u",port,device);
671
672 if (port >= PORTS_NUMBER)
673 return;
674
675 update_controller_port_device(port, device);
676 update_multitap();
677}
678
679void retro_get_system_info(struct retro_system_info *info)
680{
681 memset(info, 0, sizeof(*info));
682 info->library_name = "PCSX-ReARMed";
683#ifndef GIT_VERSION
684#define GIT_VERSION ""
685#endif
686 info->library_version = "r22" GIT_VERSION;
687 info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u|chd";
688 info->need_fullpath = true;
689}
690
691void retro_get_system_av_info(struct retro_system_av_info *info)
692{
693
694 unsigned geom_height = vout_height > 0 ? vout_height : 240;
695 unsigned geom_width = vout_width > 0 ? vout_width : 320;
696
697 memset(info, 0, sizeof(*info));
698 info->timing.fps = is_pal_mode ? 50 : 60;
699 info->timing.sample_rate = 44100;
700 info->geometry.base_width = geom_width;
701 info->geometry.base_height = geom_height;
702 info->geometry.max_width = VOUT_MAX_WIDTH;
703 info->geometry.max_height = VOUT_MAX_HEIGHT;
704 info->geometry.aspect_ratio = 4.0 / 3.0;
705}
706
707/* savestates */
708size_t retro_serialize_size(void)
709{
710 // it's currently 4380651-4397047 bytes,
711 // but have some reserved for future
712 return 0x440000;
713}
714
715struct save_fp {
716 char *buf;
717 size_t pos;
718 int is_write;
719};
720
721static void *save_open(const char *name, const char *mode)
722{
723 struct save_fp *fp;
724
725 if (name == NULL || mode == NULL)
726 return NULL;
727
728 fp = malloc(sizeof(*fp));
729 if (fp == NULL)
730 return NULL;
731
732 fp->buf = (char *)name;
733 fp->pos = 0;
734 fp->is_write = (mode[0] == 'w' || mode[1] == 'w');
735
736 return fp;
737}
738
739static int save_read(void *file, void *buf, u32 len)
740{
741 struct save_fp *fp = file;
742 if (fp == NULL || buf == NULL)
743 return -1;
744
745 memcpy(buf, fp->buf + fp->pos, len);
746 fp->pos += len;
747 return len;
748}
749
750static int save_write(void *file, const void *buf, u32 len)
751{
752 struct save_fp *fp = file;
753 if (fp == NULL || buf == NULL)
754 return -1;
755
756 memcpy(fp->buf + fp->pos, buf, len);
757 fp->pos += len;
758 return len;
759}
760
761static long save_seek(void *file, long offs, int whence)
762{
763 struct save_fp *fp = file;
764 if (fp == NULL)
765 return -1;
766
767 switch (whence) {
768 case SEEK_CUR:
769 fp->pos += offs;
770 return fp->pos;
771 case SEEK_SET:
772 fp->pos = offs;
773 return fp->pos;
774 default:
775 return -1;
776 }
777}
778
779static void save_close(void *file)
780{
781 struct save_fp *fp = file;
782 size_t r_size = retro_serialize_size();
783 if (fp == NULL)
784 return;
785
786 if (fp->pos > r_size)
787 SysPrintf("ERROR: save buffer overflow detected\n");
788 else if (fp->is_write && fp->pos < r_size)
789 // make sure we don't save trash in leftover space
790 memset(fp->buf + fp->pos, 0, r_size - fp->pos);
791 free(fp);
792}
793
794bool retro_serialize(void *data, size_t size)
795{
796 int ret = SaveState(data);
797 return ret == 0 ? true : false;
798}
799
800bool retro_unserialize(const void *data, size_t size)
801{
802 int ret = LoadState(data);
803 return ret == 0 ? true : false;
804}
805
806/* cheats */
807void retro_cheat_reset(void)
808{
809 ClearAllCheats();
810}
811
812void retro_cheat_set(unsigned index, bool enabled, const char *code)
813{
814 char buf[256];
815 int ret;
816
817 // cheat funcs are destructive, need a copy..
818 strncpy(buf, code, sizeof(buf));
819 buf[sizeof(buf) - 1] = 0;
820
821 //Prepare buffered cheat for PCSX's AddCheat fucntion.
822 int cursor=0;
823 int nonhexdec=0;
824 while (buf[cursor]){
825 if (!(ISHEXDEC)){
826 if (++nonhexdec%2){
827 buf[cursor]=' ';
828 } else {
829 buf[cursor]='\n';
830 }
831 }
832 cursor++;
833 }
834
835
836 if (index < NumCheats)
837 ret = EditCheat(index, "", buf);
838 else
839 ret = AddCheat("", buf);
840
841 if (ret != 0)
842 SysPrintf("Failed to set cheat %#u\n", index);
843 else if (index < NumCheats)
844 Cheats[index].Enabled = enabled;
845}
846
847/* multidisk support */
848static bool disk_ejected;
849static unsigned int disk_current_index;
850static unsigned int disk_count;
851static struct disks_state {
852 char *fname;
853 int internal_index; // for multidisk eboots
854} disks[8];
855
856static bool disk_set_eject_state(bool ejected)
857{
858 // weird PCSX API..
859 SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2));
860 LidInterrupt();
861
862 disk_ejected = ejected;
863 return true;
864}
865
866static bool disk_get_eject_state(void)
867{
868 /* can't be controlled by emulated software */
869 return disk_ejected;
870}
871
872static unsigned int disk_get_image_index(void)
873{
874 return disk_current_index;
875}
876
877static bool disk_set_image_index(unsigned int index)
878{
879 if (index >= sizeof(disks) / sizeof(disks[0]))
880 return false;
881
882 CdromId[0] = '\0';
883 CdromLabel[0] = '\0';
884
885 if (disks[index].fname == NULL) {
886 SysPrintf("missing disk #%u\n", index);
887 CDR_shutdown();
888
889 // RetroArch specifies "no disk" with index == count,
890 // so don't fail here..
891 disk_current_index = index;
892 return true;
893 }
894
895 SysPrintf("switching to disk %u: \"%s\" #%d\n", index,
896 disks[index].fname, disks[index].internal_index);
897
898 cdrIsoMultidiskSelect = disks[index].internal_index;
899 set_cd_image(disks[index].fname);
900 if (ReloadCdromPlugin() < 0) {
901 SysPrintf("failed to load cdr plugin\n");
902 return false;
903 }
904 if (CDR_open() < 0) {
905 SysPrintf("failed to open cdr plugin\n");
906 return false;
907 }
908
909 if (!disk_ejected) {
910 SetCdOpenCaseTime(time(NULL) + 2);
911 LidInterrupt();
912 }
913
914 disk_current_index = index;
915 return true;
916}
917
918static unsigned int disk_get_num_images(void)
919{
920 return disk_count;
921}
922
923static bool disk_replace_image_index(unsigned index,
924 const struct retro_game_info *info)
925{
926 char *old_fname;
927 bool ret = true;
928
929 if (index >= sizeof(disks) / sizeof(disks[0]))
930 return false;
931
932 old_fname = disks[index].fname;
933 disks[index].fname = NULL;
934 disks[index].internal_index = 0;
935
936 if (info != NULL) {
937 disks[index].fname = strdup(info->path);
938 if (index == disk_current_index)
939 ret = disk_set_image_index(index);
940 }
941
942 if (old_fname != NULL)
943 free(old_fname);
944
945 return ret;
946}
947
948static bool disk_add_image_index(void)
949{
950 if (disk_count >= 8)
951 return false;
952
953 disk_count++;
954 return true;
955}
956
957static struct retro_disk_control_callback disk_control = {
958 .set_eject_state = disk_set_eject_state,
959 .get_eject_state = disk_get_eject_state,
960 .get_image_index = disk_get_image_index,
961 .set_image_index = disk_set_image_index,
962 .get_num_images = disk_get_num_images,
963 .replace_image_index = disk_replace_image_index,
964 .add_image_index = disk_add_image_index,
965};
966
967// just in case, maybe a win-rt port in the future?
968#ifdef _WIN32
969#define SLASH '\\'
970#else
971#define SLASH '/'
972#endif
973
974#ifndef PATH_MAX
975#define PATH_MAX 4096
976#endif
977
978static char base_dir[1024];
979
980static bool read_m3u(const char *file)
981{
982 char line[1024];
983 char name[PATH_MAX];
984 FILE *f = fopen(file, "r");
985 if (!f)
986 return false;
987
988 while (fgets(line, sizeof(line), f) && disk_count < sizeof(disks) / sizeof(disks[0])) {
989 if (line[0] == '#')
990 continue;
991 char *carrige_return = strchr(line, '\r');
992 if (carrige_return)
993 *carrige_return = '\0';
994 char *newline = strchr(line, '\n');
995 if (newline)
996 *newline = '\0';
997
998 if (line[0] != '\0')
999 {
1000 snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
1001 disks[disk_count++].fname = strdup(name);
1002 }
1003 }
1004
1005 fclose(f);
1006 return (disk_count != 0);
1007}
1008
1009static void extract_directory(char *buf, const char *path, size_t size)
1010{
1011 char *base;
1012 strncpy(buf, path, size - 1);
1013 buf[size - 1] = '\0';
1014
1015 base = strrchr(buf, '/');
1016 if (!base)
1017 base = strrchr(buf, '\\');
1018
1019 if (base)
1020 *base = '\0';
1021 else
1022 {
1023 buf[0] = '.';
1024 buf[1] = '\0';
1025 }
1026}
1027
1028#if defined(__QNX__) || defined(_WIN32)
1029/* Blackberry QNX doesn't have strcasestr */
1030
1031/*
1032 * Find the first occurrence of find in s, ignore case.
1033 */
1034char *
1035strcasestr(const char *s, const char*find)
1036{
1037 char c, sc;
1038 size_t len;
1039
1040 if ((c = *find++) != 0) {
1041 c = tolower((unsigned char)c);
1042 len = strlen(find);
1043 do {
1044 do {
1045 if ((sc = *s++) == 0)
1046 return (NULL);
1047 } while ((char)tolower((unsigned char)sc) != c);
1048 } while (strncasecmp(s, find, len) != 0);
1049 s--;
1050 }
1051 return ((char *)s);
1052}
1053#endif
1054
1055bool retro_load_game(const struct retro_game_info *info)
1056{
1057 size_t i;
1058 bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
1059
1060 struct retro_input_descriptor desc[] = {
1061 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1062 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1063 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1064 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1065 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1066 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1067 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1068 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1069 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1070 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1071 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1072 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1073 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1074 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1075 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1076 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1077 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1078 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1079 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1080 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1081
1082
1083 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1084 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1085 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1086 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1087 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1088 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1089 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1090 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1091 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1092 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1093 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1094 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1095 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1096 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1097 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1098 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1099 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1100 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1101 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1102 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1103
1104 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1105 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1106 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1107 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1108 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1109 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1110 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1111 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1112 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1113 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1114 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1115 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1116 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1117 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1118 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1119 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1120 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1121 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1122 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1123 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1124
1125 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1126 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1127 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1128 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1129 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1130 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1131 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1132 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1133 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1134 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1135 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1136 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1137 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1138 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1139 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1140 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1141 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1142 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1143 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1144 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1145
1146 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1147 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1148 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1149 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1150 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1151 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1152 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1153 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1154 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1155 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1156 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1157 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1158 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1159 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1160 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1161 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1162 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1163 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1164 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1165 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1166
1167 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1168 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1169 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1170 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1171 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1172 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1173 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1174 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1175 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1176 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1177 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1178 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1179 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1180 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1181 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1182 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1183 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1184 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1185 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1186 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1187
1188 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1189 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1190 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1191 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1192 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1193 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1194 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1195 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1196 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1197 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1198 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1199 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1200 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1201 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1202 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1203 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1204 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1205 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1206 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1207 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1208
1209 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1210 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1211 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1212 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1213 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1214 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1215 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1216 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1217 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1218 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1219 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1220 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1221 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1222 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1223 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1224 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1225 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1226 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1227 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1228 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1229
1230 { 0 },
1231 };
1232
1233 frame_count = 0;
1234
1235 environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
1236
1237#ifdef FRONTEND_SUPPORTS_RGB565
1238 enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
1239 if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) {
1240 SysPrintf("RGB565 supported, using it\n");
1241 }
1242#endif
1243
1244 if (info == NULL || info->path == NULL) {
1245 SysPrintf("info->path required\n");
1246 return false;
1247 }
1248
1249 if (plugins_opened) {
1250 ClosePlugins();
1251 plugins_opened = 0;
1252 }
1253
1254 for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++) {
1255 if (disks[i].fname != NULL) {
1256 free(disks[i].fname);
1257 disks[i].fname = NULL;
1258 }
1259 disks[i].internal_index = 0;
1260 }
1261
1262 disk_current_index = 0;
1263 extract_directory(base_dir, info->path, sizeof(base_dir));
1264
1265 if (is_m3u) {
1266 if (!read_m3u(info->path)) {
1267 log_cb(RETRO_LOG_INFO, "failed to read m3u file\n");
1268 return false;
1269 }
1270 } else {
1271 disk_count = 1;
1272 disks[0].fname = strdup(info->path);
1273 }
1274
1275 set_cd_image(disks[0].fname);
1276
1277 /* have to reload after set_cd_image for correct cdr plugin */
1278 if (LoadPlugins() == -1) {
1279 log_cb(RETRO_LOG_INFO, "failed to load plugins\n");
1280 return false;
1281 }
1282
1283 plugins_opened = 1;
1284 NetOpened = 0;
1285
1286 if (OpenPlugins() == -1) {
1287 log_cb(RETRO_LOG_INFO, "failed to open plugins\n");
1288 return false;
1289 }
1290
1291 plugin_call_rearmed_cbs();
1292 dfinput_activate();
1293
1294 if (CheckCdrom() == -1) {
1295 log_cb(RETRO_LOG_INFO, "unsupported/invalid CD image: %s\n", info->path);
1296 return false;
1297 }
1298
1299 SysReset();
1300
1301 if (LoadCdrom() == -1) {
1302 log_cb(RETRO_LOG_INFO, "could not load CD\n");
1303 return false;
1304 }
1305 emu_on_new_cd(0);
1306
1307 // multidisk images
1308 if (!is_m3u) {
1309 disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8;
1310 for (i = 1; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++) {
1311 disks[i].fname = strdup(info->path);
1312 disks[i].internal_index = i;
1313 }
1314 }
1315
1316 return true;
1317}
1318
1319unsigned retro_get_region(void)
1320{
1321 return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
1322}
1323
1324void *retro_get_memory_data(unsigned id)
1325{
1326 if (id == RETRO_MEMORY_SAVE_RAM)
1327 return Mcd1Data;
1328 else if (id == RETRO_MEMORY_SYSTEM_RAM)
1329 return psxM;
1330 else
1331 return NULL;
1332}
1333
1334size_t retro_get_memory_size(unsigned id)
1335{
1336 if (id == RETRO_MEMORY_SAVE_RAM)
1337 return MCD_SIZE;
1338 else if (id == RETRO_MEMORY_SYSTEM_RAM)
1339 return 0x200000;
1340 else
1341 return 0;
1342}
1343
1344void retro_reset(void)
1345{
1346 //hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
1347 rebootemu = 1;
1348 //SysReset();
1349}
1350
1351static const unsigned short retro_psx_map[] = {
1352 [RETRO_DEVICE_ID_JOYPAD_B] = 1 << DKEY_CROSS,
1353 [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << DKEY_SQUARE,
1354 [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT,
1355 [RETRO_DEVICE_ID_JOYPAD_START] = 1 << DKEY_START,
1356 [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << DKEY_UP,
1357 [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << DKEY_DOWN,
1358 [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << DKEY_LEFT,
1359 [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << DKEY_RIGHT,
1360 [RETRO_DEVICE_ID_JOYPAD_A] = 1 << DKEY_CIRCLE,
1361 [RETRO_DEVICE_ID_JOYPAD_X] = 1 << DKEY_TRIANGLE,
1362 [RETRO_DEVICE_ID_JOYPAD_L] = 1 << DKEY_L1,
1363 [RETRO_DEVICE_ID_JOYPAD_R] = 1 << DKEY_R1,
1364 [RETRO_DEVICE_ID_JOYPAD_L2] = 1 << DKEY_L2,
1365 [RETRO_DEVICE_ID_JOYPAD_R2] = 1 << DKEY_R2,
1366 [RETRO_DEVICE_ID_JOYPAD_L3] = 1 << DKEY_L3,
1367 [RETRO_DEVICE_ID_JOYPAD_R3] = 1 << DKEY_R3,
1368};
1369#define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
1370
1371static void update_variables(bool in_flight)
1372{
1373 struct retro_variable var;
1374 int i;
1375 int gpu_peops_fix = 0;
1376
1377 var.value = NULL;
1378 var.key = "pcsx_rearmed_frameskip";
1379 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1380 pl_rearmed_cbs.frameskip = atoi(var.value);
1381
1382 var.value = NULL;
1383 var.key = "pcsx_rearmed_region";
1384 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1385 {
1386 Config.PsxAuto = 0;
1387 if (strcmp(var.value, "auto") == 0)
1388 Config.PsxAuto = 1;
1389 else if (strcmp(var.value, "NTSC") == 0)
1390 Config.PsxType = 0;
1391 else if (strcmp(var.value, "PAL") == 0)
1392 Config.PsxType = 1;
1393 }
1394
1395 for (i = 0; i < PORTS_NUMBER; i++)
1396 update_controller_port_variable(i);
1397
1398 update_multitap();
1399
1400 var.value = NULL;
1401 var.key = "pcsx_rearmed_negcon_deadzone";
1402 negcon_deadzone = 0;
1403 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1404 {
1405 negcon_deadzone = (int)(atoi(var.value) * 0.01f * NEGCON_RANGE);
1406 }
1407
1408 var.value = NULL;
1409 var.key = "pcsx_rearmed_negcon_response";
1410 negcon_linearity = 1;
1411 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1412 {
1413 if (strcmp(var.value, "quadratic") == 0){
1414 negcon_linearity = 2;
1415 } else if (strcmp(var.value, "cubic") == 0){
1416 negcon_linearity = 3;
1417 }
1418 }
1419
1420 var.value = NULL;
1421 var.key = "pcsx_rearmed_vibration";
1422
1423 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1424 {
1425 if (strcmp(var.value, "disabled") == 0)
1426 in_enable_vibration = 0;
1427 else if (strcmp(var.value, "enabled") == 0)
1428 in_enable_vibration = 1;
1429 }
1430
1431 var.value = NULL;
1432 var.key = "pcsx_rearmed_dithering";
1433
1434 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1435 {
1436 if (strcmp(var.value, "disabled") == 0) {
1437 pl_rearmed_cbs.gpu_peops.iUseDither = 0;
1438 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 0;
1439 pl_rearmed_cbs.gpu_unai.dithering = 0;
1440#ifdef __ARM_NEON__
1441 pl_rearmed_cbs.gpu_neon.allow_dithering = 0;
1442#endif
1443 }
1444 else if (strcmp(var.value, "enabled") == 0) {
1445 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
1446 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 1;
1447 pl_rearmed_cbs.gpu_unai.dithering = 1;
1448#ifdef __ARM_NEON__
1449 pl_rearmed_cbs.gpu_neon.allow_dithering = 1;
1450#endif
1451 }
1452 }
1453
1454#ifdef __ARM_NEON__
1455 var.value = "NULL";
1456 var.key = "pcsx_rearmed_neon_interlace_enable";
1457
1458 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1459 {
1460 if (strcmp(var.value, "disabled") == 0)
1461 pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
1462 else if (strcmp(var.value, "enabled") == 0)
1463 pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
1464 }
1465
1466 var.value = NULL;
1467 var.key = "pcsx_rearmed_neon_enhancement_enable";
1468
1469 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1470 {
1471 if (strcmp(var.value, "disabled") == 0)
1472 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
1473 else if (strcmp(var.value, "enabled") == 0)
1474 pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
1475 }
1476
1477 var.value = NULL;
1478 var.key = "pcsx_rearmed_neon_enhancement_no_main";
1479
1480 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1481 {
1482 if (strcmp(var.value, "disabled") == 0)
1483 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
1484 else if (strcmp(var.value, "enabled") == 0)
1485 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1;
1486 }
1487#endif
1488
1489 var.value = "NULL";
1490 var.key = "pcsx_rearmed_duping_enable";
1491
1492 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1493 {
1494 if (strcmp(var.value, "disabled") == 0)
1495 duping_enable = false;
1496 else if (strcmp(var.value, "enabled") == 0)
1497 duping_enable = true;
1498 }
1499
1500 var.value = "NULL";
1501 var.key = "pcsx_rearmed_display_internal_fps";
1502
1503 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1504 {
1505 if (strcmp(var.value, "disabled") == 0)
1506 display_internal_fps = false;
1507 else if (strcmp(var.value, "enabled") == 0)
1508 display_internal_fps = true;
1509 }
1510
1511#ifndef DRC_DISABLE
1512 var.value = NULL;
1513 var.key = "pcsx_rearmed_drc";
1514
1515 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1516 {
1517 R3000Acpu *prev_cpu = psxCpu;
1518
1519#ifdef _3DS
1520 if(!__ctr_svchax)
1521 Config.Cpu = CPU_INTERPRETER;
1522 else
1523#endif
1524 if (strcmp(var.value, "disabled") == 0)
1525 Config.Cpu = CPU_INTERPRETER;
1526 else if (strcmp(var.value, "enabled") == 0)
1527 Config.Cpu = CPU_DYNAREC;
1528
1529 psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
1530 if (psxCpu != prev_cpu) {
1531 prev_cpu->Shutdown();
1532 psxCpu->Init();
1533 psxCpu->Reset(); // not really a reset..
1534 }
1535 }
1536#endif
1537
1538 var.value = "NULL";
1539 var.key = "pcsx_rearmed_spu_reverb";
1540
1541 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1542 {
1543 if (strcmp(var.value, "disabled") == 0)
1544 spu_config.iUseReverb = false;
1545 else if (strcmp(var.value, "enabled") == 0)
1546 spu_config.iUseReverb = true;
1547 }
1548
1549 var.value = "NULL";
1550 var.key = "pcsx_rearmed_spu_interpolation";
1551
1552 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1553 {
1554 if (strcmp(var.value, "simple") == 0)
1555 spu_config.iUseInterpolation = 1;
1556 else if (strcmp(var.value, "gaussian") == 0)
1557 spu_config.iUseInterpolation = 2;
1558 else if (strcmp(var.value, "cubic") == 0)
1559 spu_config.iUseInterpolation = 3;
1560 else if (strcmp(var.value, "off") == 0)
1561 spu_config.iUseInterpolation = 0;
1562 }
1563
1564 var.value = "NULL";
1565 var.key = "pcsx_rearmed_pe2_fix";
1566
1567 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1568 {
1569 if (strcmp(var.value, "disabled") == 0)
1570 Config.RCntFix = 0;
1571 else if (strcmp(var.value, "enabled") == 0)
1572 Config.RCntFix = 1;
1573 }
1574
1575 var.value = "NULL";
1576 var.key = "pcsx_rearmed_idiablofix";
1577
1578 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1579 {
1580 if (strcmp(var.value, "disabled") == 0)
1581 spu_config.idiablofix = 0;
1582 else if (strcmp(var.value, "enabled") == 0)
1583 spu_config.idiablofix = 1;
1584 }
1585
1586 var.value = "NULL";
1587 var.key = "pcsx_rearmed_inuyasha_fix";
1588
1589 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1590 {
1591 if (strcmp(var.value, "disabled") == 0)
1592 Config.VSyncWA = 0;
1593 else if (strcmp(var.value, "enabled") == 0)
1594 Config.VSyncWA = 1;
1595 }
1596
1597 var.value = NULL;
1598 var.key = "pcsx_rearmed_noxadecoding";
1599 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1600 {
1601 if (strcmp(var.value, "disabled") == 0)
1602 Config.Xa = 1;
1603 else
1604 Config.Xa = 0;
1605 }
1606
1607 var.value = NULL;
1608 var.key = "pcsx_rearmed_nocdaudio";
1609 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1610 {
1611 if (strcmp(var.value, "disabled") == 0)
1612 Config.Cdda = 1;
1613 else
1614 Config.Cdda = 0;
1615 }
1616
1617 var.value = NULL;
1618 var.key = "pcsx_rearmed_spuirq";
1619 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1620 {
1621 if (strcmp(var.value, "disabled") == 0)
1622 Config.SpuIrq = 0;
1623 else
1624 Config.SpuIrq = 1;
1625 }
1626
1627#ifndef DRC_DISABLE
1628 var.value = NULL;
1629 var.key = "pcsx_rearmed_nosmccheck";
1630 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1631 {
1632 if (strcmp(var.value, "enabled") == 0)
1633 new_dynarec_hacks |= NDHACK_NO_SMC_CHECK;
1634 else
1635 new_dynarec_hacks &= ~NDHACK_NO_SMC_CHECK;
1636 }
1637
1638 var.value = NULL;
1639 var.key = "pcsx_rearmed_gteregsunneeded";
1640 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1641 {
1642 if (strcmp(var.value, "enabled") == 0)
1643 new_dynarec_hacks |= NDHACK_GTE_UNNEEDED;
1644 else
1645 new_dynarec_hacks &= ~NDHACK_GTE_UNNEEDED;
1646 }
1647
1648 var.value = NULL;
1649 var.key = "pcsx_rearmed_nogteflags";
1650 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1651 {
1652 if (strcmp(var.value, "enabled") == 0)
1653 new_dynarec_hacks |= NDHACK_GTE_NO_FLAGS;
1654 else
1655 new_dynarec_hacks &= ~NDHACK_GTE_NO_FLAGS;
1656 }
1657#endif
1658
1659#ifdef GPU_PEOPS
1660 var.value = "NULL";
1661 var.key = "pcsx_rearmed_gpu_peops_odd_even_bit";
1662
1663 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1664 {
1665 if (strcmp(var.value, "enabled") == 0)
1666 gpu_peops_fix |= GPU_PEOPS_ODD_EVEN_BIT;
1667 }
1668
1669 var.value = "NULL";
1670 var.key = "pcsx_rearmed_gpu_peops_expand_screen_width";
1671
1672 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1673 {
1674 if (strcmp(var.value, "enabled") == 0)
1675 gpu_peops_fix |= GPU_PEOPS_EXPAND_SCREEN_WIDTH;
1676 }
1677
1678 var.value = "NULL";
1679 var.key = "pcsx_rearmed_gpu_peops_ignore_brightness";
1680
1681 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1682 {
1683 if (strcmp(var.value, "enabled") == 0)
1684 gpu_peops_fix |= GPU_PEOPS_IGNORE_BRIGHTNESS;
1685 }
1686
1687 var.value = "NULL";
1688 var.key = "pcsx_rearmed_gpu_peops_disable_coord_check";
1689
1690 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1691 {
1692 if (strcmp(var.value, "enabled") == 0)
1693 gpu_peops_fix |= GPU_PEOPS_DISABLE_COORD_CHECK;
1694 }
1695
1696 var.value = "NULL";
1697 var.key = "pcsx_rearmed_gpu_peops_lazy_screen_update";
1698
1699 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1700 {
1701 if (strcmp(var.value, "enabled") == 0)
1702 gpu_peops_fix |= GPU_PEOPS_LAZY_SCREEN_UPDATE;
1703 }
1704
1705 var.value = "NULL";
1706 var.key = "pcsx_rearmed_gpu_peops_old_frame_skip";
1707
1708 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1709 {
1710 if (strcmp(var.value, "enabled") == 0)
1711 gpu_peops_fix |= GPU_PEOPS_OLD_FRAME_SKIP;
1712 }
1713
1714 var.value = "NULL";
1715 var.key = "pcsx_rearmed_gpu_peops_repeated_triangles";
1716
1717 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1718 {
1719 if (strcmp(var.value, "enabled") == 0)
1720 gpu_peops_fix |= GPU_PEOPS_REPEATED_TRIANGLES;
1721 }
1722
1723 var.value = "NULL";
1724 var.key = "pcsx_rearmed_gpu_peops_quads_with_triangles";
1725
1726 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1727 {
1728 if (strcmp(var.value, "enabled") == 0)
1729 gpu_peops_fix |= GPU_PEOPS_QUADS_WITH_TRIANGLES;
1730 }
1731
1732 var.value = "NULL";
1733 var.key = "pcsx_rearmed_gpu_peops_fake_busy_state";
1734
1735 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1736 {
1737 if (strcmp(var.value, "enabled") == 0)
1738 gpu_peops_fix |= GPU_PEOPS_FAKE_BUSY_STATE;
1739 }
1740
1741 if (pl_rearmed_cbs.gpu_peops.dwActFixes != gpu_peops_fix)
1742 pl_rearmed_cbs.gpu_peops.dwActFixes = gpu_peops_fix;
1743
1744
1745 /* Show/hide core options */
1746
1747 var.key = "pcsx_rearmed_show_gpu_peops_settings";
1748 var.value = NULL;
1749
1750 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1751 {
1752 int show_advanced_gpu_peops_settings_prev = show_advanced_gpu_peops_settings;
1753
1754 show_advanced_gpu_peops_settings = 1;
1755 if (strcmp(var.value, "disabled") == 0)
1756 show_advanced_gpu_peops_settings = 0;
1757
1758 if (show_advanced_gpu_peops_settings != show_advanced_gpu_peops_settings_prev)
1759 {
1760 unsigned i;
1761 struct retro_core_option_display option_display;
1762 char gpu_peops_option[9][45] = {
1763 "pcsx_rearmed_gpu_peops_odd_even_bit",
1764 "pcsx_rearmed_gpu_peops_expand_screen_width",
1765 "pcsx_rearmed_gpu_peops_ignore_brightness",
1766 "pcsx_rearmed_gpu_peops_disable_coord_check",
1767 "pcsx_rearmed_gpu_peops_lazy_screen_update",
1768 "pcsx_rearmed_gpu_peops_old_frame_skip",
1769 "pcsx_rearmed_gpu_peops_repeated_triangles",
1770 "pcsx_rearmed_gpu_peops_quads_with_triangles",
1771 "pcsx_rearmed_gpu_peops_fake_busy_state",
1772 };
1773
1774 option_display.visible = show_advanced_gpu_peops_settings;
1775
1776 for (i = 0; i < 9; i++)
1777 {
1778 option_display.key = gpu_peops_option[i];
1779 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY, &option_display);
1780 }
1781 }
1782 }
1783#endif
1784
1785#ifdef GPU_UNAI
1786 var.key = "pcsx_rearmed_gpu_unai_ilace_force";
1787 var.value = NULL;
1788
1789 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1790 {
1791 if (strcmp(var.value, "disabled") == 0)
1792 pl_rearmed_cbs.gpu_unai.ilace_force = 0;
1793 else if (strcmp(var.value, "enabled") == 0)
1794 pl_rearmed_cbs.gpu_unai.ilace_force = 1;
1795 }
1796
1797 var.key = "pcsx_rearmed_gpu_unai_pixel_skip";
1798 var.value = NULL;
1799
1800 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1801 {
1802 if (strcmp(var.value, "disabled") == 0)
1803 pl_rearmed_cbs.gpu_unai.pixel_skip = 0;
1804 else if (strcmp(var.value, "enabled") == 0)
1805 pl_rearmed_cbs.gpu_unai.pixel_skip = 1;
1806 }
1807
1808 var.key = "pcsx_rearmed_gpu_unai_lighting";
1809 var.value = NULL;
1810
1811 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1812 {
1813 if (strcmp(var.value, "disabled") == 0)
1814 pl_rearmed_cbs.gpu_unai.lighting = 0;
1815 else if (strcmp(var.value, "enabled") == 0)
1816 pl_rearmed_cbs.gpu_unai.lighting = 1;
1817 }
1818
1819 var.key = "pcsx_rearmed_gpu_unai_fast_lighting";
1820 var.value = NULL;
1821
1822 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1823 {
1824 if (strcmp(var.value, "disabled") == 0)
1825 pl_rearmed_cbs.gpu_unai.fast_lighting = 0;
1826 else if (strcmp(var.value, "enabled") == 0)
1827 pl_rearmed_cbs.gpu_unai.fast_lighting = 1;
1828 }
1829
1830 var.key = "pcsx_rearmed_gpu_unai_blending";
1831 var.value = NULL;
1832
1833 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1834 {
1835 if (strcmp(var.value, "disabled") == 0)
1836 pl_rearmed_cbs.gpu_unai.blending = 0;
1837 else if (strcmp(var.value, "enabled") == 0)
1838 pl_rearmed_cbs.gpu_unai.blending = 1;
1839 }
1840
1841 var.key = "pcsx_rearmed_show_gpu_unai_settings";
1842 var.value = NULL;
1843
1844 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1845 {
1846 int show_advanced_gpu_unai_settings_prev = show_advanced_gpu_unai_settings;
1847
1848 show_advanced_gpu_unai_settings = 1;
1849 if (strcmp(var.value, "disabled") == 0)
1850 show_advanced_gpu_unai_settings = 0;
1851
1852 if (show_advanced_gpu_unai_settings != show_advanced_gpu_unai_settings_prev)
1853 {
1854 unsigned i;
1855 struct retro_core_option_display option_display;
1856 char gpu_unai_option[5][40] = {
1857 "pcsx_rearmed_gpu_unai_blending",
1858 "pcsx_rearmed_gpu_unai_lighting",
1859 "pcsx_rearmed_gpu_unai_fast_lighting",
1860 "pcsx_rearmed_gpu_unai_ilace_force",
1861 "pcsx_rearmed_gpu_unai_pixel_skip",
1862 };
1863
1864 option_display.visible = show_advanced_gpu_unai_settings;
1865
1866 for (i = 0; i < 5; i++)
1867 {
1868 option_display.key = gpu_unai_option[i];
1869 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY, &option_display);
1870 }
1871 }
1872 }
1873#endif // GPU_UNAI
1874
1875 if (in_flight) {
1876 // inform core things about possible config changes
1877 plugin_call_rearmed_cbs();
1878
1879 if (GPU_open != NULL && GPU_close != NULL) {
1880 GPU_close();
1881 GPU_open(&gpuDisp, "PCSX", NULL);
1882 }
1883
1884 dfinput_activate();
1885 }
1886 else
1887 {
1888 //not yet running
1889
1890 //bootlogo display hack
1891 if (found_bios) {
1892 var.value = "NULL";
1893 var.key = "pcsx_rearmed_show_bios_bootlogo";
1894 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1895 {
1896 Config.SlowBoot = 0;
1897 rebootemu = 0;
1898 if (strcmp(var.value, "enabled") == 0)
1899 {
1900 Config.SlowBoot = 1;
1901 rebootemu = 1;
1902 }
1903 }
1904 }
1905#ifndef DRC_DISABLE
1906 var.value = "NULL";
1907 var.key = "pcsx_rearmed_psxclock";
1908 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1909 {
1910 int psxclock = atoi(var.value);
1911 cycle_multiplier = 10000 / psxclock;
1912 }
1913#endif
1914 }
1915}
1916
1917// Taken from beetle-psx-libretro
1918static uint16_t get_analog_button(int16_t ret, retro_input_state_t input_state_cb, int player_index, int id)
1919{
1920 // NOTE: Analog buttons were added Nov 2017. Not all front-ends support this
1921 // feature (or pre-date it) so we need to handle this in a graceful way.
1922
1923 // First, try and get an analog value using the new libretro API constant
1924 uint16_t button = input_state_cb(player_index,
1925 RETRO_DEVICE_ANALOG,
1926 RETRO_DEVICE_INDEX_ANALOG_BUTTON,
1927 id);
1928 button = MIN(button / 128, 255);
1929
1930 if (button == 0)
1931 {
1932 // If we got exactly zero, we're either not pressing the button, or the front-end
1933 // is not reporting analog values. We need to do a second check using the classic
1934 // digital API method, to at least get some response - better than nothing.
1935
1936 // NOTE: If we're really just not holding the button, we're still going to get zero.
1937
1938 button = (ret & (1 << id)) ? 255 : 0;
1939 }
1940
1941 return button;
1942}
1943
1944void retro_run(void)
1945{
1946 int i;
1947 //SysReset must be run while core is running,Not in menu (Locks up Retroarch)
1948 if (rebootemu != 0) {
1949 rebootemu = 0;
1950 SysReset();
1951 if (!Config.HLE && !Config.SlowBoot) {
1952 // skip BIOS logos
1953 psxRegs.pc = psxRegs.GPR.n.ra;
1954 }
1955 }
1956
1957 if (display_internal_fps) {
1958 frame_count++;
1959
1960 if (frame_count % INTERNAL_FPS_SAMPLE_PERIOD == 0) {
1961 unsigned internal_fps = pl_rearmed_cbs.flip_cnt * (is_pal_mode ? 50 : 60) / INTERNAL_FPS_SAMPLE_PERIOD;
1962 char str[64];
1963 const char *strc = (const char*)str;
1964 struct retro_message msg =
1965 {
1966 strc,
1967 180
1968 };
1969
1970 str[0] = '\0';
1971
1972 snprintf(str, sizeof(str), "Internal FPS: %2d", internal_fps);
1973
1974 pl_rearmed_cbs.flip_cnt = 0;
1975
1976 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, &msg);
1977 }
1978 }
1979 else
1980 frame_count = 0;
1981
1982 input_poll_cb();
1983
1984 bool updated = false;
1985 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
1986 update_variables(true);
1987
1988 // reset all keystate, query libretro for keystate
1989 int j;
1990 int lsx;
1991 int rsy;
1992 float negcon_twist_amplitude;
1993 int negcon_i_rs;
1994 int negcon_ii_rs;
1995 for(i = 0; i < PORTS_NUMBER; i++)
1996 {
1997 int16_t ret = 0;
1998 in_keystate[i] = 0;
1999
2000 if (in_type[i] == PSE_PAD_TYPE_NONE)
2001 continue;
2002
2003 if (libretro_supports_bitmasks)
2004 ret = input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_MASK);
2005 else
2006 {
2007 unsigned j;
2008 for (j = 0; j < (RETRO_DEVICE_ID_JOYPAD_R3+1); j++)
2009 {
2010 if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, j))
2011 ret |= (1 << j);
2012 }
2013 }
2014
2015 if (in_type[i] == PSE_PAD_TYPE_GUNCON)
2016 {
2017 //ToDo move across to:
2018 //RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X
2019 //RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y
2020 //RETRO_DEVICE_ID_LIGHTGUN_TRIGGER
2021 //RETRO_DEVICE_ID_LIGHTGUN_RELOAD
2022 //RETRO_DEVICE_ID_LIGHTGUN_AUX_A
2023 //RETRO_DEVICE_ID_LIGHTGUN_AUX_B
2024 //Though not sure these are hooked up properly on the Pi
2025
2026 //ToDo
2027 //Put the controller index back to i instead of hardcoding to 1 when the libretro overlay crash bug is fixed
2028 //This is required for 2 player
2029
2030 //GUNCON has 3 controls, Trigger,A,B which equal Circle,Start,Cross
2031
2032 // Trigger
2033 //The 1 is hardcoded instead of i to prevent the overlay mouse button libretro crash bug
2034 if (input_state_cb(1, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_LEFT)){
2035 in_keystate[i] |= (1 << DKEY_CIRCLE);
2036 }
2037
2038 // A
2039 if (input_state_cb(1, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_RIGHT)){
2040 in_keystate[i] |= (1 << DKEY_START);
2041 }
2042
2043 // B
2044 if (input_state_cb(1, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_MIDDLE)){
2045 in_keystate[i] |= (1 << DKEY_CROSS);
2046 }
2047
2048 //The 1 is hardcoded instead of i to prevent the overlay mouse button libretro crash bug
2049 int gunx = input_state_cb(1, RETRO_DEVICE_POINTER, 0, RETRO_DEVICE_ID_POINTER_X);
2050 int guny = input_state_cb(1, RETRO_DEVICE_POINTER, 0, RETRO_DEVICE_ID_POINTER_Y);
2051
2052 //This adjustment process gives the user the ability to manually align the mouse up better
2053 //with where the shots are in the emulator.
2054
2055 //Percentage distance of screen to adjust
2056 int GunconAdjustX = 0;
2057 int GunconAdjustY = 0;
2058
2059 //Used when out by a percentage
2060 float GunconAdjustRatioX = 1;
2061 float GunconAdjustRatioY = 1;
2062
2063 struct retro_variable var;
2064 var.value = NULL;
2065 var.key = "pcsx_rearmed_gunconadjustx";
2066 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2067 {
2068 GunconAdjustX = atoi(var.value);
2069 }
2070
2071 var.value = NULL;
2072 var.key = "pcsx_rearmed_gunconadjusty";
2073 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2074 {
2075 GunconAdjustY = atoi(var.value);
2076 }
2077
2078
2079 var.value = NULL;
2080 var.key = "pcsx_rearmed_gunconadjustratiox";
2081 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2082 {
2083 GunconAdjustRatioX = atof(var.value);
2084 }
2085
2086
2087 var.value = NULL;
2088 var.key = "pcsx_rearmed_gunconadjustratioy";
2089 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2090 {
2091 GunconAdjustRatioY = atof(var.value);
2092 }
2093
2094 //Mouse range is -32767 -> 32767
2095 //1% is about 655
2096 //Use the left analog stick field to store the absolute coordinates
2097 in_analog_left[0][0] = (gunx*GunconAdjustRatioX) + (GunconAdjustX * 655);
2098 in_analog_left[0][1] = (guny*GunconAdjustRatioY) + (GunconAdjustY * 655);
2099
2100
2101 }
2102 if (in_type[i] == PSE_PAD_TYPE_NEGCON)
2103 {
2104 // Query digital inputs
2105 //
2106 // > Pad-Up
2107 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_UP))
2108 in_keystate[i] |= (1 << DKEY_UP);
2109 // > Pad-Right
2110 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_RIGHT))
2111 in_keystate[i] |= (1 << DKEY_RIGHT);
2112 // > Pad-Down
2113 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_DOWN))
2114 in_keystate[i] |= (1 << DKEY_DOWN);
2115 // > Pad-Left
2116 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_LEFT))
2117 in_keystate[i] |= (1 << DKEY_LEFT);
2118 // > Start
2119 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_START))
2120 in_keystate[i] |= (1 << DKEY_START);
2121 // > neGcon A
2122 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_A))
2123 in_keystate[i] |= (1 << DKEY_CIRCLE);
2124 // > neGcon B
2125 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_X))
2126 in_keystate[i] |= (1 << DKEY_TRIANGLE);
2127 // > neGcon R shoulder (digital)
2128 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_R))
2129 in_keystate[i] |= (1 << DKEY_R1);
2130 // Query analog inputs
2131 //
2132 // From studying 'libpcsxcore/plugins.c' and 'frontend/plugin.c':
2133 // >> pad->leftJoyX == in_analog_left[i][0] == NeGcon II
2134 // >> pad->leftJoyY == in_analog_left[i][1] == NeGcon L
2135 // >> pad->rightJoyX == in_analog_right[i][0] == NeGcon twist
2136 // >> pad->rightJoyY == in_analog_right[i][1] == NeGcon I
2137 // So we just have to map in_analog_left/right to more
2138 // appropriate inputs...
2139 //
2140 // > NeGcon twist
2141 // >> Get raw analog stick value and account for deadzone
2142 lsx = input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X);
2143 if (lsx > negcon_deadzone)
2144 lsx = lsx - negcon_deadzone;
2145 else if (lsx < -negcon_deadzone)
2146 lsx = lsx + negcon_deadzone;
2147 else
2148 lsx = 0;
2149 // >> Convert to an 'amplitude' [-1.0,1.0] and adjust response
2150 negcon_twist_amplitude = (float)lsx / (float)(NEGCON_RANGE - negcon_deadzone);
2151 if (negcon_linearity == 2)
2152 {
2153 if (negcon_twist_amplitude < 0.0)
2154 negcon_twist_amplitude = -(negcon_twist_amplitude * negcon_twist_amplitude);
2155 else
2156 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude;
2157 }
2158 else if (negcon_linearity == 3)
2159 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude * negcon_twist_amplitude;
2160 // >> Convert to final 'in_analog' integer value [0,255]
2161 in_analog_right[i][0] = MAX(MIN((int)(negcon_twist_amplitude * 128.0f) + 128, 255), 0);
2162 // > NeGcon I + II
2163 // >> Handle right analog stick vertical axis mapping...
2164 // - Up (-Y) == accelerate == neGcon I
2165 // - Down (+Y) == brake == neGcon II
2166 negcon_i_rs = 0;
2167 negcon_ii_rs = 0;
2168 rsy = input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y);
2169 if (rsy >= 0){
2170 // Account for deadzone
2171 // (Note: have never encountered a gamepad with significant differences
2172 // in deadzone between left/right analog sticks, so use the regular 'twist'
2173 // deadzone here)
2174 if (rsy > negcon_deadzone)
2175 rsy = rsy - negcon_deadzone;
2176 else
2177 rsy = 0;
2178 // Convert to 'in_analog' integer value [0,255]
2179 negcon_ii_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
2180 } else {
2181 if (rsy < -negcon_deadzone)
2182 rsy = -1 * (rsy + negcon_deadzone);
2183 else
2184 rsy = 0;
2185 negcon_i_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
2186 }
2187 // >> NeGcon I
2188 in_analog_right[i][1] = MAX(
2189 MAX(
2190 get_analog_button(ret, input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_R2),
2191 get_analog_button(ret, input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_B)
2192 ),
2193 negcon_i_rs
2194 );
2195 // >> NeGcon II
2196 in_analog_left[i][0] = MAX(
2197 MAX(
2198 get_analog_button(ret, input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_L2),
2199 get_analog_button(ret, input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_Y)
2200 ),
2201 negcon_ii_rs
2202 );
2203 // > NeGcon L
2204 in_analog_left[i][1] = get_analog_button(ret, input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_L);
2205 }
2206 if (in_type[i] != PSE_PAD_TYPE_NEGCON && in_type[i] != PSE_PAD_TYPE_GUNCON)
2207 {
2208 // Query digital inputs
2209 for (j = 0; j < RETRO_PSX_MAP_LEN; j++)
2210 if (ret & (1 << j))
2211 in_keystate[i] |= retro_psx_map[j];
2212
2213 // Query analog inputs
2214 if (in_type[i] == PSE_PAD_TYPE_ANALOGJOY || in_type[i] == PSE_PAD_TYPE_ANALOGPAD)
2215 {
2216 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);
2217 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);
2218 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);
2219 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);
2220 }
2221 }
2222 }
2223
2224 stop = 0;
2225 psxCpu->Execute();
2226
2227 video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf_ptr : NULL,
2228 vout_width, vout_height, vout_width * 2);
2229 vout_fb_dirty = 0;
2230
2231 set_vout_fb();
2232}
2233
2234static bool try_use_bios(const char *path)
2235{
2236 FILE *f;
2237 long size;
2238 const char *name;
2239
2240 f = fopen(path, "rb");
2241 if (f == NULL)
2242 return false;
2243
2244 fseek(f, 0, SEEK_END);
2245 size = ftell(f);
2246 fclose(f);
2247
2248 if (size != 512 * 1024)
2249 return false;
2250
2251 name = strrchr(path, SLASH);
2252 if (name++ == NULL)
2253 name = path;
2254 snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
2255 return true;
2256}
2257
2258#ifndef VITA
2259#include <sys/types.h>
2260#include <dirent.h>
2261
2262static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
2263{
2264 DIR *dir;
2265 struct dirent *ent;
2266 bool ret = false;
2267
2268 dir = opendir(dirpath);
2269 if (dir == NULL)
2270 return false;
2271
2272 while ((ent = readdir(dir))) {
2273 if ((strncasecmp(ent->d_name, "scph", 4) != 0) && (strncasecmp(ent->d_name, "psx", 3) != 0))
2274 continue;
2275
2276 snprintf(path, path_size, "%s%c%s", dirpath, SLASH, ent->d_name);
2277 ret = try_use_bios(path);
2278 if (ret)
2279 break;
2280 }
2281 closedir(dir);
2282 return ret;
2283}
2284#else
2285#define find_any_bios(...) false
2286#endif
2287
2288static void check_system_specs(void)
2289{
2290 unsigned level = 6;
2291 environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
2292}
2293
2294static int init_memcards(void)
2295{
2296 int ret = 0;
2297 const char *dir;
2298 struct retro_variable var = { .key="pcsx_rearmed_memcard2", .value=NULL };
2299 static const char CARD2_FILE[] = "pcsx-card2.mcd";
2300
2301 // Memcard2 will be handled and is re-enabled if needed using core
2302 // operations.
2303 // Memcard1 is handled by libretro, doing this will set core to
2304 // skip file io operations for memcard1 like SaveMcd
2305 snprintf(Config.Mcd1, sizeof(Config.Mcd1), "none");
2306 snprintf(Config.Mcd2, sizeof(Config.Mcd2), "none");
2307 init_memcard(Mcd1Data);
2308 // Memcard 2 is managed by the emulator on the filesystem,
2309 // There is no need to initialize Mcd2Data like Mcd1Data.
2310
2311 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
2312 SysPrintf("Memcard 2: %s\n", var.value);
2313 if (memcmp(var.value, "enabled", 7) == 0) {
2314 if (environ_cb(RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY, &dir) && dir) {
2315 if (strlen(dir) + strlen(CARD2_FILE) + 2 > sizeof(Config.Mcd2)) {
2316 SysPrintf("Path '%s' is too long. Cannot use memcard 2. Use a shorter path.\n", dir);
2317 ret = -1;
2318 } else {
2319 McdDisable[1] = 0;
2320 snprintf(Config.Mcd2, sizeof(Config.Mcd2), "%s/%s", dir, CARD2_FILE);
2321 SysPrintf("Use memcard 2: %s\n", Config.Mcd2);
2322 }
2323 } else {
2324 SysPrintf("Could not get save directory! Could not create memcard 2.");
2325 ret = -1;
2326 }
2327 }
2328 }
2329 return ret;
2330}
2331
2332static void loadPSXBios(void)
2333{
2334 const char *dir;
2335 char path[PATH_MAX];
2336 unsigned useHLE = 0;
2337
2338 const char *bios[] = {
2339 "PSXONPSP660", "psxonpsp660",
2340 "SCPH101", "scph101",
2341 "SCPH5501", "scph5501",
2342 "SCPH7001", "scph7001",
2343 "SCPH1001", "scph1001"
2344 };
2345
2346 struct retro_variable var = {
2347 .key = "pcsx_rearmed_bios",
2348 .value = NULL
2349 };
2350
2351 found_bios = 0;
2352
2353 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
2354 if (!strcmp(var.value, "HLE"))
2355 useHLE = 1;
2356 }
2357
2358 if (!useHLE)
2359 {
2360 if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
2361 {
2362 unsigned i;
2363 snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s", dir);
2364
2365 for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++) {
2366 snprintf(path, sizeof(path), "%s%c%s.bin", dir, SLASH, bios[i]);
2367 found_bios = try_use_bios(path);
2368 if (found_bios)
2369 break;
2370 }
2371
2372 if (!found_bios)
2373 found_bios = find_any_bios(dir, path, sizeof(path));
2374 }
2375 if (found_bios) {
2376 SysPrintf("found BIOS file: %s\n", Config.Bios);
2377 }
2378 }
2379
2380 if (useHLE || !found_bios)
2381 {
2382 SysPrintf("no BIOS files found.\n");
2383 struct retro_message msg =
2384 {
2385 "No PlayStation BIOS file found - add for better compatibility",
2386 180
2387 };
2388 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, (void*)&msg);
2389 }
2390}
2391
2392void retro_init(void)
2393{
2394 struct retro_rumble_interface rumble;
2395 int ret;
2396
2397#ifdef __MACH__
2398 // magic sauce to make the dynarec work on iOS
2399 syscall(SYS_ptrace, 0 /*PTRACE_TRACEME*/, 0, 0, 0);
2400#endif
2401
2402#ifdef _3DS
2403 psxMapHook = pl_3ds_mmap;
2404 psxUnmapHook = pl_3ds_munmap;
2405#endif
2406#ifdef VITA
2407 if(init_vita_mmap()<0)
2408 abort();
2409 psxMapHook = pl_vita_mmap;
2410 psxUnmapHook = pl_vita_munmap;
2411#endif
2412 ret = emu_core_preinit();
2413#ifdef _3DS
2414 /* emu_core_preinit sets the cpu to dynarec */
2415 if(!__ctr_svchax)
2416 Config.Cpu = CPU_INTERPRETER;
2417#endif
2418 ret |= init_memcards();
2419
2420 ret |= emu_core_init();
2421 if (ret != 0) {
2422 SysPrintf("PCSX init failed.\n");
2423 exit(1);
2424 }
2425
2426#ifdef _3DS
2427 vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
2428#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && !defined(VITA)
2429 posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
2430#else
2431 vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
2432#endif
2433
2434 vout_buf_ptr = vout_buf;
2435
2436 loadPSXBios();
2437
2438 environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
2439 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
2440
2441 rumble_cb = NULL;
2442 if (environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble))
2443 rumble_cb = rumble.set_rumble_state;
2444
2445 /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
2446 * we have to do this because cache misses and some IO penalties
2447 * are not emulated. Warning: changing this may break compatibility. */
2448 cycle_multiplier = 175;
2449#ifdef HAVE_PRE_ARMV7
2450 cycle_multiplier = 200;
2451#endif
2452 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
2453 pl_rearmed_cbs.gpu_peops.dwActFixes = GPU_PEOPS_OLD_FRAME_SKIP;
2454 spu_config.iUseFixedUpdates = 1;
2455
2456 SaveFuncs.open = save_open;
2457 SaveFuncs.read = save_read;
2458 SaveFuncs.write = save_write;
2459 SaveFuncs.seek = save_seek;
2460 SaveFuncs.close = save_close;
2461
2462 if (environ_cb(RETRO_ENVIRONMENT_GET_INPUT_BITMASKS, NULL))
2463 libretro_supports_bitmasks = true;
2464
2465 update_variables(false);
2466 check_system_specs();
2467}
2468
2469void retro_deinit(void)
2470{
2471 ClosePlugins();
2472 SysClose();
2473#ifdef _3DS
2474 linearFree(vout_buf);
2475#else
2476 free(vout_buf);
2477#endif
2478 vout_buf = NULL;
2479
2480#ifdef VITA
2481 deinit_vita_mmap();
2482#endif
2483 libretro_supports_bitmasks = false;
2484}
2485
2486#ifdef VITA
2487#include <psp2/kernel/threadmgr.h>
2488int usleep (unsigned long us)
2489{
2490 sceKernelDelayThread(us);
2491}
2492#endif
2493
2494void SysPrintf(const char *fmt, ...) {
2495 va_list list;
2496 char msg[512];
2497
2498 va_start(list, fmt);
2499 vsprintf(msg, fmt, list);
2500 va_end(list);
2501
2502 if (log_cb)
2503 log_cb(RETRO_LOG_INFO, "%s", msg);
2504}
ARM optimized PCSX fork