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 #include "../libpcsxcore/misc.h"
  19 #include "../libpcsxcore/psxcounters.h"
  20 #include "../libpcsxcore/psxmem_map.h"
  21 #include "../libpcsxcore/new_dynarec/new_dynarec.h"
  22 #include "../libpcsxcore/cdrom.h"
  23 #include "../libpcsxcore/cdriso.h"
  24 #include "../libpcsxcore/cheat.h"
  25 #include "../libpcsxcore/r3000a.h"
  26 #include "../plugins/dfsound/out.h"
  27 #include "../plugins/dfsound/spu_config.h"
  28 #include "../plugins/dfinput/externals.h"
  29 #include "cspace.h"
  30 #include "main.h"
  31 #include "plugin.h"
  32 #include "plugin_lib.h"
  33 #include "arm_features.h"
  34 #include "revision.h"
  35 #include "libretro.h"
  36
  37 #ifdef _3DS
  38 #include "3ds/3ds_utils.h"
  39 #endif
  40
  41 #define PORTS_NUMBER 8
  42
  43 #ifndef MIN
  44 #define MIN(a, b) ((a) < (b) ? (a) : (b))
  45 #endif
  46
  47 #ifndef MAX
  48 #define MAX(a, b) ((a) > (b) ? (a) : (b))
  49 #endif
  50
  51 #define ISHEXDEC ((buf[cursor]>='0') && (buf[cursor]<='9')) || ((buf[cursor]>='a') && (buf[cursor]<='f')) || ((buf[cursor]>='A') && (buf[cursor]<='F'))
  52
  53 #define INTERNAL_FPS_SAMPLE_PERIOD 64
  54
  55 //hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
  56 static int rebootemu = 0;
  57
  58 static retro_video_refresh_t video_cb;
  59 static retro_input_poll_t input_poll_cb;
  60 static retro_input_state_t input_state_cb;
  61 static retro_environment_t environ_cb;
  62 static retro_audio_sample_batch_t audio_batch_cb;
  63 static retro_set_rumble_state_t rumble_cb;
  64 static struct retro_log_callback logging;
  65 static retro_log_printf_t log_cb;
  66
  67 static void *vout_buf;
  68 static void * vout_buf_ptr;
  69 static int vout_width, vout_height;
  70 static int vout_doffs_old, vout_fb_dirty;
  71 static bool vout_can_dupe;
  72 static bool duping_enable;
  73 static bool found_bios;
  74 static bool display_internal_fps = false;
  75 static unsigned frame_count = 0;
  76
  77 static int plugins_opened;
  78 static int is_pal_mode;
  79
  80 /* memory card data */
  81 extern char Mcd1Data[MCD_SIZE];
  82 extern char Mcd2Data[MCD_SIZE];
  83 extern char McdDisable[2];
  84
  85 /* PCSX ReARMed core calls and stuff */
  86 int in_type[8] =  { PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
  87                   PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
  88                   PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
  89                   PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE };
  90 int in_analog_left[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
  91 int in_analog_right[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
  92 unsigned short in_keystate[PORTS_NUMBER];
  93 int multitap1 = 0;
  94 int multitap2 = 0;
  95 int in_enable_vibration = 1;
  96
  97 // NegCon adjustment parameters
  98 // > The NegCon 'twist' action is somewhat awkward when mapped
  99 //   to a standard analog stick -> user should be able to tweak
 100 //   response/deadzone for comfort
 101 // > When response is linear, 'additional' deadzone (set here)
 102 //   may be left at zero, since this is normally handled via in-game
 103 //   options menus
 104 // > When response is non-linear, deadzone should be set to match the
 105 //   controller being used (otherwise precision may be lost)
 106 // > negcon_linearity:
 107 //   - 1: Response is linear - recommended when using racing wheel
 108 //        peripherals, not recommended for standard gamepads
 109 //   - 2: Response is quadratic - optimal setting for gamepads
 110 //   - 3: Response is cubic - enables precise fine control, but
 111 //        difficult to use...
 112 #define NEGCON_RANGE 0x7FFF
 113 static int negcon_deadzone = 0;
 114 static int negcon_linearity = 1;
 115
 116 /* PSX max resolution is 640x512, but with enhancement it's 1024x512 */
 117 #define VOUT_MAX_WIDTH 1024
 118 #define VOUT_MAX_HEIGHT 512
 119
 120 //Dummy functions
 121 bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info){return false;}
 122 void retro_unload_game(void){}
 123 static int vout_open(void){return 0;}
 124 static void vout_close(void){}
 125 static int snd_init(void){return 0;}
 126 static void snd_finish(void){}
 127 static int snd_busy(void){return 0;}
 128
 129 static void init_memcard(char *mcd_data)
 130 {
 131         unsigned off = 0;
 132         unsigned i;
 133
 134         memset(mcd_data, 0, MCD_SIZE);
 135
 136         mcd_data[off++] = 'M';
 137         mcd_data[off++] = 'C';
 138         off += 0x7d;
 139         mcd_data[off++] = 0x0e;
 140
 141         for (i = 0; i < 15; i++) {
 142                 mcd_data[off++] = 0xa0;
 143                 off += 0x07;
 144                 mcd_data[off++] = 0xff;
 145                 mcd_data[off++] = 0xff;
 146                 off += 0x75;
 147                 mcd_data[off++] = 0xa0;
 148         }
 149
 150         for (i = 0; i < 20; i++) {
 151                 mcd_data[off++] = 0xff;
 152                 mcd_data[off++] = 0xff;
 153                 mcd_data[off++] = 0xff;
 154                 mcd_data[off++] = 0xff;
 155                 off += 0x04;
 156                 mcd_data[off++] = 0xff;
 157                 mcd_data[off++] = 0xff;
 158                 off += 0x76;
 159         }
 160 }
 161
 162 static void set_vout_fb()
 163 {
 164   struct retro_framebuffer fb = {0};
 165
 166   fb.width           = vout_width;
 167   fb.height          = vout_height;
 168   fb.access_flags    = RETRO_MEMORY_ACCESS_WRITE;
 169
 170   if (environ_cb(RETRO_ENVIRONMENT_GET_CURRENT_SOFTWARE_FRAMEBUFFER, &fb) && fb.format == RETRO_PIXEL_FORMAT_RGB565)
 171      vout_buf_ptr = (uint16_t*)fb.data;
 172   else
 173      vout_buf_ptr = vout_buf;
 174 }
 175
 176 static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
 177 {
 178   vout_width = w;
 179   vout_height = h;
 180
 181   set_vout_fb();
 182 }
 183
 184 #ifndef FRONTEND_SUPPORTS_RGB565
 185 static void convert(void *buf, size_t bytes)
 186 {
 187         unsigned int i, v, *p = buf;
 188
 189         for (i = 0; i < bytes / 4; i++) {
 190                 v = p[i];
 191                 p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0);
 192         }
 193 }
 194 #endif
 195
 196 static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
 197 {
 198         unsigned short *dest = vout_buf_ptr;
 199         const unsigned short *src = vram;
 200         int dstride = vout_width, h1 = h;
 201         int doffs;
 202
 203         if (vram == NULL) {
 204                 // blanking
 205                 memset(vout_buf_ptr, 0, dstride * h * 2);
 206                 goto out;
 207         }
 208
 209         doffs = (vout_height - h) * dstride;
 210         doffs += (dstride - w) / 2 & ~1;
 211         if (doffs != vout_doffs_old) {
 212                 // clear borders
 213                 memset(vout_buf_ptr, 0, dstride * h * 2);
 214                 vout_doffs_old = doffs;
 215         }
 216         dest += doffs;
 217
 218         if (bgr24)
 219         {
 220                 // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here?
 221                 for (; h1-- > 0; dest += dstride, src += stride)
 222                 {
 223                         bgr888_to_rgb565(dest, src, w * 3);
 224                 }
 225         }
 226         else
 227         {
 228                 for (; h1-- > 0; dest += dstride, src += stride)
 229                 {
 230                         bgr555_to_rgb565(dest, src, w * 2);
 231                 }
 232         }
 233
 234 out:
 235 #ifndef FRONTEND_SUPPORTS_RGB565
 236         convert(vout_buf_ptr, vout_width * vout_height * 2);
 237 #endif
 238         vout_fb_dirty = 1;
 239         pl_rearmed_cbs.flip_cnt++;
 240 }
 241
 242 #ifdef _3DS
 243 typedef struct
 244 {
 245    void* buffer;
 246    uint32_t target_map;
 247    size_t size;
 248    enum psxMapTag tag;
 249 }psx_map_t;
 250
 251 psx_map_t custom_psx_maps[] = {
 252    {NULL, 0x13000000, 0x210000, MAP_TAG_RAM},   // 0x80000000
 253    {NULL, 0x12800000, 0x010000, MAP_TAG_OTHER}, // 0x1f800000
 254    {NULL, 0x12c00000, 0x080000, MAP_TAG_OTHER}, // 0x1fc00000
 255    {NULL, 0x11000000, 0x800000, MAP_TAG_LUTS},  // 0x08000000
 256    {NULL, 0x12000000, 0x200000, MAP_TAG_VRAM},  // 0x00000000
 257 };
 258
 259 void* pl_3ds_mmap(unsigned long addr, size_t size, int is_fixed,
 260         enum psxMapTag tag)
 261 {
 262    (void)is_fixed;
 263    (void)addr;
 264
 265    if (__ctr_svchax)
 266    {
 267       psx_map_t* custom_map = custom_psx_maps;
 268
 269       for (; custom_map->size; custom_map++)
 270       {
 271          if ((custom_map->size == size) && (custom_map->tag == tag))
 272          {
 273             uint32_t ptr_aligned, tmp;
 274
 275             custom_map->buffer = malloc(size + 0x1000);
 276             ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
 277
 278             if(svcControlMemory(&tmp, (void*)custom_map->target_map, (void*)ptr_aligned, size, MEMOP_MAP, 0x3) < 0)
 279             {
 280                SysPrintf("could not map memory @0x%08X\n", custom_map->target_map);
 281                exit(1);
 282             }
 283
 284             return (void*)custom_map->target_map;
 285          }
 286       }
 287    }
 288
 289    return malloc(size);
 290 }
 291
 292 void pl_3ds_munmap(void *ptr, size_t size, enum psxMapTag tag)
 293 {
 294    (void)tag;
 295
 296    if (__ctr_svchax)
 297    {
 298       psx_map_t* custom_map = custom_psx_maps;
 299
 300       for (; custom_map->size; custom_map++)
 301       {
 302          if ((custom_map->target_map == (uint32_t)ptr))
 303          {
 304             uint32_t ptr_aligned, tmp;
 305
 306             ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
 307
 308             svcControlMemory(&tmp, (void*)custom_map->target_map, (void*)ptr_aligned, size, MEMOP_UNMAP, 0x3);
 309
 310             free(custom_map->buffer);
 311             custom_map->buffer = NULL;
 312             return;
 313          }
 314       }
 315    }
 316
 317    free(ptr);
 318 }
 319 #endif
 320
 321 #ifdef VITA
 322 typedef struct
 323 {
 324    void* buffer;
 325    uint32_t target_map;
 326    size_t size;
 327    enum psxMapTag tag;
 328 }psx_map_t;
 329
 330 void* addr = NULL;
 331
 332 psx_map_t custom_psx_maps[] = {
 333    {NULL, NULL, 0x210000, MAP_TAG_RAM},   // 0x80000000
 334    {NULL, NULL, 0x010000, MAP_TAG_OTHER}, // 0x1f800000
 335    {NULL, NULL, 0x080000, MAP_TAG_OTHER}, // 0x1fc00000
 336    {NULL, NULL, 0x800000, MAP_TAG_LUTS},  // 0x08000000
 337    {NULL, NULL, 0x200000, MAP_TAG_VRAM},  // 0x00000000
 338 };
 339
 340 int init_vita_mmap(){
 341   int n;
 342   void * tmpaddr;
 343   addr = malloc(64*1024*1024);
 344   if(addr==NULL)
 345     return -1;
 346   tmpaddr = ((u32)(addr+0xFFFFFF))&~0xFFFFFF;
 347   custom_psx_maps[0].buffer=tmpaddr+0x2000000;
 348   custom_psx_maps[1].buffer=tmpaddr+0x1800000;
 349   custom_psx_maps[2].buffer=tmpaddr+0x1c00000;
 350   custom_psx_maps[3].buffer=tmpaddr+0x0000000;
 351   custom_psx_maps[4].buffer=tmpaddr+0x1000000;
 352 #if 0
 353   for(n = 0; n < 5; n++){
 354     sceClibPrintf("addr reserved %x\n",custom_psx_maps[n].buffer);
 355   }
 356 #endif
 357   return 0;
 358 }
 359
 360 void deinit_vita_mmap(){
 361   free(addr);
 362 }
 363
 364 void* pl_vita_mmap(unsigned long addr, size_t size, int is_fixed,
 365         enum psxMapTag tag)
 366 {
 367    (void)is_fixed;
 368    (void)addr;
 369
 370
 371     psx_map_t* custom_map = custom_psx_maps;
 372
 373     for (; custom_map->size; custom_map++)
 374     {
 375        if ((custom_map->size == size) && (custom_map->tag == tag))
 376        {
 377           return custom_map->buffer;
 378        }
 379     }
 380
 381
 382    return malloc(size);
 383 }
 384
 385 void pl_vita_munmap(void *ptr, size_t size, enum psxMapTag tag)
 386 {
 387    (void)tag;
 388
 389    psx_map_t* custom_map = custom_psx_maps;
 390
 391   for (; custom_map->size; custom_map++)
 392   {
 393      if ((custom_map->buffer == ptr))
 394      {
 395         return;
 396      }
 397   }
 398
 399    free(ptr);
 400 }
 401 #endif
 402
 403 static void *pl_mmap(unsigned int size)
 404 {
 405         return psxMap(0, size, 0, MAP_TAG_VRAM);
 406 }
 407
 408 static void pl_munmap(void *ptr, unsigned int size)
 409 {
 410         psxUnmap(ptr, size, MAP_TAG_VRAM);
 411 }
 412
 413 struct rearmed_cbs pl_rearmed_cbs = {
 414         .pl_vout_open = vout_open,
 415         .pl_vout_set_mode = vout_set_mode,
 416         .pl_vout_flip = vout_flip,
 417         .pl_vout_close = vout_close,
 418         .mmap = pl_mmap,
 419         .munmap = pl_munmap,
 420         /* from psxcounters */
 421         .gpu_hcnt = &hSyncCount,
 422         .gpu_frame_count = &frame_counter,
 423 };
 424
 425 void pl_frame_limit(void)
 426 {
 427         /* called once per frame, make psxCpu->Execute() above return */
 428         stop = 1;
 429 }
 430
 431 void pl_timing_prepare(int is_pal)
 432 {
 433         is_pal_mode = is_pal;
 434 }
 435
 436 void plat_trigger_vibrate(int pad, int low, int high)
 437 {
 438         if (!rumble_cb)
 439                 return;
 440
 441         if (in_enable_vibration)
 442         {
 443                 rumble_cb(pad, RETRO_RUMBLE_STRONG, high << 8);
 444                 rumble_cb(pad, RETRO_RUMBLE_WEAK, low ? 0xffff : 0x0);
 445     }
 446 }
 447
 448 void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in)
 449 {
 450 }
 451
 452 /* sound calls */
 453 static void snd_feed(void *buf, int bytes)
 454 {
 455         if (audio_batch_cb != NULL)
 456                 audio_batch_cb(buf, bytes / 4);
 457 }
 458
 459 void out_register_libretro(struct out_driver *drv)
 460 {
 461         drv->name = "libretro";
 462         drv->init = snd_init;
 463         drv->finish = snd_finish;
 464         drv->busy = snd_busy;
 465         drv->feed = snd_feed;
 466 }
 467
 468 /* libretro */
 469 void retro_set_environment(retro_environment_t cb)
 470 {
 471    static const struct retro_variable vars[] = {
 472       { "pcsx_rearmed_frameskip", "Frameskip; 0|1|2|3" },
 473       { "pcsx_rearmed_bios", "Use BIOS; auto|HLE" },
 474       { "pcsx_rearmed_region", "Region; auto|NTSC|PAL" },
 475       { "pcsx_rearmed_memcard2", "Enable second memory card; disabled|enabled" },
 476       { "pcsx_rearmed_pad1type", "Pad 1 Type; standard|analog|dualshock|negcon|none" },
 477       { "pcsx_rearmed_pad2type", "Pad 2 Type; standard|analog|dualshock|negcon|none" },
 478       { "pcsx_rearmed_pad3type", "Pad 3 Type; none|standard|analog|dualshock|negcon" },
 479       { "pcsx_rearmed_pad4type", "Pad 4 Type; none|standard|analog|dualshock|negcon" },
 480       { "pcsx_rearmed_pad5type", "Pad 5 Type; none|standard|analog|dualshock|negcon" },
 481       { "pcsx_rearmed_pad6type", "Pad 6 Type; none|standard|analog|dualshock|negcon" },
 482       { "pcsx_rearmed_pad7type", "Pad 7 Type; none|standard|analog|dualshock|negcon" },
 483       { "pcsx_rearmed_pad8type", "Pad 8 Type; none|standard|analog|dualshock|negcon" },
 484       { "pcsx_rearmed_multitap1", "Multitap 1; auto|disabled|enabled" },
 485       { "pcsx_rearmed_multitap2", "Multitap 2; auto|disabled|enabled" },
 486       { "pcsx_rearmed_negcon_deadzone", "NegCon Twist Deadzone (percent); 0|5|10|15|20|25|30" },
 487       { "pcsx_rearmed_negcon_response", "NegCon Twist Response; linear|quadratic|cubic" },
 488       { "pcsx_rearmed_vibration", "Enable Vibration; enabled|disabled" },
 489       { "pcsx_rearmed_dithering", "Enable Dithering; enabled|disabled" },
 490 #ifndef DRC_DISABLE
 491       { "pcsx_rearmed_drc", "Dynamic recompiler; enabled|disabled" },
 492 #ifdef HAVE_PRE_ARMV7
 493       { "pcsx_rearmed_psxclock", "PSX cpu clock (default 50); 50|51|52|53|54|55|5657|58|59|60|61|62|63|64|65|66|67|68|69|70|71|72|73|74|75|76|77|78|79|80|81|82|83|84|85|86|87|88|89|90|91|92|93|94|95|96|97|98|99|100|30|31|32|33|34|35|36|37|38|39|40|41|42|43|44|45|46|47|48|49" },
 494 #else
 495       { "pcsx_rearmed_psxclock", "PSX cpu clock (default 57); 57|58|59|60|61|62|63|64|65|66|67|68|69|70|71|72|73|74|75|76|77|78|79|80|81|82|83|84|85|86|87|88|89|90|91|92|93|94|95|96|97|98|99|100|30|31|32|33|34|35|36|37|38|39|40|41|42|43|44|45|46|47|48|49|50|51|52|53|54|55|56" },
 496 #endif
 497 #endif
 498 #ifdef __ARM_NEON__
 499       { "pcsx_rearmed_neon_interlace_enable", "Enable interlacing mode(s); disabled|enabled" },
 500       { "pcsx_rearmed_neon_enhancement_enable", "Enhanced resolution (slow); disabled|enabled" },
 501       { "pcsx_rearmed_neon_enhancement_no_main", "Enhanced resolution speed hack; disabled|enabled" },
 502 #endif
 503       { "pcsx_rearmed_duping_enable", "Frame duping; enabled|disabled" },
 504       { "pcsx_rearmed_display_internal_fps", "Display Internal FPS; disabled|enabled" },
 505       { "pcsx_rearmed_show_bios_bootlogo", "Show Bios Bootlogo(Breaks some games); disabled|enabled" },
 506       { "pcsx_rearmed_spu_reverb", "Sound: Reverb; enabled|disabled" },
 507       { "pcsx_rearmed_spu_interpolation", "Sound: Interpolation; simple|gaussian|cubic|off" },
 508       { "pcsx_rearmed_idiablofix", "Diablo Music Fix; disabled|enabled" },
 509       { "pcsx_rearmed_pe2_fix", "Parasite Eve 2/Vandal Hearts 1/2 Fix; disabled|enabled" },
 510       { "pcsx_rearmed_inuyasha_fix", "InuYasha Sengoku Battle Fix; disabled|enabled" },
 511       { NULL, NULL },
 512    };
 513
 514     if (cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &logging))
 515         log_cb = logging.log;
 516
 517    environ_cb = cb;
 518
 519    cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void*)vars);
 520 }
 521
 522 void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
 523 void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
 524 void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
 525 void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
 526 void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
 527
 528 unsigned retro_api_version(void)
 529 {
 530         return RETRO_API_VERSION;
 531 }
 532
 533 static int controller_port_variable(unsigned port, struct retro_variable *var)
 534 {
 535         if (port >= PORTS_NUMBER)
 536                 return 0;
 537
 538         if (!environ_cb)
 539                 return 0;
 540
 541         var->value = NULL;
 542         switch (port) {
 543         case 0:
 544                 var->key = "pcsx_rearmed_pad1type";
 545                 break;
 546         case 1:
 547                 var->key = "pcsx_rearmed_pad2type";
 548                 break;
 549         case 2:
 550                 var->key = "pcsx_rearmed_pad3type";
 551                 break;
 552         case 3:
 553                 var->key = "pcsx_rearmed_pad4type";
 554                 break;
 555         case 4:
 556                 var->key = "pcsx_rearmed_pad5type";
 557                 break;
 558         case 5:
 559                 var->key = "pcsx_rearmed_pad6type";
 560                 break;
 561         case 6:
 562                 var->key = "pcsx_rearmed_pad7type";
 563                 break;
 564         case 7:
 565                 var->key = "pcsx_rearmed_pad8type";
 566                 break;
 567         }
 568
 569         return environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, var) || var->value;
 570 }
 571
 572 static void update_controller_port_variable(unsigned port)
 573 {
 574         if (port >= PORTS_NUMBER)
 575                 return;
 576
 577         struct retro_variable var;
 578
 579         if (controller_port_variable(port, &var))
 580         {
 581                 if (strcmp(var.value, "standard") == 0)
 582                         in_type[port] = PSE_PAD_TYPE_STANDARD;
 583                 else if (strcmp(var.value, "analog") == 0)
 584                         in_type[port] = PSE_PAD_TYPE_ANALOGJOY;
 585                 else if (strcmp(var.value, "dualshock") == 0)
 586                         in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
 587                 else if (strcmp(var.value, "negcon") == 0)
 588                         in_type[port] = PSE_PAD_TYPE_NEGCON;
 589                 else if (strcmp(var.value, "none") == 0)
 590                         in_type[port] = PSE_PAD_TYPE_NONE;
 591                 // else 'default' case, do nothing
 592         }
 593 }
 594
 595 static void update_controller_port_device(unsigned port, unsigned device)
 596 {
 597         if (port >= PORTS_NUMBER)
 598                 return;
 599
 600         struct retro_variable var;
 601
 602         if (!controller_port_variable(port, &var))
 603                 return;
 604
 605         if (strcmp(var.value, "default") != 0)
 606                 return;
 607
 608         switch (device)
 609         {
 610         case RETRO_DEVICE_JOYPAD:
 611                 in_type[port] = PSE_PAD_TYPE_STANDARD;
 612                 break;
 613         case RETRO_DEVICE_ANALOG:
 614                 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
 615                 break;
 616         case RETRO_DEVICE_MOUSE:
 617                 in_type[port] = PSE_PAD_TYPE_MOUSE;
 618                 break;
 619         case RETRO_DEVICE_LIGHTGUN:
 620                 in_type[port] = PSE_PAD_TYPE_GUN;
 621                 break;
 622         case RETRO_DEVICE_NONE:
 623         default:
 624                 in_type[port] = PSE_PAD_TYPE_NONE;
 625         }
 626 }
 627
 628 static void update_multitap()
 629 {
 630         struct retro_variable var;
 631         int auto_case, port;
 632
 633         var.value = NULL;
 634         var.key = "pcsx_rearmed_multitap1";
 635         auto_case = 0;
 636         if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value))
 637         {
 638                 if (strcmp(var.value, "enabled") == 0)
 639                         multitap1 = 1;
 640                 else if (strcmp(var.value, "disabled") == 0)
 641                         multitap1 = 0;
 642                 else // 'auto' case
 643                         auto_case = 1;
 644         }
 645         else
 646                 auto_case = 1;
 647
 648         if (auto_case)
 649         {
 650                 // If a gamepad is plugged after port 2, we need a first multitap.
 651                 multitap1 = 0;
 652                 for (port = 2; port < PORTS_NUMBER; port++)
 653                         multitap1 |= in_type[port] != PSE_PAD_TYPE_NONE;
 654         }
 655
 656         var.value = NULL;
 657         var.key = "pcsx_rearmed_multitap2";
 658         auto_case = 0;
 659         if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value))
 660         {
 661                 if (strcmp(var.value, "enabled") == 0)
 662                         multitap2 = 1;
 663                 else if (strcmp(var.value, "disabled") == 0)
 664                         multitap2 = 0;
 665                 else // 'auto' case
 666                         auto_case = 1;
 667         }
 668         else
 669                 auto_case = 1;
 670
 671         if (auto_case)
 672         {
 673                 // If a gamepad is plugged after port 4, we need a second multitap.
 674                 multitap2 = 0;
 675                 for (port = 4; port < PORTS_NUMBER; port++)
 676                         multitap2 |= in_type[port] != PSE_PAD_TYPE_NONE;
 677         }
 678 }
 679
 680 void retro_set_controller_port_device(unsigned port, unsigned device)
 681 {
 682         SysPrintf("port %u  device %u",port,device);
 683
 684         if (port >= PORTS_NUMBER)
 685                 return;
 686
 687         update_controller_port_device(port, device);
 688         update_multitap();
 689 }
 690
 691 void retro_get_system_info(struct retro_system_info *info)
 692 {
 693         memset(info, 0, sizeof(*info));
 694         info->library_name = "PCSX-ReARMed";
 695 #ifndef GIT_VERSION
 696 #define GIT_VERSION ""
 697 #endif
 698         info->library_version = "r22" GIT_VERSION;
 699         info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u|chd";
 700         info->need_fullpath = true;
 701 }
 702
 703 void retro_get_system_av_info(struct retro_system_av_info *info)
 704 {
 705         memset(info, 0, sizeof(*info));
 706         info->timing.fps            = is_pal_mode ? 50 : 60;
 707         info->timing.sample_rate    = 44100;
 708         info->geometry.base_width   = 320;
 709         info->geometry.base_height  = 240;
 710         info->geometry.max_width    = VOUT_MAX_WIDTH;
 711         info->geometry.max_height   = VOUT_MAX_HEIGHT;
 712         info->geometry.aspect_ratio = 4.0 / 3.0;
 713 }
 714
 715 /* savestates */
 716 size_t retro_serialize_size(void)
 717 {
 718         // it's currently 4380651-4397047 bytes,
 719         // but have some reserved for future
 720         return 0x440000;
 721 }
 722
 723 struct save_fp {
 724         char *buf;
 725         size_t pos;
 726         int is_write;
 727 };
 728
 729 static void *save_open(const char *name, const char *mode)
 730 {
 731         struct save_fp *fp;
 732
 733         if (name == NULL || mode == NULL)
 734                 return NULL;
 735
 736         fp = malloc(sizeof(*fp));
 737         if (fp == NULL)
 738                 return NULL;
 739
 740         fp->buf = (char *)name;
 741         fp->pos = 0;
 742         fp->is_write = (mode[0] == 'w' || mode[1] == 'w');
 743
 744         return fp;
 745 }
 746
 747 static int save_read(void *file, void *buf, u32 len)
 748 {
 749         struct save_fp *fp = file;
 750         if (fp == NULL || buf == NULL)
 751                 return -1;
 752
 753         memcpy(buf, fp->buf + fp->pos, len);
 754         fp->pos += len;
 755         return len;
 756 }
 757
 758 static int save_write(void *file, const void *buf, u32 len)
 759 {
 760         struct save_fp *fp = file;
 761         if (fp == NULL || buf == NULL)
 762                 return -1;
 763
 764         memcpy(fp->buf + fp->pos, buf, len);
 765         fp->pos += len;
 766         return len;
 767 }
 768
 769 static long save_seek(void *file, long offs, int whence)
 770 {
 771         struct save_fp *fp = file;
 772         if (fp == NULL)
 773                 return -1;
 774
 775         switch (whence) {
 776         case SEEK_CUR:
 777                 fp->pos += offs;
 778                 return fp->pos;
 779         case SEEK_SET:
 780                 fp->pos = offs;
 781                 return fp->pos;
 782         default:
 783                 return -1;
 784         }
 785 }
 786
 787 static void save_close(void *file)
 788 {
 789         struct save_fp *fp = file;
 790         size_t r_size = retro_serialize_size();
 791         if (fp == NULL)
 792                 return;
 793
 794         if (fp->pos > r_size)
 795                 SysPrintf("ERROR: save buffer overflow detected\n");
 796         else if (fp->is_write && fp->pos < r_size)
 797                 // make sure we don't save trash in leftover space
 798                 memset(fp->buf + fp->pos, 0, r_size - fp->pos);
 799         free(fp);
 800 }
 801
 802 bool retro_serialize(void *data, size_t size)
 803 {
 804         int ret = SaveState(data);
 805         return ret == 0 ? true : false;
 806 }
 807
 808 bool retro_unserialize(const void *data, size_t size)
 809 {
 810         int ret = LoadState(data);
 811         return ret == 0 ? true : false;
 812 }
 813
 814 /* cheats */
 815 void retro_cheat_reset(void)
 816 {
 817         ClearAllCheats();
 818 }
 819
 820 void retro_cheat_set(unsigned index, bool enabled, const char *code)
 821 {
 822         char buf[256];
 823         int ret;
 824
 825         // cheat funcs are destructive, need a copy..
 826         strncpy(buf, code, sizeof(buf));
 827         buf[sizeof(buf) - 1] = 0;
 828
 829         //Prepare buffered cheat for PCSX's AddCheat fucntion.
 830         int cursor=0;
 831         int nonhexdec=0;
 832         while (buf[cursor]){
 833                 if (!(ISHEXDEC)){
 834                         if (++nonhexdec%2){
 835                                 buf[cursor]=' ';
 836                         } else {
 837                                 buf[cursor]='\n';
 838                         }
 839                 }
 840                 cursor++;
 841         }
 842
 843
 844         if (index < NumCheats)
 845                 ret = EditCheat(index, "", buf);
 846         else
 847                 ret = AddCheat("", buf);
 848
 849         if (ret != 0)
 850                 SysPrintf("Failed to set cheat %#u\n", index);
 851         else if (index < NumCheats)
 852                 Cheats[index].Enabled = enabled;
 853 }
 854
 855 /* multidisk support */
 856 static bool disk_ejected;
 857 static unsigned int disk_current_index;
 858 static unsigned int disk_count;
 859 static struct disks_state {
 860         char *fname;
 861         int internal_index; // for multidisk eboots
 862 } disks[8];
 863
 864 static bool disk_set_eject_state(bool ejected)
 865 {
 866         // weird PCSX API..
 867         SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2));
 868         LidInterrupt();
 869
 870         disk_ejected = ejected;
 871         return true;
 872 }
 873
 874 static bool disk_get_eject_state(void)
 875 {
 876         /* can't be controlled by emulated software */
 877         return disk_ejected;
 878 }
 879
 880 static unsigned int disk_get_image_index(void)
 881 {
 882         return disk_current_index;
 883 }
 884
 885 static bool disk_set_image_index(unsigned int index)
 886 {
 887         if (index >= sizeof(disks) / sizeof(disks[0]))
 888                 return false;
 889
 890         CdromId[0] = '\0';
 891         CdromLabel[0] = '\0';
 892
 893         if (disks[index].fname == NULL) {
 894                 SysPrintf("missing disk #%u\n", index);
 895                 CDR_shutdown();
 896
 897                 // RetroArch specifies "no disk" with index == count,
 898                 // so don't fail here..
 899                 disk_current_index = index;
 900                 return true;
 901         }
 902
 903         SysPrintf("switching to disk %u: \"%s\" #%d\n", index,
 904                 disks[index].fname, disks[index].internal_index);
 905
 906         cdrIsoMultidiskSelect = disks[index].internal_index;
 907         set_cd_image(disks[index].fname);
 908         if (ReloadCdromPlugin() < 0) {
 909                 SysPrintf("failed to load cdr plugin\n");
 910                 return false;
 911         }
 912         if (CDR_open() < 0) {
 913                 SysPrintf("failed to open cdr plugin\n");
 914                 return false;
 915         }
 916
 917         if (!disk_ejected) {
 918                 SetCdOpenCaseTime(time(NULL) + 2);
 919                 LidInterrupt();
 920         }
 921
 922         disk_current_index = index;
 923         return true;
 924 }
 925
 926 static unsigned int disk_get_num_images(void)
 927 {
 928         return disk_count;
 929 }
 930
 931 static bool disk_replace_image_index(unsigned index,
 932         const struct retro_game_info *info)
 933 {
 934         char *old_fname;
 935         bool ret = true;
 936
 937         if (index >= sizeof(disks) / sizeof(disks[0]))
 938                 return false;
 939
 940         old_fname = disks[index].fname;
 941         disks[index].fname = NULL;
 942         disks[index].internal_index = 0;
 943
 944         if (info != NULL) {
 945                 disks[index].fname = strdup(info->path);
 946                 if (index == disk_current_index)
 947                         ret = disk_set_image_index(index);
 948         }
 949
 950         if (old_fname != NULL)
 951                 free(old_fname);
 952
 953         return ret;
 954 }
 955
 956 static bool disk_add_image_index(void)
 957 {
 958         if (disk_count >= 8)
 959                 return false;
 960
 961         disk_count++;
 962         return true;
 963 }
 964
 965 static struct retro_disk_control_callback disk_control = {
 966         .set_eject_state = disk_set_eject_state,
 967         .get_eject_state = disk_get_eject_state,
 968         .get_image_index = disk_get_image_index,
 969         .set_image_index = disk_set_image_index,
 970         .get_num_images = disk_get_num_images,
 971         .replace_image_index = disk_replace_image_index,
 972         .add_image_index = disk_add_image_index,
 973 };
 974
 975 // just in case, maybe a win-rt port in the future?
 976 #ifdef _WIN32
 977 #define SLASH '\\'
 978 #else
 979 #define SLASH '/'
 980 #endif
 981
 982 #ifndef PATH_MAX
 983 #define PATH_MAX  4096
 984 #endif
 985
 986 static char base_dir[PATH_MAX];
 987
 988 static bool read_m3u(const char *file)
 989 {
 990         char line[PATH_MAX];
 991         char name[PATH_MAX];
 992         FILE *f = fopen(file, "r");
 993         if (!f)
 994                 return false;
 995
 996         while (fgets(line, sizeof(line), f) && disk_count < sizeof(disks) / sizeof(disks[0])) {
 997                 if (line[0] == '#')
 998                         continue;
 999                 char *carrige_return = strchr(line, '\r');
1000                 if (carrige_return)
1001                         *carrige_return = '\0';
1002                 char *newline = strchr(line, '\n');
1003                 if (newline)
1004                         *newline = '\0';
1005
1006                 if (line[0] != '\0')
1007                 {
1008                         snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
1009                         disks[disk_count++].fname = strdup(name);
1010                 }
1011         }
1012
1013         fclose(f);
1014         return (disk_count != 0);
1015 }
1016
1017 static void extract_directory(char *buf, const char *path, size_t size)
1018 {
1019    char *base;
1020    strncpy(buf, path, size - 1);
1021    buf[size - 1] = '\0';
1022
1023    base = strrchr(buf, '/');
1024    if (!base)
1025       base = strrchr(buf, '\\');
1026
1027    if (base)
1028       *base = '\0';
1029    else
1030    {
1031       buf[0] = '.';
1032       buf[1] = '\0';
1033    }
1034 }
1035
1036 #if defined(__QNX__) || defined(_WIN32)
1037 /* Blackberry QNX doesn't have strcasestr */
1038
1039 /*
1040  * Find the first occurrence of find in s, ignore case.
1041  */
1042 char *
1043 strcasestr(const char *s, const char*find)
1044 {
1045         char c, sc;
1046         size_t len;
1047
1048         if ((c = *find++) != 0) {
1049                 c = tolower((unsigned char)c);
1050                 len = strlen(find);
1051                 do {
1052                         do {
1053                                 if ((sc = *s++) == 0)
1054                                         return (NULL);
1055                         } while ((char)tolower((unsigned char)sc) != c);
1056                 } while (strncasecmp(s, find, len) != 0);
1057                 s--;
1058         }
1059         return ((char *)s);
1060 }
1061 #endif
1062
1063 bool retro_load_game(const struct retro_game_info *info)
1064 {
1065         size_t i;
1066         bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
1067
1068    struct retro_input_descriptor desc[] = {
1069       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT,  "D-Pad Left" },
1070       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP,    "D-Pad Up" },
1071       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN,  "D-Pad Down" },
1072       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1073       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B,     "Cross" },
1074       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A,     "Circle" },
1075       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X,     "Triangle" },
1076       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y,     "Square" },
1077       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L,     "L1" },
1078       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2,    "L2" },
1079       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3,    "L3" },
1080       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R,     "R1" },
1081       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2,    "R2" },
1082       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3,    "R3" },
1083       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,    "Select" },
1084       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START,    "Start" },
1085       { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1086       { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1087       { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1088       { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1089
1090
1091       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT,  "D-Pad Left" },
1092       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP,    "D-Pad Up" },
1093       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN,  "D-Pad Down" },
1094       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1095       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B,     "Cross" },
1096       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A,     "Circle" },
1097       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X,     "Triangle" },
1098       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y,     "Square" },
1099       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L,     "L1" },
1100       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2,    "L2" },
1101       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3,    "L3" },
1102       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R,     "R1" },
1103       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2,    "R2" },
1104       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3,    "R3" },
1105       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,    "Select" },
1106       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START,    "Start" },
1107       { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1108       { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1109       { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1110       { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1111
1112       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT,  "D-Pad Left" },
1113       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP,    "D-Pad Up" },
1114       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN,  "D-Pad Down" },
1115       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1116       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B,     "Cross" },
1117       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A,     "Circle" },
1118       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X,     "Triangle" },
1119       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y,     "Square" },
1120       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L,     "L1" },
1121       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2,    "L2" },
1122       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3,    "L3" },
1123       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R,     "R1" },
1124       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2,    "R2" },
1125       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3,    "R3" },
1126       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,    "Select" },
1127       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START,    "Start" },
1128       { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1129       { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1130       { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1131       { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1132
1133       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT,  "D-Pad Left" },
1134       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP,    "D-Pad Up" },
1135       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN,  "D-Pad Down" },
1136       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1137       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B,     "Cross" },
1138       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A,     "Circle" },
1139       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X,     "Triangle" },
1140       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y,     "Square" },
1141       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L,     "L1" },
1142       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2,    "L2" },
1143       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3,    "L3" },
1144       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R,     "R1" },
1145       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2,    "R2" },
1146       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3,    "R3" },
1147       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,    "Select" },
1148       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START,    "Start" },
1149       { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1150       { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1151       { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1152       { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1153
1154       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT,  "D-Pad Left" },
1155       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP,    "D-Pad Up" },
1156       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN,  "D-Pad Down" },
1157       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1158       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B,     "Cross" },
1159       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A,     "Circle" },
1160       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X,     "Triangle" },
1161       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y,     "Square" },
1162       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L,     "L1" },
1163       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2,    "L2" },
1164       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3,    "L3" },
1165       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R,     "R1" },
1166       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2,    "R2" },
1167       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3,    "R3" },
1168       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,    "Select" },
1169       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START,    "Start" },
1170       { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1171       { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1172       { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1173       { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1174
1175       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT,  "D-Pad Left" },
1176       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP,    "D-Pad Up" },
1177       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN,  "D-Pad Down" },
1178       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1179       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B,     "Cross" },
1180       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A,     "Circle" },
1181       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X,     "Triangle" },
1182       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y,     "Square" },
1183       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L,     "L1" },
1184       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2,    "L2" },
1185       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3,    "L3" },
1186       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R,     "R1" },
1187       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2,    "R2" },
1188       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3,    "R3" },
1189       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,    "Select" },
1190       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START,    "Start" },
1191       { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1192       { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1193       { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1194       { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1195
1196       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT,  "D-Pad Left" },
1197       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP,    "D-Pad Up" },
1198       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN,  "D-Pad Down" },
1199       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1200       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B,     "Cross" },
1201       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A,     "Circle" },
1202       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X,     "Triangle" },
1203       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y,     "Square" },
1204       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L,     "L1" },
1205       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2,    "L2" },
1206       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3,    "L3" },
1207       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R,     "R1" },
1208       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2,    "R2" },
1209       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3,    "R3" },
1210       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,    "Select" },
1211       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START,    "Start" },
1212       { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1213       { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1214       { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1215       { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1216
1217       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT,  "D-Pad Left" },
1218       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP,    "D-Pad Up" },
1219       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN,  "D-Pad Down" },
1220       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1221       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B,     "Cross" },
1222       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A,     "Circle" },
1223       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X,     "Triangle" },
1224       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y,     "Square" },
1225       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L,     "L1" },
1226       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2,    "L2" },
1227       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3,    "L3" },
1228       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R,     "R1" },
1229       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2,    "R2" },
1230       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3,    "R3" },
1231       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,    "Select" },
1232       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START,    "Start" },
1233       { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1234       { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1235       { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1236       { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1237
1238       { 0 },
1239    };
1240
1241          frame_count = 0;
1242
1243    environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
1244
1245 #ifdef FRONTEND_SUPPORTS_RGB565
1246         enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
1247         if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) {
1248                 SysPrintf("RGB565 supported, using it\n");
1249         }
1250 #endif
1251
1252         if (info == NULL || info->path == NULL) {
1253                 SysPrintf("info->path required\n");
1254                 return false;
1255         }
1256
1257         if (plugins_opened) {
1258                 ClosePlugins();
1259                 plugins_opened = 0;
1260         }
1261
1262         for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++) {
1263                 if (disks[i].fname != NULL) {
1264                         free(disks[i].fname);
1265                         disks[i].fname = NULL;
1266                 }
1267                 disks[i].internal_index = 0;
1268         }
1269
1270         disk_current_index = 0;
1271         extract_directory(base_dir, info->path, sizeof(base_dir));
1272
1273         if (is_m3u) {
1274                 if (!read_m3u(info->path)) {
1275                         log_cb(RETRO_LOG_INFO, "failed to read m3u file\n");
1276                         return false;
1277                 }
1278         } else {
1279                 disk_count = 1;
1280                 disks[0].fname = strdup(info->path);
1281         }
1282
1283         set_cd_image(disks[0].fname);
1284
1285         /* have to reload after set_cd_image for correct cdr plugin */
1286         if (LoadPlugins() == -1) {
1287                 log_cb(RETRO_LOG_INFO, "failed to load plugins\n");
1288                 return false;
1289         }
1290
1291         plugins_opened = 1;
1292         NetOpened = 0;
1293
1294         if (OpenPlugins() == -1) {
1295                 log_cb(RETRO_LOG_INFO, "failed to open plugins\n");
1296                 return false;
1297         }
1298
1299         plugin_call_rearmed_cbs();
1300         dfinput_activate();
1301
1302         if (CheckCdrom() == -1) {
1303         log_cb(RETRO_LOG_INFO, "unsupported/invalid CD image: %s\n", info->path);
1304                 return false;
1305         }
1306
1307         SysReset();
1308
1309         if (LoadCdrom() == -1) {
1310                 log_cb(RETRO_LOG_INFO, "could not load CD\n");
1311                 return false;
1312         }
1313         emu_on_new_cd(0);
1314
1315         // multidisk images
1316         if (!is_m3u) {
1317                 disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8;
1318                 for (i = 1; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++) {
1319                         disks[i].fname = strdup(info->path);
1320                         disks[i].internal_index = i;
1321                 }
1322         }
1323
1324         return true;
1325 }
1326
1327 unsigned retro_get_region(void)
1328 {
1329         return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
1330 }
1331
1332 void *retro_get_memory_data(unsigned id)
1333 {
1334         if (id == RETRO_MEMORY_SAVE_RAM)
1335                 return Mcd1Data;
1336         else
1337                 return NULL;
1338 }
1339
1340 size_t retro_get_memory_size(unsigned id)
1341 {
1342         if (id == RETRO_MEMORY_SAVE_RAM)
1343                 return MCD_SIZE;
1344         else
1345                 return 0;
1346 }
1347
1348 void retro_reset(void)
1349 {
1350    //hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
1351    rebootemu = 1;
1352         //SysReset();
1353 }
1354
1355 static const unsigned short retro_psx_map[] = {
1356         [RETRO_DEVICE_ID_JOYPAD_B]      = 1 << DKEY_CROSS,
1357         [RETRO_DEVICE_ID_JOYPAD_Y]      = 1 << DKEY_SQUARE,
1358         [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT,
1359         [RETRO_DEVICE_ID_JOYPAD_START]  = 1 << DKEY_START,
1360         [RETRO_DEVICE_ID_JOYPAD_UP]     = 1 << DKEY_UP,
1361         [RETRO_DEVICE_ID_JOYPAD_DOWN]   = 1 << DKEY_DOWN,
1362         [RETRO_DEVICE_ID_JOYPAD_LEFT]   = 1 << DKEY_LEFT,
1363         [RETRO_DEVICE_ID_JOYPAD_RIGHT]  = 1 << DKEY_RIGHT,
1364         [RETRO_DEVICE_ID_JOYPAD_A]      = 1 << DKEY_CIRCLE,
1365         [RETRO_DEVICE_ID_JOYPAD_X]      = 1 << DKEY_TRIANGLE,
1366         [RETRO_DEVICE_ID_JOYPAD_L]      = 1 << DKEY_L1,
1367         [RETRO_DEVICE_ID_JOYPAD_R]      = 1 << DKEY_R1,
1368         [RETRO_DEVICE_ID_JOYPAD_L2]     = 1 << DKEY_L2,
1369         [RETRO_DEVICE_ID_JOYPAD_R2]     = 1 << DKEY_R2,
1370         [RETRO_DEVICE_ID_JOYPAD_L3]     = 1 << DKEY_L3,
1371         [RETRO_DEVICE_ID_JOYPAD_R3]     = 1 << DKEY_R3,
1372 };
1373 #define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
1374
1375 static void update_variables(bool in_flight)
1376 {
1377    struct retro_variable var;
1378    int i;
1379
1380    var.value = NULL;
1381    var.key = "pcsx_rearmed_frameskip";
1382    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1383       pl_rearmed_cbs.frameskip = atoi(var.value);
1384
1385    var.value = NULL;
1386    var.key = "pcsx_rearmed_region";
1387    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1388    {
1389       Config.PsxAuto = 0;
1390       if (strcmp(var.value, "auto") == 0)
1391          Config.PsxAuto = 1;
1392       else if (strcmp(var.value, "NTSC") == 0)
1393          Config.PsxType = 0;
1394       else if (strcmp(var.value, "PAL") == 0)
1395          Config.PsxType = 1;
1396    }
1397
1398    for (i = 0; i < PORTS_NUMBER; i++)
1399       update_controller_port_variable(i);
1400
1401    update_multitap();
1402
1403    var.value = NULL;
1404    var.key = "pcsx_rearmed_negcon_deadzone";
1405    negcon_deadzone = 0;
1406    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1407    {
1408       negcon_deadzone = (int)(atoi(var.value) * 0.01f * NEGCON_RANGE);
1409    }
1410
1411    var.value = NULL;
1412    var.key = "pcsx_rearmed_negcon_response";
1413    negcon_linearity = 1;
1414    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1415    {
1416       if (strcmp(var.value, "quadratic") == 0){
1417          negcon_linearity = 2;
1418       } else if (strcmp(var.value, "cubic") == 0){
1419          negcon_linearity = 3;
1420       }
1421    }
1422
1423    var.value = NULL;
1424    var.key = "pcsx_rearmed_vibration";
1425
1426    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1427    {
1428       if (strcmp(var.value, "disabled") == 0)
1429          in_enable_vibration = 0;
1430       else if (strcmp(var.value, "enabled") == 0)
1431          in_enable_vibration = 1;
1432    }
1433
1434    var.value = NULL;
1435    var.key = "pcsx_rearmed_dithering";
1436
1437    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1438    {
1439       if (strcmp(var.value, "disabled") == 0) {
1440          pl_rearmed_cbs.gpu_peops.iUseDither = 0;
1441          pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 0;
1442 #ifdef __ARM_NEON__
1443          pl_rearmed_cbs.gpu_neon.allow_dithering = 0;
1444 #endif
1445       }
1446       else if (strcmp(var.value, "enabled") == 0) {
1447          pl_rearmed_cbs.gpu_peops.iUseDither = 1;
1448          pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 1;
1449 #ifdef __ARM_NEON__
1450          pl_rearmed_cbs.gpu_neon.allow_dithering = 1;
1451 #endif
1452       }
1453    }
1454
1455 #ifdef __ARM_NEON__
1456    var.value = "NULL";
1457    var.key = "pcsx_rearmed_neon_interlace_enable";
1458
1459    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1460    {
1461       if (strcmp(var.value, "disabled") == 0)
1462          pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
1463       else if (strcmp(var.value, "enabled") == 0)
1464          pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
1465    }
1466
1467    var.value = NULL;
1468    var.key = "pcsx_rearmed_neon_enhancement_enable";
1469
1470    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1471    {
1472       if (strcmp(var.value, "disabled") == 0)
1473          pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
1474       else if (strcmp(var.value, "enabled") == 0)
1475          pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
1476    }
1477
1478    var.value = NULL;
1479    var.key = "pcsx_rearmed_neon_enhancement_no_main";
1480
1481    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1482    {
1483       if (strcmp(var.value, "disabled") == 0)
1484          pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
1485       else if (strcmp(var.value, "enabled") == 0)
1486          pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1;
1487    }
1488 #endif
1489
1490    var.value = "NULL";
1491    var.key = "pcsx_rearmed_duping_enable";
1492
1493    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1494    {
1495       if (strcmp(var.value, "disabled") == 0)
1496          duping_enable = false;
1497       else if (strcmp(var.value, "enabled") == 0)
1498          duping_enable = true;
1499    }
1500
1501    var.value = "NULL";
1502    var.key = "pcsx_rearmed_display_internal_fps";
1503
1504    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1505    {
1506       if (strcmp(var.value, "disabled") == 0)
1507          display_internal_fps = false;
1508       else if (strcmp(var.value, "enabled") == 0)
1509          display_internal_fps = true;
1510    }
1511
1512 #ifndef DRC_DISABLE
1513    var.value = NULL;
1514    var.key = "pcsx_rearmed_drc";
1515
1516    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1517    {
1518       R3000Acpu *prev_cpu = psxCpu;
1519
1520 #ifdef _3DS
1521       if(!__ctr_svchax)
1522          Config.Cpu = CPU_INTERPRETER;
1523       else
1524 #endif
1525       if (strcmp(var.value, "disabled") == 0)
1526          Config.Cpu = CPU_INTERPRETER;
1527       else if (strcmp(var.value, "enabled") == 0)
1528          Config.Cpu = CPU_DYNAREC;
1529
1530       psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
1531       if (psxCpu != prev_cpu) {
1532          prev_cpu->Shutdown();
1533          psxCpu->Init();
1534          psxCpu->Reset(); // not really a reset..
1535       }
1536    }
1537 #endif
1538
1539    var.value = "NULL";
1540    var.key = "pcsx_rearmed_spu_reverb";
1541
1542    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1543    {
1544       if (strcmp(var.value, "disabled") == 0)
1545          spu_config.iUseReverb = false;
1546       else if (strcmp(var.value, "enabled") == 0)
1547          spu_config.iUseReverb = true;
1548    }
1549
1550    var.value = "NULL";
1551    var.key = "pcsx_rearmed_spu_interpolation";
1552
1553    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1554    {
1555       if (strcmp(var.value, "simple") == 0)
1556          spu_config.iUseInterpolation = 1;
1557       else if (strcmp(var.value, "gaussian") == 0)
1558          spu_config.iUseInterpolation = 2;
1559       else if (strcmp(var.value, "cubic") == 0)
1560          spu_config.iUseInterpolation = 3;
1561       else if (strcmp(var.value, "off") == 0)
1562          spu_config.iUseInterpolation = 0;
1563    }
1564
1565    var.value = "NULL";
1566    var.key = "pcsx_rearmed_pe2_fix";
1567
1568    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1569    {
1570       if (strcmp(var.value, "disabled") == 0)
1571          Config.RCntFix = 0;
1572       else if (strcmp(var.value, "enabled") == 0)
1573          Config.RCntFix = 1;
1574    }
1575
1576    var.value = "NULL";
1577    var.key = "pcsx_rearmed_idiablofix";
1578
1579    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1580    {
1581       if (strcmp(var.value, "disabled") == 0)
1582          spu_config.idiablofix = 0;
1583       else if (strcmp(var.value, "enabled") == 0)
1584          spu_config.idiablofix = 1;
1585    }
1586
1587    var.value = "NULL";
1588    var.key = "pcsx_rearmed_inuyasha_fix";
1589
1590    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1591    {
1592       if (strcmp(var.value, "disabled") == 0)
1593          Config.VSyncWA = 0;
1594       else if (strcmp(var.value, "enabled") == 0)
1595          Config.VSyncWA = 1;
1596    }
1597
1598    if (in_flight) {
1599       // inform core things about possible config changes
1600       plugin_call_rearmed_cbs();
1601
1602       if (GPU_open != NULL && GPU_close != NULL) {
1603          GPU_close();
1604          GPU_open(&gpuDisp, "PCSX", NULL);
1605       }
1606
1607       dfinput_activate();
1608    }
1609    else
1610    {
1611       //not yet running
1612
1613       //bootlogo display hack
1614       if (found_bios) {
1615          var.value = "NULL";
1616          var.key = "pcsx_rearmed_show_bios_bootlogo";
1617          if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1618          {
1619             Config.SlowBoot = 0;
1620             rebootemu = 0;
1621             if (strcmp(var.value, "enabled") == 0)
1622             {
1623                Config.SlowBoot = 1;
1624                rebootemu = 1;
1625             }
1626          }
1627       }
1628 #ifndef DRC_DISABLE
1629       var.value = "NULL";
1630       var.key = "pcsx_rearmed_psxclock";
1631       if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1632       {
1633          int psxclock = atoi(var.value);
1634          cycle_multiplier = 10000 / psxclock;
1635       }
1636 #endif
1637    }
1638 }
1639
1640 // Taken from beetle-psx-libretro
1641 static uint16_t get_analog_button(retro_input_state_t input_state_cb, int player_index, int id)
1642 {
1643         uint16_t button;
1644
1645         // NOTE: Analog buttons were added Nov 2017. Not all front-ends support this
1646         // feature (or pre-date it) so we need to handle this in a graceful way.
1647
1648         // First, try and get an analog value using the new libretro API constant
1649         button = input_state_cb(player_index,
1650                                                                         RETRO_DEVICE_ANALOG,
1651                                                                         RETRO_DEVICE_INDEX_ANALOG_BUTTON,
1652                                                                         id);
1653         button = MIN(button / 128, 255);
1654
1655         if (button == 0)
1656         {
1657                 // If we got exactly zero, we're either not pressing the button, or the front-end
1658                 // is not reporting analog values. We need to do a second check using the classic
1659                 // digital API method, to at least get some response - better than nothing.
1660
1661                 // NOTE: If we're really just not holding the button, we're still going to get zero.
1662
1663                 button = input_state_cb(player_index,
1664                                                                                 RETRO_DEVICE_JOYPAD,
1665                                                                                 0,
1666                                                                                 id) ? 255 : 0;
1667         }
1668
1669         return button;
1670 }
1671
1672 void retro_run(void)
1673 {
1674         int i;
1675         //SysReset must be run while core is running,Not in menu (Locks up Retroarch)
1676         if (rebootemu != 0) {
1677                 rebootemu = 0;
1678                 SysReset();
1679                 if (!Config.HLE && !Config.SlowBoot) {
1680                         // skip BIOS logos
1681                         psxRegs.pc = psxRegs.GPR.n.ra;
1682                 }
1683         }
1684
1685         if (display_internal_fps) {
1686                 frame_count++;
1687
1688                 if (frame_count % INTERNAL_FPS_SAMPLE_PERIOD == 0) {
1689                         unsigned internal_fps = pl_rearmed_cbs.flip_cnt * (is_pal_mode ? 50 : 60) / INTERNAL_FPS_SAMPLE_PERIOD;
1690                         char str[64];
1691                         const char *strc = (const char*)str;
1692                         struct retro_message msg =
1693                         {
1694                                 strc,
1695                                 180
1696                         };
1697
1698                         str[0] = '\0';
1699
1700                         snprintf(str, sizeof(str), "Internal FPS: %2d", internal_fps);
1701
1702                         pl_rearmed_cbs.flip_cnt = 0;
1703
1704                         environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, &msg);
1705                 }
1706         } else {
1707                 frame_count = 0;
1708         }
1709
1710         input_poll_cb();
1711
1712         bool updated = false;
1713         if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
1714                 update_variables(true);
1715
1716         // reset all keystate, query libretro for keystate
1717         int j;
1718         int lsx;
1719         int rsy;
1720         float negcon_twist_amplitude;
1721         int negcon_i_rs;
1722         int negcon_ii_rs;
1723         for(i = 0; i < PORTS_NUMBER; i++) {
1724                 in_keystate[i] = 0;
1725
1726                 if (in_type[i] == PSE_PAD_TYPE_NONE)
1727                         continue;
1728
1729                 if (in_type[i] == PSE_PAD_TYPE_NEGCON)
1730                 {
1731                         // Query digital inputs
1732                         //
1733                         // > Pad-Up
1734                         if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP)){
1735                                 in_keystate[i] |= (1 << DKEY_UP);
1736                         }
1737                         // > Pad-Right
1738                         if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT)){
1739                                 in_keystate[i] |= (1 << DKEY_RIGHT);
1740                         }
1741                         // > Pad-Down
1742                         if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN)){
1743                                 in_keystate[i] |= (1 << DKEY_DOWN);
1744                         }
1745                         // > Pad-Left
1746                         if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT)){
1747                                 in_keystate[i] |= (1 << DKEY_LEFT);
1748                         }
1749                         // > Start
1750                         if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START)){
1751                                 in_keystate[i] |= (1 << DKEY_START);
1752                         }
1753                         // > neGcon A
1754                         if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A)){
1755                                 in_keystate[i] |= (1 << DKEY_CIRCLE);
1756                         }
1757                         // > neGcon B
1758                         if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X)){
1759                                 in_keystate[i] |= (1 << DKEY_TRIANGLE);
1760                         }
1761                         // > neGcon R shoulder (digital)
1762                         if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R)){
1763                                 in_keystate[i] |= (1 << DKEY_R1);
1764                         }
1765                         // Query analog inputs
1766                         //
1767                         // From studying 'libpcsxcore/plugins.c' and 'frontend/plugin.c':
1768                         // >> pad->leftJoyX  == in_analog_left[i][0]  == NeGcon II
1769                         // >> pad->leftJoyY  == in_analog_left[i][1]  == NeGcon L
1770                         // >> pad->rightJoyX == in_analog_right[i][0] == NeGcon twist
1771                         // >> pad->rightJoyY == in_analog_right[i][1] == NeGcon I
1772                         // So we just have to map in_analog_left/right to more
1773                         // appropriate inputs...
1774                         //
1775                         // > NeGcon twist
1776                         // >> Get raw analog stick value and account for deadzone
1777                         lsx = input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X);
1778                         if (lsx > negcon_deadzone){
1779                                 lsx = lsx - negcon_deadzone;
1780                         } else if (lsx < -negcon_deadzone){
1781                                 lsx = lsx + negcon_deadzone;
1782                         } else {
1783                                 lsx = 0;
1784                         }
1785                         // >> Convert to an 'amplitude' [-1.0,1.0] and adjust response
1786                         negcon_twist_amplitude = (float)lsx / (float)(NEGCON_RANGE - negcon_deadzone);
1787                         if (negcon_linearity == 2){
1788                                 if (negcon_twist_amplitude < 0.0){
1789                                         negcon_twist_amplitude = -(negcon_twist_amplitude * negcon_twist_amplitude);
1790                                 } else {
1791                                         negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude;
1792                                 }
1793                         } else if (negcon_linearity == 3){
1794                                 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude * negcon_twist_amplitude;
1795                         }
1796                         // >> Convert to final 'in_analog' integer value [0,255]
1797                         in_analog_right[i][0] = MAX(MIN((int)(negcon_twist_amplitude * 128.0f) + 128, 255), 0);
1798                         // > NeGcon I + II
1799                         // >> Handle right analog stick vertical axis mapping...
1800                         //    - Up (-Y) == accelerate == neGcon I
1801                         //    - Down (+Y) == brake == neGcon II
1802                         negcon_i_rs = 0;
1803                         negcon_ii_rs = 0;
1804                         rsy = input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y);
1805                         if (rsy >= 0){
1806                                 // Account for deadzone
1807                                 // (Note: have never encountered a gamepad with significant differences
1808                                 // in deadzone between left/right analog sticks, so use the regular 'twist'
1809                                 // deadzone here)
1810                                 if (rsy > negcon_deadzone){
1811                                         rsy = rsy - negcon_deadzone;
1812                                 } else {
1813                                         rsy = 0;
1814                                 }
1815                                 // Convert to 'in_analog' integer value [0,255]
1816                                 negcon_ii_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
1817                         } else {
1818                                 if (rsy < -negcon_deadzone){
1819                                         rsy = -1 * (rsy + negcon_deadzone);
1820                                 } else {
1821                                         rsy = 0;
1822                                 }
1823                                 negcon_i_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
1824                         }
1825                         // >> NeGcon I
1826                         in_analog_right[i][1] = MAX(
1827                                 MAX(
1828                                         get_analog_button(input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_R2),
1829                                         get_analog_button(input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_B)
1830                                 ),
1831                                 negcon_i_rs
1832                         );
1833                         // >> NeGcon II
1834                         in_analog_left[i][0] = MAX(
1835                                 MAX(
1836                                         get_analog_button(input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_L2),
1837                                         get_analog_button(input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_Y)
1838                                 ),
1839                                 negcon_ii_rs
1840                         );
1841                         // > NeGcon L
1842                         in_analog_left[i][1] = get_analog_button(input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_L);
1843                 }
1844                 else
1845                 {
1846                         // Query digital inputs
1847                         for (j = 0; j < RETRO_PSX_MAP_LEN; j++){
1848                                 if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, j)){
1849                                         in_keystate[i] |= retro_psx_map[j];
1850                                 }
1851                         }
1852                         // Query analog inputs
1853                         if (in_type[i] == PSE_PAD_TYPE_ANALOGJOY || in_type[i] == PSE_PAD_TYPE_ANALOGPAD)
1854                         {
1855                                 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);
1856                                 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);
1857                                 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);
1858                                 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);
1859                         }
1860                 }
1861         }
1862
1863         stop = 0;
1864         psxCpu->Execute();
1865
1866         video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf_ptr : NULL,
1867                 vout_width, vout_height, vout_width * 2);
1868         vout_fb_dirty = 0;
1869
1870     set_vout_fb();
1871 }
1872
1873 static bool try_use_bios(const char *path)
1874 {
1875         FILE *f;
1876         long size;
1877         const char *name;
1878
1879         f = fopen(path, "rb");
1880         if (f == NULL)
1881                 return false;
1882
1883         fseek(f, 0, SEEK_END);
1884         size = ftell(f);
1885         fclose(f);
1886
1887         if (size != 512 * 1024)
1888                 return false;
1889
1890         name = strrchr(path, SLASH);
1891         if (name++ == NULL)
1892                 name = path;
1893         snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
1894         return true;
1895 }
1896
1897 #ifndef VITA
1898 #include <sys/types.h>
1899 #include <dirent.h>
1900
1901 static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
1902 {
1903         DIR *dir;
1904         struct dirent *ent;
1905         bool ret = false;
1906
1907         dir = opendir(dirpath);
1908         if (dir == NULL)
1909                 return false;
1910
1911         while ((ent = readdir(dir))) {
1912                 if (strncasecmp(ent->d_name, "scph", 4) != 0)
1913                         continue;
1914
1915                 snprintf(path, path_size, "%s%c%s", dirpath, SLASH, ent->d_name);
1916                 ret = try_use_bios(path);
1917                 if (ret)
1918                         break;
1919         }
1920         closedir(dir);
1921         return ret;
1922 }
1923 #else
1924 #define find_any_bios(...) false
1925 #endif
1926
1927 static void check_system_specs(void)
1928 {
1929    unsigned level = 6;
1930    environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
1931 }
1932
1933 static int init_memcards(void)
1934 {
1935         int ret = 0;
1936         const char *dir;
1937         struct retro_variable var = { .key="pcsx_rearmed_memcard2", .value=NULL };
1938         static const char CARD2_FILE[] = "pcsx-card2.mcd";
1939
1940         // Memcard2 will be handled and is re-enabled if needed using core
1941         // operations.
1942         // Memcard1 is handled by libretro, doing this will set core to
1943         // skip file io operations for memcard1 like SaveMcd
1944         snprintf(Config.Mcd1, sizeof(Config.Mcd1), "none");
1945         snprintf(Config.Mcd2, sizeof(Config.Mcd2), "none");
1946         init_memcard(Mcd1Data);
1947         // Memcard 2 is managed by the emulator on the filesystem,
1948         // There is no need to initialize Mcd2Data like Mcd1Data.
1949
1950         if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
1951                 SysPrintf("Memcard 2: %s\n", var.value);
1952                 if (memcmp(var.value, "enabled", 7) == 0) {
1953                         if (environ_cb(RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY, &dir) && dir) {
1954                                 if (strlen(dir) + strlen(CARD2_FILE) + 2 > sizeof(Config.Mcd2)) {
1955                                         SysPrintf("Path '%s' is too long. Cannot use memcard 2. Use a shorter path.\n", dir);
1956                                         ret = -1;
1957                                 } else {
1958                                         McdDisable[1] = 0;
1959                                         snprintf(Config.Mcd2, sizeof(Config.Mcd2), "%s/%s", dir, CARD2_FILE);
1960                                         SysPrintf("Use memcard 2: %s\n", Config.Mcd2);
1961                                 }
1962                         } else {
1963                                 SysPrintf("Could not get save directory! Could not create memcard 2.");
1964                                 ret = -1;
1965                         }
1966                 }
1967         }
1968         return ret;
1969 }
1970
1971 static void loadPSXBios(void)
1972 {
1973         const char *dir;
1974         char path[256];
1975         unsigned useHLE = 0;
1976
1977         const char *bios[] = {
1978                 "SCPH101", "scph101",
1979                 "SCPH5501", "scph5501",
1980                 "SCPH7001", "scph7001",
1981                 "SCPH1001", "scph1001"
1982         };
1983
1984         struct retro_variable var = {
1985                 .key = "pcsx_rearmed_bios",
1986                 .value = NULL
1987         };
1988
1989         found_bios = 0;
1990
1991         if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
1992                 if (!strcmp(var.value, "HLE"))
1993                         useHLE = 1;
1994         }
1995
1996         if (!useHLE)
1997         {
1998                 if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
1999                 {
2000                         unsigned i;
2001                         snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s", dir);
2002
2003                         for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++) {
2004                                 snprintf(path, sizeof(path), "%s%c%s.bin", dir, SLASH, bios[i]);
2005                                 found_bios = try_use_bios(path);
2006                                 if (found_bios)
2007                                         break;
2008                         }
2009
2010                         if (!found_bios)
2011                                 found_bios = find_any_bios(dir, path, sizeof(path));
2012                 }
2013                 if (found_bios) {
2014                         SysPrintf("found BIOS file: %s\n", Config.Bios);
2015                 }
2016         }
2017
2018         if (useHLE || !found_bios)
2019         {
2020                 SysPrintf("no BIOS files found.\n");
2021                 struct retro_message msg =
2022                 {
2023                         "No PlayStation BIOS file found - add for better compatibility",
2024                         180
2025                 };
2026                 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, (void*)&msg);
2027         }
2028 }
2029
2030 void retro_init(void)
2031 {
2032         struct retro_rumble_interface rumble;
2033         int ret;
2034
2035 #ifdef __MACH__
2036         // magic sauce to make the dynarec work on iOS
2037         syscall(SYS_ptrace, 0 /*PTRACE_TRACEME*/, 0, 0, 0);
2038 #endif
2039
2040 #ifdef _3DS
2041    psxMapHook = pl_3ds_mmap;
2042    psxUnmapHook = pl_3ds_munmap;
2043 #endif
2044 #ifdef VITA
2045    if(init_vita_mmap()<0)
2046       abort();
2047    psxMapHook = pl_vita_mmap;
2048    psxUnmapHook = pl_vita_munmap;
2049 #endif
2050         ret = emu_core_preinit();
2051 #ifdef _3DS
2052    /* emu_core_preinit sets the cpu to dynarec */
2053    if(!__ctr_svchax)
2054       Config.Cpu = CPU_INTERPRETER;
2055 #endif
2056         ret |= init_memcards();
2057
2058         ret |= emu_core_init();
2059         if (ret != 0) {
2060                 SysPrintf("PCSX init failed.\n");
2061                 exit(1);
2062         }
2063
2064 #ifdef _3DS
2065    vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
2066 #elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && !defined(VITA)
2067         posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
2068 #else
2069         vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
2070 #endif
2071
2072         vout_buf_ptr = vout_buf;
2073
2074         loadPSXBios();
2075
2076         environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
2077         environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
2078
2079         rumble_cb = NULL;
2080         if (environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble))
2081                 rumble_cb = rumble.set_rumble_state;
2082
2083         /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
2084          * we have to do this because cache misses and some IO penalties
2085          * are not emulated. Warning: changing this may break compatibility. */
2086         cycle_multiplier = 175;
2087 #ifdef HAVE_PRE_ARMV7
2088         cycle_multiplier = 200;
2089 #endif
2090         pl_rearmed_cbs.gpu_peops.iUseDither = 1;
2091         spu_config.iUseFixedUpdates = 1;
2092
2093         SaveFuncs.open = save_open;
2094         SaveFuncs.read = save_read;
2095         SaveFuncs.write = save_write;
2096         SaveFuncs.seek = save_seek;
2097         SaveFuncs.close = save_close;
2098
2099         update_variables(false);
2100         check_system_specs();
2101 }
2102
2103 void retro_deinit(void)
2104 {
2105         SysClose();
2106 #ifdef _3DS
2107    linearFree(vout_buf);
2108 #else
2109         free(vout_buf);
2110 #endif
2111         vout_buf = NULL;
2112
2113 #ifdef VITA
2114   deinit_vita_mmap();
2115 #endif
2116 }
2117
2118 #ifdef VITA
2119 #include <psp2/kernel/threadmgr.h>
2120 int usleep (unsigned long us)
2121 {
2122    sceKernelDelayThread(us);
2123 }
2124 #endif