frontend/libretro.c

   1 /*
   2  * (C) notaz, 2012,2014,2015
   3  *
   4  * This work is licensed under the terms of the GNU GPLv2 or later.
   5  * See the COPYING file in the top-level directory.
   6  */
   7
   8 #define _GNU_SOURCE 1 // strcasestr
   9 #include <stdio.h>
  10 #include <stdlib.h>
  11 #include <string.h>
  12 #include <strings.h>
  13 #ifdef __MACH__
  14 #include <unistd.h>
  15 #include <sys/syscall.h>
  16 #endif
  17
  18 #ifdef SWITCH
  19 #include <switch.h>
  20 #endif
  21
  22 #include "../libpcsxcore/misc.h"
  23 #include "../libpcsxcore/psxcounters.h"
  24 #include "../libpcsxcore/psxmem_map.h"
  25 #include "../libpcsxcore/new_dynarec/new_dynarec.h"
  26 #include "../libpcsxcore/cdrom.h"
  27 #include "../libpcsxcore/cdriso.h"
  28 #include "../libpcsxcore/cheat.h"
  29 #include "../libpcsxcore/r3000a.h"
  30 #include "../plugins/dfsound/out.h"
  31 #include "../plugins/dfsound/spu_config.h"
  32 #include "../plugins/dfinput/externals.h"
  33 #include "cspace.h"
  34 #include "main.h"
  35 #include "menu.h"
  36 #include "plugin.h"
  37 #include "plugin_lib.h"
  38 #include "arm_features.h"
  39 #include "revision.h"
  40
  41 #include <libretro.h>
  42 #include "libretro_core_options.h"
  43
  44 #ifdef _3DS
  45 #include "3ds/3ds_utils.h"
  46 #endif
  47
  48 #define PORTS_NUMBER 8
  49
  50 #ifndef MIN
  51 #define MIN(a, b) ((a) < (b) ? (a) : (b))
  52 #endif
  53
  54 #ifndef MAX
  55 #define MAX(a, b) ((a) > (b) ? (a) : (b))
  56 #endif
  57
  58 #define ISHEXDEC ((buf[cursor]>='0') && (buf[cursor]<='9')) || ((buf[cursor]>='a') && (buf[cursor]<='f')) || ((buf[cursor]>='A') && (buf[cursor]<='F'))
  59
  60 #define INTERNAL_FPS_SAMPLE_PERIOD 64
  61
  62 //hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
  63 static int rebootemu = 0;
  64
  65 static retro_video_refresh_t video_cb;
  66 static retro_input_poll_t input_poll_cb;
  67 static retro_input_state_t input_state_cb;
  68 static retro_environment_t environ_cb;
  69 static retro_audio_sample_batch_t audio_batch_cb;
  70 static retro_set_rumble_state_t rumble_cb;
  71 static struct retro_log_callback logging;
  72 static retro_log_printf_t log_cb;
  73
  74 static void *vout_buf;
  75 static void * vout_buf_ptr;
  76 static int vout_width, vout_height;
  77 static int vout_doffs_old, vout_fb_dirty;
  78 static bool vout_can_dupe;
  79 static bool duping_enable;
  80 static bool found_bios;
  81 static bool display_internal_fps = false;
  82 static unsigned frame_count = 0;
  83 static bool libretro_supports_bitmasks = false;
  84 static int show_advanced_gpu_peops_settings = -1;
  85 static int show_advanced_gpu_unai_settings  = -1;
  86
  87 static unsigned previous_width = 0;
  88 static unsigned previous_height = 0;
  89
  90 static int plugins_opened;
  91 static int is_pal_mode;
  92
  93 /* memory card data */
  94 extern char Mcd1Data[MCD_SIZE];
  95 extern char Mcd2Data[MCD_SIZE];
  96 extern char McdDisable[2];
  97
  98 /* PCSX ReARMed core calls and stuff */
  99 int in_type[8] =  { PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
 100                   PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
 101                   PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
 102                   PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE };
 103 int in_analog_left[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
 104 int in_analog_right[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
 105 unsigned short in_keystate[PORTS_NUMBER];
 106 int multitap1 = 0;
 107 int multitap2 = 0;
 108 int in_enable_vibration = 1;
 109
 110 // NegCon adjustment parameters
 111 // > The NegCon 'twist' action is somewhat awkward when mapped
 112 //   to a standard analog stick -> user should be able to tweak
 113 //   response/deadzone for comfort
 114 // > When response is linear, 'additional' deadzone (set here)
 115 //   may be left at zero, since this is normally handled via in-game
 116 //   options menus
 117 // > When response is non-linear, deadzone should be set to match the
 118 //   controller being used (otherwise precision may be lost)
 119 // > negcon_linearity:
 120 //   - 1: Response is linear - recommended when using racing wheel
 121 //        peripherals, not recommended for standard gamepads
 122 //   - 2: Response is quadratic - optimal setting for gamepads
 123 //   - 3: Response is cubic - enables precise fine control, but
 124 //        difficult to use...
 125 #define NEGCON_RANGE 0x7FFF
 126 static int negcon_deadzone = 0;
 127 static int negcon_linearity = 1;
 128
 129 /* PSX max resolution is 640x512, but with enhancement it's 1024x512 */
 130 #define VOUT_MAX_WIDTH 1024
 131 #define VOUT_MAX_HEIGHT 512
 132
 133 //Dummy functions
 134 bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info){return false;}
 135 void retro_unload_game(void){}
 136 static int vout_open(void){return 0;}
 137 static void vout_close(void){}
 138 static int snd_init(void){return 0;}
 139 static void snd_finish(void){}
 140 static int snd_busy(void){return 0;}
 141
 142 #define GPU_PEOPS_ODD_EVEN_BIT         (1 << 0)
 143 #define GPU_PEOPS_EXPAND_SCREEN_WIDTH  (1 << 1)
 144 #define GPU_PEOPS_IGNORE_BRIGHTNESS    (1 << 2)
 145 #define GPU_PEOPS_DISABLE_COORD_CHECK  (1 << 3)
 146 #define GPU_PEOPS_LAZY_SCREEN_UPDATE   (1 << 6)
 147 #define GPU_PEOPS_OLD_FRAME_SKIP       (1 << 7)
 148 #define GPU_PEOPS_REPEATED_TRIANGLES   (1 << 8)
 149 #define GPU_PEOPS_QUADS_WITH_TRIANGLES (1 << 9)
 150 #define GPU_PEOPS_FAKE_BUSY_STATE      (1 << 10)
 151
 152 static void init_memcard(char *mcd_data)
 153 {
 154         unsigned off = 0;
 155         unsigned i;
 156
 157         memset(mcd_data, 0, MCD_SIZE);
 158
 159         mcd_data[off++] = 'M';
 160         mcd_data[off++] = 'C';
 161         off += 0x7d;
 162         mcd_data[off++] = 0x0e;
 163
 164         for (i = 0; i < 15; i++) {
 165                 mcd_data[off++] = 0xa0;
 166                 off += 0x07;
 167                 mcd_data[off++] = 0xff;
 168                 mcd_data[off++] = 0xff;
 169                 off += 0x75;
 170                 mcd_data[off++] = 0xa0;
 171         }
 172
 173         for (i = 0; i < 20; i++) {
 174                 mcd_data[off++] = 0xff;
 175                 mcd_data[off++] = 0xff;
 176                 mcd_data[off++] = 0xff;
 177                 mcd_data[off++] = 0xff;
 178                 off += 0x04;
 179                 mcd_data[off++] = 0xff;
 180                 mcd_data[off++] = 0xff;
 181                 off += 0x76;
 182         }
 183 }
 184
 185 static void set_vout_fb()
 186 {
 187   struct retro_framebuffer fb = {0};
 188
 189   fb.width           = vout_width;
 190   fb.height          = vout_height;
 191   fb.access_flags    = RETRO_MEMORY_ACCESS_WRITE;
 192
 193   if (environ_cb(RETRO_ENVIRONMENT_GET_CURRENT_SOFTWARE_FRAMEBUFFER, &fb) && fb.format == RETRO_PIXEL_FORMAT_RGB565)
 194      vout_buf_ptr = (uint16_t*)fb.data;
 195   else
 196      vout_buf_ptr = vout_buf;
 197 }
 198
 199 static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
 200 {
 201   vout_width = w;
 202   vout_height = h;
 203
 204         if (previous_width != vout_width || previous_height != vout_height)
 205         {
 206                 previous_width = vout_width;
 207                 previous_height = vout_height;
 208
 209         struct retro_system_av_info info;
 210         retro_get_system_av_info(&info);
 211         environ_cb(RETRO_ENVIRONMENT_SET_GEOMETRY, &info.geometry);
 212         }
 213
 214   set_vout_fb();
 215 }
 216
 217 #ifndef FRONTEND_SUPPORTS_RGB565
 218 static void convert(void *buf, size_t bytes)
 219 {
 220         unsigned int i, v, *p = buf;
 221
 222         for (i = 0; i < bytes / 4; i++) {
 223                 v = p[i];
 224                 p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0);
 225         }
 226 }
 227 #endif
 228
 229 static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
 230 {
 231         unsigned short *dest = vout_buf_ptr;
 232         const unsigned short *src = vram;
 233         int dstride = vout_width, h1 = h;
 234         int doffs;
 235
 236         if (vram == NULL) {
 237                 // blanking
 238                 memset(vout_buf_ptr, 0, dstride * h * 2);
 239                 goto out;
 240         }
 241
 242         doffs = (vout_height - h) * dstride;
 243         doffs += (dstride - w) / 2 & ~1;
 244         if (doffs != vout_doffs_old) {
 245                 // clear borders
 246                 memset(vout_buf_ptr, 0, dstride * h * 2);
 247                 vout_doffs_old = doffs;
 248         }
 249         dest += doffs;
 250
 251         if (bgr24)
 252         {
 253                 // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here?
 254                 for (; h1-- > 0; dest += dstride, src += stride)
 255                 {
 256                         bgr888_to_rgb565(dest, src, w * 3);
 257                 }
 258         }
 259         else
 260         {
 261                 for (; h1-- > 0; dest += dstride, src += stride)
 262                 {
 263                         bgr555_to_rgb565(dest, src, w * 2);
 264                 }
 265         }
 266
 267 out:
 268 #ifndef FRONTEND_SUPPORTS_RGB565
 269         convert(vout_buf_ptr, vout_width * vout_height * 2);
 270 #endif
 271         vout_fb_dirty = 1;
 272         pl_rearmed_cbs.flip_cnt++;
 273 }
 274
 275 #ifdef _3DS
 276 typedef struct
 277 {
 278    void* buffer;
 279    uint32_t target_map;
 280    size_t size;
 281    enum psxMapTag tag;
 282 }psx_map_t;
 283
 284 psx_map_t custom_psx_maps[] = {
 285    {NULL, 0x13000000, 0x210000, MAP_TAG_RAM},   // 0x80000000
 286    {NULL, 0x12800000, 0x010000, MAP_TAG_OTHER}, // 0x1f800000
 287    {NULL, 0x12c00000, 0x080000, MAP_TAG_OTHER}, // 0x1fc00000
 288    {NULL, 0x11000000, 0x800000, MAP_TAG_LUTS},  // 0x08000000
 289    {NULL, 0x12000000, 0x200000, MAP_TAG_VRAM},  // 0x00000000
 290 };
 291
 292 void* pl_3ds_mmap(unsigned long addr, size_t size, int is_fixed,
 293         enum psxMapTag tag)
 294 {
 295    (void)is_fixed;
 296    (void)addr;
 297
 298    if (__ctr_svchax)
 299    {
 300       psx_map_t* custom_map = custom_psx_maps;
 301
 302       for (; custom_map->size; custom_map++)
 303       {
 304          if ((custom_map->size == size) && (custom_map->tag == tag))
 305          {
 306             uint32_t ptr_aligned, tmp;
 307
 308             custom_map->buffer = malloc(size + 0x1000);
 309             ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
 310
 311             if(svcControlMemory(&tmp, (void*)custom_map->target_map, (void*)ptr_aligned, size, MEMOP_MAP, 0x3) < 0)
 312             {
 313                SysPrintf("could not map memory @0x%08X\n", custom_map->target_map);
 314                exit(1);
 315             }
 316
 317             return (void*)custom_map->target_map;
 318          }
 319       }
 320    }
 321
 322    return malloc(size);
 323 }
 324
 325 void pl_3ds_munmap(void *ptr, size_t size, enum psxMapTag tag)
 326 {
 327    (void)tag;
 328
 329    if (__ctr_svchax)
 330    {
 331       psx_map_t* custom_map = custom_psx_maps;
 332
 333       for (; custom_map->size; custom_map++)
 334       {
 335          if ((custom_map->target_map == (uint32_t)ptr))
 336          {
 337             uint32_t ptr_aligned, tmp;
 338
 339             ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
 340
 341             svcControlMemory(&tmp, (void*)custom_map->target_map, (void*)ptr_aligned, size, MEMOP_UNMAP, 0x3);
 342
 343             free(custom_map->buffer);
 344             custom_map->buffer = NULL;
 345             return;
 346          }
 347       }
 348    }
 349
 350    free(ptr);
 351 }
 352 #endif
 353
 354 #ifdef VITA
 355 typedef struct
 356 {
 357    void* buffer;
 358    uint32_t target_map;
 359    size_t size;
 360    enum psxMapTag tag;
 361 }psx_map_t;
 362
 363 void* addr = NULL;
 364
 365 psx_map_t custom_psx_maps[] = {
 366    {NULL, NULL, 0x210000, MAP_TAG_RAM},   // 0x80000000
 367    {NULL, NULL, 0x010000, MAP_TAG_OTHER}, // 0x1f800000
 368    {NULL, NULL, 0x080000, MAP_TAG_OTHER}, // 0x1fc00000
 369    {NULL, NULL, 0x800000, MAP_TAG_LUTS},  // 0x08000000
 370    {NULL, NULL, 0x200000, MAP_TAG_VRAM},  // 0x00000000
 371 };
 372
 373 int init_vita_mmap(){
 374   int n;
 375   void * tmpaddr;
 376   addr = malloc(64*1024*1024);
 377   if(addr==NULL)
 378     return -1;
 379   tmpaddr = ((u32)(addr+0xFFFFFF))&~0xFFFFFF;
 380   custom_psx_maps[0].buffer=tmpaddr+0x2000000;
 381   custom_psx_maps[1].buffer=tmpaddr+0x1800000;
 382   custom_psx_maps[2].buffer=tmpaddr+0x1c00000;
 383   custom_psx_maps[3].buffer=tmpaddr+0x0000000;
 384   custom_psx_maps[4].buffer=tmpaddr+0x1000000;
 385 #if 0
 386   for(n = 0; n < 5; n++){
 387     sceClibPrintf("addr reserved %x\n",custom_psx_maps[n].buffer);
 388   }
 389 #endif
 390   return 0;
 391 }
 392
 393 void deinit_vita_mmap(){
 394   free(addr);
 395 }
 396
 397 void* pl_vita_mmap(unsigned long addr, size_t size, int is_fixed,
 398         enum psxMapTag tag)
 399 {
 400    (void)is_fixed;
 401    (void)addr;
 402
 403
 404     psx_map_t* custom_map = custom_psx_maps;
 405
 406     for (; custom_map->size; custom_map++)
 407     {
 408        if ((custom_map->size == size) && (custom_map->tag == tag))
 409        {
 410           return custom_map->buffer;
 411        }
 412     }
 413
 414
 415    return malloc(size);
 416 }
 417
 418 void pl_vita_munmap(void *ptr, size_t size, enum psxMapTag tag)
 419 {
 420    (void)tag;
 421
 422    psx_map_t* custom_map = custom_psx_maps;
 423
 424   for (; custom_map->size; custom_map++)
 425   {
 426      if ((custom_map->buffer == ptr))
 427      {
 428         return;
 429      }
 430   }
 431
 432    free(ptr);
 433 }
 434 #endif
 435
 436 static void *pl_mmap(unsigned int size)
 437 {
 438         return psxMap(0, size, 0, MAP_TAG_VRAM);
 439 }
 440
 441 static void pl_munmap(void *ptr, unsigned int size)
 442 {
 443         psxUnmap(ptr, size, MAP_TAG_VRAM);
 444 }
 445
 446 struct rearmed_cbs pl_rearmed_cbs = {
 447         .pl_vout_open = vout_open,
 448         .pl_vout_set_mode = vout_set_mode,
 449         .pl_vout_flip = vout_flip,
 450         .pl_vout_close = vout_close,
 451         .mmap = pl_mmap,
 452         .munmap = pl_munmap,
 453         /* from psxcounters */
 454         .gpu_hcnt = &hSyncCount,
 455         .gpu_frame_count = &frame_counter,
 456 };
 457
 458 void pl_frame_limit(void)
 459 {
 460         /* called once per frame, make psxCpu->Execute() above return */
 461         stop = 1;
 462 }
 463
 464 void pl_timing_prepare(int is_pal)
 465 {
 466         is_pal_mode = is_pal;
 467 }
 468
 469 void plat_trigger_vibrate(int pad, int low, int high)
 470 {
 471         if (!rumble_cb)
 472                 return;
 473
 474         if (in_enable_vibration)
 475         {
 476                 rumble_cb(pad, RETRO_RUMBLE_STRONG, high << 8);
 477                 rumble_cb(pad, RETRO_RUMBLE_WEAK, low ? 0xffff : 0x0);
 478     }
 479 }
 480
 481 void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in)
 482 {
 483 }
 484
 485 /* sound calls */
 486 static void snd_feed(void *buf, int bytes)
 487 {
 488         if (audio_batch_cb != NULL)
 489                 audio_batch_cb(buf, bytes / 4);
 490 }
 491
 492 void out_register_libretro(struct out_driver *drv)
 493 {
 494         drv->name = "libretro";
 495         drv->init = snd_init;
 496         drv->finish = snd_finish;
 497         drv->busy = snd_busy;
 498         drv->feed = snd_feed;
 499 }
 500
 501 /* libretro */
 502 void retro_set_environment(retro_environment_t cb)
 503 {
 504    environ_cb = cb;
 505
 506    if (cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &logging))
 507       log_cb = logging.log;
 508
 509    libretro_set_core_options(environ_cb);
 510 }
 511
 512 void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
 513 void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
 514 void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
 515 void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
 516 void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
 517
 518 unsigned retro_api_version(void)
 519 {
 520         return RETRO_API_VERSION;
 521 }
 522
 523 static int controller_port_variable(unsigned port, struct retro_variable *var)
 524 {
 525         if (port >= PORTS_NUMBER)
 526                 return 0;
 527
 528         if (!environ_cb)
 529                 return 0;
 530
 531         var->value = NULL;
 532         switch (port) {
 533         case 0:
 534                 var->key = "pcsx_rearmed_pad1type";
 535                 break;
 536         case 1:
 537                 var->key = "pcsx_rearmed_pad2type";
 538                 break;
 539         case 2:
 540                 var->key = "pcsx_rearmed_pad3type";
 541                 break;
 542         case 3:
 543                 var->key = "pcsx_rearmed_pad4type";
 544                 break;
 545         case 4:
 546                 var->key = "pcsx_rearmed_pad5type";
 547                 break;
 548         case 5:
 549                 var->key = "pcsx_rearmed_pad6type";
 550                 break;
 551         case 6:
 552                 var->key = "pcsx_rearmed_pad7type";
 553                 break;
 554         case 7:
 555                 var->key = "pcsx_rearmed_pad8type";
 556                 break;
 557         }
 558
 559         return environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, var) || var->value;
 560 }
 561
 562 static void update_controller_port_variable(unsigned port)
 563 {
 564         if (port >= PORTS_NUMBER)
 565                 return;
 566
 567         struct retro_variable var;
 568
 569         if (controller_port_variable(port, &var))
 570         {
 571                 if (strcmp(var.value, "standard") == 0)
 572                         in_type[port] = PSE_PAD_TYPE_STANDARD;
 573                 else if (strcmp(var.value, "analog") == 0)
 574                         in_type[port] = PSE_PAD_TYPE_ANALOGJOY;
 575                 else if (strcmp(var.value, "dualshock") == 0)
 576                         in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
 577                 else if (strcmp(var.value, "negcon") == 0)
 578                         in_type[port] = PSE_PAD_TYPE_NEGCON;
 579                 else if (strcmp(var.value, "guncon") == 0)
 580                         in_type[port] = PSE_PAD_TYPE_GUNCON;
 581                 else if (strcmp(var.value, "none") == 0)
 582                         in_type[port] = PSE_PAD_TYPE_NONE;
 583                 // else 'default' case, do nothing
 584         }
 585 }
 586
 587 static void update_controller_port_device(unsigned port, unsigned device)
 588 {
 589         if (port >= PORTS_NUMBER)
 590                 return;
 591
 592         struct retro_variable var;
 593
 594         if (!controller_port_variable(port, &var))
 595                 return;
 596
 597         if (strcmp(var.value, "default") != 0)
 598                 return;
 599
 600         switch (device)
 601         {
 602         case RETRO_DEVICE_JOYPAD:
 603                 in_type[port] = PSE_PAD_TYPE_STANDARD;
 604                 break;
 605         case RETRO_DEVICE_ANALOG:
 606                 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
 607                 break;
 608         case RETRO_DEVICE_MOUSE:
 609                 in_type[port] = PSE_PAD_TYPE_MOUSE;
 610                 break;
 611         case RETRO_DEVICE_LIGHTGUN:
 612                 in_type[port] = PSE_PAD_TYPE_GUN;
 613                 break;
 614         case RETRO_DEVICE_NONE:
 615         default:
 616                 in_type[port] = PSE_PAD_TYPE_NONE;
 617         }
 618 }
 619
 620 static void update_multitap()
 621 {
 622         struct retro_variable var;
 623         int auto_case, port;
 624
 625         var.value = NULL;
 626         var.key = "pcsx_rearmed_multitap1";
 627         auto_case = 0;
 628         if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value))
 629         {
 630                 if (strcmp(var.value, "enabled") == 0)
 631                         multitap1 = 1;
 632                 else if (strcmp(var.value, "disabled") == 0)
 633                         multitap1 = 0;
 634                 else // 'auto' case
 635                         auto_case = 1;
 636         }
 637         else
 638                 auto_case = 1;
 639
 640         if (auto_case)
 641         {
 642                 // If a gamepad is plugged after port 2, we need a first multitap.
 643                 multitap1 = 0;
 644                 for (port = 2; port < PORTS_NUMBER; port++)
 645                         multitap1 |= in_type[port] != PSE_PAD_TYPE_NONE;
 646         }
 647
 648         var.value = NULL;
 649         var.key = "pcsx_rearmed_multitap2";
 650         auto_case = 0;
 651         if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value))
 652         {
 653                 if (strcmp(var.value, "enabled") == 0)
 654                         multitap2 = 1;
 655                 else if (strcmp(var.value, "disabled") == 0)
 656                         multitap2 = 0;
 657                 else // 'auto' case
 658                         auto_case = 1;
 659         }
 660         else
 661                 auto_case = 1;
 662
 663         if (auto_case)
 664         {
 665                 // If a gamepad is plugged after port 4, we need a second multitap.
 666                 multitap2 = 0;
 667                 for (port = 4; port < PORTS_NUMBER; port++)
 668                         multitap2 |= in_type[port] != PSE_PAD_TYPE_NONE;
 669         }
 670 }
 671
 672 void retro_set_controller_port_device(unsigned port, unsigned device)
 673 {
 674         SysPrintf("port %u  device %u",port,device);
 675
 676         if (port >= PORTS_NUMBER)
 677                 return;
 678
 679         update_controller_port_device(port, device);
 680         update_multitap();
 681 }
 682
 683 void retro_get_system_info(struct retro_system_info *info)
 684 {
 685         memset(info, 0, sizeof(*info));
 686         info->library_name = "PCSX-ReARMed";
 687 #ifndef GIT_VERSION
 688 #define GIT_VERSION ""
 689 #endif
 690         info->library_version = "r22" GIT_VERSION;
 691         info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u|chd";
 692         info->need_fullpath = true;
 693 }
 694
 695 void retro_get_system_av_info(struct retro_system_av_info *info)
 696 {
 697
 698         unsigned geom_height = vout_height > 0 ? vout_height : 240;
 699         unsigned geom_width = vout_width > 0 ? vout_width : 320;
 700
 701         memset(info, 0, sizeof(*info));
 702         info->timing.fps            = is_pal_mode ? 50 : 60;
 703         info->timing.sample_rate    = 44100;
 704         info->geometry.base_width   = geom_width;
 705         info->geometry.base_height  = geom_height;
 706         info->geometry.max_width    = VOUT_MAX_WIDTH;
 707         info->geometry.max_height   = VOUT_MAX_HEIGHT;
 708         info->geometry.aspect_ratio = 4.0 / 3.0;
 709 }
 710
 711 /* savestates */
 712 size_t retro_serialize_size(void)
 713 {
 714         // it's currently 4380651-4397047 bytes,
 715         // but have some reserved for future
 716         return 0x440000;
 717 }
 718
 719 struct save_fp {
 720         char *buf;
 721         size_t pos;
 722         int is_write;
 723 };
 724
 725 static void *save_open(const char *name, const char *mode)
 726 {
 727         struct save_fp *fp;
 728
 729         if (name == NULL || mode == NULL)
 730                 return NULL;
 731
 732         fp = malloc(sizeof(*fp));
 733         if (fp == NULL)
 734                 return NULL;
 735
 736         fp->buf = (char *)name;
 737         fp->pos = 0;
 738         fp->is_write = (mode[0] == 'w' || mode[1] == 'w');
 739
 740         return fp;
 741 }
 742
 743 static int save_read(void *file, void *buf, u32 len)
 744 {
 745         struct save_fp *fp = file;
 746         if (fp == NULL || buf == NULL)
 747                 return -1;
 748
 749         memcpy(buf, fp->buf + fp->pos, len);
 750         fp->pos += len;
 751         return len;
 752 }
 753
 754 static int save_write(void *file, const void *buf, u32 len)
 755 {
 756         struct save_fp *fp = file;
 757         if (fp == NULL || buf == NULL)
 758                 return -1;
 759
 760         memcpy(fp->buf + fp->pos, buf, len);
 761         fp->pos += len;
 762         return len;
 763 }
 764
 765 static long save_seek(void *file, long offs, int whence)
 766 {
 767         struct save_fp *fp = file;
 768         if (fp == NULL)
 769                 return -1;
 770
 771         switch (whence) {
 772         case SEEK_CUR:
 773                 fp->pos += offs;
 774                 return fp->pos;
 775         case SEEK_SET:
 776                 fp->pos = offs;
 777                 return fp->pos;
 778         default:
 779                 return -1;
 780         }
 781 }
 782
 783 static void save_close(void *file)
 784 {
 785         struct save_fp *fp = file;
 786         size_t r_size = retro_serialize_size();
 787         if (fp == NULL)
 788                 return;
 789
 790         if (fp->pos > r_size)
 791                 SysPrintf("ERROR: save buffer overflow detected\n");
 792         else if (fp->is_write && fp->pos < r_size)
 793                 // make sure we don't save trash in leftover space
 794                 memset(fp->buf + fp->pos, 0, r_size - fp->pos);
 795         free(fp);
 796 }
 797
 798 bool retro_serialize(void *data, size_t size)
 799 {
 800         int ret = SaveState(data);
 801         return ret == 0 ? true : false;
 802 }
 803
 804 bool retro_unserialize(const void *data, size_t size)
 805 {
 806         int ret = LoadState(data);
 807         return ret == 0 ? true : false;
 808 }
 809
 810 /* cheats */
 811 void retro_cheat_reset(void)
 812 {
 813         ClearAllCheats();
 814 }
 815
 816 void retro_cheat_set(unsigned index, bool enabled, const char *code)
 817 {
 818         char buf[256];
 819         int ret;
 820
 821         // cheat funcs are destructive, need a copy..
 822         strncpy(buf, code, sizeof(buf));
 823         buf[sizeof(buf) - 1] = 0;
 824
 825         //Prepare buffered cheat for PCSX's AddCheat fucntion.
 826         int cursor=0;
 827         int nonhexdec=0;
 828         while (buf[cursor]){
 829                 if (!(ISHEXDEC)){
 830                         if (++nonhexdec%2){
 831                                 buf[cursor]=' ';
 832                         } else {
 833                                 buf[cursor]='\n';
 834                         }
 835                 }
 836                 cursor++;
 837         }
 838
 839
 840         if (index < NumCheats)
 841                 ret = EditCheat(index, "", buf);
 842         else
 843                 ret = AddCheat("", buf);
 844
 845         if (ret != 0)
 846                 SysPrintf("Failed to set cheat %#u\n", index);
 847         else if (index < NumCheats)
 848                 Cheats[index].Enabled = enabled;
 849 }
 850
 851 // just in case, maybe a win-rt port in the future?
 852 #ifdef _WIN32
 853 #define SLASH '\\'
 854 #else
 855 #define SLASH '/'
 856 #endif
 857
 858 #ifndef PATH_MAX
 859 #define PATH_MAX  4096
 860 #endif
 861
 862 /* multidisk support */
 863 static unsigned int disk_initial_index;
 864 static char disk_initial_path[PATH_MAX];
 865 static bool disk_ejected;
 866 static unsigned int disk_current_index;
 867 static unsigned int disk_count;
 868 static struct disks_state {
 869         char *fname;
 870         char *flabel;
 871         int internal_index; // for multidisk eboots
 872 } disks[8];
 873
 874 static void get_disk_label(char *disk_label, const char *disk_path, size_t len)
 875 {
 876         const char *base = NULL;
 877
 878         if (!disk_path || (*disk_path == '\0'))
 879                 return;
 880
 881         base = strrchr(disk_path, SLASH);
 882         if (!base)
 883                 base = disk_path;
 884
 885         if (*base == SLASH)
 886                 base++;
 887
 888         strncpy(disk_label, base, len - 1);
 889         disk_label[len - 1] = '\0';
 890
 891         char *ext = strrchr(disk_label, '.');
 892         if (ext)
 893                 *ext = '\0';
 894 }
 895
 896 static void disk_init(void)
 897 {
 898         size_t i;
 899
 900         disk_ejected       = false;
 901         disk_current_index = 0;
 902         disk_count         = 0;
 903
 904         for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++) {
 905                 if (disks[i].fname != NULL) {
 906                         free(disks[i].fname);
 907                         disks[i].fname = NULL;
 908                 }
 909                 if (disks[i].flabel != NULL) {
 910                         free(disks[i].flabel);
 911                         disks[i].flabel = NULL;
 912                 }
 913                 disks[i].internal_index = 0;
 914         }
 915 }
 916
 917 static bool disk_set_eject_state(bool ejected)
 918 {
 919         // weird PCSX API..
 920         SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2));
 921         LidInterrupt();
 922
 923         disk_ejected = ejected;
 924         return true;
 925 }
 926
 927 static bool disk_get_eject_state(void)
 928 {
 929         /* can't be controlled by emulated software */
 930         return disk_ejected;
 931 }
 932
 933 static unsigned int disk_get_image_index(void)
 934 {
 935         return disk_current_index;
 936 }
 937
 938 static bool disk_set_image_index(unsigned int index)
 939 {
 940         if (index >= sizeof(disks) / sizeof(disks[0]))
 941                 return false;
 942
 943         CdromId[0] = '\0';
 944         CdromLabel[0] = '\0';
 945
 946         if (disks[index].fname == NULL) {
 947                 SysPrintf("missing disk #%u\n", index);
 948                 CDR_shutdown();
 949
 950                 // RetroArch specifies "no disk" with index == count,
 951                 // so don't fail here..
 952                 disk_current_index = index;
 953                 return true;
 954         }
 955
 956         SysPrintf("switching to disk %u: \"%s\" #%d\n", index,
 957                 disks[index].fname, disks[index].internal_index);
 958
 959         cdrIsoMultidiskSelect = disks[index].internal_index;
 960         set_cd_image(disks[index].fname);
 961         if (ReloadCdromPlugin() < 0) {
 962                 SysPrintf("failed to load cdr plugin\n");
 963                 return false;
 964         }
 965         if (CDR_open() < 0) {
 966                 SysPrintf("failed to open cdr plugin\n");
 967                 return false;
 968         }
 969
 970         if (!disk_ejected) {
 971                 SetCdOpenCaseTime(time(NULL) + 2);
 972                 LidInterrupt();
 973         }
 974
 975         disk_current_index = index;
 976         return true;
 977 }
 978
 979 static unsigned int disk_get_num_images(void)
 980 {
 981         return disk_count;
 982 }
 983
 984 static bool disk_replace_image_index(unsigned index,
 985         const struct retro_game_info *info)
 986 {
 987         char *old_fname  = NULL;
 988         char *old_flabel = NULL;
 989         bool ret         = true;
 990
 991         if (index >= sizeof(disks) / sizeof(disks[0]))
 992                 return false;
 993
 994         old_fname  = disks[index].fname;
 995         old_flabel = disks[index].flabel;
 996
 997         disks[index].fname          = NULL;
 998         disks[index].flabel         = NULL;
 999         disks[index].internal_index = 0;
1000
1001         if (info != NULL) {
1002                 char disk_label[PATH_MAX];
1003                 disk_label[0] = '\0';
1004
1005                 disks[index].fname = strdup(info->path);
1006
1007                 get_disk_label(disk_label, info->path, PATH_MAX);
1008                 disks[index].flabel = strdup(disk_label);
1009
1010                 if (index == disk_current_index)
1011                         ret = disk_set_image_index(index);
1012         }
1013
1014         if (old_fname != NULL)
1015                 free(old_fname);
1016
1017         if (old_flabel != NULL)
1018                 free(old_flabel);
1019
1020         return ret;
1021 }
1022
1023 static bool disk_add_image_index(void)
1024 {
1025         if (disk_count >= 8)
1026                 return false;
1027
1028         disk_count++;
1029         return true;
1030 }
1031
1032 static bool disk_set_initial_image(unsigned index, const char *path)
1033 {
1034         if (index >= sizeof(disks) / sizeof(disks[0]))
1035                 return false;
1036
1037         if (!path || (*path == '\0'))
1038                 return false;
1039
1040         disk_initial_index = index;
1041
1042         strncpy(disk_initial_path, path, sizeof(disk_initial_path) - 1);
1043         disk_initial_path[sizeof(disk_initial_path) - 1] = '\0';
1044
1045         return true;
1046 }
1047
1048 static bool disk_get_image_path(unsigned index, char *path, size_t len)
1049 {
1050         const char *fname = NULL;
1051
1052         if (len < 1)
1053                 return false;
1054
1055         if (index >= sizeof(disks) / sizeof(disks[0]))
1056                 return false;
1057
1058         fname = disks[index].fname;
1059
1060         if (!fname || (*fname == '\0'))
1061                 return false;
1062
1063         strncpy(path, fname, len - 1);
1064         path[len - 1] = '\0';
1065
1066         return true;
1067 }
1068
1069 static bool disk_get_image_label(unsigned index, char *label, size_t len)
1070 {
1071         const char *flabel = NULL;
1072
1073         if (len < 1)
1074                 return false;
1075
1076         if (index >= sizeof(disks) / sizeof(disks[0]))
1077                 return false;
1078
1079         flabel = disks[index].flabel;
1080
1081         if (!flabel || (*flabel == '\0'))
1082                 return false;
1083
1084         strncpy(label, flabel, len - 1);
1085         label[len - 1] = '\0';
1086
1087         return true;
1088 }
1089
1090 static struct retro_disk_control_callback disk_control = {
1091         .set_eject_state = disk_set_eject_state,
1092         .get_eject_state = disk_get_eject_state,
1093         .get_image_index = disk_get_image_index,
1094         .set_image_index = disk_set_image_index,
1095         .get_num_images = disk_get_num_images,
1096         .replace_image_index = disk_replace_image_index,
1097         .add_image_index = disk_add_image_index,
1098 };
1099
1100 static struct retro_disk_control_ext_callback disk_control_ext = {
1101         .set_eject_state = disk_set_eject_state,
1102         .get_eject_state = disk_get_eject_state,
1103         .get_image_index = disk_get_image_index,
1104         .set_image_index = disk_set_image_index,
1105         .get_num_images = disk_get_num_images,
1106         .replace_image_index = disk_replace_image_index,
1107         .add_image_index = disk_add_image_index,
1108         .set_initial_image = disk_set_initial_image,
1109         .get_image_path = disk_get_image_path,
1110         .get_image_label = disk_get_image_label,
1111 };
1112
1113 static char base_dir[1024];
1114
1115 static bool read_m3u(const char *file)
1116 {
1117         char line[1024];
1118         char name[PATH_MAX];
1119         FILE *f = fopen(file, "r");
1120         if (!f)
1121                 return false;
1122
1123         while (fgets(line, sizeof(line), f) && disk_count < sizeof(disks) / sizeof(disks[0])) {
1124                 if (line[0] == '#')
1125                         continue;
1126                 char *carrige_return = strchr(line, '\r');
1127                 if (carrige_return)
1128                         *carrige_return = '\0';
1129                 char *newline = strchr(line, '\n');
1130                 if (newline)
1131                         *newline = '\0';
1132
1133                 if (line[0] != '\0')
1134                 {
1135                         char disk_label[PATH_MAX];
1136                         disk_label[0] = '\0';
1137
1138                         snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
1139                         disks[disk_count].fname = strdup(name);
1140
1141                         get_disk_label(disk_label, name, PATH_MAX);
1142                         disks[disk_count].flabel = strdup(disk_label);
1143
1144                         disk_count++;
1145                 }
1146         }
1147
1148         fclose(f);
1149         return (disk_count != 0);
1150 }
1151
1152 static void extract_directory(char *buf, const char *path, size_t size)
1153 {
1154    char *base;
1155    strncpy(buf, path, size - 1);
1156    buf[size - 1] = '\0';
1157
1158    base = strrchr(buf, '/');
1159    if (!base)
1160       base = strrchr(buf, '\\');
1161
1162    if (base)
1163       *base = '\0';
1164    else
1165    {
1166       buf[0] = '.';
1167       buf[1] = '\0';
1168    }
1169 }
1170
1171 #if defined(__QNX__) || defined(_WIN32)
1172 /* Blackberry QNX doesn't have strcasestr */
1173
1174 /*
1175  * Find the first occurrence of find in s, ignore case.
1176  */
1177 char *
1178 strcasestr(const char *s, const char*find)
1179 {
1180         char c, sc;
1181         size_t len;
1182
1183         if ((c = *find++) != 0) {
1184                 c = tolower((unsigned char)c);
1185                 len = strlen(find);
1186                 do {
1187                         do {
1188                                 if ((sc = *s++) == 0)
1189                                         return (NULL);
1190                         } while ((char)tolower((unsigned char)sc) != c);
1191                 } while (strncasecmp(s, find, len) != 0);
1192                 s--;
1193         }
1194         return ((char *)s);
1195 }
1196 #endif
1197
1198 static void set_retro_memmap(void)
1199 {
1200         struct retro_memory_map retromap = { 0 };
1201         struct retro_memory_descriptor mmap =
1202         {
1203                 0, psxM, 0, 0, 0, 0, 0x200000
1204         };
1205
1206         retromap.descriptors = &mmap;
1207         retromap.num_descriptors = 1;
1208
1209     environ_cb(RETRO_ENVIRONMENT_SET_MEMORY_MAPS, &retromap);
1210 }
1211
1212 bool retro_load_game(const struct retro_game_info *info)
1213 {
1214         size_t i;
1215         unsigned int cd_index = 0;
1216         bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
1217
1218    struct retro_input_descriptor desc[] = {
1219       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT,  "D-Pad Left" },
1220       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP,    "D-Pad Up" },
1221       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN,  "D-Pad Down" },
1222       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1223       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B,     "Cross" },
1224       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A,     "Circle" },
1225       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X,     "Triangle" },
1226       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y,     "Square" },
1227       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L,     "L1" },
1228       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2,    "L2" },
1229       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3,    "L3" },
1230       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R,     "R1" },
1231       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2,    "R2" },
1232       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3,    "R3" },
1233       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,    "Select" },
1234       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START,    "Start" },
1235       { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1236       { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1237       { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1238       { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1239
1240
1241       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT,  "D-Pad Left" },
1242       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP,    "D-Pad Up" },
1243       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN,  "D-Pad Down" },
1244       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1245       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B,     "Cross" },
1246       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A,     "Circle" },
1247       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X,     "Triangle" },
1248       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y,     "Square" },
1249       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L,     "L1" },
1250       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2,    "L2" },
1251       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3,    "L3" },
1252       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R,     "R1" },
1253       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2,    "R2" },
1254       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3,    "R3" },
1255       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,    "Select" },
1256       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START,    "Start" },
1257       { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1258       { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1259       { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1260       { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1261
1262       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT,  "D-Pad Left" },
1263       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP,    "D-Pad Up" },
1264       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN,  "D-Pad Down" },
1265       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1266       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B,     "Cross" },
1267       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A,     "Circle" },
1268       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X,     "Triangle" },
1269       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y,     "Square" },
1270       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L,     "L1" },
1271       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2,    "L2" },
1272       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3,    "L3" },
1273       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R,     "R1" },
1274       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2,    "R2" },
1275       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3,    "R3" },
1276       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,    "Select" },
1277       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START,    "Start" },
1278       { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1279       { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1280       { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1281       { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1282
1283       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT,  "D-Pad Left" },
1284       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP,    "D-Pad Up" },
1285       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN,  "D-Pad Down" },
1286       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1287       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B,     "Cross" },
1288       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A,     "Circle" },
1289       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X,     "Triangle" },
1290       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y,     "Square" },
1291       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L,     "L1" },
1292       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2,    "L2" },
1293       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3,    "L3" },
1294       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R,     "R1" },
1295       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2,    "R2" },
1296       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3,    "R3" },
1297       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,    "Select" },
1298       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START,    "Start" },
1299       { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1300       { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1301       { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1302       { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1303
1304       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT,  "D-Pad Left" },
1305       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP,    "D-Pad Up" },
1306       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN,  "D-Pad Down" },
1307       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1308       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B,     "Cross" },
1309       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A,     "Circle" },
1310       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X,     "Triangle" },
1311       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y,     "Square" },
1312       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L,     "L1" },
1313       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2,    "L2" },
1314       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3,    "L3" },
1315       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R,     "R1" },
1316       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2,    "R2" },
1317       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3,    "R3" },
1318       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,    "Select" },
1319       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START,    "Start" },
1320       { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1321       { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1322       { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1323       { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1324
1325       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT,  "D-Pad Left" },
1326       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP,    "D-Pad Up" },
1327       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN,  "D-Pad Down" },
1328       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1329       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B,     "Cross" },
1330       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A,     "Circle" },
1331       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X,     "Triangle" },
1332       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y,     "Square" },
1333       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L,     "L1" },
1334       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2,    "L2" },
1335       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3,    "L3" },
1336       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R,     "R1" },
1337       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2,    "R2" },
1338       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3,    "R3" },
1339       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,    "Select" },
1340       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START,    "Start" },
1341       { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1342       { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1343       { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1344       { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1345
1346       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT,  "D-Pad Left" },
1347       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP,    "D-Pad Up" },
1348       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN,  "D-Pad Down" },
1349       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1350       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B,     "Cross" },
1351       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A,     "Circle" },
1352       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X,     "Triangle" },
1353       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y,     "Square" },
1354       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L,     "L1" },
1355       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2,    "L2" },
1356       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3,    "L3" },
1357       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R,     "R1" },
1358       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2,    "R2" },
1359       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3,    "R3" },
1360       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,    "Select" },
1361       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START,    "Start" },
1362       { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1363       { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1364       { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1365       { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1366
1367       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT,  "D-Pad Left" },
1368       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP,    "D-Pad Up" },
1369       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN,  "D-Pad Down" },
1370       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1371       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B,     "Cross" },
1372       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A,     "Circle" },
1373       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X,     "Triangle" },
1374       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y,     "Square" },
1375       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L,     "L1" },
1376       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2,    "L2" },
1377       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3,    "L3" },
1378       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R,     "R1" },
1379       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2,    "R2" },
1380       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3,    "R3" },
1381       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,    "Select" },
1382       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START,    "Start" },
1383       { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1384       { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1385       { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1386       { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1387
1388       { 0 },
1389    };
1390
1391          frame_count = 0;
1392
1393    environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
1394
1395 #ifdef FRONTEND_SUPPORTS_RGB565
1396         enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
1397         if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) {
1398                 SysPrintf("RGB565 supported, using it\n");
1399         }
1400 #endif
1401
1402         if (info == NULL || info->path == NULL) {
1403                 SysPrintf("info->path required\n");
1404                 return false;
1405         }
1406
1407         if (plugins_opened) {
1408                 ClosePlugins();
1409                 plugins_opened = 0;
1410         }
1411
1412         disk_init();
1413
1414         extract_directory(base_dir, info->path, sizeof(base_dir));
1415
1416         if (is_m3u) {
1417                 if (!read_m3u(info->path)) {
1418                         log_cb(RETRO_LOG_INFO, "failed to read m3u file\n");
1419                         return false;
1420                 }
1421         } else {
1422                 char disk_label[PATH_MAX];
1423                 disk_label[0] = '\0';
1424
1425                 disk_count = 1;
1426                 disks[0].fname = strdup(info->path);
1427
1428                 get_disk_label(disk_label, info->path, PATH_MAX);
1429                 disks[0].flabel = strdup(disk_label);
1430         }
1431
1432         /* If this is an M3U file, attempt to set the
1433          * initial disk image */
1434         if (is_m3u &&
1435                  (disk_initial_index > 0) &&
1436                  (disk_initial_index < disk_count))     {
1437                 const char *fname = disks[disk_initial_index].fname;
1438
1439                 if (fname && (*fname != '\0'))
1440                         if (strcmp(disk_initial_path, fname) == 0)
1441                                 cd_index = disk_initial_index;
1442         }
1443
1444         set_cd_image(disks[cd_index].fname);
1445         disk_current_index = cd_index;
1446
1447         /* have to reload after set_cd_image for correct cdr plugin */
1448         if (LoadPlugins() == -1) {
1449                 log_cb(RETRO_LOG_INFO, "failed to load plugins\n");
1450                 return false;
1451         }
1452
1453         plugins_opened = 1;
1454         NetOpened = 0;
1455
1456         if (OpenPlugins() == -1) {
1457                 log_cb(RETRO_LOG_INFO, "failed to open plugins\n");
1458                 return false;
1459         }
1460
1461         /* Handle multi-disk images (i.e. PBP)
1462          * > Cannot do this until after OpenPlugins() is
1463          *   called (since this sets the value of
1464          *   cdrIsoMultidiskCount) */
1465         if (!is_m3u && (cdrIsoMultidiskCount > 1)) {
1466                 disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8;
1467
1468                 /* Small annoyance: We need to change the label
1469                  * of disk 0, so have to clear existing entries */
1470                 if (disks[0].fname != NULL)
1471                         free(disks[0].fname);
1472                 disks[0].fname = NULL;
1473
1474                 if (disks[0].flabel != NULL)
1475                         free(disks[0].flabel);
1476                 disks[0].flabel = NULL;
1477
1478                 for (i = 0; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++) {
1479                         char disk_name[PATH_MAX];
1480                         char disk_label[PATH_MAX];
1481                         disk_name[0]  = '\0';
1482                         disk_label[0] = '\0';
1483
1484                         disks[i].fname = strdup(info->path);
1485
1486                         get_disk_label(disk_name, info->path, PATH_MAX);
1487                         snprintf(disk_label, sizeof(disk_label), "%s #%u", disk_name, (unsigned)i + 1);
1488                         disks[i].flabel = strdup(disk_label);
1489
1490                         disks[i].internal_index = i;
1491                 }
1492
1493                 /* This is not an M3U file, so initial disk
1494                  * image has not yet been set - attempt to
1495                  * do so now */
1496                 if ((disk_initial_index > 0) &&
1497                          (disk_initial_index < disk_count))     {
1498                         const char *fname = disks[disk_initial_index].fname;
1499
1500                         if (fname && (*fname != '\0'))
1501                                 if (strcmp(disk_initial_path, fname) == 0)
1502                                         cd_index = disk_initial_index;
1503                 }
1504
1505                 if (cd_index > 0) {
1506                         CdromId[0]    = '\0';
1507                         CdromLabel[0] = '\0';
1508
1509                         cdrIsoMultidiskSelect = disks[cd_index].internal_index;
1510                         disk_current_index    = cd_index;
1511                         set_cd_image(disks[cd_index].fname);
1512
1513                         if (ReloadCdromPlugin() < 0) {
1514                                 log_cb(RETRO_LOG_INFO, "failed to reload cdr plugins\n");
1515                                 return false;
1516                         }
1517                         if (CDR_open() < 0) {
1518                                 log_cb(RETRO_LOG_INFO, "failed to open cdr plugin\n");
1519                                 return false;
1520                         }
1521                 }
1522         }
1523
1524         plugin_call_rearmed_cbs();
1525         dfinput_activate();
1526
1527         if (CheckCdrom() == -1) {
1528         log_cb(RETRO_LOG_INFO, "unsupported/invalid CD image: %s\n", info->path);
1529                 return false;
1530         }
1531
1532         SysReset();
1533
1534         if (LoadCdrom() == -1) {
1535                 log_cb(RETRO_LOG_INFO, "could not load CD\n");
1536                 return false;
1537         }
1538         emu_on_new_cd(0);
1539
1540         set_retro_memmap();
1541
1542         return true;
1543 }
1544
1545 unsigned retro_get_region(void)
1546 {
1547         return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
1548 }
1549
1550 void *retro_get_memory_data(unsigned id)
1551 {
1552         if (id == RETRO_MEMORY_SAVE_RAM)
1553                 return Mcd1Data;
1554         else if (id == RETRO_MEMORY_SYSTEM_RAM)
1555                 return psxM;
1556         else
1557                 return NULL;
1558 }
1559
1560 size_t retro_get_memory_size(unsigned id)
1561 {
1562         if (id == RETRO_MEMORY_SAVE_RAM)
1563                 return MCD_SIZE;
1564         else if (id == RETRO_MEMORY_SYSTEM_RAM)
1565                 return 0x200000;
1566         else
1567                 return 0;
1568 }
1569
1570 void retro_reset(void)
1571 {
1572    //hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
1573    rebootemu = 1;
1574         //SysReset();
1575 }
1576
1577 static const unsigned short retro_psx_map[] = {
1578         [RETRO_DEVICE_ID_JOYPAD_B]      = 1 << DKEY_CROSS,
1579         [RETRO_DEVICE_ID_JOYPAD_Y]      = 1 << DKEY_SQUARE,
1580         [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT,
1581         [RETRO_DEVICE_ID_JOYPAD_START]  = 1 << DKEY_START,
1582         [RETRO_DEVICE_ID_JOYPAD_UP]     = 1 << DKEY_UP,
1583         [RETRO_DEVICE_ID_JOYPAD_DOWN]   = 1 << DKEY_DOWN,
1584         [RETRO_DEVICE_ID_JOYPAD_LEFT]   = 1 << DKEY_LEFT,
1585         [RETRO_DEVICE_ID_JOYPAD_RIGHT]  = 1 << DKEY_RIGHT,
1586         [RETRO_DEVICE_ID_JOYPAD_A]      = 1 << DKEY_CIRCLE,
1587         [RETRO_DEVICE_ID_JOYPAD_X]      = 1 << DKEY_TRIANGLE,
1588         [RETRO_DEVICE_ID_JOYPAD_L]      = 1 << DKEY_L1,
1589         [RETRO_DEVICE_ID_JOYPAD_R]      = 1 << DKEY_R1,
1590         [RETRO_DEVICE_ID_JOYPAD_L2]     = 1 << DKEY_L2,
1591         [RETRO_DEVICE_ID_JOYPAD_R2]     = 1 << DKEY_R2,
1592         [RETRO_DEVICE_ID_JOYPAD_L3]     = 1 << DKEY_L3,
1593         [RETRO_DEVICE_ID_JOYPAD_R3]     = 1 << DKEY_R3,
1594 };
1595 #define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
1596
1597 static void update_variables(bool in_flight)
1598 {
1599    struct retro_variable var;
1600    int i;
1601    int gpu_peops_fix = 0;
1602
1603    var.value = NULL;
1604    var.key = "pcsx_rearmed_frameskip";
1605    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1606       pl_rearmed_cbs.frameskip = atoi(var.value);
1607
1608    var.value = NULL;
1609    var.key = "pcsx_rearmed_region";
1610    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1611    {
1612       Config.PsxAuto = 0;
1613       if (strcmp(var.value, "auto") == 0)
1614          Config.PsxAuto = 1;
1615       else if (strcmp(var.value, "NTSC") == 0)
1616          Config.PsxType = 0;
1617       else if (strcmp(var.value, "PAL") == 0)
1618          Config.PsxType = 1;
1619    }
1620
1621    for (i = 0; i < PORTS_NUMBER; i++)
1622       update_controller_port_variable(i);
1623
1624    update_multitap();
1625
1626    var.value = NULL;
1627    var.key = "pcsx_rearmed_negcon_deadzone";
1628    negcon_deadzone = 0;
1629    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1630    {
1631       negcon_deadzone = (int)(atoi(var.value) * 0.01f * NEGCON_RANGE);
1632    }
1633
1634    var.value = NULL;
1635    var.key = "pcsx_rearmed_negcon_response";
1636    negcon_linearity = 1;
1637    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1638    {
1639       if (strcmp(var.value, "quadratic") == 0){
1640          negcon_linearity = 2;
1641       } else if (strcmp(var.value, "cubic") == 0){
1642          negcon_linearity = 3;
1643       }
1644    }
1645
1646    var.value = NULL;
1647    var.key = "pcsx_rearmed_vibration";
1648
1649    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1650    {
1651       if (strcmp(var.value, "disabled") == 0)
1652          in_enable_vibration = 0;
1653       else if (strcmp(var.value, "enabled") == 0)
1654          in_enable_vibration = 1;
1655    }
1656
1657    var.value = NULL;
1658    var.key = "pcsx_rearmed_dithering";
1659
1660    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1661    {
1662       if (strcmp(var.value, "disabled") == 0) {
1663          pl_rearmed_cbs.gpu_peops.iUseDither = 0;
1664          pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 0;
1665          pl_rearmed_cbs.gpu_unai.dithering = 0;
1666 #ifdef __ARM_NEON__
1667          pl_rearmed_cbs.gpu_neon.allow_dithering = 0;
1668 #endif
1669       }
1670       else if (strcmp(var.value, "enabled") == 0) {
1671          pl_rearmed_cbs.gpu_peops.iUseDither = 1;
1672          pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 1;
1673          pl_rearmed_cbs.gpu_unai.dithering = 1;
1674 #ifdef __ARM_NEON__
1675          pl_rearmed_cbs.gpu_neon.allow_dithering = 1;
1676 #endif
1677       }
1678    }
1679
1680 #ifdef __ARM_NEON__
1681    var.value = "NULL";
1682    var.key = "pcsx_rearmed_neon_interlace_enable";
1683
1684    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1685    {
1686       if (strcmp(var.value, "disabled") == 0)
1687          pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
1688       else if (strcmp(var.value, "enabled") == 0)
1689          pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
1690    }
1691
1692    var.value = NULL;
1693    var.key = "pcsx_rearmed_neon_enhancement_enable";
1694
1695    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1696    {
1697       if (strcmp(var.value, "disabled") == 0)
1698          pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
1699       else if (strcmp(var.value, "enabled") == 0)
1700          pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
1701    }
1702
1703    var.value = NULL;
1704    var.key = "pcsx_rearmed_neon_enhancement_no_main";
1705
1706    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1707    {
1708       if (strcmp(var.value, "disabled") == 0)
1709          pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
1710       else if (strcmp(var.value, "enabled") == 0)
1711          pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1;
1712    }
1713 #endif
1714
1715    var.value = "NULL";
1716    var.key = "pcsx_rearmed_duping_enable";
1717
1718    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1719    {
1720       if (strcmp(var.value, "disabled") == 0)
1721          duping_enable = false;
1722       else if (strcmp(var.value, "enabled") == 0)
1723          duping_enable = true;
1724    }
1725
1726    var.value = "NULL";
1727    var.key = "pcsx_rearmed_display_internal_fps";
1728
1729    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1730    {
1731       if (strcmp(var.value, "disabled") == 0)
1732          display_internal_fps = false;
1733       else if (strcmp(var.value, "enabled") == 0)
1734          display_internal_fps = true;
1735    }
1736
1737 #ifndef DRC_DISABLE
1738    var.value = NULL;
1739    var.key = "pcsx_rearmed_drc";
1740
1741    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1742    {
1743       R3000Acpu *prev_cpu = psxCpu;
1744
1745 #ifdef _3DS
1746       if(!__ctr_svchax)
1747          Config.Cpu = CPU_INTERPRETER;
1748       else
1749 #endif
1750       if (strcmp(var.value, "disabled") == 0)
1751          Config.Cpu = CPU_INTERPRETER;
1752       else if (strcmp(var.value, "enabled") == 0)
1753          Config.Cpu = CPU_DYNAREC;
1754
1755       psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
1756       if (psxCpu != prev_cpu) {
1757          prev_cpu->Shutdown();
1758          psxCpu->Init();
1759          psxCpu->Reset(); // not really a reset..
1760       }
1761    }
1762 #endif
1763
1764    var.value = "NULL";
1765    var.key = "pcsx_rearmed_spu_reverb";
1766
1767    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1768    {
1769       if (strcmp(var.value, "disabled") == 0)
1770          spu_config.iUseReverb = false;
1771       else if (strcmp(var.value, "enabled") == 0)
1772          spu_config.iUseReverb = true;
1773    }
1774
1775    var.value = "NULL";
1776    var.key = "pcsx_rearmed_spu_interpolation";
1777
1778    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1779    {
1780       if (strcmp(var.value, "simple") == 0)
1781          spu_config.iUseInterpolation = 1;
1782       else if (strcmp(var.value, "gaussian") == 0)
1783          spu_config.iUseInterpolation = 2;
1784       else if (strcmp(var.value, "cubic") == 0)
1785          spu_config.iUseInterpolation = 3;
1786       else if (strcmp(var.value, "off") == 0)
1787          spu_config.iUseInterpolation = 0;
1788    }
1789
1790    var.value = "NULL";
1791    var.key = "pcsx_rearmed_pe2_fix";
1792
1793    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1794    {
1795       if (strcmp(var.value, "disabled") == 0)
1796          Config.RCntFix = 0;
1797       else if (strcmp(var.value, "enabled") == 0)
1798          Config.RCntFix = 1;
1799    }
1800
1801    var.value = "NULL";
1802    var.key = "pcsx_rearmed_idiablofix";
1803
1804    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1805    {
1806       if (strcmp(var.value, "disabled") == 0)
1807          spu_config.idiablofix = 0;
1808       else if (strcmp(var.value, "enabled") == 0)
1809          spu_config.idiablofix = 1;
1810    }
1811
1812    var.value = "NULL";
1813    var.key = "pcsx_rearmed_inuyasha_fix";
1814
1815    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1816    {
1817       if (strcmp(var.value, "disabled") == 0)
1818          Config.VSyncWA = 0;
1819       else if (strcmp(var.value, "enabled") == 0)
1820          Config.VSyncWA = 1;
1821    }
1822
1823    var.value = NULL;
1824    var.key = "pcsx_rearmed_noxadecoding";
1825    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1826    {
1827       if (strcmp(var.value, "disabled") == 0)
1828          Config.Xa = 1;
1829       else
1830          Config.Xa = 0;
1831    }
1832
1833    var.value = NULL;
1834    var.key = "pcsx_rearmed_nocdaudio";
1835    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1836    {
1837       if (strcmp(var.value, "disabled") == 0)
1838          Config.Cdda = 1;
1839       else
1840          Config.Cdda = 0;
1841    }
1842
1843    var.value = NULL;
1844    var.key = "pcsx_rearmed_spuirq";
1845    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1846    {
1847       if (strcmp(var.value, "disabled") == 0)
1848          Config.SpuIrq = 0;
1849       else
1850          Config.SpuIrq = 1;
1851    }
1852
1853 #ifndef DRC_DISABLE
1854    var.value = NULL;
1855    var.key = "pcsx_rearmed_nosmccheck";
1856    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1857    {
1858       if (strcmp(var.value, "enabled") == 0)
1859          new_dynarec_hacks |= NDHACK_NO_SMC_CHECK;
1860       else
1861          new_dynarec_hacks &= ~NDHACK_NO_SMC_CHECK;
1862    }
1863
1864    var.value = NULL;
1865    var.key = "pcsx_rearmed_gteregsunneeded";
1866    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1867    {
1868       if (strcmp(var.value, "enabled") == 0)
1869          new_dynarec_hacks |= NDHACK_GTE_UNNEEDED;
1870       else
1871          new_dynarec_hacks &= ~NDHACK_GTE_UNNEEDED;
1872    }
1873
1874    var.value = NULL;
1875    var.key = "pcsx_rearmed_nogteflags";
1876    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1877    {
1878       if (strcmp(var.value, "enabled") == 0)
1879          new_dynarec_hacks |= NDHACK_GTE_NO_FLAGS;
1880       else
1881          new_dynarec_hacks &= ~NDHACK_GTE_NO_FLAGS;
1882    }
1883 #endif
1884
1885 #ifdef GPU_PEOPS
1886    var.value = "NULL";
1887    var.key = "pcsx_rearmed_gpu_peops_odd_even_bit";
1888
1889    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1890    {
1891       if (strcmp(var.value, "enabled") == 0)
1892          gpu_peops_fix |= GPU_PEOPS_ODD_EVEN_BIT;
1893    }
1894
1895    var.value = "NULL";
1896    var.key = "pcsx_rearmed_gpu_peops_expand_screen_width";
1897
1898    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1899    {
1900       if (strcmp(var.value, "enabled") == 0)
1901          gpu_peops_fix |= GPU_PEOPS_EXPAND_SCREEN_WIDTH;
1902    }
1903
1904    var.value = "NULL";
1905    var.key = "pcsx_rearmed_gpu_peops_ignore_brightness";
1906
1907    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1908    {
1909       if (strcmp(var.value, "enabled") == 0)
1910          gpu_peops_fix |= GPU_PEOPS_IGNORE_BRIGHTNESS;
1911    }
1912
1913    var.value = "NULL";
1914    var.key = "pcsx_rearmed_gpu_peops_disable_coord_check";
1915
1916    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1917    {
1918       if (strcmp(var.value, "enabled") == 0)
1919          gpu_peops_fix |= GPU_PEOPS_DISABLE_COORD_CHECK;
1920    }
1921
1922    var.value = "NULL";
1923    var.key = "pcsx_rearmed_gpu_peops_lazy_screen_update";
1924
1925    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1926    {
1927       if (strcmp(var.value, "enabled") == 0)
1928          gpu_peops_fix |= GPU_PEOPS_LAZY_SCREEN_UPDATE;
1929    }
1930
1931    var.value = "NULL";
1932    var.key = "pcsx_rearmed_gpu_peops_old_frame_skip";
1933
1934    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1935    {
1936       if (strcmp(var.value, "enabled") == 0)
1937          gpu_peops_fix |= GPU_PEOPS_OLD_FRAME_SKIP;
1938    }
1939
1940    var.value = "NULL";
1941    var.key = "pcsx_rearmed_gpu_peops_repeated_triangles";
1942
1943    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1944    {
1945       if (strcmp(var.value, "enabled") == 0)
1946          gpu_peops_fix |= GPU_PEOPS_REPEATED_TRIANGLES;
1947    }
1948
1949    var.value = "NULL";
1950    var.key = "pcsx_rearmed_gpu_peops_quads_with_triangles";
1951
1952    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1953    {
1954       if (strcmp(var.value, "enabled") == 0)
1955          gpu_peops_fix |= GPU_PEOPS_QUADS_WITH_TRIANGLES;
1956    }
1957
1958    var.value = "NULL";
1959    var.key = "pcsx_rearmed_gpu_peops_fake_busy_state";
1960
1961    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1962    {
1963       if (strcmp(var.value, "enabled") == 0)
1964          gpu_peops_fix |= GPU_PEOPS_FAKE_BUSY_STATE;
1965    }
1966
1967    if (pl_rearmed_cbs.gpu_peops.dwActFixes != gpu_peops_fix)
1968       pl_rearmed_cbs.gpu_peops.dwActFixes = gpu_peops_fix;
1969
1970
1971    /* Show/hide core options */
1972
1973    var.key = "pcsx_rearmed_show_gpu_peops_settings";
1974    var.value = NULL;
1975
1976    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1977    {
1978       int show_advanced_gpu_peops_settings_prev = show_advanced_gpu_peops_settings;
1979
1980       show_advanced_gpu_peops_settings = 1;
1981       if (strcmp(var.value, "disabled") == 0)
1982          show_advanced_gpu_peops_settings = 0;
1983
1984       if (show_advanced_gpu_peops_settings != show_advanced_gpu_peops_settings_prev)
1985       {
1986          unsigned i;
1987          struct retro_core_option_display option_display;
1988          char gpu_peops_option[9][45] = {
1989             "pcsx_rearmed_gpu_peops_odd_even_bit",
1990             "pcsx_rearmed_gpu_peops_expand_screen_width",
1991             "pcsx_rearmed_gpu_peops_ignore_brightness",
1992             "pcsx_rearmed_gpu_peops_disable_coord_check",
1993             "pcsx_rearmed_gpu_peops_lazy_screen_update",
1994             "pcsx_rearmed_gpu_peops_old_frame_skip",
1995             "pcsx_rearmed_gpu_peops_repeated_triangles",
1996             "pcsx_rearmed_gpu_peops_quads_with_triangles",
1997             "pcsx_rearmed_gpu_peops_fake_busy_state",
1998          };
1999
2000          option_display.visible = show_advanced_gpu_peops_settings;
2001
2002          for (i = 0; i < 9; i++)
2003          {
2004             option_display.key = gpu_peops_option[i];
2005             environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY, &option_display);
2006          }
2007       }
2008    }
2009 #endif
2010
2011 #ifdef GPU_UNAI
2012    var.key = "pcsx_rearmed_gpu_unai_ilace_force";
2013    var.value = NULL;
2014
2015    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2016    {
2017       if (strcmp(var.value, "disabled") == 0)
2018          pl_rearmed_cbs.gpu_unai.ilace_force = 0;
2019       else if (strcmp(var.value, "enabled") == 0)
2020          pl_rearmed_cbs.gpu_unai.ilace_force = 1;
2021    }
2022
2023    var.key = "pcsx_rearmed_gpu_unai_pixel_skip";
2024    var.value = NULL;
2025
2026    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2027    {
2028       if (strcmp(var.value, "disabled") == 0)
2029          pl_rearmed_cbs.gpu_unai.pixel_skip = 0;
2030       else if (strcmp(var.value, "enabled") == 0)
2031          pl_rearmed_cbs.gpu_unai.pixel_skip = 1;
2032    }
2033
2034    var.key = "pcsx_rearmed_gpu_unai_lighting";
2035    var.value = NULL;
2036
2037    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2038    {
2039       if (strcmp(var.value, "disabled") == 0)
2040          pl_rearmed_cbs.gpu_unai.lighting = 0;
2041       else if (strcmp(var.value, "enabled") == 0)
2042          pl_rearmed_cbs.gpu_unai.lighting = 1;
2043    }
2044
2045    var.key = "pcsx_rearmed_gpu_unai_fast_lighting";
2046    var.value = NULL;
2047
2048    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2049    {
2050       if (strcmp(var.value, "disabled") == 0)
2051          pl_rearmed_cbs.gpu_unai.fast_lighting = 0;
2052       else if (strcmp(var.value, "enabled") == 0)
2053          pl_rearmed_cbs.gpu_unai.fast_lighting = 1;
2054    }
2055
2056    var.key = "pcsx_rearmed_gpu_unai_blending";
2057    var.value = NULL;
2058
2059    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2060    {
2061       if (strcmp(var.value, "disabled") == 0)
2062          pl_rearmed_cbs.gpu_unai.blending = 0;
2063       else if (strcmp(var.value, "enabled") == 0)
2064          pl_rearmed_cbs.gpu_unai.blending = 1;
2065    }
2066
2067    var.key = "pcsx_rearmed_show_gpu_unai_settings";
2068    var.value = NULL;
2069
2070    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2071    {
2072       int show_advanced_gpu_unai_settings_prev = show_advanced_gpu_unai_settings;
2073
2074       show_advanced_gpu_unai_settings = 1;
2075       if (strcmp(var.value, "disabled") == 0)
2076          show_advanced_gpu_unai_settings = 0;
2077
2078       if (show_advanced_gpu_unai_settings != show_advanced_gpu_unai_settings_prev)
2079       {
2080          unsigned i;
2081          struct retro_core_option_display option_display;
2082          char gpu_unai_option[5][40] = {
2083             "pcsx_rearmed_gpu_unai_blending",
2084             "pcsx_rearmed_gpu_unai_lighting",
2085             "pcsx_rearmed_gpu_unai_fast_lighting",
2086             "pcsx_rearmed_gpu_unai_ilace_force",
2087             "pcsx_rearmed_gpu_unai_pixel_skip",
2088          };
2089
2090          option_display.visible = show_advanced_gpu_unai_settings;
2091
2092          for (i = 0; i < 5; i++)
2093          {
2094             option_display.key = gpu_unai_option[i];
2095             environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY, &option_display);
2096          }
2097       }
2098    }
2099 #endif // GPU_UNAI
2100
2101    if (in_flight) {
2102       // inform core things about possible config changes
2103       plugin_call_rearmed_cbs();
2104
2105       if (GPU_open != NULL && GPU_close != NULL) {
2106          GPU_close();
2107          GPU_open(&gpuDisp, "PCSX", NULL);
2108       }
2109
2110       dfinput_activate();
2111    }
2112    else
2113    {
2114       //not yet running
2115
2116       //bootlogo display hack
2117       if (found_bios) {
2118          var.value = "NULL";
2119          var.key = "pcsx_rearmed_show_bios_bootlogo";
2120          if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2121          {
2122             Config.SlowBoot = 0;
2123             rebootemu = 0;
2124             if (strcmp(var.value, "enabled") == 0)
2125             {
2126                Config.SlowBoot = 1;
2127                rebootemu = 1;
2128             }
2129          }
2130       }
2131 #ifndef DRC_DISABLE
2132       var.value = "NULL";
2133       var.key = "pcsx_rearmed_psxclock";
2134       if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2135       {
2136          int psxclock = atoi(var.value);
2137          cycle_multiplier = 10000 / psxclock;
2138       }
2139 #endif
2140    }
2141 }
2142
2143 // Taken from beetle-psx-libretro
2144 static uint16_t get_analog_button(int16_t ret, retro_input_state_t input_state_cb, int player_index, int id)
2145 {
2146         // NOTE: Analog buttons were added Nov 2017. Not all front-ends support this
2147         // feature (or pre-date it) so we need to handle this in a graceful way.
2148
2149         // First, try and get an analog value using the new libretro API constant
2150         uint16_t button = input_state_cb(player_index,
2151                                                                         RETRO_DEVICE_ANALOG,
2152                                                                         RETRO_DEVICE_INDEX_ANALOG_BUTTON,
2153                                                                         id);
2154         button = MIN(button / 128, 255);
2155
2156         if (button == 0)
2157         {
2158                 // If we got exactly zero, we're either not pressing the button, or the front-end
2159                 // is not reporting analog values. We need to do a second check using the classic
2160                 // digital API method, to at least get some response - better than nothing.
2161
2162                 // NOTE: If we're really just not holding the button, we're still going to get zero.
2163
2164                 button = (ret & (1 << id)) ? 255 : 0;
2165         }
2166
2167         return button;
2168 }
2169
2170 void retro_run(void)
2171 {
2172         int i;
2173         //SysReset must be run while core is running,Not in menu (Locks up Retroarch)
2174         if (rebootemu != 0) {
2175                 rebootemu = 0;
2176                 SysReset();
2177                 if (!Config.HLE && !Config.SlowBoot) {
2178                         // skip BIOS logos
2179                         psxRegs.pc = psxRegs.GPR.n.ra;
2180                 }
2181         }
2182
2183         if (display_internal_fps) {
2184                 frame_count++;
2185
2186                 if (frame_count % INTERNAL_FPS_SAMPLE_PERIOD == 0) {
2187                         unsigned internal_fps = pl_rearmed_cbs.flip_cnt * (is_pal_mode ? 50 : 60) / INTERNAL_FPS_SAMPLE_PERIOD;
2188                         char str[64];
2189                         const char *strc = (const char*)str;
2190                         struct retro_message msg =
2191                         {
2192                                 strc,
2193                                 180
2194                         };
2195
2196                         str[0] = '\0';
2197
2198                         snprintf(str, sizeof(str), "Internal FPS: %2d", internal_fps);
2199
2200                         pl_rearmed_cbs.flip_cnt = 0;
2201
2202                         environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, &msg);
2203                 }
2204         }
2205    else
2206                 frame_count = 0;
2207
2208         input_poll_cb();
2209
2210         bool updated = false;
2211         if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
2212                 update_variables(true);
2213
2214         // reset all keystate, query libretro for keystate
2215         int j;
2216         int lsx;
2217         int rsy;
2218         float negcon_twist_amplitude;
2219         int negcon_i_rs;
2220         int negcon_ii_rs;
2221         for(i = 0; i < PORTS_NUMBER; i++)
2222    {
2223       int16_t ret    = 0;
2224                 in_keystate[i] = 0;
2225
2226                 if (in_type[i] == PSE_PAD_TYPE_NONE)
2227                         continue;
2228
2229       if (libretro_supports_bitmasks)
2230          ret = input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_MASK);
2231       else
2232       {
2233          unsigned j;
2234          for (j = 0; j < (RETRO_DEVICE_ID_JOYPAD_R3+1); j++)
2235          {
2236             if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, j))
2237                ret |= (1 << j);
2238          }
2239       }
2240
2241                 if (in_type[i] == PSE_PAD_TYPE_GUNCON)
2242                 {
2243                         //ToDo move across to:
2244                         //RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X
2245                         //RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y
2246                         //RETRO_DEVICE_ID_LIGHTGUN_TRIGGER
2247                         //RETRO_DEVICE_ID_LIGHTGUN_RELOAD
2248                         //RETRO_DEVICE_ID_LIGHTGUN_AUX_A
2249                         //RETRO_DEVICE_ID_LIGHTGUN_AUX_B
2250                         //Though not sure these are hooked up properly on the Pi
2251
2252                         //ToDo
2253                         //Put the controller index back to i instead of hardcoding to 1 when the libretro overlay crash bug is fixed
2254                         //This is required for 2 player
2255
2256                         //GUNCON has 3 controls, Trigger,A,B which equal Circle,Start,Cross
2257
2258                         // Trigger
2259                         //The 1 is hardcoded instead of i to prevent the overlay mouse button libretro crash bug
2260                         if (input_state_cb(1, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_LEFT)){
2261                                 in_keystate[i] |= (1 << DKEY_CIRCLE);
2262                         }
2263
2264                         // A
2265                         if (input_state_cb(1, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_RIGHT)){
2266                                 in_keystate[i] |= (1 << DKEY_START);
2267                         }
2268
2269                         // B
2270                         if (input_state_cb(1, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_MIDDLE)){
2271                                 in_keystate[i] |= (1 << DKEY_CROSS);
2272                         }
2273
2274                         //The 1 is hardcoded instead of i to prevent the overlay mouse button libretro crash bug
2275                         int gunx = input_state_cb(1, RETRO_DEVICE_POINTER, 0, RETRO_DEVICE_ID_POINTER_X);
2276                         int guny = input_state_cb(1, RETRO_DEVICE_POINTER, 0, RETRO_DEVICE_ID_POINTER_Y);
2277
2278                         //This adjustment process gives the user the ability to manually align the mouse up better
2279                         //with where the shots are in the emulator.
2280
2281                         //Percentage distance of screen to adjust
2282                         int GunconAdjustX = 0;
2283                         int GunconAdjustY = 0;
2284
2285                         //Used when out by a percentage
2286                         float GunconAdjustRatioX = 1;
2287                         float GunconAdjustRatioY = 1;
2288
2289                         struct retro_variable var;
2290                         var.value = NULL;
2291                         var.key = "pcsx_rearmed_gunconadjustx";
2292                         if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2293                         {
2294                                 GunconAdjustX = atoi(var.value);
2295                         }
2296
2297                         var.value = NULL;
2298                         var.key = "pcsx_rearmed_gunconadjusty";
2299                         if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2300                         {
2301                                 GunconAdjustY = atoi(var.value);
2302                         }
2303
2304
2305                         var.value = NULL;
2306                         var.key = "pcsx_rearmed_gunconadjustratiox";
2307                         if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2308                         {
2309                                 GunconAdjustRatioX = atof(var.value);
2310                         }
2311
2312
2313                         var.value = NULL;
2314                         var.key = "pcsx_rearmed_gunconadjustratioy";
2315                         if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2316                         {
2317                                 GunconAdjustRatioY = atof(var.value);
2318                         }
2319
2320                         //Mouse range is -32767 -> 32767
2321                         //1% is about 655
2322                         //Use the left analog stick field to store the absolute coordinates
2323                         in_analog_left[0][0] = (gunx*GunconAdjustRatioX) + (GunconAdjustX * 655);
2324                         in_analog_left[0][1] = (guny*GunconAdjustRatioY) + (GunconAdjustY * 655);
2325
2326
2327                 }
2328                 if (in_type[i] == PSE_PAD_TYPE_NEGCON)
2329                 {
2330                         // Query digital inputs
2331                         //
2332                         // > Pad-Up
2333                         if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_UP))
2334                                 in_keystate[i] |= (1 << DKEY_UP);
2335                         // > Pad-Right
2336                         if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_RIGHT))
2337                                 in_keystate[i] |= (1 << DKEY_RIGHT);
2338                         // > Pad-Down
2339                         if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_DOWN))
2340                                 in_keystate[i] |= (1 << DKEY_DOWN);
2341                         // > Pad-Left
2342                         if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_LEFT))
2343                                 in_keystate[i] |= (1 << DKEY_LEFT);
2344                         // > Start
2345                         if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_START))
2346                                 in_keystate[i] |= (1 << DKEY_START);
2347                         // > neGcon A
2348                         if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_A))
2349                                 in_keystate[i] |= (1 << DKEY_CIRCLE);
2350                         // > neGcon B
2351                         if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_X))
2352                                 in_keystate[i] |= (1 << DKEY_TRIANGLE);
2353                         // > neGcon R shoulder (digital)
2354                         if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_R))
2355                                 in_keystate[i] |= (1 << DKEY_R1);
2356                         // Query analog inputs
2357                         //
2358                         // From studying 'libpcsxcore/plugins.c' and 'frontend/plugin.c':
2359                         // >> pad->leftJoyX  == in_analog_left[i][0]  == NeGcon II
2360                         // >> pad->leftJoyY  == in_analog_left[i][1]  == NeGcon L
2361                         // >> pad->rightJoyX == in_analog_right[i][0] == NeGcon twist
2362                         // >> pad->rightJoyY == in_analog_right[i][1] == NeGcon I
2363                         // So we just have to map in_analog_left/right to more
2364                         // appropriate inputs...
2365                         //
2366                         // > NeGcon twist
2367                         // >> Get raw analog stick value and account for deadzone
2368                         lsx = input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X);
2369                         if (lsx > negcon_deadzone)
2370                                 lsx = lsx - negcon_deadzone;
2371                         else if (lsx < -negcon_deadzone)
2372                                 lsx = lsx + negcon_deadzone;
2373                         else
2374                                 lsx = 0;
2375                         // >> Convert to an 'amplitude' [-1.0,1.0] and adjust response
2376                         negcon_twist_amplitude = (float)lsx / (float)(NEGCON_RANGE - negcon_deadzone);
2377                         if (negcon_linearity == 2)
2378          {
2379                                 if (negcon_twist_amplitude < 0.0)
2380                                         negcon_twist_amplitude = -(negcon_twist_amplitude * negcon_twist_amplitude);
2381             else
2382                                         negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude;
2383                         }
2384          else if (negcon_linearity == 3)
2385                                 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude * negcon_twist_amplitude;
2386                         // >> Convert to final 'in_analog' integer value [0,255]
2387                         in_analog_right[i][0] = MAX(MIN((int)(negcon_twist_amplitude * 128.0f) + 128, 255), 0);
2388                         // > NeGcon I + II
2389                         // >> Handle right analog stick vertical axis mapping...
2390                         //    - Up (-Y) == accelerate == neGcon I
2391                         //    - Down (+Y) == brake == neGcon II
2392                         negcon_i_rs = 0;
2393                         negcon_ii_rs = 0;
2394                         rsy = input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y);
2395                         if (rsy >= 0){
2396                                 // Account for deadzone
2397                                 // (Note: have never encountered a gamepad with significant differences
2398                                 // in deadzone between left/right analog sticks, so use the regular 'twist'
2399                                 // deadzone here)
2400                                 if (rsy > negcon_deadzone)
2401                                         rsy = rsy - negcon_deadzone;
2402             else
2403                                         rsy = 0;
2404                                 // Convert to 'in_analog' integer value [0,255]
2405                                 negcon_ii_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
2406                         } else {
2407                                 if (rsy < -negcon_deadzone)
2408                                         rsy = -1 * (rsy + negcon_deadzone);
2409             else
2410                                         rsy = 0;
2411                                 negcon_i_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
2412                         }
2413                         // >> NeGcon I
2414                         in_analog_right[i][1] = MAX(
2415                                 MAX(
2416                                         get_analog_button(ret, input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_R2),
2417                                         get_analog_button(ret, input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_B)
2418                                 ),
2419                                 negcon_i_rs
2420                         );
2421                         // >> NeGcon II
2422                         in_analog_left[i][0] = MAX(
2423                                 MAX(
2424                                         get_analog_button(ret, input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_L2),
2425                                         get_analog_button(ret, input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_Y)
2426                                 ),
2427                                 negcon_ii_rs
2428                         );
2429                         // > NeGcon L
2430                         in_analog_left[i][1] = get_analog_button(ret, input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_L);
2431                 }
2432                 if (in_type[i] != PSE_PAD_TYPE_NEGCON && in_type[i] != PSE_PAD_TYPE_GUNCON)
2433                 {
2434                         // Query digital inputs
2435                         for (j = 0; j < RETRO_PSX_MAP_LEN; j++)
2436                                 if (ret & (1 << j))
2437                                         in_keystate[i] |= retro_psx_map[j];
2438
2439                         // Query analog inputs
2440                         if (in_type[i] == PSE_PAD_TYPE_ANALOGJOY || in_type[i] == PSE_PAD_TYPE_ANALOGPAD)
2441                         {
2442                                 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);
2443                                 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);
2444                                 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);
2445                                 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);
2446                         }
2447                 }
2448         }
2449
2450         stop = 0;
2451         psxCpu->Execute();
2452
2453         video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf_ptr : NULL,
2454                 vout_width, vout_height, vout_width * 2);
2455         vout_fb_dirty = 0;
2456
2457     set_vout_fb();
2458 }
2459
2460 static bool try_use_bios(const char *path)
2461 {
2462         FILE *f;
2463         long size;
2464         const char *name;
2465
2466         f = fopen(path, "rb");
2467         if (f == NULL)
2468                 return false;
2469
2470         fseek(f, 0, SEEK_END);
2471         size = ftell(f);
2472         fclose(f);
2473
2474         if (size != 512 * 1024)
2475                 return false;
2476
2477         name = strrchr(path, SLASH);
2478         if (name++ == NULL)
2479                 name = path;
2480         snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
2481         return true;
2482 }
2483
2484 #ifndef VITA
2485 #include <sys/types.h>
2486 #include <dirent.h>
2487
2488 static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
2489 {
2490         DIR *dir;
2491         struct dirent *ent;
2492         bool ret = false;
2493
2494         dir = opendir(dirpath);
2495         if (dir == NULL)
2496                 return false;
2497
2498         while ((ent = readdir(dir))) {
2499                 if ((strncasecmp(ent->d_name, "scph", 4) != 0) && (strncasecmp(ent->d_name, "psx", 3) != 0))
2500                         continue;
2501
2502                 snprintf(path, path_size, "%s%c%s", dirpath, SLASH, ent->d_name);
2503                 ret = try_use_bios(path);
2504                 if (ret)
2505                         break;
2506         }
2507         closedir(dir);
2508         return ret;
2509 }
2510 #else
2511 #define find_any_bios(...) false
2512 #endif
2513
2514 static void check_system_specs(void)
2515 {
2516    unsigned level = 6;
2517    environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
2518 }
2519
2520 static int init_memcards(void)
2521 {
2522         int ret = 0;
2523         const char *dir;
2524         struct retro_variable var = { .key="pcsx_rearmed_memcard2", .value=NULL };
2525         static const char CARD2_FILE[] = "pcsx-card2.mcd";
2526
2527         // Memcard2 will be handled and is re-enabled if needed using core
2528         // operations.
2529         // Memcard1 is handled by libretro, doing this will set core to
2530         // skip file io operations for memcard1 like SaveMcd
2531         snprintf(Config.Mcd1, sizeof(Config.Mcd1), "none");
2532         snprintf(Config.Mcd2, sizeof(Config.Mcd2), "none");
2533         init_memcard(Mcd1Data);
2534         // Memcard 2 is managed by the emulator on the filesystem,
2535         // There is no need to initialize Mcd2Data like Mcd1Data.
2536
2537         if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
2538                 SysPrintf("Memcard 2: %s\n", var.value);
2539                 if (memcmp(var.value, "enabled", 7) == 0) {
2540                         if (environ_cb(RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY, &dir) && dir) {
2541                                 if (strlen(dir) + strlen(CARD2_FILE) + 2 > sizeof(Config.Mcd2)) {
2542                                         SysPrintf("Path '%s' is too long. Cannot use memcard 2. Use a shorter path.\n", dir);
2543                                         ret = -1;
2544                                 } else {
2545                                         McdDisable[1] = 0;
2546                                         snprintf(Config.Mcd2, sizeof(Config.Mcd2), "%s/%s", dir, CARD2_FILE);
2547                                         SysPrintf("Use memcard 2: %s\n", Config.Mcd2);
2548                                 }
2549                         } else {
2550                                 SysPrintf("Could not get save directory! Could not create memcard 2.");
2551                                 ret = -1;
2552                         }
2553                 }
2554         }
2555         return ret;
2556 }
2557
2558 static void loadPSXBios(void)
2559 {
2560         const char *dir;
2561         char path[PATH_MAX];
2562         unsigned useHLE = 0;
2563
2564         const char *bios[] = {
2565                 "PSXONPSP660", "psxonpsp660",
2566                 "SCPH101", "scph101",
2567                 "SCPH5501", "scph5501",
2568                 "SCPH7001", "scph7001",
2569                 "SCPH1001", "scph1001"
2570         };
2571
2572         struct retro_variable var = {
2573                 .key = "pcsx_rearmed_bios",
2574                 .value = NULL
2575         };
2576
2577         found_bios = 0;
2578
2579         if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
2580                 if (!strcmp(var.value, "HLE"))
2581                         useHLE = 1;
2582         }
2583
2584         if (!useHLE)
2585         {
2586                 if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
2587                 {
2588                         unsigned i;
2589                         snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s", dir);
2590
2591                         for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++) {
2592                                 snprintf(path, sizeof(path), "%s%c%s.bin", dir, SLASH, bios[i]);
2593                                 found_bios = try_use_bios(path);
2594                                 if (found_bios)
2595                                         break;
2596                         }
2597
2598                         if (!found_bios)
2599                                 found_bios = find_any_bios(dir, path, sizeof(path));
2600                 }
2601                 if (found_bios) {
2602                         SysPrintf("found BIOS file: %s\n", Config.Bios);
2603                 }
2604         }
2605
2606         if (useHLE || !found_bios)
2607         {
2608                 SysPrintf("no BIOS files found.\n");
2609                 struct retro_message msg =
2610                 {
2611                         "No PlayStation BIOS file found - add for better compatibility",
2612                         180
2613                 };
2614                 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, (void*)&msg);
2615         }
2616 }
2617
2618 void retro_init(void)
2619 {
2620         unsigned dci_version = 0;
2621         struct retro_rumble_interface rumble;
2622         int ret;
2623
2624 #ifdef __MACH__
2625         // magic sauce to make the dynarec work on iOS
2626         syscall(SYS_ptrace, 0 /*PTRACE_TRACEME*/, 0, 0, 0);
2627 #endif
2628
2629 #ifdef _3DS
2630    psxMapHook = pl_3ds_mmap;
2631    psxUnmapHook = pl_3ds_munmap;
2632 #endif
2633 #ifdef VITA
2634    if(init_vita_mmap()<0)
2635       abort();
2636    psxMapHook = pl_vita_mmap;
2637    psxUnmapHook = pl_vita_munmap;
2638 #endif
2639         ret = emu_core_preinit();
2640 #ifdef _3DS
2641    /* emu_core_preinit sets the cpu to dynarec */
2642    if(!__ctr_svchax)
2643       Config.Cpu = CPU_INTERPRETER;
2644 #endif
2645         ret |= init_memcards();
2646
2647         ret |= emu_core_init();
2648         if (ret != 0) {
2649                 SysPrintf("PCSX init failed.\n");
2650                 exit(1);
2651         }
2652
2653 #ifdef _3DS
2654    vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
2655 #elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && !defined(VITA) && !defined(__SWITCH__)
2656         posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
2657 #else
2658         vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
2659 #endif
2660
2661         vout_buf_ptr = vout_buf;
2662
2663         loadPSXBios();
2664
2665         environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
2666
2667         disk_initial_index   = 0;
2668         disk_initial_path[0] = '\0';
2669         if (environ_cb(RETRO_ENVIRONMENT_GET_DISK_CONTROL_INTERFACE_VERSION, &dci_version) && (dci_version >= 1))
2670                 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_EXT_INTERFACE, &disk_control_ext);
2671         else
2672                 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
2673
2674         rumble_cb = NULL;
2675         if (environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble))
2676                 rumble_cb = rumble.set_rumble_state;
2677
2678         /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
2679          * we have to do this because cache misses and some IO penalties
2680          * are not emulated. Warning: changing this may break compatibility. */
2681         cycle_multiplier = 175;
2682 #ifdef HAVE_PRE_ARMV7
2683         cycle_multiplier = 200;
2684 #endif
2685         pl_rearmed_cbs.gpu_peops.iUseDither = 1;
2686         pl_rearmed_cbs.gpu_peops.dwActFixes = GPU_PEOPS_OLD_FRAME_SKIP;
2687         spu_config.iUseFixedUpdates = 1;
2688
2689         SaveFuncs.open = save_open;
2690         SaveFuncs.read = save_read;
2691         SaveFuncs.write = save_write;
2692         SaveFuncs.seek = save_seek;
2693         SaveFuncs.close = save_close;
2694
2695    if (environ_cb(RETRO_ENVIRONMENT_GET_INPUT_BITMASKS, NULL))
2696       libretro_supports_bitmasks = true;
2697
2698         update_variables(false);
2699         check_system_specs();
2700 }
2701
2702 void retro_deinit(void)
2703 {
2704         ClosePlugins();
2705         SysClose();
2706 #ifdef _3DS
2707    linearFree(vout_buf);
2708 #else
2709         free(vout_buf);
2710 #endif
2711         vout_buf = NULL;
2712
2713 #ifdef VITA
2714   deinit_vita_mmap();
2715 #endif
2716    libretro_supports_bitmasks = false;
2717
2718         /* Have to reset disks struct, otherwise
2719          * fnames/flabels will leak memory */
2720         disk_init();
2721 }
2722
2723 #ifdef VITA
2724 #include <psp2/kernel/threadmgr.h>
2725 int usleep (unsigned long us)
2726 {
2727    sceKernelDelayThread(us);
2728 }
2729 #endif
2730
2731 void SysPrintf(const char *fmt, ...) {
2732         va_list list;
2733         char msg[512];
2734
2735         va_start(list, fmt);
2736         vsprintf(msg, fmt, list);
2737         va_end(list);
2738
2739         if (log_cb)
2740                 log_cb(RETRO_LOG_INFO, "%s", msg);
2741 }