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 #ifdef DRC_DISABLE
  63 int stop;
  64 u32 next_interupt;
  65 u32 event_cycles[PSXINT_COUNT];
  66 int cycle_multiplier;
  67 int new_dynarec_hacks;
  68
  69 void new_dyna_before_save(void) { }
  70 void new_dyna_after_save(void) { }
  71 void new_dyna_freeze(void *f, int i) { }
  72 #endif
  73
  74 //hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
  75 static int rebootemu = 0;
  76
  77 static retro_video_refresh_t video_cb;
  78 static retro_input_poll_t input_poll_cb;
  79 static retro_input_state_t input_state_cb;
  80 static retro_environment_t environ_cb;
  81 static retro_audio_sample_batch_t audio_batch_cb;
  82 static retro_set_rumble_state_t rumble_cb;
  83 static struct retro_log_callback logging;
  84 static retro_log_printf_t log_cb;
  85
  86 static void *vout_buf;
  87 static void * vout_buf_ptr;
  88 static int vout_width, vout_height;
  89 static int vout_doffs_old, vout_fb_dirty;
  90 static bool vout_can_dupe;
  91 static bool duping_enable;
  92 static bool found_bios;
  93 static bool display_internal_fps = false;
  94 static unsigned frame_count = 0;
  95 static bool libretro_supports_bitmasks = false;
  96 static int show_advanced_gpu_peops_settings = -1;
  97 static int show_advanced_gpu_unai_settings  = -1;
  98
  99 static unsigned previous_width = 0;
 100 static unsigned previous_height = 0;
 101
 102 static int plugins_opened;
 103 static int is_pal_mode;
 104
 105 /* memory card data */
 106 extern char Mcd1Data[MCD_SIZE];
 107 extern char Mcd2Data[MCD_SIZE];
 108 extern char McdDisable[2];
 109
 110 /* PCSX ReARMed core calls and stuff */
 111 int in_type[8] =  { PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
 112                   PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
 113                   PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
 114                   PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE };
 115 int in_analog_left[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
 116 int in_analog_right[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
 117 unsigned short in_keystate[PORTS_NUMBER];
 118 int multitap1 = 0;
 119 int multitap2 = 0;
 120 int in_enable_vibration = 1;
 121
 122 // NegCon adjustment parameters
 123 // > The NegCon 'twist' action is somewhat awkward when mapped
 124 //   to a standard analog stick -> user should be able to tweak
 125 //   response/deadzone for comfort
 126 // > When response is linear, 'additional' deadzone (set here)
 127 //   may be left at zero, since this is normally handled via in-game
 128 //   options menus
 129 // > When response is non-linear, deadzone should be set to match the
 130 //   controller being used (otherwise precision may be lost)
 131 // > negcon_linearity:
 132 //   - 1: Response is linear - recommended when using racing wheel
 133 //        peripherals, not recommended for standard gamepads
 134 //   - 2: Response is quadratic - optimal setting for gamepads
 135 //   - 3: Response is cubic - enables precise fine control, but
 136 //        difficult to use...
 137 #define NEGCON_RANGE 0x7FFF
 138 static int negcon_deadzone = 0;
 139 static int negcon_linearity = 1;
 140
 141 static bool axis_bounds_modifier;
 142
 143 /* PSX max resolution is 640x512, but with enhancement it's 1024x512 */
 144 #define VOUT_MAX_WIDTH 1024
 145 #define VOUT_MAX_HEIGHT 512
 146
 147 //Dummy functions
 148 bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info){return false;}
 149 void retro_unload_game(void){}
 150 static int vout_open(void){return 0;}
 151 static void vout_close(void){}
 152 static int snd_init(void){return 0;}
 153 static void snd_finish(void){}
 154 static int snd_busy(void){return 0;}
 155
 156 #define GPU_PEOPS_ODD_EVEN_BIT         (1 << 0)
 157 #define GPU_PEOPS_EXPAND_SCREEN_WIDTH  (1 << 1)
 158 #define GPU_PEOPS_IGNORE_BRIGHTNESS    (1 << 2)
 159 #define GPU_PEOPS_DISABLE_COORD_CHECK  (1 << 3)
 160 #define GPU_PEOPS_LAZY_SCREEN_UPDATE   (1 << 6)
 161 #define GPU_PEOPS_OLD_FRAME_SKIP       (1 << 7)
 162 #define GPU_PEOPS_REPEATED_TRIANGLES   (1 << 8)
 163 #define GPU_PEOPS_QUADS_WITH_TRIANGLES (1 << 9)
 164 #define GPU_PEOPS_FAKE_BUSY_STATE      (1 << 10)
 165
 166 static void init_memcard(char *mcd_data)
 167 {
 168         unsigned off = 0;
 169         unsigned i;
 170
 171         memset(mcd_data, 0, MCD_SIZE);
 172
 173         mcd_data[off++] = 'M';
 174         mcd_data[off++] = 'C';
 175         off += 0x7d;
 176         mcd_data[off++] = 0x0e;
 177
 178         for (i = 0; i < 15; i++) {
 179                 mcd_data[off++] = 0xa0;
 180                 off += 0x07;
 181                 mcd_data[off++] = 0xff;
 182                 mcd_data[off++] = 0xff;
 183                 off += 0x75;
 184                 mcd_data[off++] = 0xa0;
 185         }
 186
 187         for (i = 0; i < 20; i++) {
 188                 mcd_data[off++] = 0xff;
 189                 mcd_data[off++] = 0xff;
 190                 mcd_data[off++] = 0xff;
 191                 mcd_data[off++] = 0xff;
 192                 off += 0x04;
 193                 mcd_data[off++] = 0xff;
 194                 mcd_data[off++] = 0xff;
 195                 off += 0x76;
 196         }
 197 }
 198
 199 static void set_vout_fb()
 200 {
 201   struct retro_framebuffer fb = {0};
 202
 203   fb.width           = vout_width;
 204   fb.height          = vout_height;
 205   fb.access_flags    = RETRO_MEMORY_ACCESS_WRITE;
 206
 207   if (environ_cb(RETRO_ENVIRONMENT_GET_CURRENT_SOFTWARE_FRAMEBUFFER, &fb) && fb.format == RETRO_PIXEL_FORMAT_RGB565)
 208      vout_buf_ptr = (uint16_t*)fb.data;
 209   else
 210      vout_buf_ptr = vout_buf;
 211 }
 212
 213 static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
 214 {
 215   vout_width = w;
 216   vout_height = h;
 217
 218         if (previous_width != vout_width || previous_height != vout_height)
 219         {
 220                 previous_width = vout_width;
 221                 previous_height = vout_height;
 222
 223         struct retro_system_av_info info;
 224         retro_get_system_av_info(&info);
 225         environ_cb(RETRO_ENVIRONMENT_SET_GEOMETRY, &info.geometry);
 226         }
 227
 228   set_vout_fb();
 229 }
 230
 231 #ifndef FRONTEND_SUPPORTS_RGB565
 232 static void convert(void *buf, size_t bytes)
 233 {
 234         unsigned int i, v, *p = buf;
 235
 236         for (i = 0; i < bytes / 4; i++) {
 237                 v = p[i];
 238                 p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0);
 239         }
 240 }
 241 #endif
 242
 243 static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
 244 {
 245         unsigned short *dest = vout_buf_ptr;
 246         const unsigned short *src = vram;
 247         int dstride = vout_width, h1 = h;
 248         int doffs;
 249
 250         if (vram == NULL) {
 251                 // blanking
 252                 memset(vout_buf_ptr, 0, dstride * h * 2);
 253                 goto out;
 254         }
 255
 256         doffs = (vout_height - h) * dstride;
 257         doffs += (dstride - w) / 2 & ~1;
 258         if (doffs != vout_doffs_old) {
 259                 // clear borders
 260                 memset(vout_buf_ptr, 0, dstride * h * 2);
 261                 vout_doffs_old = doffs;
 262         }
 263         dest += doffs;
 264
 265         if (bgr24)
 266         {
 267                 // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here?
 268                 for (; h1-- > 0; dest += dstride, src += stride)
 269                 {
 270                         bgr888_to_rgb565(dest, src, w * 3);
 271                 }
 272         }
 273         else
 274         {
 275                 for (; h1-- > 0; dest += dstride, src += stride)
 276                 {
 277                         bgr555_to_rgb565(dest, src, w * 2);
 278                 }
 279         }
 280
 281 out:
 282 #ifndef FRONTEND_SUPPORTS_RGB565
 283         convert(vout_buf_ptr, vout_width * vout_height * 2);
 284 #endif
 285         vout_fb_dirty = 1;
 286         pl_rearmed_cbs.flip_cnt++;
 287 }
 288
 289 #ifdef _3DS
 290 typedef struct
 291 {
 292    void* buffer;
 293    uint32_t target_map;
 294    size_t size;
 295    enum psxMapTag tag;
 296 }psx_map_t;
 297
 298 psx_map_t custom_psx_maps[] = {
 299    {NULL, 0x13000000, 0x210000, MAP_TAG_RAM},   // 0x80000000
 300    {NULL, 0x12800000, 0x010000, MAP_TAG_OTHER}, // 0x1f800000
 301    {NULL, 0x12c00000, 0x080000, MAP_TAG_OTHER}, // 0x1fc00000
 302    {NULL, 0x11000000, 0x800000, MAP_TAG_LUTS},  // 0x08000000
 303    {NULL, 0x12000000, 0x200000, MAP_TAG_VRAM},  // 0x00000000
 304 };
 305
 306 void* pl_3ds_mmap(unsigned long addr, size_t size, int is_fixed,
 307         enum psxMapTag tag)
 308 {
 309    (void)is_fixed;
 310    (void)addr;
 311
 312    if (__ctr_svchax)
 313    {
 314       psx_map_t* custom_map = custom_psx_maps;
 315
 316       for (; custom_map->size; custom_map++)
 317       {
 318          if ((custom_map->size == size) && (custom_map->tag == tag))
 319          {
 320             uint32_t ptr_aligned, tmp;
 321
 322             custom_map->buffer = malloc(size + 0x1000);
 323             ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
 324
 325             if(svcControlMemory(&tmp, (void*)custom_map->target_map, (void*)ptr_aligned, size, MEMOP_MAP, 0x3) < 0)
 326             {
 327                SysPrintf("could not map memory @0x%08X\n", custom_map->target_map);
 328                exit(1);
 329             }
 330
 331             return (void*)custom_map->target_map;
 332          }
 333       }
 334    }
 335
 336    return malloc(size);
 337 }
 338
 339 void pl_3ds_munmap(void *ptr, size_t size, enum psxMapTag tag)
 340 {
 341    (void)tag;
 342
 343    if (__ctr_svchax)
 344    {
 345       psx_map_t* custom_map = custom_psx_maps;
 346
 347       for (; custom_map->size; custom_map++)
 348       {
 349          if ((custom_map->target_map == (uint32_t)ptr))
 350          {
 351             uint32_t ptr_aligned, tmp;
 352
 353             ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
 354
 355             svcControlMemory(&tmp, (void*)custom_map->target_map, (void*)ptr_aligned, size, MEMOP_UNMAP, 0x3);
 356
 357             free(custom_map->buffer);
 358             custom_map->buffer = NULL;
 359             return;
 360          }
 361       }
 362    }
 363
 364    free(ptr);
 365 }
 366 #endif
 367
 368 #ifdef VITA
 369 typedef struct
 370 {
 371    void* buffer;
 372    uint32_t target_map;
 373    size_t size;
 374    enum psxMapTag tag;
 375 }psx_map_t;
 376
 377 void* addr = NULL;
 378
 379 psx_map_t custom_psx_maps[] = {
 380    {NULL, NULL, 0x210000, MAP_TAG_RAM},   // 0x80000000
 381    {NULL, NULL, 0x010000, MAP_TAG_OTHER}, // 0x1f800000
 382    {NULL, NULL, 0x080000, MAP_TAG_OTHER}, // 0x1fc00000
 383    {NULL, NULL, 0x800000, MAP_TAG_LUTS},  // 0x08000000
 384    {NULL, NULL, 0x200000, MAP_TAG_VRAM},  // 0x00000000
 385 };
 386
 387 int init_vita_mmap(){
 388   int n;
 389   void * tmpaddr;
 390   addr = malloc(64*1024*1024);
 391   if(addr==NULL)
 392     return -1;
 393   tmpaddr = ((u32)(addr+0xFFFFFF))&~0xFFFFFF;
 394   custom_psx_maps[0].buffer=tmpaddr+0x2000000;
 395   custom_psx_maps[1].buffer=tmpaddr+0x1800000;
 396   custom_psx_maps[2].buffer=tmpaddr+0x1c00000;
 397   custom_psx_maps[3].buffer=tmpaddr+0x0000000;
 398   custom_psx_maps[4].buffer=tmpaddr+0x1000000;
 399 #if 0
 400   for(n = 0; n < 5; n++){
 401     sceClibPrintf("addr reserved %x\n",custom_psx_maps[n].buffer);
 402   }
 403 #endif
 404   return 0;
 405 }
 406
 407 void deinit_vita_mmap(){
 408   free(addr);
 409 }
 410
 411 void* pl_vita_mmap(unsigned long addr, size_t size, int is_fixed,
 412         enum psxMapTag tag)
 413 {
 414    (void)is_fixed;
 415    (void)addr;
 416
 417
 418     psx_map_t* custom_map = custom_psx_maps;
 419
 420     for (; custom_map->size; custom_map++)
 421     {
 422        if ((custom_map->size == size) && (custom_map->tag == tag))
 423        {
 424           return custom_map->buffer;
 425        }
 426     }
 427
 428
 429    return malloc(size);
 430 }
 431
 432 void pl_vita_munmap(void *ptr, size_t size, enum psxMapTag tag)
 433 {
 434    (void)tag;
 435
 436    psx_map_t* custom_map = custom_psx_maps;
 437
 438   for (; custom_map->size; custom_map++)
 439   {
 440      if ((custom_map->buffer == ptr))
 441      {
 442         return;
 443      }
 444   }
 445
 446    free(ptr);
 447 }
 448 #endif
 449
 450 static void *pl_mmap(unsigned int size)
 451 {
 452         return psxMap(0, size, 0, MAP_TAG_VRAM);
 453 }
 454
 455 static void pl_munmap(void *ptr, unsigned int size)
 456 {
 457         psxUnmap(ptr, size, MAP_TAG_VRAM);
 458 }
 459
 460 struct rearmed_cbs pl_rearmed_cbs = {
 461         .pl_vout_open = vout_open,
 462         .pl_vout_set_mode = vout_set_mode,
 463         .pl_vout_flip = vout_flip,
 464         .pl_vout_close = vout_close,
 465         .mmap = pl_mmap,
 466         .munmap = pl_munmap,
 467         /* from psxcounters */
 468         .gpu_hcnt = &hSyncCount,
 469         .gpu_frame_count = &frame_counter,
 470 };
 471
 472 void pl_frame_limit(void)
 473 {
 474         /* called once per frame, make psxCpu->Execute() above return */
 475         stop = 1;
 476 }
 477
 478 void pl_timing_prepare(int is_pal)
 479 {
 480         is_pal_mode = is_pal;
 481 }
 482
 483 void plat_trigger_vibrate(int pad, int low, int high)
 484 {
 485         if (!rumble_cb)
 486                 return;
 487
 488         if (in_enable_vibration)
 489         {
 490                 rumble_cb(pad, RETRO_RUMBLE_STRONG, high << 8);
 491                 rumble_cb(pad, RETRO_RUMBLE_WEAK, low ? 0xffff : 0x0);
 492     }
 493 }
 494
 495 void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in)
 496 {
 497 }
 498
 499 /* sound calls */
 500 static void snd_feed(void *buf, int bytes)
 501 {
 502         if (audio_batch_cb != NULL)
 503                 audio_batch_cb(buf, bytes / 4);
 504 }
 505
 506 void out_register_libretro(struct out_driver *drv)
 507 {
 508         drv->name = "libretro";
 509         drv->init = snd_init;
 510         drv->finish = snd_finish;
 511         drv->busy = snd_busy;
 512         drv->feed = snd_feed;
 513 }
 514
 515 /* libretro */
 516 void retro_set_environment(retro_environment_t cb)
 517 {
 518    environ_cb = cb;
 519
 520    if (cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &logging))
 521       log_cb = logging.log;
 522
 523    libretro_set_core_options(environ_cb);
 524 }
 525
 526 void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
 527 void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
 528 void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
 529 void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
 530 void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
 531
 532 unsigned retro_api_version(void)
 533 {
 534         return RETRO_API_VERSION;
 535 }
 536
 537 static int controller_port_variable(unsigned port, struct retro_variable *var)
 538 {
 539         if (port >= PORTS_NUMBER)
 540                 return 0;
 541
 542         if (!environ_cb)
 543                 return 0;
 544
 545         var->value = NULL;
 546         switch (port) {
 547         case 0:
 548                 var->key = "pcsx_rearmed_pad1type";
 549                 break;
 550         case 1:
 551                 var->key = "pcsx_rearmed_pad2type";
 552                 break;
 553         case 2:
 554                 var->key = "pcsx_rearmed_pad3type";
 555                 break;
 556         case 3:
 557                 var->key = "pcsx_rearmed_pad4type";
 558                 break;
 559         case 4:
 560                 var->key = "pcsx_rearmed_pad5type";
 561                 break;
 562         case 5:
 563                 var->key = "pcsx_rearmed_pad6type";
 564                 break;
 565         case 6:
 566                 var->key = "pcsx_rearmed_pad7type";
 567                 break;
 568         case 7:
 569                 var->key = "pcsx_rearmed_pad8type";
 570                 break;
 571         }
 572
 573         return environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, var) || var->value;
 574 }
 575
 576 static void update_controller_port_variable(unsigned port)
 577 {
 578         if (port >= PORTS_NUMBER)
 579                 return;
 580
 581         struct retro_variable var;
 582
 583         if (controller_port_variable(port, &var))
 584         {
 585                 if (strcmp(var.value, "standard") == 0)
 586                         in_type[port] = PSE_PAD_TYPE_STANDARD;
 587                 else if (strcmp(var.value, "analog") == 0)
 588                         in_type[port] = PSE_PAD_TYPE_ANALOGJOY;
 589                 else if (strcmp(var.value, "dualshock") == 0)
 590                         in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
 591                 else if (strcmp(var.value, "negcon") == 0)
 592                         in_type[port] = PSE_PAD_TYPE_NEGCON;
 593                 else if (strcmp(var.value, "guncon") == 0)
 594                         in_type[port] = PSE_PAD_TYPE_GUNCON;
 595                 else if (strcmp(var.value, "none") == 0)
 596                         in_type[port] = PSE_PAD_TYPE_NONE;
 597                 // else 'default' case, do nothing
 598         }
 599 }
 600
 601 static void update_controller_port_device(unsigned port, unsigned device)
 602 {
 603         if (port >= PORTS_NUMBER)
 604                 return;
 605
 606         struct retro_variable var;
 607
 608         if (!controller_port_variable(port, &var))
 609                 return;
 610
 611         if (strcmp(var.value, "default") != 0)
 612                 return;
 613
 614         switch (device)
 615         {
 616         case RETRO_DEVICE_JOYPAD:
 617                 in_type[port] = PSE_PAD_TYPE_STANDARD;
 618                 break;
 619         case RETRO_DEVICE_ANALOG:
 620                 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
 621                 break;
 622         case RETRO_DEVICE_MOUSE:
 623                 in_type[port] = PSE_PAD_TYPE_MOUSE;
 624                 break;
 625         case RETRO_DEVICE_LIGHTGUN:
 626                 in_type[port] = PSE_PAD_TYPE_GUN;
 627                 break;
 628         case RETRO_DEVICE_NONE:
 629         default:
 630                 in_type[port] = PSE_PAD_TYPE_NONE;
 631         }
 632 }
 633
 634 static void update_multitap()
 635 {
 636         struct retro_variable var;
 637         int auto_case, port;
 638
 639         var.value = NULL;
 640         var.key = "pcsx_rearmed_multitap1";
 641         auto_case = 0;
 642         if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value))
 643         {
 644                 if (strcmp(var.value, "enabled") == 0)
 645                         multitap1 = 1;
 646                 else if (strcmp(var.value, "disabled") == 0)
 647                         multitap1 = 0;
 648                 else // 'auto' case
 649                         auto_case = 1;
 650         }
 651         else
 652                 auto_case = 1;
 653
 654         if (auto_case)
 655         {
 656                 // If a gamepad is plugged after port 2, we need a first multitap.
 657                 multitap1 = 0;
 658                 for (port = 2; port < PORTS_NUMBER; port++)
 659                         multitap1 |= in_type[port] != PSE_PAD_TYPE_NONE;
 660         }
 661
 662         var.value = NULL;
 663         var.key = "pcsx_rearmed_multitap2";
 664         auto_case = 0;
 665         if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value))
 666         {
 667                 if (strcmp(var.value, "enabled") == 0)
 668                         multitap2 = 1;
 669                 else if (strcmp(var.value, "disabled") == 0)
 670                         multitap2 = 0;
 671                 else // 'auto' case
 672                         auto_case = 1;
 673         }
 674         else
 675                 auto_case = 1;
 676
 677         if (auto_case)
 678         {
 679                 // If a gamepad is plugged after port 4, we need a second multitap.
 680                 multitap2 = 0;
 681                 for (port = 4; port < PORTS_NUMBER; port++)
 682                         multitap2 |= in_type[port] != PSE_PAD_TYPE_NONE;
 683         }
 684 }
 685
 686 void retro_set_controller_port_device(unsigned port, unsigned device)
 687 {
 688         SysPrintf("port %u  device %u",port,device);
 689
 690         if (port >= PORTS_NUMBER)
 691                 return;
 692
 693         update_controller_port_device(port, device);
 694         update_multitap();
 695 }
 696
 697 void retro_get_system_info(struct retro_system_info *info)
 698 {
 699         memset(info, 0, sizeof(*info));
 700         info->library_name = "PCSX-ReARMed";
 701 #ifndef GIT_VERSION
 702 #define GIT_VERSION ""
 703 #endif
 704         info->library_version = "r22" GIT_VERSION;
 705         info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u|chd";
 706         info->need_fullpath = true;
 707 }
 708
 709 void retro_get_system_av_info(struct retro_system_av_info *info)
 710 {
 711
 712         unsigned geom_height = vout_height > 0 ? vout_height : 240;
 713         unsigned geom_width = vout_width > 0 ? vout_width : 320;
 714
 715         memset(info, 0, sizeof(*info));
 716         info->timing.fps            = is_pal_mode ? 50 : 60;
 717         info->timing.sample_rate    = 44100;
 718         info->geometry.base_width   = geom_width;
 719         info->geometry.base_height  = geom_height;
 720         info->geometry.max_width    = VOUT_MAX_WIDTH;
 721         info->geometry.max_height   = VOUT_MAX_HEIGHT;
 722         info->geometry.aspect_ratio = 4.0 / 3.0;
 723 }
 724
 725 /* savestates */
 726 size_t retro_serialize_size(void)
 727 {
 728         // it's currently 4380651-4397047 bytes,
 729         // but have some reserved for future
 730         return 0x440000;
 731 }
 732
 733 struct save_fp {
 734         char *buf;
 735         size_t pos;
 736         int is_write;
 737 };
 738
 739 static void *save_open(const char *name, const char *mode)
 740 {
 741         struct save_fp *fp;
 742
 743         if (name == NULL || mode == NULL)
 744                 return NULL;
 745
 746         fp = malloc(sizeof(*fp));
 747         if (fp == NULL)
 748                 return NULL;
 749
 750         fp->buf = (char *)name;
 751         fp->pos = 0;
 752         fp->is_write = (mode[0] == 'w' || mode[1] == 'w');
 753
 754         return fp;
 755 }
 756
 757 static int save_read(void *file, void *buf, u32 len)
 758 {
 759         struct save_fp *fp = file;
 760         if (fp == NULL || buf == NULL)
 761                 return -1;
 762
 763         memcpy(buf, fp->buf + fp->pos, len);
 764         fp->pos += len;
 765         return len;
 766 }
 767
 768 static int save_write(void *file, const void *buf, u32 len)
 769 {
 770         struct save_fp *fp = file;
 771         if (fp == NULL || buf == NULL)
 772                 return -1;
 773
 774         memcpy(fp->buf + fp->pos, buf, len);
 775         fp->pos += len;
 776         return len;
 777 }
 778
 779 static long save_seek(void *file, long offs, int whence)
 780 {
 781         struct save_fp *fp = file;
 782         if (fp == NULL)
 783                 return -1;
 784
 785         switch (whence) {
 786         case SEEK_CUR:
 787                 fp->pos += offs;
 788                 return fp->pos;
 789         case SEEK_SET:
 790                 fp->pos = offs;
 791                 return fp->pos;
 792         default:
 793                 return -1;
 794         }
 795 }
 796
 797 static void save_close(void *file)
 798 {
 799         struct save_fp *fp = file;
 800         size_t r_size = retro_serialize_size();
 801         if (fp == NULL)
 802                 return;
 803
 804         if (fp->pos > r_size)
 805                 SysPrintf("ERROR: save buffer overflow detected\n");
 806         else if (fp->is_write && fp->pos < r_size)
 807                 // make sure we don't save trash in leftover space
 808                 memset(fp->buf + fp->pos, 0, r_size - fp->pos);
 809         free(fp);
 810 }
 811
 812 bool retro_serialize(void *data, size_t size)
 813 {
 814         int ret = SaveState(data);
 815         return ret == 0 ? true : false;
 816 }
 817
 818 bool retro_unserialize(const void *data, size_t size)
 819 {
 820         int ret = LoadState(data);
 821         return ret == 0 ? true : false;
 822 }
 823
 824 /* cheats */
 825 void retro_cheat_reset(void)
 826 {
 827         ClearAllCheats();
 828 }
 829
 830 void retro_cheat_set(unsigned index, bool enabled, const char *code)
 831 {
 832         char buf[256];
 833         int ret;
 834
 835         // cheat funcs are destructive, need a copy..
 836         strncpy(buf, code, sizeof(buf));
 837         buf[sizeof(buf) - 1] = 0;
 838
 839         //Prepare buffered cheat for PCSX's AddCheat fucntion.
 840         int cursor=0;
 841         int nonhexdec=0;
 842         while (buf[cursor]){
 843                 if (!(ISHEXDEC)){
 844                         if (++nonhexdec%2){
 845                                 buf[cursor]=' ';
 846                         } else {
 847                                 buf[cursor]='\n';
 848                         }
 849                 }
 850                 cursor++;
 851         }
 852
 853
 854         if (index < NumCheats)
 855                 ret = EditCheat(index, "", buf);
 856         else
 857                 ret = AddCheat("", buf);
 858
 859         if (ret != 0)
 860                 SysPrintf("Failed to set cheat %#u\n", index);
 861         else if (index < NumCheats)
 862                 Cheats[index].Enabled = enabled;
 863 }
 864
 865 // just in case, maybe a win-rt port in the future?
 866 #ifdef _WIN32
 867 #define SLASH '\\'
 868 #else
 869 #define SLASH '/'
 870 #endif
 871
 872 #ifndef PATH_MAX
 873 #define PATH_MAX  4096
 874 #endif
 875
 876 /* multidisk support */
 877 static unsigned int disk_initial_index;
 878 static char disk_initial_path[PATH_MAX];
 879 static bool disk_ejected;
 880 static unsigned int disk_current_index;
 881 static unsigned int disk_count;
 882 static struct disks_state {
 883         char *fname;
 884         char *flabel;
 885         int internal_index; // for multidisk eboots
 886 } disks[8];
 887
 888 static void get_disk_label(char *disk_label, const char *disk_path, size_t len)
 889 {
 890         const char *base = NULL;
 891
 892         if (!disk_path || (*disk_path == '\0'))
 893                 return;
 894
 895         base = strrchr(disk_path, SLASH);
 896         if (!base)
 897                 base = disk_path;
 898
 899         if (*base == SLASH)
 900                 base++;
 901
 902         strncpy(disk_label, base, len - 1);
 903         disk_label[len - 1] = '\0';
 904
 905         char *ext = strrchr(disk_label, '.');
 906         if (ext)
 907                 *ext = '\0';
 908 }
 909
 910 static void disk_init(void)
 911 {
 912         size_t i;
 913
 914         disk_ejected       = false;
 915         disk_current_index = 0;
 916         disk_count         = 0;
 917
 918         for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++) {
 919                 if (disks[i].fname != NULL) {
 920                         free(disks[i].fname);
 921                         disks[i].fname = NULL;
 922                 }
 923                 if (disks[i].flabel != NULL) {
 924                         free(disks[i].flabel);
 925                         disks[i].flabel = NULL;
 926                 }
 927                 disks[i].internal_index = 0;
 928         }
 929 }
 930
 931 static bool disk_set_eject_state(bool ejected)
 932 {
 933         // weird PCSX API..
 934         SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2));
 935         LidInterrupt();
 936
 937         disk_ejected = ejected;
 938         return true;
 939 }
 940
 941 static bool disk_get_eject_state(void)
 942 {
 943         /* can't be controlled by emulated software */
 944         return disk_ejected;
 945 }
 946
 947 static unsigned int disk_get_image_index(void)
 948 {
 949         return disk_current_index;
 950 }
 951
 952 static bool disk_set_image_index(unsigned int index)
 953 {
 954         if (index >= sizeof(disks) / sizeof(disks[0]))
 955                 return false;
 956
 957         CdromId[0] = '\0';
 958         CdromLabel[0] = '\0';
 959
 960         if (disks[index].fname == NULL) {
 961                 SysPrintf("missing disk #%u\n", index);
 962                 CDR_shutdown();
 963
 964                 // RetroArch specifies "no disk" with index == count,
 965                 // so don't fail here..
 966                 disk_current_index = index;
 967                 return true;
 968         }
 969
 970         SysPrintf("switching to disk %u: \"%s\" #%d\n", index,
 971                 disks[index].fname, disks[index].internal_index);
 972
 973         cdrIsoMultidiskSelect = disks[index].internal_index;
 974         set_cd_image(disks[index].fname);
 975         if (ReloadCdromPlugin() < 0) {
 976                 SysPrintf("failed to load cdr plugin\n");
 977                 return false;
 978         }
 979         if (CDR_open() < 0) {
 980                 SysPrintf("failed to open cdr plugin\n");
 981                 return false;
 982         }
 983
 984         if (!disk_ejected) {
 985                 SetCdOpenCaseTime(time(NULL) + 2);
 986                 LidInterrupt();
 987         }
 988
 989         disk_current_index = index;
 990         return true;
 991 }
 992
 993 static unsigned int disk_get_num_images(void)
 994 {
 995         return disk_count;
 996 }
 997
 998 static bool disk_replace_image_index(unsigned index,
 999         const struct retro_game_info *info)
1000 {
1001         char *old_fname  = NULL;
1002         char *old_flabel = NULL;
1003         bool ret         = true;
1004
1005         if (index >= sizeof(disks) / sizeof(disks[0]))
1006                 return false;
1007
1008         old_fname  = disks[index].fname;
1009         old_flabel = disks[index].flabel;
1010
1011         disks[index].fname          = NULL;
1012         disks[index].flabel         = NULL;
1013         disks[index].internal_index = 0;
1014
1015         if (info != NULL) {
1016                 char disk_label[PATH_MAX];
1017                 disk_label[0] = '\0';
1018
1019                 disks[index].fname = strdup(info->path);
1020
1021                 get_disk_label(disk_label, info->path, PATH_MAX);
1022                 disks[index].flabel = strdup(disk_label);
1023
1024                 if (index == disk_current_index)
1025                         ret = disk_set_image_index(index);
1026         }
1027
1028         if (old_fname != NULL)
1029                 free(old_fname);
1030
1031         if (old_flabel != NULL)
1032                 free(old_flabel);
1033
1034         return ret;
1035 }
1036
1037 static bool disk_add_image_index(void)
1038 {
1039         if (disk_count >= 8)
1040                 return false;
1041
1042         disk_count++;
1043         return true;
1044 }
1045
1046 static bool disk_set_initial_image(unsigned index, const char *path)
1047 {
1048         if (index >= sizeof(disks) / sizeof(disks[0]))
1049                 return false;
1050
1051         if (!path || (*path == '\0'))
1052                 return false;
1053
1054         disk_initial_index = index;
1055
1056         strncpy(disk_initial_path, path, sizeof(disk_initial_path) - 1);
1057         disk_initial_path[sizeof(disk_initial_path) - 1] = '\0';
1058
1059         return true;
1060 }
1061
1062 static bool disk_get_image_path(unsigned index, char *path, size_t len)
1063 {
1064         const char *fname = NULL;
1065
1066         if (len < 1)
1067                 return false;
1068
1069         if (index >= sizeof(disks) / sizeof(disks[0]))
1070                 return false;
1071
1072         fname = disks[index].fname;
1073
1074         if (!fname || (*fname == '\0'))
1075                 return false;
1076
1077         strncpy(path, fname, len - 1);
1078         path[len - 1] = '\0';
1079
1080         return true;
1081 }
1082
1083 static bool disk_get_image_label(unsigned index, char *label, size_t len)
1084 {
1085         const char *flabel = NULL;
1086
1087         if (len < 1)
1088                 return false;
1089
1090         if (index >= sizeof(disks) / sizeof(disks[0]))
1091                 return false;
1092
1093         flabel = disks[index].flabel;
1094
1095         if (!flabel || (*flabel == '\0'))
1096                 return false;
1097
1098         strncpy(label, flabel, len - 1);
1099         label[len - 1] = '\0';
1100
1101         return true;
1102 }
1103
1104 static struct retro_disk_control_callback disk_control = {
1105         .set_eject_state = disk_set_eject_state,
1106         .get_eject_state = disk_get_eject_state,
1107         .get_image_index = disk_get_image_index,
1108         .set_image_index = disk_set_image_index,
1109         .get_num_images = disk_get_num_images,
1110         .replace_image_index = disk_replace_image_index,
1111         .add_image_index = disk_add_image_index,
1112 };
1113
1114 static struct retro_disk_control_ext_callback disk_control_ext = {
1115         .set_eject_state = disk_set_eject_state,
1116         .get_eject_state = disk_get_eject_state,
1117         .get_image_index = disk_get_image_index,
1118         .set_image_index = disk_set_image_index,
1119         .get_num_images = disk_get_num_images,
1120         .replace_image_index = disk_replace_image_index,
1121         .add_image_index = disk_add_image_index,
1122         .set_initial_image = disk_set_initial_image,
1123         .get_image_path = disk_get_image_path,
1124         .get_image_label = disk_get_image_label,
1125 };
1126
1127 static char base_dir[1024];
1128
1129 static bool read_m3u(const char *file)
1130 {
1131         char line[1024];
1132         char name[PATH_MAX];
1133         FILE *f = fopen(file, "r");
1134         if (!f)
1135                 return false;
1136
1137         while (fgets(line, sizeof(line), f) && disk_count < sizeof(disks) / sizeof(disks[0])) {
1138                 if (line[0] == '#')
1139                         continue;
1140                 char *carrige_return = strchr(line, '\r');
1141                 if (carrige_return)
1142                         *carrige_return = '\0';
1143                 char *newline = strchr(line, '\n');
1144                 if (newline)
1145                         *newline = '\0';
1146
1147                 if (line[0] != '\0')
1148                 {
1149                         char disk_label[PATH_MAX];
1150                         disk_label[0] = '\0';
1151
1152                         snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
1153                         disks[disk_count].fname = strdup(name);
1154
1155                         get_disk_label(disk_label, name, PATH_MAX);
1156                         disks[disk_count].flabel = strdup(disk_label);
1157
1158                         disk_count++;
1159                 }
1160         }
1161
1162         fclose(f);
1163         return (disk_count != 0);
1164 }
1165
1166 static void extract_directory(char *buf, const char *path, size_t size)
1167 {
1168    char *base;
1169    strncpy(buf, path, size - 1);
1170    buf[size - 1] = '\0';
1171
1172    base = strrchr(buf, '/');
1173    if (!base)
1174       base = strrchr(buf, '\\');
1175
1176    if (base)
1177       *base = '\0';
1178    else
1179    {
1180       buf[0] = '.';
1181       buf[1] = '\0';
1182    }
1183 }
1184
1185 #if defined(__QNX__) || defined(_WIN32)
1186 /* Blackberry QNX doesn't have strcasestr */
1187
1188 /*
1189  * Find the first occurrence of find in s, ignore case.
1190  */
1191 char *
1192 strcasestr(const char *s, const char*find)
1193 {
1194         char c, sc;
1195         size_t len;
1196
1197         if ((c = *find++) != 0) {
1198                 c = tolower((unsigned char)c);
1199                 len = strlen(find);
1200                 do {
1201                         do {
1202                                 if ((sc = *s++) == 0)
1203                                         return (NULL);
1204                         } while ((char)tolower((unsigned char)sc) != c);
1205                 } while (strncasecmp(s, find, len) != 0);
1206                 s--;
1207         }
1208         return ((char *)s);
1209 }
1210 #endif
1211
1212 static void set_retro_memmap(void)
1213 {
1214         struct retro_memory_map retromap = { 0 };
1215         struct retro_memory_descriptor mmap =
1216         {
1217                 0, psxM, 0, 0, 0, 0, 0x200000
1218         };
1219
1220         retromap.descriptors = &mmap;
1221         retromap.num_descriptors = 1;
1222
1223     environ_cb(RETRO_ENVIRONMENT_SET_MEMORY_MAPS, &retromap);
1224 }
1225
1226 bool retro_load_game(const struct retro_game_info *info)
1227 {
1228         size_t i;
1229         unsigned int cd_index = 0;
1230         bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
1231
1232    struct retro_input_descriptor desc[] = {
1233       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT,  "D-Pad Left" },
1234       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP,    "D-Pad Up" },
1235       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN,  "D-Pad Down" },
1236       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1237       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B,     "Cross" },
1238       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A,     "Circle" },
1239       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X,     "Triangle" },
1240       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y,     "Square" },
1241       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L,     "L1" },
1242       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2,    "L2" },
1243       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3,    "L3" },
1244       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R,     "R1" },
1245       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2,    "R2" },
1246       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3,    "R3" },
1247       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,    "Select" },
1248       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START,    "Start" },
1249       { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1250       { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1251       { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1252       { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1253
1254
1255       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT,  "D-Pad Left" },
1256       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP,    "D-Pad Up" },
1257       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN,  "D-Pad Down" },
1258       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1259       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B,     "Cross" },
1260       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A,     "Circle" },
1261       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X,     "Triangle" },
1262       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y,     "Square" },
1263       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L,     "L1" },
1264       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2,    "L2" },
1265       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3,    "L3" },
1266       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R,     "R1" },
1267       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2,    "R2" },
1268       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3,    "R3" },
1269       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,    "Select" },
1270       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START,    "Start" },
1271       { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1272       { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1273       { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1274       { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1275
1276       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT,  "D-Pad Left" },
1277       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP,    "D-Pad Up" },
1278       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN,  "D-Pad Down" },
1279       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1280       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B,     "Cross" },
1281       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A,     "Circle" },
1282       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X,     "Triangle" },
1283       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y,     "Square" },
1284       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L,     "L1" },
1285       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2,    "L2" },
1286       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3,    "L3" },
1287       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R,     "R1" },
1288       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2,    "R2" },
1289       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3,    "R3" },
1290       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,    "Select" },
1291       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START,    "Start" },
1292       { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1293       { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1294       { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1295       { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1296
1297       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT,  "D-Pad Left" },
1298       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP,    "D-Pad Up" },
1299       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN,  "D-Pad Down" },
1300       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1301       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B,     "Cross" },
1302       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A,     "Circle" },
1303       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X,     "Triangle" },
1304       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y,     "Square" },
1305       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L,     "L1" },
1306       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2,    "L2" },
1307       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3,    "L3" },
1308       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R,     "R1" },
1309       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2,    "R2" },
1310       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3,    "R3" },
1311       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,    "Select" },
1312       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START,    "Start" },
1313       { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1314       { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1315       { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1316       { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1317
1318       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT,  "D-Pad Left" },
1319       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP,    "D-Pad Up" },
1320       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN,  "D-Pad Down" },
1321       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1322       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B,     "Cross" },
1323       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A,     "Circle" },
1324       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X,     "Triangle" },
1325       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y,     "Square" },
1326       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L,     "L1" },
1327       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2,    "L2" },
1328       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3,    "L3" },
1329       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R,     "R1" },
1330       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2,    "R2" },
1331       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3,    "R3" },
1332       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,    "Select" },
1333       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START,    "Start" },
1334       { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1335       { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1336       { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1337       { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1338
1339       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT,  "D-Pad Left" },
1340       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP,    "D-Pad Up" },
1341       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN,  "D-Pad Down" },
1342       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1343       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B,     "Cross" },
1344       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A,     "Circle" },
1345       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X,     "Triangle" },
1346       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y,     "Square" },
1347       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L,     "L1" },
1348       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2,    "L2" },
1349       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3,    "L3" },
1350       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R,     "R1" },
1351       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2,    "R2" },
1352       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3,    "R3" },
1353       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,    "Select" },
1354       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START,    "Start" },
1355       { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1356       { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1357       { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1358       { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1359
1360       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT,  "D-Pad Left" },
1361       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP,    "D-Pad Up" },
1362       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN,  "D-Pad Down" },
1363       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1364       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B,     "Cross" },
1365       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A,     "Circle" },
1366       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X,     "Triangle" },
1367       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y,     "Square" },
1368       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L,     "L1" },
1369       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2,    "L2" },
1370       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3,    "L3" },
1371       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R,     "R1" },
1372       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2,    "R2" },
1373       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3,    "R3" },
1374       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,    "Select" },
1375       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START,    "Start" },
1376       { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1377       { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1378       { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1379       { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1380
1381       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT,  "D-Pad Left" },
1382       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP,    "D-Pad Up" },
1383       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN,  "D-Pad Down" },
1384       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1385       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B,     "Cross" },
1386       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A,     "Circle" },
1387       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X,     "Triangle" },
1388       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y,     "Square" },
1389       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L,     "L1" },
1390       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2,    "L2" },
1391       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3,    "L3" },
1392       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R,     "R1" },
1393       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2,    "R2" },
1394       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3,    "R3" },
1395       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,    "Select" },
1396       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START,    "Start" },
1397       { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1398       { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1399       { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1400       { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1401
1402       { 0 },
1403    };
1404
1405          frame_count = 0;
1406
1407    environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
1408
1409 #ifdef FRONTEND_SUPPORTS_RGB565
1410         enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
1411         if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) {
1412                 SysPrintf("RGB565 supported, using it\n");
1413         }
1414 #endif
1415
1416         if (info == NULL || info->path == NULL) {
1417                 SysPrintf("info->path required\n");
1418                 return false;
1419         }
1420
1421         if (plugins_opened) {
1422                 ClosePlugins();
1423                 plugins_opened = 0;
1424         }
1425
1426         disk_init();
1427
1428         extract_directory(base_dir, info->path, sizeof(base_dir));
1429
1430         if (is_m3u) {
1431                 if (!read_m3u(info->path)) {
1432                         log_cb(RETRO_LOG_INFO, "failed to read m3u file\n");
1433                         return false;
1434                 }
1435         } else {
1436                 char disk_label[PATH_MAX];
1437                 disk_label[0] = '\0';
1438
1439                 disk_count = 1;
1440                 disks[0].fname = strdup(info->path);
1441
1442                 get_disk_label(disk_label, info->path, PATH_MAX);
1443                 disks[0].flabel = strdup(disk_label);
1444         }
1445
1446         /* If this is an M3U file, attempt to set the
1447          * initial disk image */
1448         if (is_m3u &&
1449                  (disk_initial_index > 0) &&
1450                  (disk_initial_index < disk_count))     {
1451                 const char *fname = disks[disk_initial_index].fname;
1452
1453                 if (fname && (*fname != '\0'))
1454                         if (strcmp(disk_initial_path, fname) == 0)
1455                                 cd_index = disk_initial_index;
1456         }
1457
1458         set_cd_image(disks[cd_index].fname);
1459         disk_current_index = cd_index;
1460
1461         /* have to reload after set_cd_image for correct cdr plugin */
1462         if (LoadPlugins() == -1) {
1463                 log_cb(RETRO_LOG_INFO, "failed to load plugins\n");
1464                 return false;
1465         }
1466
1467         plugins_opened = 1;
1468         NetOpened = 0;
1469
1470         if (OpenPlugins() == -1) {
1471                 log_cb(RETRO_LOG_INFO, "failed to open plugins\n");
1472                 return false;
1473         }
1474
1475         /* Handle multi-disk images (i.e. PBP)
1476          * > Cannot do this until after OpenPlugins() is
1477          *   called (since this sets the value of
1478          *   cdrIsoMultidiskCount) */
1479         if (!is_m3u && (cdrIsoMultidiskCount > 1)) {
1480                 disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8;
1481
1482                 /* Small annoyance: We need to change the label
1483                  * of disk 0, so have to clear existing entries */
1484                 if (disks[0].fname != NULL)
1485                         free(disks[0].fname);
1486                 disks[0].fname = NULL;
1487
1488                 if (disks[0].flabel != NULL)
1489                         free(disks[0].flabel);
1490                 disks[0].flabel = NULL;
1491
1492                 for (i = 0; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++) {
1493                         char disk_name[PATH_MAX];
1494                         char disk_label[PATH_MAX];
1495                         disk_name[0]  = '\0';
1496                         disk_label[0] = '\0';
1497
1498                         disks[i].fname = strdup(info->path);
1499
1500                         get_disk_label(disk_name, info->path, PATH_MAX);
1501                         snprintf(disk_label, sizeof(disk_label), "%s #%u", disk_name, (unsigned)i + 1);
1502                         disks[i].flabel = strdup(disk_label);
1503
1504                         disks[i].internal_index = i;
1505                 }
1506
1507                 /* This is not an M3U file, so initial disk
1508                  * image has not yet been set - attempt to
1509                  * do so now */
1510                 if ((disk_initial_index > 0) &&
1511                          (disk_initial_index < disk_count))     {
1512                         const char *fname = disks[disk_initial_index].fname;
1513
1514                         if (fname && (*fname != '\0'))
1515                                 if (strcmp(disk_initial_path, fname) == 0)
1516                                         cd_index = disk_initial_index;
1517                 }
1518
1519                 if (cd_index > 0) {
1520                         CdromId[0]    = '\0';
1521                         CdromLabel[0] = '\0';
1522
1523                         cdrIsoMultidiskSelect = disks[cd_index].internal_index;
1524                         disk_current_index    = cd_index;
1525                         set_cd_image(disks[cd_index].fname);
1526
1527                         if (ReloadCdromPlugin() < 0) {
1528                                 log_cb(RETRO_LOG_INFO, "failed to reload cdr plugins\n");
1529                                 return false;
1530                         }
1531                         if (CDR_open() < 0) {
1532                                 log_cb(RETRO_LOG_INFO, "failed to open cdr plugin\n");
1533                                 return false;
1534                         }
1535                 }
1536         }
1537
1538         plugin_call_rearmed_cbs();
1539         dfinput_activate();
1540
1541         if (CheckCdrom() == -1) {
1542         log_cb(RETRO_LOG_INFO, "unsupported/invalid CD image: %s\n", info->path);
1543                 return false;
1544         }
1545
1546         SysReset();
1547
1548         if (LoadCdrom() == -1) {
1549                 log_cb(RETRO_LOG_INFO, "could not load CD\n");
1550                 return false;
1551         }
1552         emu_on_new_cd(0);
1553
1554         set_retro_memmap();
1555
1556         return true;
1557 }
1558
1559 unsigned retro_get_region(void)
1560 {
1561         return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
1562 }
1563
1564 void *retro_get_memory_data(unsigned id)
1565 {
1566         if (id == RETRO_MEMORY_SAVE_RAM)
1567                 return Mcd1Data;
1568         else if (id == RETRO_MEMORY_SYSTEM_RAM)
1569                 return psxM;
1570         else
1571                 return NULL;
1572 }
1573
1574 size_t retro_get_memory_size(unsigned id)
1575 {
1576         if (id == RETRO_MEMORY_SAVE_RAM)
1577                 return MCD_SIZE;
1578         else if (id == RETRO_MEMORY_SYSTEM_RAM)
1579                 return 0x200000;
1580         else
1581                 return 0;
1582 }
1583
1584 void retro_reset(void)
1585 {
1586    //hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
1587    rebootemu = 1;
1588         //SysReset();
1589 }
1590
1591 static const unsigned short retro_psx_map[] = {
1592         [RETRO_DEVICE_ID_JOYPAD_B]      = 1 << DKEY_CROSS,
1593         [RETRO_DEVICE_ID_JOYPAD_Y]      = 1 << DKEY_SQUARE,
1594         [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT,
1595         [RETRO_DEVICE_ID_JOYPAD_START]  = 1 << DKEY_START,
1596         [RETRO_DEVICE_ID_JOYPAD_UP]     = 1 << DKEY_UP,
1597         [RETRO_DEVICE_ID_JOYPAD_DOWN]   = 1 << DKEY_DOWN,
1598         [RETRO_DEVICE_ID_JOYPAD_LEFT]   = 1 << DKEY_LEFT,
1599         [RETRO_DEVICE_ID_JOYPAD_RIGHT]  = 1 << DKEY_RIGHT,
1600         [RETRO_DEVICE_ID_JOYPAD_A]      = 1 << DKEY_CIRCLE,
1601         [RETRO_DEVICE_ID_JOYPAD_X]      = 1 << DKEY_TRIANGLE,
1602         [RETRO_DEVICE_ID_JOYPAD_L]      = 1 << DKEY_L1,
1603         [RETRO_DEVICE_ID_JOYPAD_R]      = 1 << DKEY_R1,
1604         [RETRO_DEVICE_ID_JOYPAD_L2]     = 1 << DKEY_L2,
1605         [RETRO_DEVICE_ID_JOYPAD_R2]     = 1 << DKEY_R2,
1606         [RETRO_DEVICE_ID_JOYPAD_L3]     = 1 << DKEY_L3,
1607         [RETRO_DEVICE_ID_JOYPAD_R3]     = 1 << DKEY_R3,
1608 };
1609 #define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
1610
1611 static void update_variables(bool in_flight)
1612 {
1613    struct retro_variable var;
1614    int i;
1615    int gpu_peops_fix = 0;
1616
1617    var.value = NULL;
1618    var.key = "pcsx_rearmed_frameskip";
1619    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1620       pl_rearmed_cbs.frameskip = atoi(var.value);
1621
1622    var.value = NULL;
1623    var.key = "pcsx_rearmed_region";
1624    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1625    {
1626       Config.PsxAuto = 0;
1627       if (strcmp(var.value, "auto") == 0)
1628          Config.PsxAuto = 1;
1629       else if (strcmp(var.value, "NTSC") == 0)
1630          Config.PsxType = 0;
1631       else if (strcmp(var.value, "PAL") == 0)
1632          Config.PsxType = 1;
1633    }
1634
1635    for (i = 0; i < PORTS_NUMBER; i++)
1636       update_controller_port_variable(i);
1637
1638    update_multitap();
1639
1640    var.value = NULL;
1641    var.key = "pcsx_rearmed_negcon_deadzone";
1642    negcon_deadzone = 0;
1643    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1644    {
1645       negcon_deadzone = (int)(atoi(var.value) * 0.01f * NEGCON_RANGE);
1646    }
1647
1648    var.value = NULL;
1649    var.key = "pcsx_rearmed_negcon_response";
1650    negcon_linearity = 1;
1651    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1652    {
1653       if (strcmp(var.value, "quadratic") == 0){
1654          negcon_linearity = 2;
1655       } else if (strcmp(var.value, "cubic") == 0){
1656          negcon_linearity = 3;
1657       }
1658    }
1659
1660    var.value = NULL;
1661    var.key = "pcsx_rearmed_analog_axis_modifier";
1662    axis_bounds_modifier = true;
1663    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1664    {
1665       if (strcmp(var.value, "square") == 0) {
1666         axis_bounds_modifier = true;
1667           } else if (strcmp(var.value, "circle") == 0) {
1668         axis_bounds_modifier = false;
1669           }
1670    }
1671
1672    var.value = NULL;
1673    var.key = "pcsx_rearmed_vibration";
1674
1675    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1676    {
1677       if (strcmp(var.value, "disabled") == 0)
1678          in_enable_vibration = 0;
1679       else if (strcmp(var.value, "enabled") == 0)
1680          in_enable_vibration = 1;
1681    }
1682
1683    var.value = NULL;
1684    var.key = "pcsx_rearmed_dithering";
1685
1686    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1687    {
1688       if (strcmp(var.value, "disabled") == 0) {
1689          pl_rearmed_cbs.gpu_peops.iUseDither = 0;
1690          pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 0;
1691          pl_rearmed_cbs.gpu_unai.dithering = 0;
1692 #ifdef __ARM_NEON__
1693          pl_rearmed_cbs.gpu_neon.allow_dithering = 0;
1694 #endif
1695       }
1696       else if (strcmp(var.value, "enabled") == 0) {
1697          pl_rearmed_cbs.gpu_peops.iUseDither = 1;
1698          pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 1;
1699          pl_rearmed_cbs.gpu_unai.dithering = 1;
1700 #ifdef __ARM_NEON__
1701          pl_rearmed_cbs.gpu_neon.allow_dithering = 1;
1702 #endif
1703       }
1704    }
1705
1706 #ifdef GPU_NEON
1707    var.value = "NULL";
1708    var.key = "pcsx_rearmed_neon_interlace_enable";
1709
1710    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1711    {
1712       if (strcmp(var.value, "disabled") == 0)
1713          pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
1714       else if (strcmp(var.value, "enabled") == 0)
1715          pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
1716    }
1717
1718    var.value = NULL;
1719    var.key = "pcsx_rearmed_neon_enhancement_enable";
1720
1721    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1722    {
1723       if (strcmp(var.value, "disabled") == 0)
1724          pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
1725       else if (strcmp(var.value, "enabled") == 0)
1726          pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
1727    }
1728
1729    var.value = NULL;
1730    var.key = "pcsx_rearmed_neon_enhancement_no_main";
1731
1732    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1733    {
1734       if (strcmp(var.value, "disabled") == 0)
1735          pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
1736       else if (strcmp(var.value, "enabled") == 0)
1737          pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1;
1738    }
1739 #endif
1740
1741    var.value = "NULL";
1742    var.key = "pcsx_rearmed_duping_enable";
1743
1744    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1745    {
1746       if (strcmp(var.value, "disabled") == 0)
1747          duping_enable = false;
1748       else if (strcmp(var.value, "enabled") == 0)
1749          duping_enable = true;
1750    }
1751
1752    var.value = "NULL";
1753    var.key = "pcsx_rearmed_display_internal_fps";
1754
1755    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1756    {
1757       if (strcmp(var.value, "disabled") == 0)
1758          display_internal_fps = false;
1759       else if (strcmp(var.value, "enabled") == 0)
1760          display_internal_fps = true;
1761    }
1762
1763 #ifndef DRC_DISABLE
1764    var.value = NULL;
1765    var.key = "pcsx_rearmed_drc";
1766
1767    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1768    {
1769       R3000Acpu *prev_cpu = psxCpu;
1770
1771 #ifdef _3DS
1772       if(!__ctr_svchax)
1773          Config.Cpu = CPU_INTERPRETER;
1774       else
1775 #endif
1776       if (strcmp(var.value, "disabled") == 0)
1777          Config.Cpu = CPU_INTERPRETER;
1778       else if (strcmp(var.value, "enabled") == 0)
1779          Config.Cpu = CPU_DYNAREC;
1780
1781       psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
1782       if (psxCpu != prev_cpu) {
1783          prev_cpu->Shutdown();
1784          psxCpu->Init();
1785          psxCpu->Reset(); // not really a reset..
1786       }
1787    }
1788 #endif
1789
1790    var.value = "NULL";
1791    var.key = "pcsx_rearmed_spu_reverb";
1792
1793    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1794    {
1795       if (strcmp(var.value, "disabled") == 0)
1796          spu_config.iUseReverb = false;
1797       else if (strcmp(var.value, "enabled") == 0)
1798          spu_config.iUseReverb = true;
1799    }
1800
1801    var.value = "NULL";
1802    var.key = "pcsx_rearmed_spu_interpolation";
1803
1804    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1805    {
1806       if (strcmp(var.value, "simple") == 0)
1807          spu_config.iUseInterpolation = 1;
1808       else if (strcmp(var.value, "gaussian") == 0)
1809          spu_config.iUseInterpolation = 2;
1810       else if (strcmp(var.value, "cubic") == 0)
1811          spu_config.iUseInterpolation = 3;
1812       else if (strcmp(var.value, "off") == 0)
1813          spu_config.iUseInterpolation = 0;
1814    }
1815
1816    var.value = "NULL";
1817    var.key = "pcsx_rearmed_pe2_fix";
1818
1819    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1820    {
1821       if (strcmp(var.value, "disabled") == 0)
1822          Config.RCntFix = 0;
1823       else if (strcmp(var.value, "enabled") == 0)
1824          Config.RCntFix = 1;
1825    }
1826
1827    var.value = "NULL";
1828    var.key = "pcsx_rearmed_idiablofix";
1829
1830    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1831    {
1832       if (strcmp(var.value, "disabled") == 0)
1833          spu_config.idiablofix = 0;
1834       else if (strcmp(var.value, "enabled") == 0)
1835          spu_config.idiablofix = 1;
1836    }
1837
1838    var.value = "NULL";
1839    var.key = "pcsx_rearmed_inuyasha_fix";
1840
1841    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1842    {
1843       if (strcmp(var.value, "disabled") == 0)
1844          Config.VSyncWA = 0;
1845       else if (strcmp(var.value, "enabled") == 0)
1846          Config.VSyncWA = 1;
1847    }
1848
1849    var.value = NULL;
1850    var.key = "pcsx_rearmed_noxadecoding";
1851    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1852    {
1853       if (strcmp(var.value, "disabled") == 0)
1854          Config.Xa = 1;
1855       else
1856          Config.Xa = 0;
1857    }
1858
1859    var.value = NULL;
1860    var.key = "pcsx_rearmed_nocdaudio";
1861    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1862    {
1863       if (strcmp(var.value, "disabled") == 0)
1864          Config.Cdda = 1;
1865       else
1866          Config.Cdda = 0;
1867    }
1868
1869    var.value = NULL;
1870    var.key = "pcsx_rearmed_spuirq";
1871    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1872    {
1873       if (strcmp(var.value, "disabled") == 0)
1874          Config.SpuIrq = 0;
1875       else
1876          Config.SpuIrq = 1;
1877    }
1878
1879 #ifndef DRC_DISABLE
1880    var.value = NULL;
1881    var.key = "pcsx_rearmed_nosmccheck";
1882    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1883    {
1884       if (strcmp(var.value, "enabled") == 0)
1885          new_dynarec_hacks |= NDHACK_NO_SMC_CHECK;
1886       else
1887          new_dynarec_hacks &= ~NDHACK_NO_SMC_CHECK;
1888    }
1889
1890    var.value = NULL;
1891    var.key = "pcsx_rearmed_gteregsunneeded";
1892    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1893    {
1894       if (strcmp(var.value, "enabled") == 0)
1895          new_dynarec_hacks |= NDHACK_GTE_UNNEEDED;
1896       else
1897          new_dynarec_hacks &= ~NDHACK_GTE_UNNEEDED;
1898    }
1899
1900    var.value = NULL;
1901    var.key = "pcsx_rearmed_nogteflags";
1902    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1903    {
1904       if (strcmp(var.value, "enabled") == 0)
1905          new_dynarec_hacks |= NDHACK_GTE_NO_FLAGS;
1906       else
1907          new_dynarec_hacks &= ~NDHACK_GTE_NO_FLAGS;
1908    }
1909 #endif
1910
1911 #ifdef GPU_PEOPS
1912    var.value = "NULL";
1913    var.key = "pcsx_rearmed_gpu_peops_odd_even_bit";
1914
1915    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1916    {
1917       if (strcmp(var.value, "enabled") == 0)
1918          gpu_peops_fix |= GPU_PEOPS_ODD_EVEN_BIT;
1919    }
1920
1921    var.value = "NULL";
1922    var.key = "pcsx_rearmed_gpu_peops_expand_screen_width";
1923
1924    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1925    {
1926       if (strcmp(var.value, "enabled") == 0)
1927          gpu_peops_fix |= GPU_PEOPS_EXPAND_SCREEN_WIDTH;
1928    }
1929
1930    var.value = "NULL";
1931    var.key = "pcsx_rearmed_gpu_peops_ignore_brightness";
1932
1933    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1934    {
1935       if (strcmp(var.value, "enabled") == 0)
1936          gpu_peops_fix |= GPU_PEOPS_IGNORE_BRIGHTNESS;
1937    }
1938
1939    var.value = "NULL";
1940    var.key = "pcsx_rearmed_gpu_peops_disable_coord_check";
1941
1942    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1943    {
1944       if (strcmp(var.value, "enabled") == 0)
1945          gpu_peops_fix |= GPU_PEOPS_DISABLE_COORD_CHECK;
1946    }
1947
1948    var.value = "NULL";
1949    var.key = "pcsx_rearmed_gpu_peops_lazy_screen_update";
1950
1951    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1952    {
1953       if (strcmp(var.value, "enabled") == 0)
1954          gpu_peops_fix |= GPU_PEOPS_LAZY_SCREEN_UPDATE;
1955    }
1956
1957    var.value = "NULL";
1958    var.key = "pcsx_rearmed_gpu_peops_old_frame_skip";
1959
1960    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1961    {
1962       if (strcmp(var.value, "enabled") == 0)
1963          gpu_peops_fix |= GPU_PEOPS_OLD_FRAME_SKIP;
1964    }
1965
1966    var.value = "NULL";
1967    var.key = "pcsx_rearmed_gpu_peops_repeated_triangles";
1968
1969    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1970    {
1971       if (strcmp(var.value, "enabled") == 0)
1972          gpu_peops_fix |= GPU_PEOPS_REPEATED_TRIANGLES;
1973    }
1974
1975    var.value = "NULL";
1976    var.key = "pcsx_rearmed_gpu_peops_quads_with_triangles";
1977
1978    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1979    {
1980       if (strcmp(var.value, "enabled") == 0)
1981          gpu_peops_fix |= GPU_PEOPS_QUADS_WITH_TRIANGLES;
1982    }
1983
1984    var.value = "NULL";
1985    var.key = "pcsx_rearmed_gpu_peops_fake_busy_state";
1986
1987    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1988    {
1989       if (strcmp(var.value, "enabled") == 0)
1990          gpu_peops_fix |= GPU_PEOPS_FAKE_BUSY_STATE;
1991    }
1992
1993    if (pl_rearmed_cbs.gpu_peops.dwActFixes != gpu_peops_fix)
1994       pl_rearmed_cbs.gpu_peops.dwActFixes = gpu_peops_fix;
1995
1996
1997    /* Show/hide core options */
1998
1999    var.key = "pcsx_rearmed_show_gpu_peops_settings";
2000    var.value = NULL;
2001
2002    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2003    {
2004       int show_advanced_gpu_peops_settings_prev = show_advanced_gpu_peops_settings;
2005
2006       show_advanced_gpu_peops_settings = 1;
2007       if (strcmp(var.value, "disabled") == 0)
2008          show_advanced_gpu_peops_settings = 0;
2009
2010       if (show_advanced_gpu_peops_settings != show_advanced_gpu_peops_settings_prev)
2011       {
2012          unsigned i;
2013          struct retro_core_option_display option_display;
2014          char gpu_peops_option[9][45] = {
2015             "pcsx_rearmed_gpu_peops_odd_even_bit",
2016             "pcsx_rearmed_gpu_peops_expand_screen_width",
2017             "pcsx_rearmed_gpu_peops_ignore_brightness",
2018             "pcsx_rearmed_gpu_peops_disable_coord_check",
2019             "pcsx_rearmed_gpu_peops_lazy_screen_update",
2020             "pcsx_rearmed_gpu_peops_old_frame_skip",
2021             "pcsx_rearmed_gpu_peops_repeated_triangles",
2022             "pcsx_rearmed_gpu_peops_quads_with_triangles",
2023             "pcsx_rearmed_gpu_peops_fake_busy_state",
2024          };
2025
2026          option_display.visible = show_advanced_gpu_peops_settings;
2027
2028          for (i = 0; i < 9; i++)
2029          {
2030             option_display.key = gpu_peops_option[i];
2031             environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY, &option_display);
2032          }
2033       }
2034    }
2035 #endif
2036
2037 #ifdef GPU_UNAI
2038    var.key = "pcsx_rearmed_gpu_unai_ilace_force";
2039    var.value = NULL;
2040
2041    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2042    {
2043       if (strcmp(var.value, "disabled") == 0)
2044          pl_rearmed_cbs.gpu_unai.ilace_force = 0;
2045       else if (strcmp(var.value, "enabled") == 0)
2046          pl_rearmed_cbs.gpu_unai.ilace_force = 1;
2047    }
2048
2049    var.key = "pcsx_rearmed_gpu_unai_pixel_skip";
2050    var.value = NULL;
2051
2052    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2053    {
2054       if (strcmp(var.value, "disabled") == 0)
2055          pl_rearmed_cbs.gpu_unai.pixel_skip = 0;
2056       else if (strcmp(var.value, "enabled") == 0)
2057          pl_rearmed_cbs.gpu_unai.pixel_skip = 1;
2058    }
2059
2060    var.key = "pcsx_rearmed_gpu_unai_lighting";
2061    var.value = NULL;
2062
2063    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2064    {
2065       if (strcmp(var.value, "disabled") == 0)
2066          pl_rearmed_cbs.gpu_unai.lighting = 0;
2067       else if (strcmp(var.value, "enabled") == 0)
2068          pl_rearmed_cbs.gpu_unai.lighting = 1;
2069    }
2070
2071    var.key = "pcsx_rearmed_gpu_unai_fast_lighting";
2072    var.value = NULL;
2073
2074    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2075    {
2076       if (strcmp(var.value, "disabled") == 0)
2077          pl_rearmed_cbs.gpu_unai.fast_lighting = 0;
2078       else if (strcmp(var.value, "enabled") == 0)
2079          pl_rearmed_cbs.gpu_unai.fast_lighting = 1;
2080    }
2081
2082    var.key = "pcsx_rearmed_gpu_unai_blending";
2083    var.value = NULL;
2084
2085    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2086    {
2087       if (strcmp(var.value, "disabled") == 0)
2088          pl_rearmed_cbs.gpu_unai.blending = 0;
2089       else if (strcmp(var.value, "enabled") == 0)
2090          pl_rearmed_cbs.gpu_unai.blending = 1;
2091    }
2092
2093    var.key = "pcsx_rearmed_show_gpu_unai_settings";
2094    var.value = NULL;
2095
2096    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2097    {
2098       int show_advanced_gpu_unai_settings_prev = show_advanced_gpu_unai_settings;
2099
2100       show_advanced_gpu_unai_settings = 1;
2101       if (strcmp(var.value, "disabled") == 0)
2102          show_advanced_gpu_unai_settings = 0;
2103
2104       if (show_advanced_gpu_unai_settings != show_advanced_gpu_unai_settings_prev)
2105       {
2106          unsigned i;
2107          struct retro_core_option_display option_display;
2108          char gpu_unai_option[5][40] = {
2109             "pcsx_rearmed_gpu_unai_blending",
2110             "pcsx_rearmed_gpu_unai_lighting",
2111             "pcsx_rearmed_gpu_unai_fast_lighting",
2112             "pcsx_rearmed_gpu_unai_ilace_force",
2113             "pcsx_rearmed_gpu_unai_pixel_skip",
2114          };
2115
2116          option_display.visible = show_advanced_gpu_unai_settings;
2117
2118          for (i = 0; i < 5; i++)
2119          {
2120             option_display.key = gpu_unai_option[i];
2121             environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY, &option_display);
2122          }
2123       }
2124    }
2125 #endif // GPU_UNAI
2126
2127    if (in_flight) {
2128       // inform core things about possible config changes
2129       plugin_call_rearmed_cbs();
2130
2131       if (GPU_open != NULL && GPU_close != NULL) {
2132          GPU_close();
2133          GPU_open(&gpuDisp, "PCSX", NULL);
2134       }
2135
2136       dfinput_activate();
2137    }
2138    else
2139    {
2140       //not yet running
2141
2142       //bootlogo display hack
2143       if (found_bios) {
2144          var.value = "NULL";
2145          var.key = "pcsx_rearmed_show_bios_bootlogo";
2146          if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2147          {
2148             Config.SlowBoot = 0;
2149             rebootemu = 0;
2150             if (strcmp(var.value, "enabled") == 0)
2151             {
2152                Config.SlowBoot = 1;
2153                rebootemu = 1;
2154             }
2155          }
2156       }
2157
2158 #if defined(LIGHTREC) || defined(NEW_DYNAREC)
2159       var.value = "NULL";
2160       var.key = "pcsx_rearmed_psxclock";
2161       if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2162       {
2163          int psxclock = atoi(var.value);
2164          cycle_multiplier = 10000 / psxclock;
2165       }
2166 #endif
2167    }
2168 }
2169
2170 // Taken from beetle-psx-libretro
2171 static uint16_t get_analog_button(int16_t ret, retro_input_state_t input_state_cb, int player_index, int id)
2172 {
2173         // NOTE: Analog buttons were added Nov 2017. Not all front-ends support this
2174         // feature (or pre-date it) so we need to handle this in a graceful way.
2175
2176         // First, try and get an analog value using the new libretro API constant
2177         uint16_t button = input_state_cb(player_index,
2178                                                                         RETRO_DEVICE_ANALOG,
2179                                                                         RETRO_DEVICE_INDEX_ANALOG_BUTTON,
2180                                                                         id);
2181         button = MIN(button / 128, 255);
2182
2183         if (button == 0)
2184         {
2185                 // If we got exactly zero, we're either not pressing the button, or the front-end
2186                 // is not reporting analog values. We need to do a second check using the classic
2187                 // digital API method, to at least get some response - better than nothing.
2188
2189                 // NOTE: If we're really just not holding the button, we're still going to get zero.
2190
2191                 button = (ret & (1 << id)) ? 255 : 0;
2192         }
2193
2194         return button;
2195 }
2196
2197 unsigned char axis_range_modifier(int16_t axis_value, bool is_square) {
2198         float modifier_axis_range = 0;
2199
2200         if(is_square) {
2201                 modifier_axis_range = round((axis_value >> 8) / 0.785) + 128;
2202                 if(modifier_axis_range < 0) {
2203                         modifier_axis_range = 0;
2204                 } else if(modifier_axis_range > 255) {
2205                         modifier_axis_range = 255;
2206                 }
2207         } else {
2208                 modifier_axis_range = MIN(((axis_value >> 8) + 128), 255);
2209         }
2210
2211         return modifier_axis_range;
2212 }
2213
2214 void retro_run(void)
2215 {
2216         int i;
2217         //SysReset must be run while core is running,Not in menu (Locks up Retroarch)
2218         if (rebootemu != 0) {
2219                 rebootemu = 0;
2220                 SysReset();
2221                 if (!Config.HLE && !Config.SlowBoot) {
2222                         // skip BIOS logos
2223                         psxRegs.pc = psxRegs.GPR.n.ra;
2224                 }
2225         }
2226
2227         if (display_internal_fps) {
2228                 frame_count++;
2229
2230                 if (frame_count % INTERNAL_FPS_SAMPLE_PERIOD == 0) {
2231                         unsigned internal_fps = pl_rearmed_cbs.flip_cnt * (is_pal_mode ? 50 : 60) / INTERNAL_FPS_SAMPLE_PERIOD;
2232                         char str[64];
2233                         const char *strc = (const char*)str;
2234                         struct retro_message msg =
2235                         {
2236                                 strc,
2237                                 180
2238                         };
2239
2240                         str[0] = '\0';
2241
2242                         snprintf(str, sizeof(str), "Internal FPS: %2d", internal_fps);
2243
2244                         pl_rearmed_cbs.flip_cnt = 0;
2245
2246                         environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, &msg);
2247                 }
2248         }
2249    else
2250                 frame_count = 0;
2251
2252         input_poll_cb();
2253
2254         bool updated = false;
2255         if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
2256                 update_variables(true);
2257
2258         // reset all keystate, query libretro for keystate
2259         int j;
2260         int lsx;
2261         int rsy;
2262         float negcon_twist_amplitude;
2263         int negcon_i_rs;
2264         int negcon_ii_rs;
2265         for(i = 0; i < PORTS_NUMBER; i++)
2266    {
2267       int16_t ret    = 0;
2268                 in_keystate[i] = 0;
2269
2270                 if (in_type[i] == PSE_PAD_TYPE_NONE)
2271                         continue;
2272
2273       if (libretro_supports_bitmasks)
2274          ret = input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_MASK);
2275       else
2276       {
2277          unsigned j;
2278          for (j = 0; j < (RETRO_DEVICE_ID_JOYPAD_R3+1); j++)
2279          {
2280             if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, j))
2281                ret |= (1 << j);
2282          }
2283       }
2284
2285                 if (in_type[i] == PSE_PAD_TYPE_GUNCON)
2286                 {
2287                         //ToDo move across to:
2288                         //RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X
2289                         //RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y
2290                         //RETRO_DEVICE_ID_LIGHTGUN_TRIGGER
2291                         //RETRO_DEVICE_ID_LIGHTGUN_RELOAD
2292                         //RETRO_DEVICE_ID_LIGHTGUN_AUX_A
2293                         //RETRO_DEVICE_ID_LIGHTGUN_AUX_B
2294                         //Though not sure these are hooked up properly on the Pi
2295
2296                         //ToDo
2297                         //Put the controller index back to i instead of hardcoding to 1 when the libretro overlay crash bug is fixed
2298                         //This is required for 2 player
2299
2300                         //GUNCON has 3 controls, Trigger,A,B which equal Circle,Start,Cross
2301
2302                         // Trigger
2303                         //The 1 is hardcoded instead of i to prevent the overlay mouse button libretro crash bug
2304                         if (input_state_cb(1, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_LEFT)){
2305                                 in_keystate[i] |= (1 << DKEY_CIRCLE);
2306                         }
2307
2308                         // A
2309                         if (input_state_cb(1, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_RIGHT)){
2310                                 in_keystate[i] |= (1 << DKEY_START);
2311                         }
2312
2313                         // B
2314                         if (input_state_cb(1, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_MIDDLE)){
2315                                 in_keystate[i] |= (1 << DKEY_CROSS);
2316                         }
2317
2318                         //The 1 is hardcoded instead of i to prevent the overlay mouse button libretro crash bug
2319                         int gunx = input_state_cb(1, RETRO_DEVICE_POINTER, 0, RETRO_DEVICE_ID_POINTER_X);
2320                         int guny = input_state_cb(1, RETRO_DEVICE_POINTER, 0, RETRO_DEVICE_ID_POINTER_Y);
2321
2322                         //This adjustment process gives the user the ability to manually align the mouse up better
2323                         //with where the shots are in the emulator.
2324
2325                         //Percentage distance of screen to adjust
2326                         int GunconAdjustX = 0;
2327                         int GunconAdjustY = 0;
2328
2329                         //Used when out by a percentage
2330                         float GunconAdjustRatioX = 1;
2331                         float GunconAdjustRatioY = 1;
2332
2333                         struct retro_variable var;
2334                         var.value = NULL;
2335                         var.key = "pcsx_rearmed_gunconadjustx";
2336                         if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2337                         {
2338                                 GunconAdjustX = atoi(var.value);
2339                         }
2340
2341                         var.value = NULL;
2342                         var.key = "pcsx_rearmed_gunconadjusty";
2343                         if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2344                         {
2345                                 GunconAdjustY = atoi(var.value);
2346                         }
2347
2348
2349                         var.value = NULL;
2350                         var.key = "pcsx_rearmed_gunconadjustratiox";
2351                         if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2352                         {
2353                                 GunconAdjustRatioX = atof(var.value);
2354                         }
2355
2356
2357                         var.value = NULL;
2358                         var.key = "pcsx_rearmed_gunconadjustratioy";
2359                         if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2360                         {
2361                                 GunconAdjustRatioY = atof(var.value);
2362                         }
2363
2364                         //Mouse range is -32767 -> 32767
2365                         //1% is about 655
2366                         //Use the left analog stick field to store the absolute coordinates
2367                         in_analog_left[0][0] = (gunx*GunconAdjustRatioX) + (GunconAdjustX * 655);
2368                         in_analog_left[0][1] = (guny*GunconAdjustRatioY) + (GunconAdjustY * 655);
2369
2370
2371                 }
2372                 if (in_type[i] == PSE_PAD_TYPE_NEGCON)
2373                 {
2374                         // Query digital inputs
2375                         //
2376                         // > Pad-Up
2377                         if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_UP))
2378                                 in_keystate[i] |= (1 << DKEY_UP);
2379                         // > Pad-Right
2380                         if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_RIGHT))
2381                                 in_keystate[i] |= (1 << DKEY_RIGHT);
2382                         // > Pad-Down
2383                         if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_DOWN))
2384                                 in_keystate[i] |= (1 << DKEY_DOWN);
2385                         // > Pad-Left
2386                         if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_LEFT))
2387                                 in_keystate[i] |= (1 << DKEY_LEFT);
2388                         // > Start
2389                         if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_START))
2390                                 in_keystate[i] |= (1 << DKEY_START);
2391                         // > neGcon A
2392                         if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_A))
2393                                 in_keystate[i] |= (1 << DKEY_CIRCLE);
2394                         // > neGcon B
2395                         if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_X))
2396                                 in_keystate[i] |= (1 << DKEY_TRIANGLE);
2397                         // > neGcon R shoulder (digital)
2398                         if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_R))
2399                                 in_keystate[i] |= (1 << DKEY_R1);
2400                         // Query analog inputs
2401                         //
2402                         // From studying 'libpcsxcore/plugins.c' and 'frontend/plugin.c':
2403                         // >> pad->leftJoyX  == in_analog_left[i][0]  == NeGcon II
2404                         // >> pad->leftJoyY  == in_analog_left[i][1]  == NeGcon L
2405                         // >> pad->rightJoyX == in_analog_right[i][0] == NeGcon twist
2406                         // >> pad->rightJoyY == in_analog_right[i][1] == NeGcon I
2407                         // So we just have to map in_analog_left/right to more
2408                         // appropriate inputs...
2409                         //
2410                         // > NeGcon twist
2411                         // >> Get raw analog stick value and account for deadzone
2412                         lsx = input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X);
2413                         if (lsx > negcon_deadzone)
2414                                 lsx = lsx - negcon_deadzone;
2415                         else if (lsx < -negcon_deadzone)
2416                                 lsx = lsx + negcon_deadzone;
2417                         else
2418                                 lsx = 0;
2419                         // >> Convert to an 'amplitude' [-1.0,1.0] and adjust response
2420                         negcon_twist_amplitude = (float)lsx / (float)(NEGCON_RANGE - negcon_deadzone);
2421                         if (negcon_linearity == 2)
2422          {
2423                                 if (negcon_twist_amplitude < 0.0)
2424                                         negcon_twist_amplitude = -(negcon_twist_amplitude * negcon_twist_amplitude);
2425             else
2426                                         negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude;
2427                         }
2428          else if (negcon_linearity == 3)
2429                                 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude * negcon_twist_amplitude;
2430                         // >> Convert to final 'in_analog' integer value [0,255]
2431                         in_analog_right[i][0] = MAX(MIN((int)(negcon_twist_amplitude * 128.0f) + 128, 255), 0);
2432                         // > NeGcon I + II
2433                         // >> Handle right analog stick vertical axis mapping...
2434                         //    - Up (-Y) == accelerate == neGcon I
2435                         //    - Down (+Y) == brake == neGcon II
2436                         negcon_i_rs = 0;
2437                         negcon_ii_rs = 0;
2438                         rsy = input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y);
2439                         if (rsy >= 0){
2440                                 // Account for deadzone
2441                                 // (Note: have never encountered a gamepad with significant differences
2442                                 // in deadzone between left/right analog sticks, so use the regular 'twist'
2443                                 // deadzone here)
2444                                 if (rsy > negcon_deadzone)
2445                                         rsy = rsy - negcon_deadzone;
2446             else
2447                                         rsy = 0;
2448                                 // Convert to 'in_analog' integer value [0,255]
2449                                 negcon_ii_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
2450                         } else {
2451                                 if (rsy < -negcon_deadzone)
2452                                         rsy = -1 * (rsy + negcon_deadzone);
2453             else
2454                                         rsy = 0;
2455                                 negcon_i_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
2456                         }
2457                         // >> NeGcon I
2458                         in_analog_right[i][1] = MAX(
2459                                 MAX(
2460                                         get_analog_button(ret, input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_R2),
2461                                         get_analog_button(ret, input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_B)
2462                                 ),
2463                                 negcon_i_rs
2464                         );
2465                         // >> NeGcon II
2466                         in_analog_left[i][0] = MAX(
2467                                 MAX(
2468                                         get_analog_button(ret, input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_L2),
2469                                         get_analog_button(ret, input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_Y)
2470                                 ),
2471                                 negcon_ii_rs
2472                         );
2473                         // > NeGcon L
2474                         in_analog_left[i][1] = get_analog_button(ret, input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_L);
2475                 }
2476                 if (in_type[i] != PSE_PAD_TYPE_NEGCON && in_type[i] != PSE_PAD_TYPE_GUNCON)
2477                 {
2478                         // Query digital inputs
2479                         for (j = 0; j < RETRO_PSX_MAP_LEN; j++)
2480                                 if (ret & (1 << j))
2481                                         in_keystate[i] |= retro_psx_map[j];
2482
2483                         // Query analog inputs
2484                         if (in_type[i] == PSE_PAD_TYPE_ANALOGJOY || in_type[i] == PSE_PAD_TYPE_ANALOGPAD)
2485                         {
2486                                 in_analog_left[i][0] = axis_range_modifier(input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X), axis_bounds_modifier);
2487                                 in_analog_left[i][1] = axis_range_modifier(input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y), axis_bounds_modifier);
2488                                 in_analog_right[i][0] = axis_range_modifier(input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X), axis_bounds_modifier);
2489                                 in_analog_right[i][1] = axis_range_modifier(input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y), axis_bounds_modifier);
2490                         }
2491                 }
2492         }
2493
2494         stop = 0;
2495         psxCpu->Execute();
2496
2497         video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf_ptr : NULL,
2498                 vout_width, vout_height, vout_width * 2);
2499         vout_fb_dirty = 0;
2500
2501     set_vout_fb();
2502 }
2503
2504 static bool try_use_bios(const char *path)
2505 {
2506         FILE *f;
2507         long size;
2508         const char *name;
2509
2510         f = fopen(path, "rb");
2511         if (f == NULL)
2512                 return false;
2513
2514         fseek(f, 0, SEEK_END);
2515         size = ftell(f);
2516         fclose(f);
2517
2518         if (size != 512 * 1024)
2519                 return false;
2520
2521         name = strrchr(path, SLASH);
2522         if (name++ == NULL)
2523                 name = path;
2524         snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
2525         return true;
2526 }
2527
2528 #ifndef VITA
2529 #include <sys/types.h>
2530 #include <dirent.h>
2531
2532 static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
2533 {
2534         DIR *dir;
2535         struct dirent *ent;
2536         bool ret = false;
2537
2538         dir = opendir(dirpath);
2539         if (dir == NULL)
2540                 return false;
2541
2542         while ((ent = readdir(dir))) {
2543                 if ((strncasecmp(ent->d_name, "scph", 4) != 0) && (strncasecmp(ent->d_name, "psx", 3) != 0))
2544                         continue;
2545
2546                 snprintf(path, path_size, "%s%c%s", dirpath, SLASH, ent->d_name);
2547                 ret = try_use_bios(path);
2548                 if (ret)
2549                         break;
2550         }
2551         closedir(dir);
2552         return ret;
2553 }
2554 #else
2555 #define find_any_bios(...) false
2556 #endif
2557
2558 static void check_system_specs(void)
2559 {
2560    unsigned level = 6;
2561    environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
2562 }
2563
2564 static int init_memcards(void)
2565 {
2566         int ret = 0;
2567         const char *dir;
2568         struct retro_variable var = { .key="pcsx_rearmed_memcard2", .value=NULL };
2569         static const char CARD2_FILE[] = "pcsx-card2.mcd";
2570
2571         // Memcard2 will be handled and is re-enabled if needed using core
2572         // operations.
2573         // Memcard1 is handled by libretro, doing this will set core to
2574         // skip file io operations for memcard1 like SaveMcd
2575         snprintf(Config.Mcd1, sizeof(Config.Mcd1), "none");
2576         snprintf(Config.Mcd2, sizeof(Config.Mcd2), "none");
2577         init_memcard(Mcd1Data);
2578         // Memcard 2 is managed by the emulator on the filesystem,
2579         // There is no need to initialize Mcd2Data like Mcd1Data.
2580
2581         if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
2582                 SysPrintf("Memcard 2: %s\n", var.value);
2583                 if (memcmp(var.value, "enabled", 7) == 0) {
2584                         if (environ_cb(RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY, &dir) && dir) {
2585                                 if (strlen(dir) + strlen(CARD2_FILE) + 2 > sizeof(Config.Mcd2)) {
2586                                         SysPrintf("Path '%s' is too long. Cannot use memcard 2. Use a shorter path.\n", dir);
2587                                         ret = -1;
2588                                 } else {
2589                                         McdDisable[1] = 0;
2590                                         snprintf(Config.Mcd2, sizeof(Config.Mcd2), "%s/%s", dir, CARD2_FILE);
2591                                         SysPrintf("Use memcard 2: %s\n", Config.Mcd2);
2592                                 }
2593                         } else {
2594                                 SysPrintf("Could not get save directory! Could not create memcard 2.");
2595                                 ret = -1;
2596                         }
2597                 }
2598         }
2599         return ret;
2600 }
2601
2602 static void loadPSXBios(void)
2603 {
2604         const char *dir;
2605         char path[PATH_MAX];
2606         unsigned useHLE = 0;
2607
2608         const char *bios[] = {
2609                 "PSXONPSP660", "psxonpsp660",
2610                 "SCPH101", "scph101",
2611                 "SCPH5501", "scph5501",
2612                 "SCPH7001", "scph7001",
2613                 "SCPH1001", "scph1001"
2614         };
2615
2616         struct retro_variable var = {
2617                 .key = "pcsx_rearmed_bios",
2618                 .value = NULL
2619         };
2620
2621         found_bios = 0;
2622
2623         if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
2624                 if (!strcmp(var.value, "HLE"))
2625                         useHLE = 1;
2626         }
2627
2628         if (!useHLE)
2629         {
2630                 if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
2631                 {
2632                         unsigned i;
2633                         snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s", dir);
2634
2635                         for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++) {
2636                                 snprintf(path, sizeof(path), "%s%c%s.bin", dir, SLASH, bios[i]);
2637                                 found_bios = try_use_bios(path);
2638                                 if (found_bios)
2639                                         break;
2640                         }
2641
2642                         if (!found_bios)
2643                                 found_bios = find_any_bios(dir, path, sizeof(path));
2644                 }
2645                 if (found_bios) {
2646                         SysPrintf("found BIOS file: %s\n", Config.Bios);
2647                 }
2648         }
2649
2650         if (useHLE || !found_bios)
2651         {
2652                 SysPrintf("no BIOS files found.\n");
2653                 struct retro_message msg =
2654                 {
2655                         "No PlayStation BIOS file found - add for better compatibility",
2656                         180
2657                 };
2658                 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, (void*)&msg);
2659         }
2660 }
2661
2662 void retro_init(void)
2663 {
2664         unsigned dci_version = 0;
2665         struct retro_rumble_interface rumble;
2666         int ret;
2667
2668 #ifdef __MACH__
2669         // magic sauce to make the dynarec work on iOS
2670         syscall(SYS_ptrace, 0 /*PTRACE_TRACEME*/, 0, 0, 0);
2671 #endif
2672
2673 #ifdef _3DS
2674    psxMapHook = pl_3ds_mmap;
2675    psxUnmapHook = pl_3ds_munmap;
2676 #endif
2677 #ifdef VITA
2678    if(init_vita_mmap()<0)
2679       abort();
2680    psxMapHook = pl_vita_mmap;
2681    psxUnmapHook = pl_vita_munmap;
2682 #endif
2683         ret = emu_core_preinit();
2684 #ifdef _3DS
2685    /* emu_core_preinit sets the cpu to dynarec */
2686    if(!__ctr_svchax)
2687       Config.Cpu = CPU_INTERPRETER;
2688 #endif
2689         ret |= init_memcards();
2690
2691         ret |= emu_core_init();
2692         if (ret != 0) {
2693                 SysPrintf("PCSX init failed.\n");
2694                 exit(1);
2695         }
2696
2697 #ifdef _3DS
2698    vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
2699 #elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && !defined(VITA) && !defined(__SWITCH__)
2700         posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
2701 #else
2702         vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
2703 #endif
2704
2705         vout_buf_ptr = vout_buf;
2706
2707         loadPSXBios();
2708
2709         environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
2710
2711         disk_initial_index   = 0;
2712         disk_initial_path[0] = '\0';
2713         if (environ_cb(RETRO_ENVIRONMENT_GET_DISK_CONTROL_INTERFACE_VERSION, &dci_version) && (dci_version >= 1))
2714                 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_EXT_INTERFACE, &disk_control_ext);
2715         else
2716                 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
2717
2718         rumble_cb = NULL;
2719         if (environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble))
2720                 rumble_cb = rumble.set_rumble_state;
2721
2722         /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
2723          * we have to do this because cache misses and some IO penalties
2724          * are not emulated. Warning: changing this may break compatibility. */
2725         cycle_multiplier = 175;
2726 #ifdef HAVE_PRE_ARMV7
2727         cycle_multiplier = 200;
2728 #endif
2729         pl_rearmed_cbs.gpu_peops.iUseDither = 1;
2730         pl_rearmed_cbs.gpu_peops.dwActFixes = GPU_PEOPS_OLD_FRAME_SKIP;
2731         spu_config.iUseFixedUpdates = 1;
2732
2733         SaveFuncs.open = save_open;
2734         SaveFuncs.read = save_read;
2735         SaveFuncs.write = save_write;
2736         SaveFuncs.seek = save_seek;
2737         SaveFuncs.close = save_close;
2738
2739    if (environ_cb(RETRO_ENVIRONMENT_GET_INPUT_BITMASKS, NULL))
2740       libretro_supports_bitmasks = true;
2741
2742         update_variables(false);
2743         check_system_specs();
2744 }
2745
2746 void retro_deinit(void)
2747 {
2748         ClosePlugins();
2749         SysClose();
2750 #ifdef _3DS
2751    linearFree(vout_buf);
2752 #else
2753         free(vout_buf);
2754 #endif
2755         vout_buf = NULL;
2756
2757 #ifdef VITA
2758   deinit_vita_mmap();
2759 #endif
2760    libretro_supports_bitmasks = false;
2761
2762         /* Have to reset disks struct, otherwise
2763          * fnames/flabels will leak memory */
2764         disk_init();
2765 }
2766
2767 #ifdef VITA
2768 #include <psp2/kernel/threadmgr.h>
2769 int usleep (unsigned long us)
2770 {
2771    sceKernelDelayThread(us);
2772 }
2773 #endif
2774
2775 void SysPrintf(const char *fmt, ...) {
2776         va_list list;
2777         char msg[512];
2778
2779         va_start(list, fmt);
2780         vsprintf(msg, fmt, list);
2781         va_end(list);
2782
2783         if (log_cb)
2784                 log_cb(RETRO_LOG_INFO, "%s", msg);
2785 }