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Merge pull request #67 from frangarcj/patch-1
[pcsx_rearmed.git] / frontend / libretro.c
CommitLineData
38c2028e 1/*
003cfc63 2 * (C) notaz, 2012,2014,2015
38c2028e 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
805fe9bc 8#define _GNU_SOURCE 1 // strcasestr
38c2028e 9#include <stdio.h>
10#include <stdlib.h>
11#include <string.h>
74ebc05b 12#include <strings.h>
d148d265 13#ifdef __MACH__
14#include <unistd.h>
15#include <sys/syscall.h>
16#endif
38c2028e 17
18#include "../libpcsxcore/misc.h"
19#include "../libpcsxcore/psxcounters.h"
87e5b45f 20#include "../libpcsxcore/psxmem_map.h"
38c2028e 21#include "../libpcsxcore/new_dynarec/new_dynarec.h"
23ea11bd 22#include "../libpcsxcore/cdrom.h"
23#include "../libpcsxcore/cdriso.h"
6e921e1d 24#include "../libpcsxcore/cheat.h"
07c13dfd 25#include "../plugins/dfsound/out.h"
01394a7f 26#include "../plugins/dfsound/spu_config.h"
805fe9bc 27#include "../plugins/dfinput/externals.h"
c82f907a 28#include "cspace.h"
38c2028e 29#include "main.h"
30#include "plugin.h"
31#include "plugin_lib.h"
ace14ab3 32#include "arm_features.h"
38c2028e 33#include "revision.h"
34#include "libretro.h"
35
fc99395c 36#ifdef _3DS
fc99395c 37#include "3ds/3ds_utils.h"
fc99395c 38#endif
39
8136cafb
AP		 40#define PORTS_NUMBER 8
41
38c2028e 42static retro_video_refresh_t video_cb;
43static retro_input_poll_t input_poll_cb;
44static retro_input_state_t input_state_cb;
45static retro_environment_t environ_cb;
46static retro_audio_sample_batch_t audio_batch_cb;
4e477065 47static struct retro_rumble_interface rumble;
38c2028e 48
49static void *vout_buf;
70d56ca3 50static int vout_width, vout_height;
51static int vout_doffs_old, vout_fb_dirty;
1a6164a1 52static bool vout_can_dupe;
0e5a7b7d 53static bool duping_enable;
70d56ca3 54
38c2028e 55static int plugins_opened;
17f84149 56static int is_pal_mode;
38c2028e 57
f9f60dae
TK		 58/* memory card data */
59extern char Mcd1Data[MCD_SIZE];
60extern char McdDisable[2];
38c2028e 61
62/* PCSX ReARMed core calls and stuff */
15504ca8
AP		 63int in_type[8] = { PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
64 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
65 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
66 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE };
61c4962a 67int in_analog_left[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
68int in_analog_right[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
3c0fb554 69unsigned short in_keystate[PORTS_NUMBER];
29f3675b 70int multitap1 = 0;
71int multitap2 = 0;
4e477065 72int in_enable_vibration = 1;
38c2028e 73
805fe9bc 74/* PSX max resolution is 640x512, but with enhancement it's 1024x512 */
75#define VOUT_MAX_WIDTH 1024
76#define VOUT_MAX_HEIGHT 512
77
7df396ea
TK		 78static void init_memcard(char *mcd_data)
79{
80 unsigned off = 0;
81 unsigned i;
82
83 memset(mcd_data, 0, MCD_SIZE);
84
85 mcd_data[off++] = 'M';
86 mcd_data[off++] = 'C';
87 off += 0x7d;
88 mcd_data[off++] = 0x0e;
89
90 for (i = 0; i < 15; i++) {
91 mcd_data[off++] = 0xa0;
92 off += 0x07;
93 mcd_data[off++] = 0xff;
94 mcd_data[off++] = 0xff;
95 off += 0x75;
96 mcd_data[off++] = 0xa0;
97 }
98
99 for (i = 0; i < 20; i++) {
100 mcd_data[off++] = 0xff;
101 mcd_data[off++] = 0xff;
102 mcd_data[off++] = 0xff;
103 mcd_data[off++] = 0xff;
104 off += 0x04;
105 mcd_data[off++] = 0xff;
106 mcd_data[off++] = 0xff;
107 off += 0x76;
108 }
109}
110
38c2028e 111static int vout_open(void)
112{
113 return 0;
114}
115
e4c83ca6 116static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
38c2028e 117{
70d56ca3 118 vout_width = w;
119 vout_height = h;
38c2028e 120}
121
cc4f9b70 122#ifndef FRONTEND_SUPPORTS_RGB565
9c59f120 123static void convert(void *buf, size_t bytes)
38c2028e 124{
125 unsigned int i, v, *p = buf;
126
9c59f120 127 for (i = 0; i < bytes / 4; i++) {
38c2028e 128 v = p[i];
129 p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0);
130 }
131}
46aa5b98 132#endif
38c2028e 133
fa56d360 134static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
38c2028e 135{
fa56d360 136 unsigned short *dest = vout_buf;
137 const unsigned short *src = vram;
70d56ca3 138 int dstride = vout_width, h1 = h;
139 int doffs;
38c2028e 140
fa56d360 141 if (vram == NULL) {
142 // blanking
cc56203b 143 memset(vout_buf, 0, dstride * h * 2);
fa56d360 144 goto out;
145 }
146
70d56ca3 147 doffs = (vout_height - h) * dstride;
148 doffs += (dstride - w) / 2 & ~1;
149 if (doffs != vout_doffs_old) {
150 // clear borders
151 memset(vout_buf, 0, dstride * h * 2);
152 vout_doffs_old = doffs;
153 }
154 dest += doffs;
155
fa56d360 156 if (bgr24)
157 {
158 // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here?
159 for (; h1-- > 0; dest += dstride, src += stride)
160 {
161 bgr888_to_rgb565(dest, src, w * 3);
162 }
163 }
164 else
165 {
166 for (; h1-- > 0; dest += dstride, src += stride)
167 {
168 bgr555_to_rgb565(dest, src, w * 2);
169 }
170 }
38c2028e 171
fa56d360 172out:
46aa5b98 173#ifndef FRONTEND_SUPPORTS_RGB565
70d56ca3 174 convert(vout_buf, vout_width * vout_height * 2);
46aa5b98 175#endif
70d56ca3 176 vout_fb_dirty = 1;
fa56d360 177 pl_rearmed_cbs.flip_cnt++;
38c2028e 178}
179
180static void vout_close(void)
181{
182}
183
fc99395c 184#ifdef _3DS
185typedef struct
186{
187 void* buffer;
188 uint32_t target_map;
189 size_t size;
190 enum psxMapTag tag;
191}psx_map_t;
192
193psx_map_t custom_psx_maps[] = {
194 {NULL, 0x13000000, 0x210000, MAP_TAG_RAM}, // 0x80000000
195 {NULL, 0x12800000, 0x010000, MAP_TAG_OTHER}, // 0x1f800000
196 {NULL, 0x12c00000, 0x080000, MAP_TAG_OTHER}, // 0x1fc00000
197 {NULL, 0x11000000, 0x800000, MAP_TAG_LUTS}, // 0x08000000
198 {NULL, 0x12000000, 0x200000, MAP_TAG_VRAM}, // 0x00000000
199};
200
201void* pl_3ds_mmap(unsigned long addr, size_t size, int is_fixed,
202 enum psxMapTag tag)
203{
204 (void)is_fixed;
205 (void)addr;
206
f72db18e 207 if (__ctr_svchax)
fc99395c 208 {
209 psx_map_t* custom_map = custom_psx_maps;
210
211 for (; custom_map->size; custom_map++)
212 {
213 if ((custom_map->size == size) && (custom_map->tag == tag))
214 {
215 uint32_t ptr_aligned, tmp;
216
217 custom_map->buffer = malloc(size + 0x1000);
218 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
219
f72db18e 220 if(svcControlMemory(&tmp, (void*)custom_map->target_map, (void*)ptr_aligned, size, MEMOP_MAP, 0x3) < 0)
fc99395c 221 {
222 SysPrintf("could not map memory @0x%08X\n", custom_map->target_map);
223 exit(1);
224 }
225
226 return (void*)custom_map->target_map;
227 }
228 }
229 }
230
231 return malloc(size);
232}
233
234void pl_3ds_munmap(void *ptr, size_t size, enum psxMapTag tag)
cc56203b 235{
fc99395c 236 (void)tag;
237
f72db18e 238 if (__ctr_svchax)
fc99395c 239 {
240 psx_map_t* custom_map = custom_psx_maps;
241
242 for (; custom_map->size; custom_map++)
243 {
244 if ((custom_map->target_map == (uint32_t)ptr))
245 {
246 uint32_t ptr_aligned, tmp;
247
248 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
249
f72db18e 250 svcControlMemory(&tmp, (void*)custom_map->target_map, (void*)ptr_aligned, size, MEMOP_UNMAP, 0x3);
fc99395c 251
252 free(custom_map->buffer);
253 custom_map->buffer = NULL;
254 return;
255 }
256 }
257 }
258
259 free(ptr);
260}
261#endif
262
1a5fd794 263#ifdef VITA
264typedef struct
265{
266 void* buffer;
267 uint32_t target_map;
268 size_t size;
269 enum psxMapTag tag;
270}psx_map_t;
271
272psx_map_t custom_psx_maps[] = {
273 {NULL, NULL, 0x210000, MAP_TAG_RAM}, // 0x80000000
274 {NULL, NULL, 0x010000, MAP_TAG_OTHER}, // 0x1f800000
275 {NULL, NULL, 0x080000, MAP_TAG_OTHER}, // 0x1fc00000
276 {NULL, NULL, 0x800000, MAP_TAG_LUTS}, // 0x08000000
277 {NULL, NULL, 0x200000, MAP_TAG_VRAM}, // 0x00000000
278};
279
280void* pl_vita_mmap(unsigned long addr, size_t size, int is_fixed,
281 enum psxMapTag tag)
282{
283 (void)is_fixed;
284 (void)addr;
285
286
287 psx_map_t* custom_map = custom_psx_maps;
288
289 for (; custom_map->size; custom_map++)
290 {
291 if ((custom_map->size == size) && (custom_map->tag == tag))
292 {
293 int block, ret;
294 char blockname[32];
295 sprintf(blockname, "CODE 0x%08X",tag);
296
ed0896e7 297 block = sceKernelAllocMemBlock(blockname, 0x0c20d060, size + 0x1000, 0);
1a5fd794 298 if(block<=0){
299 sceClibPrintf("could not alloc mem block @0x%08X 0x%08X \n", block, tag);
300 exit(1);
301 }
302
303 // get base address
304 ret = sceKernelGetMemBlockBase(block, &custom_map->buffer);
305 if (ret < 0)
306 {
307 sceClibPrintf("could get address @0x%08X 0x%08X 0x%08X \n", block, ret, tag);
308 exit(1);
309 }
9facb65b 310 custom_map->buffer = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
1a5fd794 311 custom_map->target_map = block;
312
313 return custom_map->buffer;
314 }
315 }
316
317
318 return malloc(size);
319}
320
321void pl_vita_munmap(void *ptr, size_t size, enum psxMapTag tag)
322{
323 (void)tag;
324
325 psx_map_t* custom_map = custom_psx_maps;
326
327 for (; custom_map->size; custom_map++)
328 {
329 if ((custom_map->buffer == ptr))
330 {
331 sceKernelFreeMemBlock(custom_map->target_map);
332 custom_map->buffer = NULL;
333 custom_map->target_map = NULL;
334 return;
335 }
336 }
337
338 free(ptr);
339}
340#endif
341
fc99395c 342static void *pl_mmap(unsigned int size)
ace14ab3 343{
87e5b45f 344 return psxMap(0, size, 0, MAP_TAG_VRAM);
cc56203b 345}
346
347static void pl_munmap(void *ptr, unsigned int size)
348{
87e5b45f 349 psxUnmap(ptr, size, MAP_TAG_VRAM);
cc56203b 350}
351
38c2028e 352struct rearmed_cbs pl_rearmed_cbs = {
353 .pl_vout_open = vout_open,
354 .pl_vout_set_mode = vout_set_mode,
355 .pl_vout_flip = vout_flip,
356 .pl_vout_close = vout_close,
cc56203b 357 .mmap = pl_mmap,
358 .munmap = pl_munmap,
38c2028e 359 /* from psxcounters */
360 .gpu_hcnt = &hSyncCount,
361 .gpu_frame_count = &frame_counter,
362};
363
364void pl_frame_limit(void)
365{
366 /* called once per frame, make psxCpu->Execute() above return */
367 stop = 1;
368}
369
370void pl_timing_prepare(int is_pal)
371{
17f84149 372 is_pal_mode = is_pal;
38c2028e 373}
374
d71c7095 375void plat_trigger_vibrate(int pad, int low, int high)
38c2028e 376{
4e477065 377 rumble.set_rumble_state(pad, RETRO_RUMBLE_STRONG, high << 8);
378 rumble.set_rumble_state(pad, RETRO_RUMBLE_WEAK, low ? 0xffff : 0x0);
38c2028e 379}
380
e4c83ca6 381void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in)
38c2028e 382{
383}
384
385/* sound calls */
07c13dfd 386static int snd_init(void)
38c2028e 387{
07c13dfd 388 return 0;
38c2028e 389}
390
07c13dfd 391static void snd_finish(void)
38c2028e 392{
393}
394
07c13dfd 395static int snd_busy(void)
38c2028e 396{
db126209 397 return 0;
38c2028e 398}
399
07c13dfd 400static void snd_feed(void *buf, int bytes)
38c2028e 401{
db126209 402 if (audio_batch_cb != NULL)
403 audio_batch_cb(buf, bytes / 4);
38c2028e 404}
405
07c13dfd 406void out_register_libretro(struct out_driver *drv)
407{
408 drv->name = "libretro";
409 drv->init = snd_init;
410 drv->finish = snd_finish;
411 drv->busy = snd_busy;
412 drv->feed = snd_feed;
413}
414
38c2028e 415/* libretro */
e268a47e 416void retro_set_environment(retro_environment_t cb)
417{
e268a47e 418 static const struct retro_variable vars[] = {
4e477065 419 { "pcsx_rearmed_frameskip", "Frameskip; 0|1|2|3" },
420 { "pcsx_rearmed_region", "Region; Auto|NTSC|PAL" },
8c047f6f
AP		 421 { "pcsx_rearmed_pad1type", "Pad 1 Type; default|none|standard|analog|negcon" },
422 { "pcsx_rearmed_pad2type", "Pad 2 Type; default|none|standard|analog|negcon" },
423 { "pcsx_rearmed_pad3type", "Pad 3 Type; default|none|standard|analog|negcon" },
424 { "pcsx_rearmed_pad4type", "Pad 4 Type; default|none|standard|analog|negcon" },
425 { "pcsx_rearmed_pad5type", "Pad 5 Type; default|none|standard|analog|negcon" },
426 { "pcsx_rearmed_pad6type", "Pad 6 Type; default|none|standard|analog|negcon" },
427 { "pcsx_rearmed_pad7type", "Pad 7 Type; default|none|standard|analog|negcon" },
428 { "pcsx_rearmed_pad8type", "Pad 8 Type; default|none|standard|analog|negcon" },
30d43b8a
AP		 429 { "pcsx_rearmed_multitap1", "Multitap 1; auto|disabled|enabled" },
430 { "pcsx_rearmed_multitap2", "Multitap 2; auto|disabled|enabled" },
48f615ba 431#ifndef DRC_DISABLE
4e477065 432 { "pcsx_rearmed_drc", "Dynamic recompiler; enabled|disabled" },
48f615ba 433#endif
7d68d030 434#ifdef __ARM_NEON__
55e5626b 435 { "pcsx_rearmed_neon_interlace_enable", "Enable interlacing mode(s); disabled|enabled" },
436 { "pcsx_rearmed_neon_enhancement_enable", "Enhanced resolution (slow); disabled|enabled" },
437 { "pcsx_rearmed_neon_enhancement_no_main", "Enhanced resolution speed hack; disabled|enabled" },
7d68d030 438#endif
0e5a7b7d 439 { "pcsx_rearmed_duping_enable", "Frame duping; on|off" },
01394a7f 440 { "pcsx_rearmed_spu_reverb", "Sound: Reverb; on|off" },
441 { "pcsx_rearmed_spu_interpolation", "Sound: Interpolation; simple|gaussian|cubic|off" },
b3480be8 442 { "pcsx_rearmed_pe2_fix", "Parasite Eve 2/Vandal Hearts 1/2 Fix; disabled|enabled" },
443 { "pcsx_rearmed_inuyasha_fix", "InuYasha Sengoku Battle Fix; disabled|enabled" },
e268a47e 444 { NULL, NULL },
445 };
446
447 environ_cb = cb;
448
449 cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void*)vars);
e268a47e 450}
451
38c2028e 452void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
453void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
454void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
455void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
456void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
457
458unsigned retro_api_version(void)
459{
460 return RETRO_API_VERSION;
461}
462
15504ca8 463static int controller_port_variable(unsigned port, struct retro_variable *var)
8136cafb
AP		 464{
465 if (port >= PORTS_NUMBER)
15504ca8 466 return 0;
8136cafb 467
15504ca8
AP		 468 if (!environ_cb)
469 return 0;
8136cafb 470
15504ca8 471 var->value = NULL;
a06f5a70
AP		 472 switch (port) {
473 case 0:
15504ca8 474 var->key = "pcsx_rearmed_pad1type";
a06f5a70
AP		 475 break;
476 case 1:
15504ca8 477 var->key = "pcsx_rearmed_pad2type";
a06f5a70
AP		 478 break;
479 case 2:
15504ca8 480 var->key = "pcsx_rearmed_pad3type";
a06f5a70
AP		 481 break;
482 case 3:
15504ca8 483 var->key = "pcsx_rearmed_pad4type";
a06f5a70
AP		 484 break;
485 case 4:
15504ca8 486 var->key = "pcsx_rearmed_pad5type";
a06f5a70
AP		 487 break;
488 case 5:
15504ca8 489 var->key = "pcsx_rearmed_pad6type";
a06f5a70
AP		 490 break;
491 case 6:
15504ca8 492 var->key = "pcsx_rearmed_pad7type";
a06f5a70
AP		 493 break;
494 case 7:
15504ca8 495 var->key = "pcsx_rearmed_pad8type";
a06f5a70
AP		 496 break;
497 }
498
15504ca8
AP		 499 return environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, var) || var->value;
500}
501
502static void update_controller_port_variable(unsigned port)
503{
504 if (port >= PORTS_NUMBER)
505 return;
506
507 struct retro_variable var;
508
509 if (controller_port_variable(port, &var))
8136cafb 510 {
3c0fb554
AP		 511 if (strcmp(var.value, "standard") == 0)
512 in_type[0] = PSE_PAD_TYPE_STANDARD;
513 else if (strcmp(var.value, "analog") == 0)
8136cafb
AP		 514 in_type[0] = PSE_PAD_TYPE_ANALOGPAD;
515 else if (strcmp(var.value, "negcon") == 0)
516 in_type[0] = PSE_PAD_TYPE_NEGCON;
8c047f6f 517 else if (strcmp(var.value, "none") == 0)
3c0fb554 518 in_type[0] = PSE_PAD_TYPE_NONE;
15504ca8 519 // else 'default' case, do nothing
3dc2e39e 520 }
15504ca8 521}
3dc2e39e 522
15504ca8
AP		 523static void update_controller_port_device(unsigned port, unsigned device)
524{
525 if (port >= PORTS_NUMBER)
526 return;
527
528 struct retro_variable var;
529
530 if (!controller_port_variable(port, &var))
531 return;
532
533 if (strcmp(var.value, "default") != 0)
534 return;
535
536 switch (device)
537 {
538 case RETRO_DEVICE_JOYPAD:
539 in_type[port] = PSE_PAD_TYPE_STANDARD;
540 break;
541 case RETRO_DEVICE_ANALOG:
542 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
543 break;
544 case RETRO_DEVICE_MOUSE:
545 in_type[port] = PSE_PAD_TYPE_MOUSE;
546 break;
547 case RETRO_DEVICE_LIGHTGUN:
548 in_type[port] = PSE_PAD_TYPE_GUN;
549 break;
550 case RETRO_DEVICE_NONE:
551 default:
552 in_type[port] = PSE_PAD_TYPE_NONE;
553 }
8136cafb
AP		 554}
555
30d43b8a
AP		 556static void update_multitap()
557{
558 struct retro_variable var;
6cdf212f 559 int auto_case, port;
30d43b8a
AP		 560
561 var.value = NULL;
562 var.key = "pcsx_rearmed_multitap1";
3dc2e39e
AP		 563 auto_case = 0;
564 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value))
30d43b8a
AP		 565 {
566 if (strcmp(var.value, "enabled") == 0)
567 multitap1 = 1;
568 else if (strcmp(var.value, "disabled") == 0)
569 multitap1 = 0;
570 else // 'auto' case
3dc2e39e
AP		 571 auto_case = 1;
572 }
573 else
15504ca8 574 auto_case = 1;
3dc2e39e
AP		 575
576 if (auto_case)
577 {
578 // If a gamepad is plugged after port 2, we need a first multitap.
579 multitap1 = 0;
6cdf212f 580 for (port = 2; port < PORTS_NUMBER; port++)
3dc2e39e 581 multitap1 |= in_type[port] != PSE_PAD_TYPE_NONE;
30d43b8a
AP		 582 }
583
584 var.value = NULL;
585 var.key = "pcsx_rearmed_multitap2";
3dc2e39e
AP		 586 auto_case = 0;
587 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value))
30d43b8a
AP		 588 {
589 if (strcmp(var.value, "enabled") == 0)
590 multitap2 = 1;
591 else if (strcmp(var.value, "disabled") == 0)
592 multitap2 = 0;
593 else // 'auto' case
3dc2e39e
AP		 594 auto_case = 1;
595 }
596 else
15504ca8 597 auto_case = 1;
3dc2e39e
AP		 598
599 if (auto_case)
600 {
601 // If a gamepad is plugged after port 4, we need a second multitap.
602 multitap2 = 0;
6cdf212f 603 for (port = 4; port < PORTS_NUMBER; port++)
3dc2e39e 604 multitap2 |= in_type[port] != PSE_PAD_TYPE_NONE;
30d43b8a
AP		 605 }
606}
607
38c2028e 608void retro_set_controller_port_device(unsigned port, unsigned device)
609{
ace14ab3 610 SysPrintf("port %u device %u",port,device);
8c047f6f
AP		 611
612 if (port >= PORTS_NUMBER)
613 return;
614
615 update_controller_port_device(port, device);
616 update_multitap();
38c2028e 617}
618
619void retro_get_system_info(struct retro_system_info *info)
620{
621 memset(info, 0, sizeof(*info));
622 info->library_name = "PCSX-ReARMed";
bf48d3aa 623 info->library_version = "r22";
9fba39a9 624 info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u";
38c2028e 625 info->need_fullpath = true;
626}
627
628void retro_get_system_av_info(struct retro_system_av_info *info)
629{
630 memset(info, 0, sizeof(*info));
17f84149 631 info->timing.fps = is_pal_mode ? 50 : 60;
38c2028e 632 info->timing.sample_rate = 44100;
633 info->geometry.base_width = 320;
634 info->geometry.base_height = 240;
805fe9bc 635 info->geometry.max_width = VOUT_MAX_WIDTH;
636 info->geometry.max_height = VOUT_MAX_HEIGHT;
38c2028e 637 info->geometry.aspect_ratio = 4.0 / 3.0;
638}
639
6e921e1d 640/* savestates */
ace14ab3 641size_t retro_serialize_size(void)
642{
03f55e6b 643 // it's currently 4380651-4397047 bytes,
644 // but have some reserved for future
645 return 0x440000;
6e921e1d 646}
647
648struct save_fp {
649 char *buf;
650 size_t pos;
651 int is_write;
652};
653
654static void *save_open(const char *name, const char *mode)
655{
656 struct save_fp *fp;
657
658 if (name == NULL || mode == NULL)
659 return NULL;
660
661 fp = malloc(sizeof(*fp));
662 if (fp == NULL)
663 return NULL;
664
665 fp->buf = (char *)name;
666 fp->pos = 0;
667 fp->is_write = (mode[0] == 'w' || mode[1] == 'w');
668
669 return fp;
670}
671
672static int save_read(void *file, void *buf, u32 len)
673{
674 struct save_fp *fp = file;
675 if (fp == NULL || buf == NULL)
676 return -1;
677
678 memcpy(buf, fp->buf + fp->pos, len);
679 fp->pos += len;
680 return len;
681}
682
683static int save_write(void *file, const void *buf, u32 len)
684{
685 struct save_fp *fp = file;
686 if (fp == NULL || buf == NULL)
687 return -1;
688
689 memcpy(fp->buf + fp->pos, buf, len);
690 fp->pos += len;
691 return len;
692}
693
694static long save_seek(void *file, long offs, int whence)
695{
696 struct save_fp *fp = file;
697 if (fp == NULL)
698 return -1;
699
700 switch (whence) {
701 case SEEK_CUR:
702 fp->pos += offs;
703 return fp->pos;
704 case SEEK_SET:
705 fp->pos = offs;
706 return fp->pos;
707 default:
708 return -1;
709 }
710}
711
712static void save_close(void *file)
713{
714 struct save_fp *fp = file;
715 size_t r_size = retro_serialize_size();
716 if (fp == NULL)
717 return;
718
719 if (fp->pos > r_size)
720 SysPrintf("ERROR: save buffer overflow detected\n");
721 else if (fp->is_write && fp->pos < r_size)
722 // make sure we don't save trash in leftover space
723 memset(fp->buf + fp->pos, 0, r_size - fp->pos);
724 free(fp);
38c2028e 725}
726
727bool retro_serialize(void *data, size_t size)
ace14ab3 728{
6e921e1d 729 int ret = SaveState(data);
730 return ret == 0 ? true : false;
38c2028e 731}
732
733bool retro_unserialize(const void *data, size_t size)
734{
6e921e1d 735 int ret = LoadState(data);
736 return ret == 0 ? true : false;
38c2028e 737}
738
23ea11bd 739/* cheats */
38c2028e 740void retro_cheat_reset(void)
741{
6e921e1d 742 ClearAllCheats();
38c2028e 743}
744
745void retro_cheat_set(unsigned index, bool enabled, const char *code)
746{
6e921e1d 747 char buf[256];
748 int ret;
749
750 // cheat funcs are destructive, need a copy..
751 strncpy(buf, code, sizeof(buf));
752 buf[sizeof(buf) - 1] = 0;
753
754 if (index < NumCheats)
755 ret = EditCheat(index, "", buf);
756 else
757 ret = AddCheat("", buf);
758
759 if (ret != 0)
760 SysPrintf("Failed to set cheat %#u\n", index);
761 else if (index < NumCheats)
762 Cheats[index].Enabled = enabled;
38c2028e 763}
764
23ea11bd 765/* multidisk support */
766static bool disk_ejected;
767static unsigned int disk_current_index;
51ba7408 768static unsigned int disk_count;
23ea11bd 769static struct disks_state {
770 char *fname;
771 int internal_index; // for multidisk eboots
772} disks[8];
773
774static bool disk_set_eject_state(bool ejected)
775{
776 // weird PCSX API..
777 SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2));
778 LidInterrupt();
779
780 disk_ejected = ejected;
781 return true;
782}
783
784static bool disk_get_eject_state(void)
785{
786 /* can't be controlled by emulated software */
787 return disk_ejected;
788}
789
790static unsigned int disk_get_image_index(void)
791{
792 return disk_current_index;
793}
794
795static bool disk_set_image_index(unsigned int index)
796{
797 if (index >= sizeof(disks) / sizeof(disks[0]))
798 return false;
799
800 CdromId[0] = '\0';
801 CdromLabel[0] = '\0';
802
803 if (disks[index].fname == NULL) {
804 SysPrintf("missing disk #%u\n", index);
805 CDR_shutdown();
806
807 // RetroArch specifies "no disk" with index == count,
808 // so don't fail here..
809 disk_current_index = index;
810 return true;
811 }
812
813 SysPrintf("switching to disk %u: \"%s\" #%d\n", index,
814 disks[index].fname, disks[index].internal_index);
815
816 cdrIsoMultidiskSelect = disks[index].internal_index;
817 set_cd_image(disks[index].fname);
818 if (ReloadCdromPlugin() < 0) {
819 SysPrintf("failed to load cdr plugin\n");
820 return false;
821 }
822 if (CDR_open() < 0) {
823 SysPrintf("failed to open cdr plugin\n");
824 return false;
825 }
826
827 if (!disk_ejected) {
828 SetCdOpenCaseTime(time(NULL) + 2);
829 LidInterrupt();
830 }
831
832 disk_current_index = index;
833 return true;
834}
835
836static unsigned int disk_get_num_images(void)
837{
51ba7408 838 return disk_count;
23ea11bd 839}
840
841static bool disk_replace_image_index(unsigned index,
842 const struct retro_game_info *info)
843{
844 char *old_fname;
845 bool ret = true;
846
847 if (index >= sizeof(disks) / sizeof(disks[0]))
848 return false;
849
850 old_fname = disks[index].fname;
851 disks[index].fname = NULL;
852 disks[index].internal_index = 0;
853
854 if (info != NULL) {
855 disks[index].fname = strdup(info->path);
856 if (index == disk_current_index)
857 ret = disk_set_image_index(index);
858 }
859
860 if (old_fname != NULL)
861 free(old_fname);
862
863 return ret;
864}
865
866static bool disk_add_image_index(void)
867{
51ba7408
T		 868 if (disk_count >= 8)
869 return false;
870
871 disk_count++;
23ea11bd 872 return true;
873}
874
875static struct retro_disk_control_callback disk_control = {
876 .set_eject_state = disk_set_eject_state,
877 .get_eject_state = disk_get_eject_state,
878 .get_image_index = disk_get_image_index,
879 .set_image_index = disk_set_image_index,
880 .get_num_images = disk_get_num_images,
881 .replace_image_index = disk_replace_image_index,
882 .add_image_index = disk_add_image_index,
883};
884
9fba39a9
T		 885// just in case, maybe a win-rt port in the future?
886#ifdef _WIN32
887#define SLASH '\\'
888#else
889#define SLASH '/'
890#endif
891
892static char base_dir[PATH_MAX];
893
894static bool read_m3u(const char *file)
895{
896 char line[PATH_MAX];
897 char name[PATH_MAX];
9fba39a9
T		 898 FILE *f = fopen(file, "r");
899 if (!f)
900 return false;
901
51ba7408 902 while (fgets(line, sizeof(line), f) && disk_count < sizeof(disks) / sizeof(disks[0])) {
9fba39a9
T		 903 if (line[0] == '#')
904 continue;
905 char *carrige_return = strchr(line, '\r');
906 if (carrige_return)
907 *carrige_return = '\0';
908 char *newline = strchr(line, '\n');
909 if (newline)
910 *newline = '\0';
911
912 if (line[0] != '\0')
913 {
914 snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
51ba7408 915 disks[disk_count++].fname = strdup(name);
9fba39a9
T		 916 }
917 }
918
919 fclose(f);
51ba7408 920 return (disk_count != 0);
9fba39a9
T		 921}
922
923static void extract_directory(char *buf, const char *path, size_t size)
924{
925 char *base;
926 strncpy(buf, path, size - 1);
927 buf[size - 1] = '\0';
928
929 base = strrchr(buf, '/');
930 if (!base)
931 base = strrchr(buf, '\\');
932
933 if (base)
934 *base = '\0';
935 else
936 {
937 buf[0] = '.';
938 buf[1] = '\0';
939 }
940}
941
003cfc63 942#if defined(__QNX__) || defined(_WIN32)
41294f4d 943/* Blackberry QNX doesn't have strcasestr */
944
945/*
946 * Find the first occurrence of find in s, ignore case.
947 */
948char *
949strcasestr(const char *s, const char*find)
950{
951 char c, sc;
952 size_t len;
953
954 if ((c = *find++) != 0) {
955 c = tolower((unsigned char)c);
956 len = strlen(find);
957 do {
958 do {
959 if ((sc = *s++) == 0)
960 return (NULL);
961 } while ((char)tolower((unsigned char)sc) != c);
962 } while (strncasecmp(s, find, len) != 0);
963 s--;
964 }
965 return ((char *)s);
966}
967#endif
968
38c2028e 969bool retro_load_game(const struct retro_game_info *info)
970{
23ea11bd 971 size_t i;
9fba39a9
T		 972 bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
973
e3f8313f 974 struct retro_input_descriptor desc[] = {
975 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
976 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
977 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
978 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
979 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
980 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
981 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
982 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
983 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
984 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
985 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
986 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
987 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
988 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
989 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
990 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
3e24db84 991 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
992 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
993 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
994 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
995
e3f8313f 996
997 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
998 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
999 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1000 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1001 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1002 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1003 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1004 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1005 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1006 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1007 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1008 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1009 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1010 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1011 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1012 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
3e24db84 1013 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1014 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1015 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1016 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
e3f8313f 1017
1018 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1019 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1020 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1021 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1022 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1023 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1024 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1025 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1026 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1027 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1028 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1029 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1030 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1031 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1032 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1033 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
3e24db84 1034 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1035 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1036 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1037 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
e3f8313f 1038
1039 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1040 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1041 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1042 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1043 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1044 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1045 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1046 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1047 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1048 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1049 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1050 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1051 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1052 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1053 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1054 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
3e24db84 1055 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1056 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1057 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1058 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
e3f8313f 1059
1060 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1061 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1062 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1063 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1064 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1065 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1066 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1067 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1068 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1069 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1070 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1071 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1072 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1073 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1074 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1075 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
3e24db84 1076 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1077 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1078 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1079 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
e3f8313f 1080
1081 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1082 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1083 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1084 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1085 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1086 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1087 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1088 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1089 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1090 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1091 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1092 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1093 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1094 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1095 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
ace14ab3 1096 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
3e24db84 1097 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1098 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1099 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1100 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
e3f8313f 1101
1102 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1103 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1104 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1105 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1106 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1107 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1108 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1109 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1110 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1111 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1112 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1113 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1114 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1115 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1116 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
ace14ab3 1117 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
3e24db84 1118 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1119 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1120 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1121 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
e3f8313f 1122
1123 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1124 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1125 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1126 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1127 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1128 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1129 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1130 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1131 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1132 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1133 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1134 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1135 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1136 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1137 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
ace14ab3 1138 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
3e24db84 1139 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1140 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1141 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1142 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
e3f8313f 1143
1144 { 0 },
1145 };
1146
1147 environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
1148
46aa5b98 1149#ifdef FRONTEND_SUPPORTS_RGB565
c19aba43 1150 enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
9f766dbe 1151 if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) {
f29fbd53 1152 SysPrintf("RGB565 supported, using it\n");
c19aba43 1153 }
46aa5b98 1154#endif
c19aba43 1155
23ea11bd 1156 if (info == NULL || info->path == NULL) {
1157 SysPrintf("info->path required\n");
1158 return false;
1159 }
1160
38c2028e 1161 if (plugins_opened) {
1162 ClosePlugins();
1163 plugins_opened = 0;
1164 }
1165
23ea11bd 1166 for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++) {
1167 if (disks[i].fname != NULL) {
1168 free(disks[i].fname);
1169 disks[i].fname = NULL;
1170 }
1171 disks[i].internal_index = 0;
1172 }
1173
1174 disk_current_index = 0;
9fba39a9
T		 1175 extract_directory(base_dir, info->path, sizeof(base_dir));
1176
1177 if (is_m3u) {
1178 if (!read_m3u(info->path)) {
1179 SysPrintf("failed to read m3u file\n");
1180 return false;
1181 }
51ba7408
T		 1182 } else {
1183 disk_count = 1;
9fba39a9 1184 disks[0].fname = strdup(info->path);
51ba7408 1185 }
23ea11bd 1186
1187 set_cd_image(disks[0].fname);
38c2028e 1188
1189 /* have to reload after set_cd_image for correct cdr plugin */
1190 if (LoadPlugins() == -1) {
f29fbd53 1191 SysPrintf("failed to load plugins\n");
38c2028e 1192 return false;
1193 }
1194
1195 plugins_opened = 1;
1196 NetOpened = 0;
1197
1198 if (OpenPlugins() == -1) {
f29fbd53 1199 SysPrintf("failed to open plugins\n");
38c2028e 1200 return false;
1201 }
1202
1203 plugin_call_rearmed_cbs();
19a784e6 1204 dfinput_activate();
38c2028e 1205
1206 Config.PsxAuto = 1;
1207 if (CheckCdrom() == -1) {
f29fbd53 1208 SysPrintf("unsupported/invalid CD image: %s\n", info->path);
38c2028e 1209 return false;
1210 }
1211
1212 SysReset();
1213
1214 if (LoadCdrom() == -1) {
f29fbd53 1215 SysPrintf("could not load CD-ROM!\n");
38c2028e 1216 return false;
1217 }
79f216e3 1218 emu_on_new_cd(0);
38c2028e 1219
23ea11bd 1220 // multidisk images
9fba39a9 1221 if (!is_m3u) {
51ba7408 1222 disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8;
9fba39a9
T		 1223 for (i = 1; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++) {
1224 disks[i].fname = strdup(info->path);
1225 disks[i].internal_index = i;
1226 }
23ea11bd 1227 }
1228
38c2028e 1229 return true;
1230}
1231
1232bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info)
1233{
1234 return false;
1235}
1236
ace14ab3 1237void retro_unload_game(void)
38c2028e 1238{
1239}
1240
1241unsigned retro_get_region(void)
1242{
17f84149 1243 return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
38c2028e 1244}
1245
1246void *retro_get_memory_data(unsigned id)
1247{
b40a83db
T		 1248 if (id == RETRO_MEMORY_SAVE_RAM)
1249 return Mcd1Data;
1250 else
1251 return NULL;
38c2028e 1252}
1253
1254size_t retro_get_memory_size(unsigned id)
1255{
b40a83db
T		 1256 if (id == RETRO_MEMORY_SAVE_RAM)
1257 return MCD_SIZE;
1258 else
1259 return 0;
38c2028e 1260}
1261
1262void retro_reset(void)
1263{
1264 SysReset();
1265}
1266
1267static const unsigned short retro_psx_map[] = {
1268 [RETRO_DEVICE_ID_JOYPAD_B] = 1 << DKEY_CROSS,
1269 [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << DKEY_SQUARE,
1270 [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT,
1271 [RETRO_DEVICE_ID_JOYPAD_START] = 1 << DKEY_START,
1272 [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << DKEY_UP,
1273 [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << DKEY_DOWN,
1274 [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << DKEY_LEFT,
1275 [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << DKEY_RIGHT,
1276 [RETRO_DEVICE_ID_JOYPAD_A] = 1 << DKEY_CIRCLE,
1277 [RETRO_DEVICE_ID_JOYPAD_X] = 1 << DKEY_TRIANGLE,
1278 [RETRO_DEVICE_ID_JOYPAD_L] = 1 << DKEY_L1,
1279 [RETRO_DEVICE_ID_JOYPAD_R] = 1 << DKEY_R1,
1280 [RETRO_DEVICE_ID_JOYPAD_L2] = 1 << DKEY_L2,
1281 [RETRO_DEVICE_ID_JOYPAD_R2] = 1 << DKEY_R2,
1282 [RETRO_DEVICE_ID_JOYPAD_L3] = 1 << DKEY_L3,
1283 [RETRO_DEVICE_ID_JOYPAD_R3] = 1 << DKEY_R3,
1284};
1285#define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
1286
805fe9bc 1287static void update_variables(bool in_flight)
e268a47e 1288{
e268a47e 1289 struct retro_variable var;
6cdf212f 1290 int i;
ace14ab3 1291
e268a47e 1292 var.value = NULL;
4e477065 1293 var.key = "pcsx_rearmed_frameskip";
7d68d030 1294 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1295 pl_rearmed_cbs.frameskip = atoi(var.value);
9f5a28d9 1296
1297 var.value = NULL;
4e477065 1298 var.key = "pcsx_rearmed_region";
9f5a28d9 1299 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1300 {
1301 Config.PsxAuto = 0;
1302 if (strcmp(var.value, "Automatic") == 0)
1303 Config.PsxAuto = 1;
1304 else if (strcmp(var.value, "NTSC") == 0)
1305 Config.PsxType = 0;
1306 else if (strcmp(var.value, "PAL") == 0)
1307 Config.PsxType = 1;
1308 }
4615b075 1309
6cdf212f 1310 for (i = 0; i < PORTS_NUMBER; i++)
15504ca8 1311 update_controller_port_variable(i);
61c4962a 1312
30d43b8a 1313 update_multitap();
61c4962a 1314
7d68d030 1315#ifdef __ARM_NEON__
9f5a28d9 1316 var.value = "NULL";
55e5626b 1317 var.key = "pcsx_rearmed_neon_interlace_enable";
9f5a28d9 1318
1319 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1320 {
1321 if (strcmp(var.value, "disabled") == 0)
1322 pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
1323 else if (strcmp(var.value, "enabled") == 0)
1324 pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
1325 }
1326
7d68d030 1327 var.value = NULL;
55e5626b 1328 var.key = "pcsx_rearmed_neon_enhancement_enable";
7d68d030 1329
1330 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1331 {
1332 if (strcmp(var.value, "disabled") == 0)
1333 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
1334 else if (strcmp(var.value, "enabled") == 0)
1335 pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
1336 }
354329fa 1337
1338 var.value = NULL;
55e5626b 1339 var.key = "pcsx_rearmed_neon_enhancement_no_main";
354329fa 1340
1341 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1342 {
1343 if (strcmp(var.value, "disabled") == 0)
1344 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
1345 else if (strcmp(var.value, "enabled") == 0)
1346 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1;
1347 }
094ec204 1348#endif
0e5a7b7d 1349
1350 var.value = "NULL";
1351 var.key = "pcsx_rearmed_duping_enable";
1352
1353 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1354 {
1355 if (strcmp(var.value, "off") == 0)
1356 duping_enable = false;
1357 else if (strcmp(var.value, "on") == 0)
1358 duping_enable = true;
1359 }
1360
48f615ba 1361#ifndef DRC_DISABLE
1362 var.value = NULL;
4e477065 1363 var.key = "pcsx_rearmed_drc";
48f615ba 1364
1365 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1366 {
1367 R3000Acpu *prev_cpu = psxCpu;
1368
fc99395c 1369#ifdef _3DS
f72db18e 1370 if(!__ctr_svchax)
fc99395c 1371 Config.Cpu = CPU_INTERPRETER;
1372 else
1373#endif
48f615ba 1374 if (strcmp(var.value, "disabled") == 0)
1375 Config.Cpu = CPU_INTERPRETER;
1376 else if (strcmp(var.value, "enabled") == 0)
1377 Config.Cpu = CPU_DYNAREC;
1378
1379 psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
1380 if (psxCpu != prev_cpu) {
1381 prev_cpu->Shutdown();
1382 psxCpu->Init();
1383 psxCpu->Reset(); // not really a reset..
1384 }
1385 }
1386#endif
805fe9bc 1387
01394a7f 1388 var.value = "NULL";
1389 var.key = "pcsx_rearmed_spu_reverb";
1390
1391 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1392 {
1393 if (strcmp(var.value, "off") == 0)
1394 spu_config.iUseReverb = false;
1395 else if (strcmp(var.value, "on") == 0)
1396 spu_config.iUseReverb = true;
1397 }
1398
1399 var.value = "NULL";
1400 var.key = "pcsx_rearmed_spu_interpolation";
1401
1402 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1403 {
1404 if (strcmp(var.value, "simple") == 0)
1405 spu_config.iUseInterpolation = 1;
1406 else if (strcmp(var.value, "gaussian") == 0)
1407 spu_config.iUseInterpolation = 2;
1408 else if (strcmp(var.value, "cubic") == 0)
1409 spu_config.iUseInterpolation = 3;
1410 else if (strcmp(var.value, "off") == 0)
1411 spu_config.iUseInterpolation = 0;
1412 }
1413
b3480be8 1414 var.value = "NULL";
1415 var.key = "pcsx_rearmed_pe2_fix";
1416
1417 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1418 {
1419 if (strcmp(var.value, "disabled") == 0)
1420 Config.RCntFix = 0;
1421 else if (strcmp(var.value, "enabled") == 0)
1422 Config.RCntFix = 1;
1423 }
ace14ab3 1424
b3480be8 1425 var.value = "NULL";
1426 var.key = "pcsx_rearmed_inuyasha_fix";
1427
1428 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1429 {
1430 if (strcmp(var.value, "disabled") == 0)
1431 Config.VSyncWA = 0;
1432 else if (strcmp(var.value, "enabled") == 0)
1433 Config.VSyncWA = 1;
1434 }
1435
32ab9e53
TJ		 1436 if (in_flight) {
1437 // inform core things about possible config changes
1438 plugin_call_rearmed_cbs();
805fe9bc 1439
32ab9e53
TJ		 1440 if (GPU_open != NULL && GPU_close != NULL) {
1441 GPU_close();
1442 GPU_open(&gpuDisp, "PCSX", NULL);
1443 }
805fe9bc 1444
32ab9e53
TJ		 1445 dfinput_activate();
1446 }
e268a47e 1447}
1448
ace14ab3 1449void retro_run(void)
38c2028e 1450{
3b1a5e21 1451 int i;
38c2028e 1452
1453 input_poll_cb();
e268a47e 1454
805fe9bc 1455 bool updated = false;
1456 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
1457 update_variables(true);
e268a47e 1458
3b1a5e21 1459 // reset all keystate, query libretro for keystate
61c4962a 1460 int j;
3c0fb554 1461 for(i = 0; i < PORTS_NUMBER; i++) {
61c4962a 1462 in_keystate[i] = 0;
3c0fb554
AP		 1463
1464 if (in_type[i] == PSE_PAD_TYPE_NONE)
1465 continue;
1466
3b1a5e21 1467 // query libretro for keystate
1468 for (j = 0; j < RETRO_PSX_MAP_LEN; j++)
61c4962a 1469 if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, j))
1470 in_keystate[i] |= retro_psx_map[j];
56abf614 1471
1472 if (in_type[i] == PSE_PAD_TYPE_ANALOGPAD)
1473 {
1474 in_analog_left[i][0] = (input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X) / 256) + 128;
1475 in_analog_left[i][1] = (input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y) / 256) + 128;
1476 in_analog_right[i][0] = (input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X) / 256) + 128;
1477 in_analog_right[i][1] = (input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y) / 256) + 128;
1478 }
61c4962a 1479 }
e8d96071 1480
38c2028e 1481 stop = 0;
1482 psxCpu->Execute();
1483
0e5a7b7d 1484 video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf : NULL,
1a6164a1 1485 vout_width, vout_height, vout_width * 2);
70d56ca3 1486 vout_fb_dirty = 0;
38c2028e 1487}
1488
74ebc05b 1489static bool try_use_bios(const char *path)
1490{
1491 FILE *f;
1492 long size;
1493 const char *name;
1494
1495 f = fopen(path, "rb");
1496 if (f == NULL)
1497 return false;
1498
1499 fseek(f, 0, SEEK_END);
1500 size = ftell(f);
1501 fclose(f);
1502
1503 if (size != 512 * 1024)
1504 return false;
1505
1506 name = strrchr(path, SLASH);
1507 if (name++ == NULL)
1508 name = path;
1509 snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
1510 return true;
1511}
1512
c4052f4d 1513#ifndef VITA
74ebc05b 1514#include <sys/types.h>
1515#include <dirent.h>
1516
1517static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
1518{
1519 DIR *dir;
1520 struct dirent *ent;
1521 bool ret = false;
1522
1523 dir = opendir(dirpath);
1524 if (dir == NULL)
1525 return false;
1526
1527 while ((ent = readdir(dir))) {
1528 if (strncasecmp(ent->d_name, "scph", 4) != 0)
1529 continue;
1530
1531 snprintf(path, path_size, "%s/%s", dirpath, ent->d_name);
1532 ret = try_use_bios(path);
1533 if (ret)
1534 break;
1535 }
1536 closedir(dir);
1537 return ret;
1538}
1539#else
1540#define find_any_bios(...) false
1541#endif
1542
11813b9d 1543static void check_system_specs(void)
1544{
1545 unsigned level = 6;
1546 environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
1547}
1548
38c2028e 1549void retro_init(void)
1550{
1551 const char *bios[] = { "scph1001", "scph5501", "scph7001" };
1552 const char *dir;
1553 char path[256];
1e1cccd9 1554 int i, ret;
74ebc05b 1555 bool found_bios = false;
38c2028e 1556
d148d265 1557#ifdef __MACH__
1558 // magic sauce to make the dynarec work on iOS
1559 syscall(SYS_ptrace, 0 /*PTRACE_TRACEME*/, 0, 0, 0);
1560#endif
1561
fc99395c 1562#ifdef _3DS
fc99395c 1563 psxMapHook = pl_3ds_mmap;
1564 psxUnmapHook = pl_3ds_munmap;
1a5fd794 1565#endif
1566#ifdef VITA
1567 psxMapHook = pl_vita_mmap;
1568 psxUnmapHook = pl_vita_munmap;
fc99395c 1569#endif
38c2028e 1570 ret = emu_core_preinit();
e4d84733 1571#ifdef _3DS
1572 /* emu_core_preinit sets the cpu to dynarec */
f72db18e 1573 if(!__ctr_svchax)
e4d84733 1574 Config.Cpu = CPU_INTERPRETER;
1575#endif
38c2028e 1576 ret |= emu_core_init();
1577 if (ret != 0) {
f29fbd53 1578 SysPrintf("PCSX init failed.\n");
38c2028e 1579 exit(1);
1580 }
1581
0b7f536b 1582#ifdef _3DS
1583 vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
1584#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && !defined(VITA)
a9579f3b 1585 posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
29122437
TJ		 1586#else
1587 vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
1588#endif
38c2028e 1589
1590 if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
1591 {
fc99395c 1592 snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s", dir);
38c2028e 1593
1594 for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++) {
1595 snprintf(path, sizeof(path), "%s/%s.bin", dir, bios[i]);
74ebc05b 1596 found_bios = try_use_bios(path);
1597 if (found_bios)
38c2028e 1598 break;
38c2028e 1599 }
74ebc05b 1600
1601 if (!found_bios)
1602 found_bios = find_any_bios(dir, path, sizeof(path));
38c2028e 1603 }
74ebc05b 1604 if (found_bios) {
f29fbd53 1605 SysPrintf("found BIOS file: %s\n", Config.Bios);
38c2028e 1606 }
1607 else
74ebc05b 1608 {
f29fbd53 1609 SysPrintf("no BIOS files found.\n");
ace14ab3 1610 struct retro_message msg =
74ebc05b 1611 {
1612 "no BIOS found, expect bugs!",
1613 180
1614 };
1615 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, (void*)&msg);
1616 }
38c2028e 1617
1a6164a1 1618 environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
23ea11bd 1619 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
4e477065 1620 environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble);
1a6164a1 1621
5ca2ec64 1622 /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
1623 * we have to do this because cache misses and some IO penalties
1624 * are not emulated. Warning: changing this may break compatibility. */
5ca2ec64 1625 cycle_multiplier = 175;
ace14ab3 1626#ifdef HAVE_PRE_ARMV7
5ca2ec64 1627 cycle_multiplier = 200;
1628#endif
46b3a2fc 1629 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
1e0eac23 1630 spu_config.iUseFixedUpdates = 1;
5ca2ec64 1631
f9f60dae
TK		 1632 McdDisable[0] = 0;
1633 McdDisable[1] = 1;
7df396ea 1634 init_memcard(Mcd1Data);
6e921e1d 1635
1636 SaveFuncs.open = save_open;
1637 SaveFuncs.read = save_read;
1638 SaveFuncs.write = save_write;
1639 SaveFuncs.seek = save_seek;
1640 SaveFuncs.close = save_close;
e268a47e 1641
805fe9bc 1642 update_variables(false);
32ab9e53 1643 check_system_specs();
38c2028e 1644}
1645
1646void retro_deinit(void)
1647{
1648 SysClose();
0b7f536b 1649#ifdef _3DS
1650 linearFree(vout_buf);
1651#else
38c2028e 1652 free(vout_buf);
0b7f536b 1653#endif
38c2028e 1654 vout_buf = NULL;
1655}
c4052f4d 1656
1657#ifdef VITA
1658#include <psp2/kernel/threadmgr.h>
1659int usleep (unsigned long us)
1660{
1661 sceKernelDelayThread(us);
1662}
1663#endif
ARM optimized PCSX fork