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Merge pull request #99 from orbea/revert-97-error
[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
47624ecf 42#define ISHEXDEC ((buf[cursor]>='0') && (buf[cursor]<='9')) || ((buf[cursor]>='a') && (buf[cursor]<='f')) || ((buf[cursor]>='A') && (buf[cursor]<='F'))
43
726da67c 44//hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
45int rebootemu = 0;
46
38c2028e 47static retro_video_refresh_t video_cb;
48static retro_input_poll_t input_poll_cb;
49static retro_input_state_t input_state_cb;
50static retro_environment_t environ_cb;
51static retro_audio_sample_batch_t audio_batch_cb;
4e477065 52static struct retro_rumble_interface rumble;
38c2028e 53
54static void *vout_buf;
65a0505f 55static void * vout_buf_ptr;
70d56ca3 56static int vout_width, vout_height;
57static int vout_doffs_old, vout_fb_dirty;
1a6164a1 58static bool vout_can_dupe;
0e5a7b7d 59static bool duping_enable;
b580cc4f 60static bool found_bios;
70d56ca3 61
38c2028e 62static int plugins_opened;
17f84149 63static int is_pal_mode;
38c2028e 64
f9f60dae
TK		 65/* memory card data */
66extern char Mcd1Data[MCD_SIZE];
67extern char McdDisable[2];
38c2028e 68
69/* PCSX ReARMed core calls and stuff */
15504ca8
AP		 70int in_type[8] = { PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
71 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
72 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
73 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE };
61c4962a 74int in_analog_left[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
75int in_analog_right[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
3c0fb554 76unsigned short in_keystate[PORTS_NUMBER];
29f3675b 77int multitap1 = 0;
78int multitap2 = 0;
4e477065 79int in_enable_vibration = 1;
38c2028e 80
805fe9bc 81/* PSX max resolution is 640x512, but with enhancement it's 1024x512 */
82#define VOUT_MAX_WIDTH 1024
83#define VOUT_MAX_HEIGHT 512
84
7df396ea
TK		 85static void init_memcard(char *mcd_data)
86{
87 unsigned off = 0;
88 unsigned i;
89
90 memset(mcd_data, 0, MCD_SIZE);
91
92 mcd_data[off++] = 'M';
93 mcd_data[off++] = 'C';
94 off += 0x7d;
95 mcd_data[off++] = 0x0e;
96
97 for (i = 0; i < 15; i++) {
98 mcd_data[off++] = 0xa0;
99 off += 0x07;
100 mcd_data[off++] = 0xff;
101 mcd_data[off++] = 0xff;
102 off += 0x75;
103 mcd_data[off++] = 0xa0;
104 }
105
106 for (i = 0; i < 20; i++) {
107 mcd_data[off++] = 0xff;
108 mcd_data[off++] = 0xff;
109 mcd_data[off++] = 0xff;
110 mcd_data[off++] = 0xff;
111 off += 0x04;
112 mcd_data[off++] = 0xff;
113 mcd_data[off++] = 0xff;
114 off += 0x76;
115 }
116}
117
38c2028e 118static int vout_open(void)
119{
120 return 0;
121}
122
e4c83ca6 123static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
38c2028e 124{
70d56ca3 125 vout_width = w;
126 vout_height = h;
6558949c
FJGG		 127
128 struct retro_framebuffer fb = {0};
129
130 fb.width = vout_width;
131 fb.height = vout_height;
132 fb.access_flags = RETRO_MEMORY_ACCESS_WRITE;
133
134 vout_buf_ptr = vout_buf;
135
136 if (environ_cb(RETRO_ENVIRONMENT_GET_CURRENT_SOFTWARE_FRAMEBUFFER, &fb) && fb.format == RETRO_PIXEL_FORMAT_RGB565)
137 {
138 vout_buf_ptr = (uint16_t*)fb.data;
139 }
140
38c2028e 141}
142
cc4f9b70 143#ifndef FRONTEND_SUPPORTS_RGB565
9c59f120 144static void convert(void *buf, size_t bytes)
38c2028e 145{
146 unsigned int i, v, *p = buf;
147
9c59f120 148 for (i = 0; i < bytes / 4; i++) {
38c2028e 149 v = p[i];
150 p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0);
151 }
152}
46aa5b98 153#endif
38c2028e 154
fa56d360 155static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
38c2028e 156{
65a0505f 157 unsigned short *dest = vout_buf_ptr;
fa56d360 158 const unsigned short *src = vram;
70d56ca3 159 int dstride = vout_width, h1 = h;
160 int doffs;
38c2028e 161
fa56d360 162 if (vram == NULL) {
163 // blanking
65a0505f 164 memset(vout_buf_ptr, 0, dstride * h * 2);
fa56d360 165 goto out;
166 }
167
70d56ca3 168 doffs = (vout_height - h) * dstride;
169 doffs += (dstride - w) / 2 & ~1;
170 if (doffs != vout_doffs_old) {
171 // clear borders
65a0505f 172 memset(vout_buf_ptr, 0, dstride * h * 2);
70d56ca3 173 vout_doffs_old = doffs;
174 }
175 dest += doffs;
176
fa56d360 177 if (bgr24)
178 {
179 // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here?
180 for (; h1-- > 0; dest += dstride, src += stride)
181 {
182 bgr888_to_rgb565(dest, src, w * 3);
183 }
184 }
185 else
186 {
187 for (; h1-- > 0; dest += dstride, src += stride)
188 {
189 bgr555_to_rgb565(dest, src, w * 2);
190 }
191 }
38c2028e 192
fa56d360 193out:
46aa5b98 194#ifndef FRONTEND_SUPPORTS_RGB565
65a0505f 195 convert(vout_buf_ptr, vout_width * vout_height * 2);
46aa5b98 196#endif
70d56ca3 197 vout_fb_dirty = 1;
fa56d360 198 pl_rearmed_cbs.flip_cnt++;
38c2028e 199}
200
201static void vout_close(void)
202{
203}
204
fc99395c 205#ifdef _3DS
206typedef struct
207{
208 void* buffer;
209 uint32_t target_map;
210 size_t size;
211 enum psxMapTag tag;
212}psx_map_t;
213
214psx_map_t custom_psx_maps[] = {
215 {NULL, 0x13000000, 0x210000, MAP_TAG_RAM}, // 0x80000000
216 {NULL, 0x12800000, 0x010000, MAP_TAG_OTHER}, // 0x1f800000
217 {NULL, 0x12c00000, 0x080000, MAP_TAG_OTHER}, // 0x1fc00000
218 {NULL, 0x11000000, 0x800000, MAP_TAG_LUTS}, // 0x08000000
219 {NULL, 0x12000000, 0x200000, MAP_TAG_VRAM}, // 0x00000000
220};
221
222void* pl_3ds_mmap(unsigned long addr, size_t size, int is_fixed,
223 enum psxMapTag tag)
224{
225 (void)is_fixed;
226 (void)addr;
227
f72db18e 228 if (__ctr_svchax)
fc99395c 229 {
230 psx_map_t* custom_map = custom_psx_maps;
231
232 for (; custom_map->size; custom_map++)
233 {
234 if ((custom_map->size == size) && (custom_map->tag == tag))
235 {
236 uint32_t ptr_aligned, tmp;
237
238 custom_map->buffer = malloc(size + 0x1000);
239 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
240
f72db18e 241 if(svcControlMemory(&tmp, (void*)custom_map->target_map, (void*)ptr_aligned, size, MEMOP_MAP, 0x3) < 0)
fc99395c 242 {
243 SysPrintf("could not map memory @0x%08X\n", custom_map->target_map);
244 exit(1);
245 }
246
247 return (void*)custom_map->target_map;
248 }
249 }
250 }
251
252 return malloc(size);
253}
254
255void pl_3ds_munmap(void *ptr, size_t size, enum psxMapTag tag)
cc56203b 256{
fc99395c 257 (void)tag;
258
f72db18e 259 if (__ctr_svchax)
fc99395c 260 {
261 psx_map_t* custom_map = custom_psx_maps;
262
263 for (; custom_map->size; custom_map++)
264 {
265 if ((custom_map->target_map == (uint32_t)ptr))
266 {
267 uint32_t ptr_aligned, tmp;
268
269 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
270
f72db18e 271 svcControlMemory(&tmp, (void*)custom_map->target_map, (void*)ptr_aligned, size, MEMOP_UNMAP, 0x3);
fc99395c 272
273 free(custom_map->buffer);
274 custom_map->buffer = NULL;
275 return;
276 }
277 }
278 }
279
280 free(ptr);
281}
282#endif
283
1a5fd794 284#ifdef VITA
285typedef struct
286{
287 void* buffer;
288 uint32_t target_map;
289 size_t size;
290 enum psxMapTag tag;
291}psx_map_t;
292
73081f23
FJGG		 293void* addr = NULL;
294
1a5fd794 295psx_map_t custom_psx_maps[] = {
296 {NULL, NULL, 0x210000, MAP_TAG_RAM}, // 0x80000000
297 {NULL, NULL, 0x010000, MAP_TAG_OTHER}, // 0x1f800000
298 {NULL, NULL, 0x080000, MAP_TAG_OTHER}, // 0x1fc00000
299 {NULL, NULL, 0x800000, MAP_TAG_LUTS}, // 0x08000000
300 {NULL, NULL, 0x200000, MAP_TAG_VRAM}, // 0x00000000
301};
302
73081f23
FJGG		 303int init_vita_mmap(){
304 int n;
848b806c 305 void * tmpaddr;
73081f23
FJGG		 306 addr = malloc(64*1024*1024);
307 if(addr==NULL)
308 return -1;
848b806c
FJGG		 309 tmpaddr = ((u32)(addr+0xFFFFFF))&~0xFFFFFF;
310 custom_psx_maps[0].buffer=tmpaddr+0x2000000;
311 custom_psx_maps[1].buffer=tmpaddr+0x1800000;
312 custom_psx_maps[2].buffer=tmpaddr+0x1c00000;
313 custom_psx_maps[3].buffer=tmpaddr+0x0000000;
314 custom_psx_maps[4].buffer=tmpaddr+0x1000000;
73081f23
FJGG		 315#if 0
316 for(n = 0; n < 5; n++){
317 sceClibPrintf("addr reserved %x\n",custom_psx_maps[n].buffer);
318 }
319#endif
320 return 0;
321}
322
323void deinit_vita_mmap(){
324 free(addr);
325}
326
1a5fd794 327void* pl_vita_mmap(unsigned long addr, size_t size, int is_fixed,
328 enum psxMapTag tag)
329{
330 (void)is_fixed;
331 (void)addr;
332
333
334 psx_map_t* custom_map = custom_psx_maps;
335
336 for (; custom_map->size; custom_map++)
337 {
338 if ((custom_map->size == size) && (custom_map->tag == tag))
339 {
1a5fd794 340 return custom_map->buffer;
341 }
342 }
343
344
345 return malloc(size);
346}
347
348void pl_vita_munmap(void *ptr, size_t size, enum psxMapTag tag)
349{
350 (void)tag;
351
352 psx_map_t* custom_map = custom_psx_maps;
353
354 for (; custom_map->size; custom_map++)
355 {
356 if ((custom_map->buffer == ptr))
357 {
1a5fd794 358 return;
359 }
360 }
361
362 free(ptr);
363}
364#endif
365
fc99395c 366static void *pl_mmap(unsigned int size)
ace14ab3 367{
87e5b45f 368 return psxMap(0, size, 0, MAP_TAG_VRAM);
cc56203b 369}
370
371static void pl_munmap(void *ptr, unsigned int size)
372{
87e5b45f 373 psxUnmap(ptr, size, MAP_TAG_VRAM);
cc56203b 374}
375
38c2028e 376struct rearmed_cbs pl_rearmed_cbs = {
377 .pl_vout_open = vout_open,
378 .pl_vout_set_mode = vout_set_mode,
379 .pl_vout_flip = vout_flip,
380 .pl_vout_close = vout_close,
cc56203b 381 .mmap = pl_mmap,
382 .munmap = pl_munmap,
38c2028e 383 /* from psxcounters */
384 .gpu_hcnt = &hSyncCount,
385 .gpu_frame_count = &frame_counter,
386};
387
388void pl_frame_limit(void)
389{
390 /* called once per frame, make psxCpu->Execute() above return */
391 stop = 1;
392}
393
394void pl_timing_prepare(int is_pal)
395{
17f84149 396 is_pal_mode = is_pal;
38c2028e 397}
398
d71c7095 399void plat_trigger_vibrate(int pad, int low, int high)
38c2028e 400{
4e477065 401 rumble.set_rumble_state(pad, RETRO_RUMBLE_STRONG, high << 8);
402 rumble.set_rumble_state(pad, RETRO_RUMBLE_WEAK, low ? 0xffff : 0x0);
38c2028e 403}
404
e4c83ca6 405void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in)
38c2028e 406{
407}
408
409/* sound calls */
07c13dfd 410static int snd_init(void)
38c2028e 411{
07c13dfd 412 return 0;
38c2028e 413}
414
07c13dfd 415static void snd_finish(void)
38c2028e 416{
417}
418
07c13dfd 419static int snd_busy(void)
38c2028e 420{
db126209 421 return 0;
38c2028e 422}
423
07c13dfd 424static void snd_feed(void *buf, int bytes)
38c2028e 425{
db126209 426 if (audio_batch_cb != NULL)
427 audio_batch_cb(buf, bytes / 4);
38c2028e 428}
429
07c13dfd 430void out_register_libretro(struct out_driver *drv)
431{
432 drv->name = "libretro";
433 drv->init = snd_init;
434 drv->finish = snd_finish;
435 drv->busy = snd_busy;
436 drv->feed = snd_feed;
437}
438
38c2028e 439/* libretro */
e268a47e 440void retro_set_environment(retro_environment_t cb)
441{
e268a47e 442 static const struct retro_variable vars[] = {
4e477065 443 { "pcsx_rearmed_frameskip", "Frameskip; 0|1|2|3" },
444 { "pcsx_rearmed_region", "Region; Auto|NTSC|PAL" },
8c047f6f
AP		 445 { "pcsx_rearmed_pad1type", "Pad 1 Type; default|none|standard|analog|negcon" },
446 { "pcsx_rearmed_pad2type", "Pad 2 Type; default|none|standard|analog|negcon" },
447 { "pcsx_rearmed_pad3type", "Pad 3 Type; default|none|standard|analog|negcon" },
448 { "pcsx_rearmed_pad4type", "Pad 4 Type; default|none|standard|analog|negcon" },
449 { "pcsx_rearmed_pad5type", "Pad 5 Type; default|none|standard|analog|negcon" },
450 { "pcsx_rearmed_pad6type", "Pad 6 Type; default|none|standard|analog|negcon" },
451 { "pcsx_rearmed_pad7type", "Pad 7 Type; default|none|standard|analog|negcon" },
452 { "pcsx_rearmed_pad8type", "Pad 8 Type; default|none|standard|analog|negcon" },
30d43b8a
AP		 453 { "pcsx_rearmed_multitap1", "Multitap 1; auto|disabled|enabled" },
454 { "pcsx_rearmed_multitap2", "Multitap 2; auto|disabled|enabled" },
48f615ba 455#ifndef DRC_DISABLE
4e477065 456 { "pcsx_rearmed_drc", "Dynamic recompiler; enabled|disabled" },
48f615ba 457#endif
7d68d030 458#ifdef __ARM_NEON__
55e5626b 459 { "pcsx_rearmed_neon_interlace_enable", "Enable interlacing mode(s); disabled|enabled" },
460 { "pcsx_rearmed_neon_enhancement_enable", "Enhanced resolution (slow); disabled|enabled" },
461 { "pcsx_rearmed_neon_enhancement_no_main", "Enhanced resolution speed hack; disabled|enabled" },
7d68d030 462#endif
0e5a7b7d 463 { "pcsx_rearmed_duping_enable", "Frame duping; on|off" },
b580cc4f 464 { "pcsx_rearmed_show_bios_bootlogo", "Show Bios Bootlogo; on|off" },
01394a7f 465 { "pcsx_rearmed_spu_reverb", "Sound: Reverb; on|off" },
466 { "pcsx_rearmed_spu_interpolation", "Sound: Interpolation; simple|gaussian|cubic|off" },
b3480be8 467 { "pcsx_rearmed_pe2_fix", "Parasite Eve 2/Vandal Hearts 1/2 Fix; disabled|enabled" },
468 { "pcsx_rearmed_inuyasha_fix", "InuYasha Sengoku Battle Fix; disabled|enabled" },
e268a47e 469 { NULL, NULL },
470 };
471
472 environ_cb = cb;
473
474 cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void*)vars);
e268a47e 475}
476
38c2028e 477void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
478void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
479void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
480void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
481void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
482
483unsigned retro_api_version(void)
484{
485 return RETRO_API_VERSION;
486}
487
15504ca8 488static int controller_port_variable(unsigned port, struct retro_variable *var)
8136cafb
AP		 489{
490 if (port >= PORTS_NUMBER)
15504ca8 491 return 0;
8136cafb 492
15504ca8
AP		 493 if (!environ_cb)
494 return 0;
8136cafb 495
15504ca8 496 var->value = NULL;
a06f5a70
AP		 497 switch (port) {
498 case 0:
15504ca8 499 var->key = "pcsx_rearmed_pad1type";
a06f5a70
AP		 500 break;
501 case 1:
15504ca8 502 var->key = "pcsx_rearmed_pad2type";
a06f5a70
AP		 503 break;
504 case 2:
15504ca8 505 var->key = "pcsx_rearmed_pad3type";
a06f5a70
AP		 506 break;
507 case 3:
15504ca8 508 var->key = "pcsx_rearmed_pad4type";
a06f5a70
AP		 509 break;
510 case 4:
15504ca8 511 var->key = "pcsx_rearmed_pad5type";
a06f5a70
AP		 512 break;
513 case 5:
15504ca8 514 var->key = "pcsx_rearmed_pad6type";
a06f5a70
AP		 515 break;
516 case 6:
15504ca8 517 var->key = "pcsx_rearmed_pad7type";
a06f5a70
AP		 518 break;
519 case 7:
15504ca8 520 var->key = "pcsx_rearmed_pad8type";
a06f5a70
AP		 521 break;
522 }
523
15504ca8
AP		 524 return environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, var) || var->value;
525}
526
527static void update_controller_port_variable(unsigned port)
528{
529 if (port >= PORTS_NUMBER)
530 return;
531
532 struct retro_variable var;
533
534 if (controller_port_variable(port, &var))
8136cafb 535 {
3c0fb554 536 if (strcmp(var.value, "standard") == 0)
8342a300 537 in_type[port] = PSE_PAD_TYPE_STANDARD;
3c0fb554 538 else if (strcmp(var.value, "analog") == 0)
8342a300 539 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
8136cafb 540 else if (strcmp(var.value, "negcon") == 0)
8342a300 541 in_type[port] = PSE_PAD_TYPE_NEGCON;
8c047f6f 542 else if (strcmp(var.value, "none") == 0)
8342a300 543 in_type[port] = PSE_PAD_TYPE_NONE;
15504ca8 544 // else 'default' case, do nothing
3dc2e39e 545 }
15504ca8 546}
3dc2e39e 547
15504ca8
AP		 548static void update_controller_port_device(unsigned port, unsigned device)
549{
550 if (port >= PORTS_NUMBER)
551 return;
552
553 struct retro_variable var;
554
555 if (!controller_port_variable(port, &var))
556 return;
557
558 if (strcmp(var.value, "default") != 0)
559 return;
560
561 switch (device)
562 {
563 case RETRO_DEVICE_JOYPAD:
564 in_type[port] = PSE_PAD_TYPE_STANDARD;
565 break;
566 case RETRO_DEVICE_ANALOG:
567 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
568 break;
569 case RETRO_DEVICE_MOUSE:
570 in_type[port] = PSE_PAD_TYPE_MOUSE;
571 break;
572 case RETRO_DEVICE_LIGHTGUN:
573 in_type[port] = PSE_PAD_TYPE_GUN;
574 break;
575 case RETRO_DEVICE_NONE:
576 default:
577 in_type[port] = PSE_PAD_TYPE_NONE;
578 }
8136cafb
AP		 579}
580
30d43b8a
AP		 581static void update_multitap()
582{
583 struct retro_variable var;
6cdf212f 584 int auto_case, port;
30d43b8a
AP		 585
586 var.value = NULL;
587 var.key = "pcsx_rearmed_multitap1";
3dc2e39e
AP		 588 auto_case = 0;
589 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value))
30d43b8a
AP		 590 {
591 if (strcmp(var.value, "enabled") == 0)
592 multitap1 = 1;
593 else if (strcmp(var.value, "disabled") == 0)
594 multitap1 = 0;
595 else // 'auto' case
3dc2e39e
AP		 596 auto_case = 1;
597 }
598 else
15504ca8 599 auto_case = 1;
3dc2e39e
AP		 600
601 if (auto_case)
602 {
603 // If a gamepad is plugged after port 2, we need a first multitap.
604 multitap1 = 0;
6cdf212f 605 for (port = 2; port < PORTS_NUMBER; port++)
3dc2e39e 606 multitap1 |= in_type[port] != PSE_PAD_TYPE_NONE;
30d43b8a
AP		 607 }
608
609 var.value = NULL;
610 var.key = "pcsx_rearmed_multitap2";
3dc2e39e
AP		 611 auto_case = 0;
612 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value))
30d43b8a
AP		 613 {
614 if (strcmp(var.value, "enabled") == 0)
615 multitap2 = 1;
616 else if (strcmp(var.value, "disabled") == 0)
617 multitap2 = 0;
618 else // 'auto' case
3dc2e39e
AP		 619 auto_case = 1;
620 }
621 else
15504ca8 622 auto_case = 1;
3dc2e39e
AP		 623
624 if (auto_case)
625 {
626 // If a gamepad is plugged after port 4, we need a second multitap.
627 multitap2 = 0;
6cdf212f 628 for (port = 4; port < PORTS_NUMBER; port++)
3dc2e39e 629 multitap2 |= in_type[port] != PSE_PAD_TYPE_NONE;
30d43b8a
AP		 630 }
631}
632
38c2028e 633void retro_set_controller_port_device(unsigned port, unsigned device)
634{
ace14ab3 635 SysPrintf("port %u device %u",port,device);
8c047f6f
AP		 636
637 if (port >= PORTS_NUMBER)
638 return;
639
640 update_controller_port_device(port, device);
641 update_multitap();
38c2028e 642}
643
644void retro_get_system_info(struct retro_system_info *info)
645{
646 memset(info, 0, sizeof(*info));
647 info->library_name = "PCSX-ReARMed";
8fc5171a
GR		 648#ifndef GIT_VERSION
649#define GIT_VERSION ""
650#endif
651 info->library_version = "r22" GIT_VERSION;
9fba39a9 652 info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u";
38c2028e 653 info->need_fullpath = true;
654}
655
656void retro_get_system_av_info(struct retro_system_av_info *info)
657{
658 memset(info, 0, sizeof(*info));
17f84149 659 info->timing.fps = is_pal_mode ? 50 : 60;
38c2028e 660 info->timing.sample_rate = 44100;
661 info->geometry.base_width = 320;
662 info->geometry.base_height = 240;
805fe9bc 663 info->geometry.max_width = VOUT_MAX_WIDTH;
664 info->geometry.max_height = VOUT_MAX_HEIGHT;
38c2028e 665 info->geometry.aspect_ratio = 4.0 / 3.0;
666}
667
6e921e1d 668/* savestates */
ace14ab3 669size_t retro_serialize_size(void)
670{
03f55e6b 671 // it's currently 4380651-4397047 bytes,
672 // but have some reserved for future
673 return 0x440000;
6e921e1d 674}
675
676struct save_fp {
677 char *buf;
678 size_t pos;
679 int is_write;
680};
681
682static void *save_open(const char *name, const char *mode)
683{
684 struct save_fp *fp;
685
686 if (name == NULL || mode == NULL)
687 return NULL;
688
689 fp = malloc(sizeof(*fp));
690 if (fp == NULL)
691 return NULL;
692
693 fp->buf = (char *)name;
694 fp->pos = 0;
695 fp->is_write = (mode[0] == 'w' || mode[1] == 'w');
696
697 return fp;
698}
699
700static int save_read(void *file, void *buf, u32 len)
701{
702 struct save_fp *fp = file;
703 if (fp == NULL || buf == NULL)
704 return -1;
705
706 memcpy(buf, fp->buf + fp->pos, len);
707 fp->pos += len;
708 return len;
709}
710
711static int save_write(void *file, const void *buf, u32 len)
712{
713 struct save_fp *fp = file;
714 if (fp == NULL || buf == NULL)
715 return -1;
716
717 memcpy(fp->buf + fp->pos, buf, len);
718 fp->pos += len;
719 return len;
720}
721
722static long save_seek(void *file, long offs, int whence)
723{
724 struct save_fp *fp = file;
725 if (fp == NULL)
726 return -1;
727
728 switch (whence) {
729 case SEEK_CUR:
730 fp->pos += offs;
731 return fp->pos;
732 case SEEK_SET:
733 fp->pos = offs;
734 return fp->pos;
735 default:
736 return -1;
737 }
738}
739
740static void save_close(void *file)
741{
742 struct save_fp *fp = file;
743 size_t r_size = retro_serialize_size();
744 if (fp == NULL)
745 return;
746
747 if (fp->pos > r_size)
748 SysPrintf("ERROR: save buffer overflow detected\n");
749 else if (fp->is_write && fp->pos < r_size)
750 // make sure we don't save trash in leftover space
751 memset(fp->buf + fp->pos, 0, r_size - fp->pos);
752 free(fp);
38c2028e 753}
754
755bool retro_serialize(void *data, size_t size)
ace14ab3 756{
6e921e1d 757 int ret = SaveState(data);
758 return ret == 0 ? true : false;
38c2028e 759}
760
761bool retro_unserialize(const void *data, size_t size)
762{
6e921e1d 763 int ret = LoadState(data);
764 return ret == 0 ? true : false;
38c2028e 765}
766
23ea11bd 767/* cheats */
38c2028e 768void retro_cheat_reset(void)
769{
6e921e1d 770 ClearAllCheats();
38c2028e 771}
772
773void retro_cheat_set(unsigned index, bool enabled, const char *code)
774{
6e921e1d 775 char buf[256];
776 int ret;
777
778 // cheat funcs are destructive, need a copy..
779 strncpy(buf, code, sizeof(buf));
780 buf[sizeof(buf) - 1] = 0;
47624ecf 781
782 //Prepare buffered cheat for PCSX's AddCheat fucntion.
783 int cursor=0;
784 int nonhexdec=0;
785 while (buf[cursor]){
786 if (!(ISHEXDEC)){
787 if (++nonhexdec%2){
788 buf[cursor]=' ';
789 } else {
790 buf[cursor]='\n';
791 }
792 }
793 cursor++;
794 }
795
6e921e1d 796
797 if (index < NumCheats)
798 ret = EditCheat(index, "", buf);
799 else
800 ret = AddCheat("", buf);
801
802 if (ret != 0)
803 SysPrintf("Failed to set cheat %#u\n", index);
804 else if (index < NumCheats)
805 Cheats[index].Enabled = enabled;
38c2028e 806}
807
23ea11bd 808/* multidisk support */
809static bool disk_ejected;
810static unsigned int disk_current_index;
51ba7408 811static unsigned int disk_count;
23ea11bd 812static struct disks_state {
813 char *fname;
814 int internal_index; // for multidisk eboots
815} disks[8];
816
817static bool disk_set_eject_state(bool ejected)
818{
819 // weird PCSX API..
820 SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2));
821 LidInterrupt();
822
823 disk_ejected = ejected;
824 return true;
825}
826
827static bool disk_get_eject_state(void)
828{
829 /* can't be controlled by emulated software */
830 return disk_ejected;
831}
832
833static unsigned int disk_get_image_index(void)
834{
835 return disk_current_index;
836}
837
838static bool disk_set_image_index(unsigned int index)
839{
840 if (index >= sizeof(disks) / sizeof(disks[0]))
841 return false;
842
843 CdromId[0] = '\0';
844 CdromLabel[0] = '\0';
845
846 if (disks[index].fname == NULL) {
847 SysPrintf("missing disk #%u\n", index);
848 CDR_shutdown();
849
850 // RetroArch specifies "no disk" with index == count,
851 // so don't fail here..
852 disk_current_index = index;
853 return true;
854 }
855
856 SysPrintf("switching to disk %u: \"%s\" #%d\n", index,
857 disks[index].fname, disks[index].internal_index);
858
859 cdrIsoMultidiskSelect = disks[index].internal_index;
860 set_cd_image(disks[index].fname);
861 if (ReloadCdromPlugin() < 0) {
862 SysPrintf("failed to load cdr plugin\n");
863 return false;
864 }
865 if (CDR_open() < 0) {
866 SysPrintf("failed to open cdr plugin\n");
867 return false;
868 }
869
870 if (!disk_ejected) {
871 SetCdOpenCaseTime(time(NULL) + 2);
872 LidInterrupt();
873 }
874
875 disk_current_index = index;
876 return true;
877}
878
879static unsigned int disk_get_num_images(void)
880{
51ba7408 881 return disk_count;
23ea11bd 882}
883
884static bool disk_replace_image_index(unsigned index,
885 const struct retro_game_info *info)
886{
887 char *old_fname;
888 bool ret = true;
889
890 if (index >= sizeof(disks) / sizeof(disks[0]))
891 return false;
892
893 old_fname = disks[index].fname;
894 disks[index].fname = NULL;
895 disks[index].internal_index = 0;
896
897 if (info != NULL) {
898 disks[index].fname = strdup(info->path);
899 if (index == disk_current_index)
900 ret = disk_set_image_index(index);
901 }
902
903 if (old_fname != NULL)
904 free(old_fname);
905
906 return ret;
907}
908
909static bool disk_add_image_index(void)
910{
51ba7408
T		 911 if (disk_count >= 8)
912 return false;
913
914 disk_count++;
23ea11bd 915 return true;
916}
917
918static struct retro_disk_control_callback disk_control = {
919 .set_eject_state = disk_set_eject_state,
920 .get_eject_state = disk_get_eject_state,
921 .get_image_index = disk_get_image_index,
922 .set_image_index = disk_set_image_index,
923 .get_num_images = disk_get_num_images,
924 .replace_image_index = disk_replace_image_index,
925 .add_image_index = disk_add_image_index,
926};
927
9fba39a9
T		 928// just in case, maybe a win-rt port in the future?
929#ifdef _WIN32
930#define SLASH '\\'
931#else
932#define SLASH '/'
933#endif
934
935static char base_dir[PATH_MAX];
936
937static bool read_m3u(const char *file)
938{
939 char line[PATH_MAX];
940 char name[PATH_MAX];
9fba39a9
T		 941 FILE *f = fopen(file, "r");
942 if (!f)
943 return false;
944
51ba7408 945 while (fgets(line, sizeof(line), f) && disk_count < sizeof(disks) / sizeof(disks[0])) {
9fba39a9
T		 946 if (line[0] == '#')
947 continue;
948 char *carrige_return = strchr(line, '\r');
949 if (carrige_return)
950 *carrige_return = '\0';
951 char *newline = strchr(line, '\n');
952 if (newline)
953 *newline = '\0';
954
955 if (line[0] != '\0')
956 {
957 snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
51ba7408 958 disks[disk_count++].fname = strdup(name);
9fba39a9
T		 959 }
960 }
961
962 fclose(f);
51ba7408 963 return (disk_count != 0);
9fba39a9
T		 964}
965
966static void extract_directory(char *buf, const char *path, size_t size)
967{
968 char *base;
969 strncpy(buf, path, size - 1);
970 buf[size - 1] = '\0';
971
972 base = strrchr(buf, '/');
973 if (!base)
974 base = strrchr(buf, '\\');
975
976 if (base)
977 *base = '\0';
978 else
979 {
980 buf[0] = '.';
981 buf[1] = '\0';
982 }
983}
984
003cfc63 985#if defined(__QNX__) || defined(_WIN32)
41294f4d 986/* Blackberry QNX doesn't have strcasestr */
987
988/*
989 * Find the first occurrence of find in s, ignore case.
990 */
991char *
992strcasestr(const char *s, const char*find)
993{
994 char c, sc;
995 size_t len;
996
997 if ((c = *find++) != 0) {
998 c = tolower((unsigned char)c);
999 len = strlen(find);
1000 do {
1001 do {
1002 if ((sc = *s++) == 0)
1003 return (NULL);
1004 } while ((char)tolower((unsigned char)sc) != c);
1005 } while (strncasecmp(s, find, len) != 0);
1006 s--;
1007 }
1008 return ((char *)s);
1009}
1010#endif
1011
38c2028e 1012bool retro_load_game(const struct retro_game_info *info)
1013{
23ea11bd 1014 size_t i;
9fba39a9
T		 1015 bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
1016
e3f8313f 1017 struct retro_input_descriptor desc[] = {
1018 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1019 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1020 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1021 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1022 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1023 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1024 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1025 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1026 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1027 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1028 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1029 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1030 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1031 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1032 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1033 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
3e24db84 1034 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1035 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1036 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1037 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1038
e3f8313f 1039
1040 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1041 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1042 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1043 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1044 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1045 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1046 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1047 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1048 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1049 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1050 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1051 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1052 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1053 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1054 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1055 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
3e24db84 1056 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1057 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1058 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1059 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
e3f8313f 1060
1061 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1062 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1063 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1064 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1065 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1066 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1067 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1068 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1069 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1070 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1071 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1072 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1073 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1074 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1075 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1076 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
3e24db84 1077 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1078 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1079 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1080 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
e3f8313f 1081
1082 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1083 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1084 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1085 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1086 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1087 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1088 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1089 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1090 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1091 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1092 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1093 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1094 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1095 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1096 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1097 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
3e24db84 1098 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1099 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1100 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1101 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
e3f8313f 1102
1103 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1104 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1105 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1106 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1107 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1108 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1109 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1110 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1111 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1112 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1113 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1114 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1115 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1116 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1117 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1118 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
3e24db84 1119 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1120 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1121 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1122 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
e3f8313f 1123
1124 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1125 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1126 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1127 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1128 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1129 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1130 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1131 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1132 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1133 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1134 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1135 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1136 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1137 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1138 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
ace14ab3 1139 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
3e24db84 1140 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1141 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1142 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1143 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
e3f8313f 1144
1145 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1146 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1147 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1148 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1149 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1150 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1151 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1152 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1153 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1154 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1155 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1156 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1157 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1158 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1159 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
ace14ab3 1160 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
3e24db84 1161 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1162 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1163 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1164 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
e3f8313f 1165
1166 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1167 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1168 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1169 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1170 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1171 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1172 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1173 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1174 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1175 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1176 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1177 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1178 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1179 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1180 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
ace14ab3 1181 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
3e24db84 1182 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1183 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1184 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1185 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
e3f8313f 1186
1187 { 0 },
1188 };
1189
1190 environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
1191
46aa5b98 1192#ifdef FRONTEND_SUPPORTS_RGB565
c19aba43 1193 enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
9f766dbe 1194 if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) {
f29fbd53 1195 SysPrintf("RGB565 supported, using it\n");
c19aba43 1196 }
46aa5b98 1197#endif
c19aba43 1198
23ea11bd 1199 if (info == NULL || info->path == NULL) {
1200 SysPrintf("info->path required\n");
1201 return false;
1202 }
1203
38c2028e 1204 if (plugins_opened) {
1205 ClosePlugins();
1206 plugins_opened = 0;
1207 }
1208
23ea11bd 1209 for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++) {
1210 if (disks[i].fname != NULL) {
1211 free(disks[i].fname);
1212 disks[i].fname = NULL;
1213 }
1214 disks[i].internal_index = 0;
1215 }
1216
1217 disk_current_index = 0;
9fba39a9
T		 1218 extract_directory(base_dir, info->path, sizeof(base_dir));
1219
1220 if (is_m3u) {
1221 if (!read_m3u(info->path)) {
1222 SysPrintf("failed to read m3u file\n");
1223 return false;
1224 }
51ba7408
T		 1225 } else {
1226 disk_count = 1;
9fba39a9 1227 disks[0].fname = strdup(info->path);
51ba7408 1228 }
23ea11bd 1229
1230 set_cd_image(disks[0].fname);
38c2028e 1231
1232 /* have to reload after set_cd_image for correct cdr plugin */
1233 if (LoadPlugins() == -1) {
f29fbd53 1234 SysPrintf("failed to load plugins\n");
38c2028e 1235 return false;
1236 }
1237
1238 plugins_opened = 1;
1239 NetOpened = 0;
1240
1241 if (OpenPlugins() == -1) {
f29fbd53 1242 SysPrintf("failed to open plugins\n");
38c2028e 1243 return false;
1244 }
1245
1246 plugin_call_rearmed_cbs();
19a784e6 1247 dfinput_activate();
38c2028e 1248
1249 Config.PsxAuto = 1;
1250 if (CheckCdrom() == -1) {
f29fbd53 1251 SysPrintf("unsupported/invalid CD image: %s\n", info->path);
38c2028e 1252 return false;
1253 }
1254
1255 SysReset();
1256
1257 if (LoadCdrom() == -1) {
f29fbd53 1258 SysPrintf("could not load CD-ROM!\n");
38c2028e 1259 return false;
1260 }
79f216e3 1261 emu_on_new_cd(0);
38c2028e 1262
23ea11bd 1263 // multidisk images
9fba39a9 1264 if (!is_m3u) {
51ba7408 1265 disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8;
9fba39a9
T		 1266 for (i = 1; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++) {
1267 disks[i].fname = strdup(info->path);
1268 disks[i].internal_index = i;
1269 }
23ea11bd 1270 }
1271
38c2028e 1272 return true;
1273}
1274
1275bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info)
1276{
1277 return false;
1278}
1279
ace14ab3 1280void retro_unload_game(void)
38c2028e 1281{
1282}
1283
1284unsigned retro_get_region(void)
1285{
17f84149 1286 return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
38c2028e 1287}
1288
1289void *retro_get_memory_data(unsigned id)
1290{
b40a83db
T		 1291 if (id == RETRO_MEMORY_SAVE_RAM)
1292 return Mcd1Data;
1293 else
1294 return NULL;
38c2028e 1295}
1296
1297size_t retro_get_memory_size(unsigned id)
1298{
b40a83db
T		 1299 if (id == RETRO_MEMORY_SAVE_RAM)
1300 return MCD_SIZE;
1301 else
1302 return 0;
38c2028e 1303}
1304
1305void retro_reset(void)
1306{
726da67c 1307 //hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
1308 rebootemu = 1;
1309 //SysReset();
38c2028e 1310}
1311
1312static const unsigned short retro_psx_map[] = {
1313 [RETRO_DEVICE_ID_JOYPAD_B] = 1 << DKEY_CROSS,
1314 [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << DKEY_SQUARE,
1315 [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT,
1316 [RETRO_DEVICE_ID_JOYPAD_START] = 1 << DKEY_START,
1317 [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << DKEY_UP,
1318 [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << DKEY_DOWN,
1319 [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << DKEY_LEFT,
1320 [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << DKEY_RIGHT,
1321 [RETRO_DEVICE_ID_JOYPAD_A] = 1 << DKEY_CIRCLE,
1322 [RETRO_DEVICE_ID_JOYPAD_X] = 1 << DKEY_TRIANGLE,
1323 [RETRO_DEVICE_ID_JOYPAD_L] = 1 << DKEY_L1,
1324 [RETRO_DEVICE_ID_JOYPAD_R] = 1 << DKEY_R1,
1325 [RETRO_DEVICE_ID_JOYPAD_L2] = 1 << DKEY_L2,
1326 [RETRO_DEVICE_ID_JOYPAD_R2] = 1 << DKEY_R2,
1327 [RETRO_DEVICE_ID_JOYPAD_L3] = 1 << DKEY_L3,
1328 [RETRO_DEVICE_ID_JOYPAD_R3] = 1 << DKEY_R3,
1329};
1330#define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
1331
805fe9bc 1332static void update_variables(bool in_flight)
e268a47e 1333{
e268a47e 1334 struct retro_variable var;
6cdf212f 1335 int i;
ace14ab3 1336
e268a47e 1337 var.value = NULL;
4e477065 1338 var.key = "pcsx_rearmed_frameskip";
7d68d030 1339 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1340 pl_rearmed_cbs.frameskip = atoi(var.value);
9f5a28d9 1341
1342 var.value = NULL;
4e477065 1343 var.key = "pcsx_rearmed_region";
9f5a28d9 1344 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1345 {
1346 Config.PsxAuto = 0;
1347 if (strcmp(var.value, "Automatic") == 0)
1348 Config.PsxAuto = 1;
1349 else if (strcmp(var.value, "NTSC") == 0)
1350 Config.PsxType = 0;
1351 else if (strcmp(var.value, "PAL") == 0)
1352 Config.PsxType = 1;
1353 }
4615b075 1354
6cdf212f 1355 for (i = 0; i < PORTS_NUMBER; i++)
15504ca8 1356 update_controller_port_variable(i);
61c4962a 1357
30d43b8a 1358 update_multitap();
61c4962a 1359
7d68d030 1360#ifdef __ARM_NEON__
9f5a28d9 1361 var.value = "NULL";
55e5626b 1362 var.key = "pcsx_rearmed_neon_interlace_enable";
9f5a28d9 1363
1364 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1365 {
1366 if (strcmp(var.value, "disabled") == 0)
1367 pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
1368 else if (strcmp(var.value, "enabled") == 0)
1369 pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
1370 }
1371
7d68d030 1372 var.value = NULL;
55e5626b 1373 var.key = "pcsx_rearmed_neon_enhancement_enable";
7d68d030 1374
1375 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1376 {
1377 if (strcmp(var.value, "disabled") == 0)
1378 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
1379 else if (strcmp(var.value, "enabled") == 0)
1380 pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
1381 }
354329fa 1382
1383 var.value = NULL;
55e5626b 1384 var.key = "pcsx_rearmed_neon_enhancement_no_main";
354329fa 1385
1386 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1387 {
1388 if (strcmp(var.value, "disabled") == 0)
1389 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
1390 else if (strcmp(var.value, "enabled") == 0)
1391 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1;
1392 }
094ec204 1393#endif
0e5a7b7d 1394
1395 var.value = "NULL";
1396 var.key = "pcsx_rearmed_duping_enable";
1397
1398 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1399 {
1400 if (strcmp(var.value, "off") == 0)
1401 duping_enable = false;
1402 else if (strcmp(var.value, "on") == 0)
1403 duping_enable = true;
1404 }
1405
48f615ba 1406#ifndef DRC_DISABLE
1407 var.value = NULL;
4e477065 1408 var.key = "pcsx_rearmed_drc";
48f615ba 1409
1410 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1411 {
1412 R3000Acpu *prev_cpu = psxCpu;
1413
fc99395c 1414#ifdef _3DS
f72db18e 1415 if(!__ctr_svchax)
fc99395c 1416 Config.Cpu = CPU_INTERPRETER;
1417 else
1418#endif
48f615ba 1419 if (strcmp(var.value, "disabled") == 0)
1420 Config.Cpu = CPU_INTERPRETER;
1421 else if (strcmp(var.value, "enabled") == 0)
1422 Config.Cpu = CPU_DYNAREC;
1423
1424 psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
1425 if (psxCpu != prev_cpu) {
1426 prev_cpu->Shutdown();
1427 psxCpu->Init();
1428 psxCpu->Reset(); // not really a reset..
1429 }
1430 }
1431#endif
805fe9bc 1432
01394a7f 1433 var.value = "NULL";
1434 var.key = "pcsx_rearmed_spu_reverb";
1435
1436 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1437 {
1438 if (strcmp(var.value, "off") == 0)
1439 spu_config.iUseReverb = false;
1440 else if (strcmp(var.value, "on") == 0)
1441 spu_config.iUseReverb = true;
1442 }
1443
1444 var.value = "NULL";
1445 var.key = "pcsx_rearmed_spu_interpolation";
1446
1447 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1448 {
1449 if (strcmp(var.value, "simple") == 0)
1450 spu_config.iUseInterpolation = 1;
1451 else if (strcmp(var.value, "gaussian") == 0)
1452 spu_config.iUseInterpolation = 2;
1453 else if (strcmp(var.value, "cubic") == 0)
1454 spu_config.iUseInterpolation = 3;
1455 else if (strcmp(var.value, "off") == 0)
1456 spu_config.iUseInterpolation = 0;
1457 }
1458
b3480be8 1459 var.value = "NULL";
1460 var.key = "pcsx_rearmed_pe2_fix";
1461
1462 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1463 {
1464 if (strcmp(var.value, "disabled") == 0)
1465 Config.RCntFix = 0;
1466 else if (strcmp(var.value, "enabled") == 0)
1467 Config.RCntFix = 1;
1468 }
ace14ab3 1469
b3480be8 1470 var.value = "NULL";
1471 var.key = "pcsx_rearmed_inuyasha_fix";
1472
1473 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1474 {
1475 if (strcmp(var.value, "disabled") == 0)
1476 Config.VSyncWA = 0;
1477 else if (strcmp(var.value, "enabled") == 0)
1478 Config.VSyncWA = 1;
1479 }
1480
32ab9e53
TJ		 1481 if (in_flight) {
1482 // inform core things about possible config changes
1483 plugin_call_rearmed_cbs();
805fe9bc 1484
32ab9e53
TJ		 1485 if (GPU_open != NULL && GPU_close != NULL) {
1486 GPU_close();
1487 GPU_open(&gpuDisp, "PCSX", NULL);
1488 }
805fe9bc 1489
32ab9e53
TJ		 1490 dfinput_activate();
1491 }
b580cc4f 1492 else{
1493 //not yet running
1494
1495 //bootlogo display hack
1496 if (found_bios) {
1497 var.value = "NULL";
1498 var.key = "pcsx_rearmed_show_bios_bootlogo";
1499 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1500 {
1501 if (strcmp(var.value, "on") == 0)
1502 rebootemu = 1;
1503 }
1504 }
1505 }
e268a47e 1506}
1507
ce098e12
NR		 1508static int min(int a, int b)
1509{
1510 return a < b ? a : b;
1511}
1512
ace14ab3 1513void retro_run(void)
38c2028e 1514{
3b1a5e21 1515 int i;
726da67c 1516 //SysReset must be run while core is running,Not in menu (Locks up Retroarch)
1517 if(rebootemu != 0){
1518 rebootemu = 0;
1519 SysReset();
1520 }
38c2028e 1521
1522 input_poll_cb();
e268a47e 1523
805fe9bc 1524 bool updated = false;
1525 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
1526 update_variables(true);
e268a47e 1527
3b1a5e21 1528 // reset all keystate, query libretro for keystate
61c4962a 1529 int j;
3c0fb554 1530 for(i = 0; i < PORTS_NUMBER; i++) {
61c4962a 1531 in_keystate[i] = 0;
3c0fb554
AP		 1532
1533 if (in_type[i] == PSE_PAD_TYPE_NONE)
1534 continue;
1535
3b1a5e21 1536 // query libretro for keystate
1537 for (j = 0; j < RETRO_PSX_MAP_LEN; j++)
61c4962a 1538 if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, j))
1539 in_keystate[i] |= retro_psx_map[j];
56abf614 1540
1541 if (in_type[i] == PSE_PAD_TYPE_ANALOGPAD)
1542 {
ce098e12
NR		 1543 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);
1544 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);
1545 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);
1546 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);
56abf614 1547 }
61c4962a 1548 }
e8d96071 1549
38c2028e 1550 stop = 0;
1551 psxCpu->Execute();
1552
65a0505f 1553 video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf_ptr : NULL,
1a6164a1 1554 vout_width, vout_height, vout_width * 2);
70d56ca3 1555 vout_fb_dirty = 0;
38c2028e 1556}
1557
74ebc05b 1558static bool try_use_bios(const char *path)
1559{
1560 FILE *f;
1561 long size;
1562 const char *name;
1563
1564 f = fopen(path, "rb");
1565 if (f == NULL)
1566 return false;
1567
1568 fseek(f, 0, SEEK_END);
1569 size = ftell(f);
1570 fclose(f);
1571
1572 if (size != 512 * 1024)
1573 return false;
1574
1575 name = strrchr(path, SLASH);
1576 if (name++ == NULL)
1577 name = path;
1578 snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
1579 return true;
1580}
1581
c4052f4d 1582#ifndef VITA
74ebc05b 1583#include <sys/types.h>
1584#include <dirent.h>
1585
1586static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
1587{
1588 DIR *dir;
1589 struct dirent *ent;
1590 bool ret = false;
1591
1592 dir = opendir(dirpath);
1593 if (dir == NULL)
1594 return false;
1595
1596 while ((ent = readdir(dir))) {
1597 if (strncasecmp(ent->d_name, "scph", 4) != 0)
1598 continue;
1599
1600 snprintf(path, path_size, "%s/%s", dirpath, ent->d_name);
1601 ret = try_use_bios(path);
1602 if (ret)
1603 break;
1604 }
1605 closedir(dir);
1606 return ret;
1607}
1608#else
1609#define find_any_bios(...) false
1610#endif
1611
11813b9d 1612static void check_system_specs(void)
1613{
1614 unsigned level = 6;
1615 environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
1616}
1617
38c2028e 1618void retro_init(void)
1619{
1620 const char *bios[] = { "scph1001", "scph5501", "scph7001" };
1621 const char *dir;
1622 char path[256];
1e1cccd9 1623 int i, ret;
b580cc4f 1624
1625 found_bios = false;
38c2028e 1626
d148d265 1627#ifdef __MACH__
1628 // magic sauce to make the dynarec work on iOS
1629 syscall(SYS_ptrace, 0 /*PTRACE_TRACEME*/, 0, 0, 0);
1630#endif
1631
fc99395c 1632#ifdef _3DS
fc99395c 1633 psxMapHook = pl_3ds_mmap;
1634 psxUnmapHook = pl_3ds_munmap;
1a5fd794 1635#endif
1636#ifdef VITA
73081f23
FJGG		 1637 if(init_vita_mmap()<0)
1638 abort();
1a5fd794 1639 psxMapHook = pl_vita_mmap;
1640 psxUnmapHook = pl_vita_munmap;
fc99395c 1641#endif
38c2028e 1642 ret = emu_core_preinit();
73081f23 1643#ifdef _3DS
e4d84733 1644 /* emu_core_preinit sets the cpu to dynarec */
f72db18e 1645 if(!__ctr_svchax)
e4d84733 1646 Config.Cpu = CPU_INTERPRETER;
1647#endif
73081f23 1648
38c2028e 1649 ret |= emu_core_init();
1650 if (ret != 0) {
f29fbd53 1651 SysPrintf("PCSX init failed.\n");
38c2028e 1652 exit(1);
1653 }
1654
0b7f536b 1655#ifdef _3DS
1656 vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
1657#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && !defined(VITA)
a9579f3b 1658 posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
29122437
TJ		 1659#else
1660 vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
1661#endif
65a0505f
FJGG		 1662
1663 vout_buf_ptr = vout_buf;
1664
38c2028e 1665 if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
1666 {
fc99395c 1667 snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s", dir);
38c2028e 1668
1669 for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++) {
1670 snprintf(path, sizeof(path), "%s/%s.bin", dir, bios[i]);
74ebc05b 1671 found_bios = try_use_bios(path);
1672 if (found_bios)
38c2028e 1673 break;
38c2028e 1674 }
74ebc05b 1675
1676 if (!found_bios)
1677 found_bios = find_any_bios(dir, path, sizeof(path));
38c2028e 1678 }
74ebc05b 1679 if (found_bios) {
f29fbd53 1680 SysPrintf("found BIOS file: %s\n", Config.Bios);
38c2028e 1681 }
1682 else
74ebc05b 1683 {
f29fbd53 1684 SysPrintf("no BIOS files found.\n");
ace14ab3 1685 struct retro_message msg =
74ebc05b 1686 {
1687 "no BIOS found, expect bugs!",
1688 180
1689 };
1690 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, (void*)&msg);
1691 }
38c2028e 1692
1a6164a1 1693 environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
23ea11bd 1694 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
4e477065 1695 environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble);
1a6164a1 1696
5ca2ec64 1697 /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
1698 * we have to do this because cache misses and some IO penalties
1699 * are not emulated. Warning: changing this may break compatibility. */
5ca2ec64 1700 cycle_multiplier = 175;
ace14ab3 1701#ifdef HAVE_PRE_ARMV7
5ca2ec64 1702 cycle_multiplier = 200;
1703#endif
46b3a2fc 1704 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
1e0eac23 1705 spu_config.iUseFixedUpdates = 1;
5ca2ec64 1706
f9f60dae
TK		 1707 McdDisable[0] = 0;
1708 McdDisable[1] = 1;
7df396ea 1709 init_memcard(Mcd1Data);
6e921e1d 1710
1711 SaveFuncs.open = save_open;
1712 SaveFuncs.read = save_read;
1713 SaveFuncs.write = save_write;
1714 SaveFuncs.seek = save_seek;
1715 SaveFuncs.close = save_close;
e268a47e 1716
805fe9bc 1717 update_variables(false);
32ab9e53 1718 check_system_specs();
38c2028e 1719}
1720
1721void retro_deinit(void)
1722{
1723 SysClose();
0b7f536b 1724#ifdef _3DS
1725 linearFree(vout_buf);
1726#else
38c2028e 1727 free(vout_buf);
0b7f536b 1728#endif
38c2028e 1729 vout_buf = NULL;
d8f2e2d8
SL		 1730
1731#ifdef VITA
73081f23 1732 deinit_vita_mmap();
d8f2e2d8 1733#endif
38c2028e 1734}
c4052f4d 1735
1736#ifdef VITA
1737#include <psp2/kernel/threadmgr.h>
1738int usleep (unsigned long us)
1739{
1740 sceKernelDelayThread(us);
1741}
1742#endif
ARM optimized PCSX fork