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 #ifdef GPU_PEOPS
  97 static int show_advanced_gpu_peops_settings = -1;
  98 #endif
  99 #ifdef GPU_UNAI
 100 static int show_advanced_gpu_unai_settings  = -1;
 101 #endif
 102
 103 static unsigned previous_width = 0;
 104 static unsigned previous_height = 0;
 105
 106 static int plugins_opened;
 107 static int is_pal_mode;
 108
 109 /* memory card data */
 110 extern char Mcd1Data[MCD_SIZE];
 111 extern char Mcd2Data[MCD_SIZE];
 112 extern char McdDisable[2];
 113
 114 /* PCSX ReARMed core calls and stuff */
 115 int in_type[8] =  { PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
 116                   PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
 117                   PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
 118                   PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE };
 119 int in_analog_left[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
 120 int in_analog_right[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
 121 unsigned short in_keystate[PORTS_NUMBER];
 122 int multitap1 = 0;
 123 int multitap2 = 0;
 124 int in_enable_vibration = 1;
 125
 126 // NegCon adjustment parameters
 127 // > The NegCon 'twist' action is somewhat awkward when mapped
 128 //   to a standard analog stick -> user should be able to tweak
 129 //   response/deadzone for comfort
 130 // > When response is linear, 'additional' deadzone (set here)
 131 //   may be left at zero, since this is normally handled via in-game
 132 //   options menus
 133 // > When response is non-linear, deadzone should be set to match the
 134 //   controller being used (otherwise precision may be lost)
 135 // > negcon_linearity:
 136 //   - 1: Response is linear - recommended when using racing wheel
 137 //        peripherals, not recommended for standard gamepads
 138 //   - 2: Response is quadratic - optimal setting for gamepads
 139 //   - 3: Response is cubic - enables precise fine control, but
 140 //        difficult to use...
 141 #define NEGCON_RANGE 0x7FFF
 142 static int negcon_deadzone = 0;
 143 static int negcon_linearity = 1;
 144
 145 static bool axis_bounds_modifier;
 146
 147 /* PSX max resolution is 640x512, but with enhancement it's 1024x512 */
 148 #define VOUT_MAX_WIDTH 1024
 149 #define VOUT_MAX_HEIGHT 512
 150
 151 //Dummy functions
 152 bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info){return false;}
 153 void retro_unload_game(void){}
 154 static int vout_open(void){return 0;}
 155 static void vout_close(void){}
 156 static int snd_init(void){return 0;}
 157 static void snd_finish(void){}
 158 static int snd_busy(void){return 0;}
 159
 160 #define GPU_PEOPS_ODD_EVEN_BIT         (1 << 0)
 161 #define GPU_PEOPS_EXPAND_SCREEN_WIDTH  (1 << 1)
 162 #define GPU_PEOPS_IGNORE_BRIGHTNESS    (1 << 2)
 163 #define GPU_PEOPS_DISABLE_COORD_CHECK  (1 << 3)
 164 #define GPU_PEOPS_LAZY_SCREEN_UPDATE   (1 << 6)
 165 #define GPU_PEOPS_OLD_FRAME_SKIP       (1 << 7)
 166 #define GPU_PEOPS_REPEATED_TRIANGLES   (1 << 8)
 167 #define GPU_PEOPS_QUADS_WITH_TRIANGLES (1 << 9)
 168 #define GPU_PEOPS_FAKE_BUSY_STATE      (1 << 10)
 169
 170 static void init_memcard(char *mcd_data)
 171 {
 172         unsigned off = 0;
 173         unsigned i;
 174
 175         memset(mcd_data, 0, MCD_SIZE);
 176
 177         mcd_data[off++] = 'M';
 178         mcd_data[off++] = 'C';
 179         off += 0x7d;
 180         mcd_data[off++] = 0x0e;
 181
 182         for (i = 0; i < 15; i++) {
 183                 mcd_data[off++] = 0xa0;
 184                 off += 0x07;
 185                 mcd_data[off++] = 0xff;
 186                 mcd_data[off++] = 0xff;
 187                 off += 0x75;
 188                 mcd_data[off++] = 0xa0;
 189         }
 190
 191         for (i = 0; i < 20; i++) {
 192                 mcd_data[off++] = 0xff;
 193                 mcd_data[off++] = 0xff;
 194                 mcd_data[off++] = 0xff;
 195                 mcd_data[off++] = 0xff;
 196                 off += 0x04;
 197                 mcd_data[off++] = 0xff;
 198                 mcd_data[off++] = 0xff;
 199                 off += 0x76;
 200         }
 201 }
 202
 203 static void set_vout_fb()
 204 {
 205   struct retro_framebuffer fb = {0};
 206
 207   fb.width           = vout_width;
 208   fb.height          = vout_height;
 209   fb.access_flags    = RETRO_MEMORY_ACCESS_WRITE;
 210
 211   if (environ_cb(RETRO_ENVIRONMENT_GET_CURRENT_SOFTWARE_FRAMEBUFFER, &fb) && fb.format == RETRO_PIXEL_FORMAT_RGB565)
 212      vout_buf_ptr = (uint16_t*)fb.data;
 213   else
 214      vout_buf_ptr = vout_buf;
 215 }
 216
 217 static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
 218 {
 219   vout_width = w;
 220   vout_height = h;
 221
 222         if (previous_width != vout_width || previous_height != vout_height)
 223         {
 224                 previous_width = vout_width;
 225                 previous_height = vout_height;
 226
 227         struct retro_system_av_info info;
 228         retro_get_system_av_info(&info);
 229         environ_cb(RETRO_ENVIRONMENT_SET_GEOMETRY, &info.geometry);
 230         }
 231
 232   set_vout_fb();
 233 }
 234
 235 #ifndef FRONTEND_SUPPORTS_RGB565
 236 static void convert(void *buf, size_t bytes)
 237 {
 238         unsigned int i, v, *p = buf;
 239
 240         for (i = 0; i < bytes / 4; i++) {
 241                 v = p[i];
 242                 p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0);
 243         }
 244 }
 245 #endif
 246
 247 static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
 248 {
 249         unsigned short *dest = vout_buf_ptr;
 250         const unsigned short *src = vram;
 251         int dstride = vout_width, h1 = h;
 252         int doffs;
 253
 254         if (vram == NULL) {
 255                 // blanking
 256                 memset(vout_buf_ptr, 0, dstride * h * 2);
 257                 goto out;
 258         }
 259
 260         doffs = (vout_height - h) * dstride;
 261         doffs += (dstride - w) / 2 & ~1;
 262         if (doffs != vout_doffs_old) {
 263                 // clear borders
 264                 memset(vout_buf_ptr, 0, dstride * h * 2);
 265                 vout_doffs_old = doffs;
 266         }
 267         dest += doffs;
 268
 269         if (bgr24)
 270         {
 271                 // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here?
 272                 for (; h1-- > 0; dest += dstride, src += stride)
 273                 {
 274                         bgr888_to_rgb565(dest, src, w * 3);
 275                 }
 276         }
 277         else
 278         {
 279                 for (; h1-- > 0; dest += dstride, src += stride)
 280                 {
 281                         bgr555_to_rgb565(dest, src, w * 2);
 282                 }
 283         }
 284
 285 out:
 286 #ifndef FRONTEND_SUPPORTS_RGB565
 287         convert(vout_buf_ptr, vout_width * vout_height * 2);
 288 #endif
 289         vout_fb_dirty = 1;
 290         pl_rearmed_cbs.flip_cnt++;
 291 }
 292
 293 #ifdef _3DS
 294 typedef struct
 295 {
 296    void* buffer;
 297    uint32_t target_map;
 298    size_t size;
 299    enum psxMapTag tag;
 300 }psx_map_t;
 301
 302 psx_map_t custom_psx_maps[] = {
 303    {NULL, 0x13000000, 0x210000, MAP_TAG_RAM},   // 0x80000000
 304    {NULL, 0x12800000, 0x010000, MAP_TAG_OTHER}, // 0x1f800000
 305    {NULL, 0x12c00000, 0x080000, MAP_TAG_OTHER}, // 0x1fc00000
 306    {NULL, 0x11000000, 0x800000, MAP_TAG_LUTS},  // 0x08000000
 307    {NULL, 0x12000000, 0x200000, MAP_TAG_VRAM},  // 0x00000000
 308 };
 309
 310 void* pl_3ds_mmap(unsigned long addr, size_t size, int is_fixed,
 311         enum psxMapTag tag)
 312 {
 313    (void)is_fixed;
 314    (void)addr;
 315
 316    if (__ctr_svchax)
 317    {
 318       psx_map_t* custom_map = custom_psx_maps;
 319
 320       for (; custom_map->size; custom_map++)
 321       {
 322          if ((custom_map->size == size) && (custom_map->tag == tag))
 323          {
 324             uint32_t ptr_aligned, tmp;
 325
 326             custom_map->buffer = malloc(size + 0x1000);
 327             ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
 328
 329             if(svcControlMemory(&tmp, (void*)custom_map->target_map, (void*)ptr_aligned, size, MEMOP_MAP, 0x3) < 0)
 330             {
 331                SysPrintf("could not map memory @0x%08X\n", custom_map->target_map);
 332                exit(1);
 333             }
 334
 335             return (void*)custom_map->target_map;
 336          }
 337       }
 338    }
 339
 340    return malloc(size);
 341 }
 342
 343 void pl_3ds_munmap(void *ptr, size_t size, enum psxMapTag tag)
 344 {
 345    (void)tag;
 346
 347    if (__ctr_svchax)
 348    {
 349       psx_map_t* custom_map = custom_psx_maps;
 350
 351       for (; custom_map->size; custom_map++)
 352       {
 353          if ((custom_map->target_map == (uint32_t)ptr))
 354          {
 355             uint32_t ptr_aligned, tmp;
 356
 357             ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
 358
 359             svcControlMemory(&tmp, (void*)custom_map->target_map, (void*)ptr_aligned, size, MEMOP_UNMAP, 0x3);
 360
 361             free(custom_map->buffer);
 362             custom_map->buffer = NULL;
 363             return;
 364          }
 365       }
 366    }
 367
 368    free(ptr);
 369 }
 370 #endif
 371
 372 #ifdef VITA
 373 typedef struct
 374 {
 375    void* buffer;
 376    uint32_t target_map;
 377    size_t size;
 378    enum psxMapTag tag;
 379 }psx_map_t;
 380
 381 void* addr = NULL;
 382
 383 psx_map_t custom_psx_maps[] = {
 384    {NULL, NULL, 0x210000, MAP_TAG_RAM},   // 0x80000000
 385    {NULL, NULL, 0x010000, MAP_TAG_OTHER}, // 0x1f800000
 386    {NULL, NULL, 0x080000, MAP_TAG_OTHER}, // 0x1fc00000
 387    {NULL, NULL, 0x800000, MAP_TAG_LUTS},  // 0x08000000
 388    {NULL, NULL, 0x200000, MAP_TAG_VRAM},  // 0x00000000
 389 };
 390
 391 int init_vita_mmap(){
 392   int n;
 393   void * tmpaddr;
 394   addr = malloc(64*1024*1024);
 395   if(addr==NULL)
 396     return -1;
 397   tmpaddr = ((u32)(addr+0xFFFFFF))&~0xFFFFFF;
 398   custom_psx_maps[0].buffer=tmpaddr+0x2000000;
 399   custom_psx_maps[1].buffer=tmpaddr+0x1800000;
 400   custom_psx_maps[2].buffer=tmpaddr+0x1c00000;
 401   custom_psx_maps[3].buffer=tmpaddr+0x0000000;
 402   custom_psx_maps[4].buffer=tmpaddr+0x1000000;
 403 #if 0
 404   for(n = 0; n < 5; n++){
 405     sceClibPrintf("addr reserved %x\n",custom_psx_maps[n].buffer);
 406   }
 407 #endif
 408   return 0;
 409 }
 410
 411 void deinit_vita_mmap(){
 412   free(addr);
 413 }
 414
 415 void* pl_vita_mmap(unsigned long addr, size_t size, int is_fixed,
 416         enum psxMapTag tag)
 417 {
 418    (void)is_fixed;
 419    (void)addr;
 420
 421
 422     psx_map_t* custom_map = custom_psx_maps;
 423
 424     for (; custom_map->size; custom_map++)
 425     {
 426        if ((custom_map->size == size) && (custom_map->tag == tag))
 427        {
 428           return custom_map->buffer;
 429        }
 430     }
 431
 432
 433    return malloc(size);
 434 }
 435
 436 void pl_vita_munmap(void *ptr, size_t size, enum psxMapTag tag)
 437 {
 438    (void)tag;
 439
 440    psx_map_t* custom_map = custom_psx_maps;
 441
 442   for (; custom_map->size; custom_map++)
 443   {
 444      if ((custom_map->buffer == ptr))
 445      {
 446         return;
 447      }
 448   }
 449
 450    free(ptr);
 451 }
 452 #endif
 453
 454 static void *pl_mmap(unsigned int size)
 455 {
 456         return psxMap(0, size, 0, MAP_TAG_VRAM);
 457 }
 458
 459 static void pl_munmap(void *ptr, unsigned int size)
 460 {
 461         psxUnmap(ptr, size, MAP_TAG_VRAM);
 462 }
 463
 464 struct rearmed_cbs pl_rearmed_cbs = {
 465         .pl_vout_open = vout_open,
 466         .pl_vout_set_mode = vout_set_mode,
 467         .pl_vout_flip = vout_flip,
 468         .pl_vout_close = vout_close,
 469         .mmap = pl_mmap,
 470         .munmap = pl_munmap,
 471         /* from psxcounters */
 472         .gpu_hcnt = &hSyncCount,
 473         .gpu_frame_count = &frame_counter,
 474 };
 475
 476 void pl_frame_limit(void)
 477 {
 478         /* called once per frame, make psxCpu->Execute() above return */
 479         stop = 1;
 480 }
 481
 482 void pl_timing_prepare(int is_pal)
 483 {
 484         is_pal_mode = is_pal;
 485 }
 486
 487 void plat_trigger_vibrate(int pad, int low, int high)
 488 {
 489         if (!rumble_cb)
 490                 return;
 491
 492         if (in_enable_vibration)
 493         {
 494                 rumble_cb(pad, RETRO_RUMBLE_STRONG, high << 8);
 495                 rumble_cb(pad, RETRO_RUMBLE_WEAK, low ? 0xffff : 0x0);
 496     }
 497 }
 498
 499 void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in)
 500 {
 501 }
 502
 503 /* sound calls */
 504 static void snd_feed(void *buf, int bytes)
 505 {
 506         if (audio_batch_cb != NULL)
 507                 audio_batch_cb(buf, bytes / 4);
 508 }
 509
 510 void out_register_libretro(struct out_driver *drv)
 511 {
 512         drv->name = "libretro";
 513         drv->init = snd_init;
 514         drv->finish = snd_finish;
 515         drv->busy = snd_busy;
 516         drv->feed = snd_feed;
 517 }
 518
 519 /* libretro */
 520 void retro_set_environment(retro_environment_t cb)
 521 {
 522    environ_cb = cb;
 523
 524    if (cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &logging))
 525       log_cb = logging.log;
 526
 527    libretro_set_core_options(environ_cb);
 528 }
 529
 530 void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
 531 void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
 532 void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
 533 void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
 534 void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
 535
 536 unsigned retro_api_version(void)
 537 {
 538         return RETRO_API_VERSION;
 539 }
 540
 541 static int controller_port_variable(unsigned port, struct retro_variable *var)
 542 {
 543         if (port >= PORTS_NUMBER)
 544                 return 0;
 545
 546         if (!environ_cb)
 547                 return 0;
 548
 549         var->value = NULL;
 550         switch (port) {
 551         case 0:
 552                 var->key = "pcsx_rearmed_pad1type";
 553                 break;
 554         case 1:
 555                 var->key = "pcsx_rearmed_pad2type";
 556                 break;
 557         case 2:
 558                 var->key = "pcsx_rearmed_pad3type";
 559                 break;
 560         case 3:
 561                 var->key = "pcsx_rearmed_pad4type";
 562                 break;
 563         case 4:
 564                 var->key = "pcsx_rearmed_pad5type";
 565                 break;
 566         case 5:
 567                 var->key = "pcsx_rearmed_pad6type";
 568                 break;
 569         case 6:
 570                 var->key = "pcsx_rearmed_pad7type";
 571                 break;
 572         case 7:
 573                 var->key = "pcsx_rearmed_pad8type";
 574                 break;
 575         }
 576
 577         return environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, var) || var->value;
 578 }
 579
 580 static void update_controller_port_variable(unsigned port)
 581 {
 582         if (port >= PORTS_NUMBER)
 583                 return;
 584
 585         struct retro_variable var;
 586
 587         if (controller_port_variable(port, &var))
 588         {
 589                 if (strcmp(var.value, "standard") == 0)
 590                         in_type[port] = PSE_PAD_TYPE_STANDARD;
 591                 else if (strcmp(var.value, "analog") == 0)
 592                         in_type[port] = PSE_PAD_TYPE_ANALOGJOY;
 593                 else if (strcmp(var.value, "dualshock") == 0)
 594                         in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
 595                 else if (strcmp(var.value, "negcon") == 0)
 596                         in_type[port] = PSE_PAD_TYPE_NEGCON;
 597                 else if (strcmp(var.value, "guncon") == 0)
 598                         in_type[port] = PSE_PAD_TYPE_GUNCON;
 599                 else if (strcmp(var.value, "none") == 0)
 600                         in_type[port] = PSE_PAD_TYPE_NONE;
 601                 // else 'default' case, do nothing
 602         }
 603 }
 604
 605 static void update_controller_port_device(unsigned port, unsigned device)
 606 {
 607         if (port >= PORTS_NUMBER)
 608                 return;
 609
 610         struct retro_variable var;
 611
 612         if (!controller_port_variable(port, &var))
 613                 return;
 614
 615         if (strcmp(var.value, "default") != 0)
 616                 return;
 617
 618         switch (device)
 619         {
 620         case RETRO_DEVICE_JOYPAD:
 621                 in_type[port] = PSE_PAD_TYPE_STANDARD;
 622                 break;
 623         case RETRO_DEVICE_ANALOG:
 624                 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
 625                 break;
 626         case RETRO_DEVICE_MOUSE:
 627                 in_type[port] = PSE_PAD_TYPE_MOUSE;
 628                 break;
 629         case RETRO_DEVICE_LIGHTGUN:
 630                 in_type[port] = PSE_PAD_TYPE_GUN;
 631                 break;
 632         case RETRO_DEVICE_NONE:
 633         default:
 634                 in_type[port] = PSE_PAD_TYPE_NONE;
 635         }
 636 }
 637
 638 static void update_multitap()
 639 {
 640         struct retro_variable var;
 641         int auto_case, port;
 642
 643         var.value = NULL;
 644         var.key = "pcsx_rearmed_multitap1";
 645         auto_case = 0;
 646         if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value))
 647         {
 648                 if (strcmp(var.value, "enabled") == 0)
 649                         multitap1 = 1;
 650                 else if (strcmp(var.value, "disabled") == 0)
 651                         multitap1 = 0;
 652                 else // 'auto' case
 653                         auto_case = 1;
 654         }
 655         else
 656                 auto_case = 1;
 657
 658         if (auto_case)
 659         {
 660                 // If a gamepad is plugged after port 2, we need a first multitap.
 661                 multitap1 = 0;
 662                 for (port = 2; port < PORTS_NUMBER; port++)
 663                         multitap1 |= in_type[port] != PSE_PAD_TYPE_NONE;
 664         }
 665
 666         var.value = NULL;
 667         var.key = "pcsx_rearmed_multitap2";
 668         auto_case = 0;
 669         if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value))
 670         {
 671                 if (strcmp(var.value, "enabled") == 0)
 672                         multitap2 = 1;
 673                 else if (strcmp(var.value, "disabled") == 0)
 674                         multitap2 = 0;
 675                 else // 'auto' case
 676                         auto_case = 1;
 677         }
 678         else
 679                 auto_case = 1;
 680
 681         if (auto_case)
 682         {
 683                 // If a gamepad is plugged after port 4, we need a second multitap.
 684                 multitap2 = 0;
 685                 for (port = 4; port < PORTS_NUMBER; port++)
 686                         multitap2 |= in_type[port] != PSE_PAD_TYPE_NONE;
 687         }
 688 }
 689
 690 void retro_set_controller_port_device(unsigned port, unsigned device)
 691 {
 692         SysPrintf("port %u  device %u",port,device);
 693
 694         if (port >= PORTS_NUMBER)
 695                 return;
 696
 697         update_controller_port_device(port, device);
 698         update_multitap();
 699 }
 700
 701 void retro_get_system_info(struct retro_system_info *info)
 702 {
 703         memset(info, 0, sizeof(*info));
 704         info->library_name = "PCSX-ReARMed";
 705 #ifndef GIT_VERSION
 706 #define GIT_VERSION ""
 707 #endif
 708         info->library_version = "r22" GIT_VERSION;
 709         info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u|chd";
 710         info->need_fullpath = true;
 711 }
 712
 713 void retro_get_system_av_info(struct retro_system_av_info *info)
 714 {
 715
 716         unsigned geom_height = vout_height > 0 ? vout_height : 240;
 717         unsigned geom_width = vout_width > 0 ? vout_width : 320;
 718
 719         memset(info, 0, sizeof(*info));
 720         info->timing.fps            = is_pal_mode ? 50 : 60;
 721         info->timing.sample_rate    = 44100;
 722         info->geometry.base_width   = geom_width;
 723         info->geometry.base_height  = geom_height;
 724         info->geometry.max_width    = VOUT_MAX_WIDTH;
 725         info->geometry.max_height   = VOUT_MAX_HEIGHT;
 726         info->geometry.aspect_ratio = 4.0 / 3.0;
 727 }
 728
 729 /* savestates */
 730 size_t retro_serialize_size(void)
 731 {
 732         // it's currently 4380651-4397047 bytes,
 733         // but have some reserved for future
 734         return 0x440000;
 735 }
 736
 737 struct save_fp {
 738         char *buf;
 739         size_t pos;
 740         int is_write;
 741 };
 742
 743 static void *save_open(const char *name, const char *mode)
 744 {
 745         struct save_fp *fp;
 746
 747         if (name == NULL || mode == NULL)
 748                 return NULL;
 749
 750         fp = malloc(sizeof(*fp));
 751         if (fp == NULL)
 752                 return NULL;
 753
 754         fp->buf = (char *)name;
 755         fp->pos = 0;
 756         fp->is_write = (mode[0] == 'w' || mode[1] == 'w');
 757
 758         return fp;
 759 }
 760
 761 static int save_read(void *file, void *buf, u32 len)
 762 {
 763         struct save_fp *fp = file;
 764         if (fp == NULL || buf == NULL)
 765                 return -1;
 766
 767         memcpy(buf, fp->buf + fp->pos, len);
 768         fp->pos += len;
 769         return len;
 770 }
 771
 772 static int save_write(void *file, const void *buf, u32 len)
 773 {
 774         struct save_fp *fp = file;
 775         if (fp == NULL || buf == NULL)
 776                 return -1;
 777
 778         memcpy(fp->buf + fp->pos, buf, len);
 779         fp->pos += len;
 780         return len;
 781 }
 782
 783 static long save_seek(void *file, long offs, int whence)
 784 {
 785         struct save_fp *fp = file;
 786         if (fp == NULL)
 787                 return -1;
 788
 789         switch (whence) {
 790         case SEEK_CUR:
 791                 fp->pos += offs;
 792                 return fp->pos;
 793         case SEEK_SET:
 794                 fp->pos = offs;
 795                 return fp->pos;
 796         default:
 797                 return -1;
 798         }
 799 }
 800
 801 static void save_close(void *file)
 802 {
 803         struct save_fp *fp = file;
 804         size_t r_size = retro_serialize_size();
 805         if (fp == NULL)
 806                 return;
 807
 808         if (fp->pos > r_size)
 809                 SysPrintf("ERROR: save buffer overflow detected\n");
 810         else if (fp->is_write && fp->pos < r_size)
 811                 // make sure we don't save trash in leftover space
 812                 memset(fp->buf + fp->pos, 0, r_size - fp->pos);
 813         free(fp);
 814 }
 815
 816 bool retro_serialize(void *data, size_t size)
 817 {
 818         int ret = SaveState(data);
 819         return ret == 0 ? true : false;
 820 }
 821
 822 bool retro_unserialize(const void *data, size_t size)
 823 {
 824         int ret = LoadState(data);
 825         return ret == 0 ? true : false;
 826 }
 827
 828 /* cheats */
 829 void retro_cheat_reset(void)
 830 {
 831         ClearAllCheats();
 832 }
 833
 834 void retro_cheat_set(unsigned index, bool enabled, const char *code)
 835 {
 836         char buf[256];
 837         int ret;
 838
 839         // cheat funcs are destructive, need a copy..
 840         strncpy(buf, code, sizeof(buf));
 841         buf[sizeof(buf) - 1] = 0;
 842
 843         //Prepare buffered cheat for PCSX's AddCheat fucntion.
 844         int cursor=0;
 845         int nonhexdec=0;
 846         while (buf[cursor]){
 847                 if (!(ISHEXDEC)){
 848                         if (++nonhexdec%2){
 849                                 buf[cursor]=' ';
 850                         } else {
 851                                 buf[cursor]='\n';
 852                         }
 853                 }
 854                 cursor++;
 855         }
 856
 857
 858         if (index < NumCheats)
 859                 ret = EditCheat(index, "", buf);
 860         else
 861                 ret = AddCheat("", buf);
 862
 863         if (ret != 0)
 864                 SysPrintf("Failed to set cheat %#u\n", index);
 865         else if (index < NumCheats)
 866                 Cheats[index].Enabled = enabled;
 867 }
 868
 869 // just in case, maybe a win-rt port in the future?
 870 #ifdef _WIN32
 871 #define SLASH '\\'
 872 #else
 873 #define SLASH '/'
 874 #endif
 875
 876 #ifndef PATH_MAX
 877 #define PATH_MAX  4096
 878 #endif
 879
 880 /* multidisk support */
 881 static unsigned int disk_initial_index;
 882 static char disk_initial_path[PATH_MAX];
 883 static bool disk_ejected;
 884 static unsigned int disk_current_index;
 885 static unsigned int disk_count;
 886 static struct disks_state {
 887         char *fname;
 888         char *flabel;
 889         int internal_index; // for multidisk eboots
 890 } disks[8];
 891
 892 static void get_disk_label(char *disk_label, const char *disk_path, size_t len)
 893 {
 894         const char *base = NULL;
 895
 896         if (!disk_path || (*disk_path == '\0'))
 897                 return;
 898
 899         base = strrchr(disk_path, SLASH);
 900         if (!base)
 901                 base = disk_path;
 902
 903         if (*base == SLASH)
 904                 base++;
 905
 906         strncpy(disk_label, base, len - 1);
 907         disk_label[len - 1] = '\0';
 908
 909         char *ext = strrchr(disk_label, '.');
 910         if (ext)
 911                 *ext = '\0';
 912 }
 913
 914 static void disk_init(void)
 915 {
 916         size_t i;
 917
 918         disk_ejected       = false;
 919         disk_current_index = 0;
 920         disk_count         = 0;
 921
 922         for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++) {
 923                 if (disks[i].fname != NULL) {
 924                         free(disks[i].fname);
 925                         disks[i].fname = NULL;
 926                 }
 927                 if (disks[i].flabel != NULL) {
 928                         free(disks[i].flabel);
 929                         disks[i].flabel = NULL;
 930                 }
 931                 disks[i].internal_index = 0;
 932         }
 933 }
 934
 935 static bool disk_set_eject_state(bool ejected)
 936 {
 937         // weird PCSX API..
 938         SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2));
 939         LidInterrupt();
 940
 941         disk_ejected = ejected;
 942         return true;
 943 }
 944
 945 static bool disk_get_eject_state(void)
 946 {
 947         /* can't be controlled by emulated software */
 948         return disk_ejected;
 949 }
 950
 951 static unsigned int disk_get_image_index(void)
 952 {
 953         return disk_current_index;
 954 }
 955
 956 static bool disk_set_image_index(unsigned int index)
 957 {
 958         if (index >= sizeof(disks) / sizeof(disks[0]))
 959                 return false;
 960
 961         CdromId[0] = '\0';
 962         CdromLabel[0] = '\0';
 963
 964         if (disks[index].fname == NULL) {
 965                 SysPrintf("missing disk #%u\n", index);
 966                 CDR_shutdown();
 967
 968                 // RetroArch specifies "no disk" with index == count,
 969                 // so don't fail here..
 970                 disk_current_index = index;
 971                 return true;
 972         }
 973
 974         SysPrintf("switching to disk %u: \"%s\" #%d\n", index,
 975                 disks[index].fname, disks[index].internal_index);
 976
 977         cdrIsoMultidiskSelect = disks[index].internal_index;
 978         set_cd_image(disks[index].fname);
 979         if (ReloadCdromPlugin() < 0) {
 980                 SysPrintf("failed to load cdr plugin\n");
 981                 return false;
 982         }
 983         if (CDR_open() < 0) {
 984                 SysPrintf("failed to open cdr plugin\n");
 985                 return false;
 986         }
 987
 988         if (!disk_ejected) {
 989                 SetCdOpenCaseTime(time(NULL) + 2);
 990                 LidInterrupt();
 991         }
 992
 993         disk_current_index = index;
 994         return true;
 995 }
 996
 997 static unsigned int disk_get_num_images(void)
 998 {
 999         return disk_count;
1000 }
1001
1002 static bool disk_replace_image_index(unsigned index,
1003         const struct retro_game_info *info)
1004 {
1005         char *old_fname  = NULL;
1006         char *old_flabel = NULL;
1007         bool ret         = true;
1008
1009         if (index >= sizeof(disks) / sizeof(disks[0]))
1010                 return false;
1011
1012         old_fname  = disks[index].fname;
1013         old_flabel = disks[index].flabel;
1014
1015         disks[index].fname          = NULL;
1016         disks[index].flabel         = NULL;
1017         disks[index].internal_index = 0;
1018
1019         if (info != NULL) {
1020                 char disk_label[PATH_MAX];
1021                 disk_label[0] = '\0';
1022
1023                 disks[index].fname = strdup(info->path);
1024
1025                 get_disk_label(disk_label, info->path, PATH_MAX);
1026                 disks[index].flabel = strdup(disk_label);
1027
1028                 if (index == disk_current_index)
1029                         ret = disk_set_image_index(index);
1030         }
1031
1032         if (old_fname != NULL)
1033                 free(old_fname);
1034
1035         if (old_flabel != NULL)
1036                 free(old_flabel);
1037
1038         return ret;
1039 }
1040
1041 static bool disk_add_image_index(void)
1042 {
1043         if (disk_count >= 8)
1044                 return false;
1045
1046         disk_count++;
1047         return true;
1048 }
1049
1050 static bool disk_set_initial_image(unsigned index, const char *path)
1051 {
1052         if (index >= sizeof(disks) / sizeof(disks[0]))
1053                 return false;
1054
1055         if (!path || (*path == '\0'))
1056                 return false;
1057
1058         disk_initial_index = index;
1059
1060         strncpy(disk_initial_path, path, sizeof(disk_initial_path) - 1);
1061         disk_initial_path[sizeof(disk_initial_path) - 1] = '\0';
1062
1063         return true;
1064 }
1065
1066 static bool disk_get_image_path(unsigned index, char *path, size_t len)
1067 {
1068         const char *fname = NULL;
1069
1070         if (len < 1)
1071                 return false;
1072
1073         if (index >= sizeof(disks) / sizeof(disks[0]))
1074                 return false;
1075
1076         fname = disks[index].fname;
1077
1078         if (!fname || (*fname == '\0'))
1079                 return false;
1080
1081         strncpy(path, fname, len - 1);
1082         path[len - 1] = '\0';
1083
1084         return true;
1085 }
1086
1087 static bool disk_get_image_label(unsigned index, char *label, size_t len)
1088 {
1089         const char *flabel = NULL;
1090
1091         if (len < 1)
1092                 return false;
1093
1094         if (index >= sizeof(disks) / sizeof(disks[0]))
1095                 return false;
1096
1097         flabel = disks[index].flabel;
1098
1099         if (!flabel || (*flabel == '\0'))
1100                 return false;
1101
1102         strncpy(label, flabel, len - 1);
1103         label[len - 1] = '\0';
1104
1105         return true;
1106 }
1107
1108 static struct retro_disk_control_callback disk_control = {
1109         .set_eject_state = disk_set_eject_state,
1110         .get_eject_state = disk_get_eject_state,
1111         .get_image_index = disk_get_image_index,
1112         .set_image_index = disk_set_image_index,
1113         .get_num_images = disk_get_num_images,
1114         .replace_image_index = disk_replace_image_index,
1115         .add_image_index = disk_add_image_index,
1116 };
1117
1118 static struct retro_disk_control_ext_callback disk_control_ext = {
1119         .set_eject_state = disk_set_eject_state,
1120         .get_eject_state = disk_get_eject_state,
1121         .get_image_index = disk_get_image_index,
1122         .set_image_index = disk_set_image_index,
1123         .get_num_images = disk_get_num_images,
1124         .replace_image_index = disk_replace_image_index,
1125         .add_image_index = disk_add_image_index,
1126         .set_initial_image = disk_set_initial_image,
1127         .get_image_path = disk_get_image_path,
1128         .get_image_label = disk_get_image_label,
1129 };
1130
1131 static char base_dir[1024];
1132
1133 static bool read_m3u(const char *file)
1134 {
1135         char line[1024];
1136         char name[PATH_MAX];
1137         FILE *f = fopen(file, "r");
1138         if (!f)
1139                 return false;
1140
1141         while (fgets(line, sizeof(line), f) && disk_count < sizeof(disks) / sizeof(disks[0])) {
1142                 if (line[0] == '#')
1143                         continue;
1144                 char *carrige_return = strchr(line, '\r');
1145                 if (carrige_return)
1146                         *carrige_return = '\0';
1147                 char *newline = strchr(line, '\n');
1148                 if (newline)
1149                         *newline = '\0';
1150
1151                 if (line[0] != '\0')
1152                 {
1153                         char disk_label[PATH_MAX];
1154                         disk_label[0] = '\0';
1155
1156                         snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
1157                         disks[disk_count].fname = strdup(name);
1158
1159                         get_disk_label(disk_label, name, PATH_MAX);
1160                         disks[disk_count].flabel = strdup(disk_label);
1161
1162                         disk_count++;
1163                 }
1164         }
1165
1166         fclose(f);
1167         return (disk_count != 0);
1168 }
1169
1170 static void extract_directory(char *buf, const char *path, size_t size)
1171 {
1172    char *base;
1173    strncpy(buf, path, size - 1);
1174    buf[size - 1] = '\0';
1175
1176    base = strrchr(buf, '/');
1177    if (!base)
1178       base = strrchr(buf, '\\');
1179
1180    if (base)
1181       *base = '\0';
1182    else
1183    {
1184       buf[0] = '.';
1185       buf[1] = '\0';
1186    }
1187 }
1188
1189 #if defined(__QNX__) || defined(_WIN32)
1190 /* Blackberry QNX doesn't have strcasestr */
1191
1192 /*
1193  * Find the first occurrence of find in s, ignore case.
1194  */
1195 char *
1196 strcasestr(const char *s, const char*find)
1197 {
1198         char c, sc;
1199         size_t len;
1200
1201         if ((c = *find++) != 0) {
1202                 c = tolower((unsigned char)c);
1203                 len = strlen(find);
1204                 do {
1205                         do {
1206                                 if ((sc = *s++) == 0)
1207                                         return (NULL);
1208                         } while ((char)tolower((unsigned char)sc) != c);
1209                 } while (strncasecmp(s, find, len) != 0);
1210                 s--;
1211         }
1212         return ((char *)s);
1213 }
1214 #endif
1215
1216 static void set_retro_memmap(void)
1217 {
1218         struct retro_memory_map retromap = { 0 };
1219         struct retro_memory_descriptor mmap =
1220         {
1221                 0, psxM, 0, 0, 0, 0, 0x200000
1222         };
1223
1224         retromap.descriptors = &mmap;
1225         retromap.num_descriptors = 1;
1226
1227     environ_cb(RETRO_ENVIRONMENT_SET_MEMORY_MAPS, &retromap);
1228 }
1229
1230 bool retro_load_game(const struct retro_game_info *info)
1231 {
1232         size_t i;
1233         unsigned int cd_index = 0;
1234         bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
1235
1236    struct retro_input_descriptor desc[] = {
1237       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT,  "D-Pad Left" },
1238       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP,    "D-Pad Up" },
1239       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN,  "D-Pad Down" },
1240       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1241       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B,     "Cross" },
1242       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A,     "Circle" },
1243       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X,     "Triangle" },
1244       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y,     "Square" },
1245       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L,     "L1" },
1246       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2,    "L2" },
1247       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3,    "L3" },
1248       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R,     "R1" },
1249       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2,    "R2" },
1250       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3,    "R3" },
1251       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,    "Select" },
1252       { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START,    "Start" },
1253       { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1254       { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1255       { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1256       { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1257
1258
1259       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT,  "D-Pad Left" },
1260       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP,    "D-Pad Up" },
1261       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN,  "D-Pad Down" },
1262       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1263       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B,     "Cross" },
1264       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A,     "Circle" },
1265       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X,     "Triangle" },
1266       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y,     "Square" },
1267       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L,     "L1" },
1268       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2,    "L2" },
1269       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3,    "L3" },
1270       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R,     "R1" },
1271       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2,    "R2" },
1272       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3,    "R3" },
1273       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,    "Select" },
1274       { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START,    "Start" },
1275       { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1276       { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1277       { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1278       { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1279
1280       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT,  "D-Pad Left" },
1281       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP,    "D-Pad Up" },
1282       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN,  "D-Pad Down" },
1283       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1284       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B,     "Cross" },
1285       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A,     "Circle" },
1286       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X,     "Triangle" },
1287       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y,     "Square" },
1288       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L,     "L1" },
1289       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2,    "L2" },
1290       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3,    "L3" },
1291       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R,     "R1" },
1292       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2,    "R2" },
1293       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3,    "R3" },
1294       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,    "Select" },
1295       { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START,    "Start" },
1296       { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1297       { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1298       { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1299       { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1300
1301       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT,  "D-Pad Left" },
1302       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP,    "D-Pad Up" },
1303       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN,  "D-Pad Down" },
1304       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1305       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B,     "Cross" },
1306       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A,     "Circle" },
1307       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X,     "Triangle" },
1308       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y,     "Square" },
1309       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L,     "L1" },
1310       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2,    "L2" },
1311       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3,    "L3" },
1312       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R,     "R1" },
1313       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2,    "R2" },
1314       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3,    "R3" },
1315       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,    "Select" },
1316       { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START,    "Start" },
1317       { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1318       { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1319       { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1320       { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1321
1322       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT,  "D-Pad Left" },
1323       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP,    "D-Pad Up" },
1324       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN,  "D-Pad Down" },
1325       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1326       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B,     "Cross" },
1327       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A,     "Circle" },
1328       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X,     "Triangle" },
1329       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y,     "Square" },
1330       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L,     "L1" },
1331       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2,    "L2" },
1332       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3,    "L3" },
1333       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R,     "R1" },
1334       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2,    "R2" },
1335       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3,    "R3" },
1336       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,    "Select" },
1337       { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START,    "Start" },
1338       { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1339       { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1340       { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1341       { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1342
1343       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT,  "D-Pad Left" },
1344       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP,    "D-Pad Up" },
1345       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN,  "D-Pad Down" },
1346       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1347       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B,     "Cross" },
1348       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A,     "Circle" },
1349       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X,     "Triangle" },
1350       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y,     "Square" },
1351       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L,     "L1" },
1352       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2,    "L2" },
1353       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3,    "L3" },
1354       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R,     "R1" },
1355       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2,    "R2" },
1356       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3,    "R3" },
1357       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,    "Select" },
1358       { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START,    "Start" },
1359       { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1360       { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1361       { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1362       { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1363
1364       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT,  "D-Pad Left" },
1365       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP,    "D-Pad Up" },
1366       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN,  "D-Pad Down" },
1367       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1368       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B,     "Cross" },
1369       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A,     "Circle" },
1370       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X,     "Triangle" },
1371       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y,     "Square" },
1372       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L,     "L1" },
1373       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2,    "L2" },
1374       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3,    "L3" },
1375       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R,     "R1" },
1376       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2,    "R2" },
1377       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3,    "R3" },
1378       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,    "Select" },
1379       { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START,    "Start" },
1380       { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1381       { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1382       { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1383       { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1384
1385       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT,  "D-Pad Left" },
1386       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP,    "D-Pad Up" },
1387       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN,  "D-Pad Down" },
1388       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1389       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B,     "Cross" },
1390       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A,     "Circle" },
1391       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X,     "Triangle" },
1392       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y,     "Square" },
1393       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L,     "L1" },
1394       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2,    "L2" },
1395       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3,    "L3" },
1396       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R,     "R1" },
1397       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2,    "R2" },
1398       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3,    "R3" },
1399       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,    "Select" },
1400       { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START,    "Start" },
1401       { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1402       { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1403       { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1404       { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1405
1406       { 0 },
1407    };
1408
1409          frame_count = 0;
1410
1411    environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
1412
1413 #ifdef FRONTEND_SUPPORTS_RGB565
1414         enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
1415         if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) {
1416                 SysPrintf("RGB565 supported, using it\n");
1417         }
1418 #endif
1419
1420         if (info == NULL || info->path == NULL) {
1421                 SysPrintf("info->path required\n");
1422                 return false;
1423         }
1424
1425         if (plugins_opened) {
1426                 ClosePlugins();
1427                 plugins_opened = 0;
1428         }
1429
1430         disk_init();
1431
1432         extract_directory(base_dir, info->path, sizeof(base_dir));
1433
1434         if (is_m3u) {
1435                 if (!read_m3u(info->path)) {
1436                         log_cb(RETRO_LOG_INFO, "failed to read m3u file\n");
1437                         return false;
1438                 }
1439         } else {
1440                 char disk_label[PATH_MAX];
1441                 disk_label[0] = '\0';
1442
1443                 disk_count = 1;
1444                 disks[0].fname = strdup(info->path);
1445
1446                 get_disk_label(disk_label, info->path, PATH_MAX);
1447                 disks[0].flabel = strdup(disk_label);
1448         }
1449
1450         /* If this is an M3U file, attempt to set the
1451          * initial disk image */
1452         if (is_m3u &&
1453                  (disk_initial_index > 0) &&
1454                  (disk_initial_index < disk_count))     {
1455                 const char *fname = disks[disk_initial_index].fname;
1456
1457                 if (fname && (*fname != '\0'))
1458                         if (strcmp(disk_initial_path, fname) == 0)
1459                                 cd_index = disk_initial_index;
1460         }
1461
1462         set_cd_image(disks[cd_index].fname);
1463         disk_current_index = cd_index;
1464
1465         /* have to reload after set_cd_image for correct cdr plugin */
1466         if (LoadPlugins() == -1) {
1467                 log_cb(RETRO_LOG_INFO, "failed to load plugins\n");
1468                 return false;
1469         }
1470
1471         plugins_opened = 1;
1472         NetOpened = 0;
1473
1474         if (OpenPlugins() == -1) {
1475                 log_cb(RETRO_LOG_INFO, "failed to open plugins\n");
1476                 return false;
1477         }
1478
1479         /* Handle multi-disk images (i.e. PBP)
1480          * > Cannot do this until after OpenPlugins() is
1481          *   called (since this sets the value of
1482          *   cdrIsoMultidiskCount) */
1483         if (!is_m3u && (cdrIsoMultidiskCount > 1)) {
1484                 disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8;
1485
1486                 /* Small annoyance: We need to change the label
1487                  * of disk 0, so have to clear existing entries */
1488                 if (disks[0].fname != NULL)
1489                         free(disks[0].fname);
1490                 disks[0].fname = NULL;
1491
1492                 if (disks[0].flabel != NULL)
1493                         free(disks[0].flabel);
1494                 disks[0].flabel = NULL;
1495
1496                 for (i = 0; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++) {
1497                         char disk_name[PATH_MAX];
1498                         char disk_label[PATH_MAX];
1499                         disk_name[0]  = '\0';
1500                         disk_label[0] = '\0';
1501
1502                         disks[i].fname = strdup(info->path);
1503
1504                         get_disk_label(disk_name, info->path, PATH_MAX);
1505                         snprintf(disk_label, sizeof(disk_label), "%s #%u", disk_name, (unsigned)i + 1);
1506                         disks[i].flabel = strdup(disk_label);
1507
1508                         disks[i].internal_index = i;
1509                 }
1510
1511                 /* This is not an M3U file, so initial disk
1512                  * image has not yet been set - attempt to
1513                  * do so now */
1514                 if ((disk_initial_index > 0) &&
1515                          (disk_initial_index < disk_count))     {
1516                         const char *fname = disks[disk_initial_index].fname;
1517
1518                         if (fname && (*fname != '\0'))
1519                                 if (strcmp(disk_initial_path, fname) == 0)
1520                                         cd_index = disk_initial_index;
1521                 }
1522
1523                 if (cd_index > 0) {
1524                         CdromId[0]    = '\0';
1525                         CdromLabel[0] = '\0';
1526
1527                         cdrIsoMultidiskSelect = disks[cd_index].internal_index;
1528                         disk_current_index    = cd_index;
1529                         set_cd_image(disks[cd_index].fname);
1530
1531                         if (ReloadCdromPlugin() < 0) {
1532                                 log_cb(RETRO_LOG_INFO, "failed to reload cdr plugins\n");
1533                                 return false;
1534                         }
1535                         if (CDR_open() < 0) {
1536                                 log_cb(RETRO_LOG_INFO, "failed to open cdr plugin\n");
1537                                 return false;
1538                         }
1539                 }
1540         }
1541
1542         plugin_call_rearmed_cbs();
1543         dfinput_activate();
1544
1545         if (CheckCdrom() == -1) {
1546         log_cb(RETRO_LOG_INFO, "unsupported/invalid CD image: %s\n", info->path);
1547                 return false;
1548         }
1549
1550         SysReset();
1551
1552         if (LoadCdrom() == -1) {
1553                 log_cb(RETRO_LOG_INFO, "could not load CD\n");
1554                 return false;
1555         }
1556         emu_on_new_cd(0);
1557
1558         set_retro_memmap();
1559
1560         return true;
1561 }
1562
1563 unsigned retro_get_region(void)
1564 {
1565         return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
1566 }
1567
1568 void *retro_get_memory_data(unsigned id)
1569 {
1570         if (id == RETRO_MEMORY_SAVE_RAM)
1571                 return Mcd1Data;
1572         else if (id == RETRO_MEMORY_SYSTEM_RAM)
1573                 return psxM;
1574         else
1575                 return NULL;
1576 }
1577
1578 size_t retro_get_memory_size(unsigned id)
1579 {
1580         if (id == RETRO_MEMORY_SAVE_RAM)
1581                 return MCD_SIZE;
1582         else if (id == RETRO_MEMORY_SYSTEM_RAM)
1583                 return 0x200000;
1584         else
1585                 return 0;
1586 }
1587
1588 void retro_reset(void)
1589 {
1590    //hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
1591    rebootemu = 1;
1592         //SysReset();
1593 }
1594
1595 static const unsigned short retro_psx_map[] = {
1596         [RETRO_DEVICE_ID_JOYPAD_B]      = 1 << DKEY_CROSS,
1597         [RETRO_DEVICE_ID_JOYPAD_Y]      = 1 << DKEY_SQUARE,
1598         [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT,
1599         [RETRO_DEVICE_ID_JOYPAD_START]  = 1 << DKEY_START,
1600         [RETRO_DEVICE_ID_JOYPAD_UP]     = 1 << DKEY_UP,
1601         [RETRO_DEVICE_ID_JOYPAD_DOWN]   = 1 << DKEY_DOWN,
1602         [RETRO_DEVICE_ID_JOYPAD_LEFT]   = 1 << DKEY_LEFT,
1603         [RETRO_DEVICE_ID_JOYPAD_RIGHT]  = 1 << DKEY_RIGHT,
1604         [RETRO_DEVICE_ID_JOYPAD_A]      = 1 << DKEY_CIRCLE,
1605         [RETRO_DEVICE_ID_JOYPAD_X]      = 1 << DKEY_TRIANGLE,
1606         [RETRO_DEVICE_ID_JOYPAD_L]      = 1 << DKEY_L1,
1607         [RETRO_DEVICE_ID_JOYPAD_R]      = 1 << DKEY_R1,
1608         [RETRO_DEVICE_ID_JOYPAD_L2]     = 1 << DKEY_L2,
1609         [RETRO_DEVICE_ID_JOYPAD_R2]     = 1 << DKEY_R2,
1610         [RETRO_DEVICE_ID_JOYPAD_L3]     = 1 << DKEY_L3,
1611         [RETRO_DEVICE_ID_JOYPAD_R3]     = 1 << DKEY_R3,
1612 };
1613 #define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
1614
1615 static void update_variables(bool in_flight)
1616 {
1617    struct retro_variable var;
1618    int i;
1619 #ifdef GPU_PEOPS
1620    int gpu_peops_fix = 0;
1621 #endif
1622
1623    var.value = NULL;
1624    var.key = "pcsx_rearmed_frameskip";
1625    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1626       pl_rearmed_cbs.frameskip = atoi(var.value);
1627
1628    var.value = NULL;
1629    var.key = "pcsx_rearmed_region";
1630    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1631    {
1632       Config.PsxAuto = 0;
1633       if (strcmp(var.value, "auto") == 0)
1634          Config.PsxAuto = 1;
1635       else if (strcmp(var.value, "NTSC") == 0)
1636          Config.PsxType = 0;
1637       else if (strcmp(var.value, "PAL") == 0)
1638          Config.PsxType = 1;
1639    }
1640
1641    for (i = 0; i < PORTS_NUMBER; i++)
1642       update_controller_port_variable(i);
1643
1644    update_multitap();
1645
1646    var.value = NULL;
1647    var.key = "pcsx_rearmed_negcon_deadzone";
1648    negcon_deadzone = 0;
1649    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1650    {
1651       negcon_deadzone = (int)(atoi(var.value) * 0.01f * NEGCON_RANGE);
1652    }
1653
1654    var.value = NULL;
1655    var.key = "pcsx_rearmed_negcon_response";
1656    negcon_linearity = 1;
1657    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1658    {
1659       if (strcmp(var.value, "quadratic") == 0){
1660          negcon_linearity = 2;
1661       } else if (strcmp(var.value, "cubic") == 0){
1662          negcon_linearity = 3;
1663       }
1664    }
1665
1666    var.value = NULL;
1667    var.key = "pcsx_rearmed_analog_axis_modifier";
1668    axis_bounds_modifier = true;
1669    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1670    {
1671       if (strcmp(var.value, "square") == 0) {
1672         axis_bounds_modifier = true;
1673           } else if (strcmp(var.value, "circle") == 0) {
1674         axis_bounds_modifier = false;
1675           }
1676    }
1677
1678    var.value = NULL;
1679    var.key = "pcsx_rearmed_vibration";
1680
1681    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1682    {
1683       if (strcmp(var.value, "disabled") == 0)
1684          in_enable_vibration = 0;
1685       else if (strcmp(var.value, "enabled") == 0)
1686          in_enable_vibration = 1;
1687    }
1688
1689    var.value = NULL;
1690    var.key = "pcsx_rearmed_dithering";
1691
1692    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1693    {
1694       if (strcmp(var.value, "disabled") == 0) {
1695          pl_rearmed_cbs.gpu_peops.iUseDither = 0;
1696          pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 0;
1697          pl_rearmed_cbs.gpu_unai.dithering = 0;
1698 #ifdef __ARM_NEON__
1699          pl_rearmed_cbs.gpu_neon.allow_dithering = 0;
1700 #endif
1701       }
1702       else if (strcmp(var.value, "enabled") == 0) {
1703          pl_rearmed_cbs.gpu_peops.iUseDither = 1;
1704          pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 1;
1705          pl_rearmed_cbs.gpu_unai.dithering = 1;
1706 #ifdef __ARM_NEON__
1707          pl_rearmed_cbs.gpu_neon.allow_dithering = 1;
1708 #endif
1709       }
1710    }
1711
1712 #ifdef GPU_NEON
1713    var.value = "NULL";
1714    var.key = "pcsx_rearmed_neon_interlace_enable";
1715
1716    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1717    {
1718       if (strcmp(var.value, "disabled") == 0)
1719          pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
1720       else if (strcmp(var.value, "enabled") == 0)
1721          pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
1722    }
1723
1724    var.value = NULL;
1725    var.key = "pcsx_rearmed_neon_enhancement_enable";
1726
1727    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1728    {
1729       if (strcmp(var.value, "disabled") == 0)
1730          pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
1731       else if (strcmp(var.value, "enabled") == 0)
1732          pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
1733    }
1734
1735    var.value = NULL;
1736    var.key = "pcsx_rearmed_neon_enhancement_no_main";
1737
1738    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1739    {
1740       if (strcmp(var.value, "disabled") == 0)
1741          pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
1742       else if (strcmp(var.value, "enabled") == 0)
1743          pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1;
1744    }
1745 #endif
1746
1747    var.value = "NULL";
1748    var.key = "pcsx_rearmed_duping_enable";
1749
1750    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1751    {
1752       if (strcmp(var.value, "disabled") == 0)
1753          duping_enable = false;
1754       else if (strcmp(var.value, "enabled") == 0)
1755          duping_enable = true;
1756    }
1757
1758    var.value = "NULL";
1759    var.key = "pcsx_rearmed_display_internal_fps";
1760
1761    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1762    {
1763       if (strcmp(var.value, "disabled") == 0)
1764          display_internal_fps = false;
1765       else if (strcmp(var.value, "enabled") == 0)
1766          display_internal_fps = true;
1767    }
1768
1769 #ifndef DRC_DISABLE
1770    var.value = NULL;
1771    var.key = "pcsx_rearmed_drc";
1772
1773    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1774    {
1775       R3000Acpu *prev_cpu = psxCpu;
1776 #if defined(LIGHTREC)
1777       bool can_use_dynarec = found_bios;
1778 #else
1779       bool can_use_dynarec = 1;
1780 #endif
1781
1782 #ifdef _3DS
1783       if(!__ctr_svchax)
1784          Config.Cpu = CPU_INTERPRETER;
1785       else
1786 #endif
1787       if (strcmp(var.value, "disabled") == 0 || !can_use_dynarec)
1788          Config.Cpu = CPU_INTERPRETER;
1789       else if (strcmp(var.value, "enabled") == 0)
1790          Config.Cpu = CPU_DYNAREC;
1791
1792       psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
1793       if (psxCpu != prev_cpu) {
1794          prev_cpu->Shutdown();
1795          psxCpu->Init();
1796          psxCpu->Reset(); // not really a reset..
1797       }
1798    }
1799 #endif
1800
1801    var.value = "NULL";
1802    var.key = "pcsx_rearmed_spu_reverb";
1803
1804    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1805    {
1806       if (strcmp(var.value, "disabled") == 0)
1807          spu_config.iUseReverb = false;
1808       else if (strcmp(var.value, "enabled") == 0)
1809          spu_config.iUseReverb = true;
1810    }
1811
1812    var.value = "NULL";
1813    var.key = "pcsx_rearmed_spu_interpolation";
1814
1815    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1816    {
1817       if (strcmp(var.value, "simple") == 0)
1818          spu_config.iUseInterpolation = 1;
1819       else if (strcmp(var.value, "gaussian") == 0)
1820          spu_config.iUseInterpolation = 2;
1821       else if (strcmp(var.value, "cubic") == 0)
1822          spu_config.iUseInterpolation = 3;
1823       else if (strcmp(var.value, "off") == 0)
1824          spu_config.iUseInterpolation = 0;
1825    }
1826
1827    var.value = "NULL";
1828    var.key = "pcsx_rearmed_pe2_fix";
1829
1830    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1831    {
1832       if (strcmp(var.value, "disabled") == 0)
1833          Config.RCntFix = 0;
1834       else if (strcmp(var.value, "enabled") == 0)
1835          Config.RCntFix = 1;
1836    }
1837
1838    var.value = "NULL";
1839    var.key = "pcsx_rearmed_idiablofix";
1840
1841    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1842    {
1843       if (strcmp(var.value, "disabled") == 0)
1844          spu_config.idiablofix = 0;
1845       else if (strcmp(var.value, "enabled") == 0)
1846          spu_config.idiablofix = 1;
1847    }
1848
1849    var.value = "NULL";
1850    var.key = "pcsx_rearmed_inuyasha_fix";
1851
1852    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1853    {
1854       if (strcmp(var.value, "disabled") == 0)
1855          Config.VSyncWA = 0;
1856       else if (strcmp(var.value, "enabled") == 0)
1857          Config.VSyncWA = 1;
1858    }
1859
1860 #ifndef _WIN32
1861    var.value = NULL;
1862    var.key = "pcsx_rearmed_async_cd";
1863    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1864    {
1865       if (strcmp(var.value, "async") == 0)
1866         Config.AsyncCD = 1;
1867       else
1868         Config.AsyncCD = 0;
1869    }
1870 #endif
1871
1872    var.value = NULL;
1873    var.key = "pcsx_rearmed_noxadecoding";
1874    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1875    {
1876       if (strcmp(var.value, "disabled") == 0)
1877          Config.Xa = 1;
1878       else
1879          Config.Xa = 0;
1880    }
1881
1882    var.value = NULL;
1883    var.key = "pcsx_rearmed_nocdaudio";
1884    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1885    {
1886       if (strcmp(var.value, "disabled") == 0)
1887          Config.Cdda = 1;
1888       else
1889          Config.Cdda = 0;
1890    }
1891
1892    var.value = NULL;
1893    var.key = "pcsx_rearmed_spuirq";
1894    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1895    {
1896       if (strcmp(var.value, "disabled") == 0)
1897          Config.SpuIrq = 0;
1898       else
1899          Config.SpuIrq = 1;
1900    }
1901
1902 #ifndef DRC_DISABLE
1903    var.value = NULL;
1904    var.key = "pcsx_rearmed_nosmccheck";
1905    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1906    {
1907       if (strcmp(var.value, "enabled") == 0)
1908          new_dynarec_hacks |= NDHACK_NO_SMC_CHECK;
1909       else
1910          new_dynarec_hacks &= ~NDHACK_NO_SMC_CHECK;
1911    }
1912
1913    var.value = NULL;
1914    var.key = "pcsx_rearmed_gteregsunneeded";
1915    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1916    {
1917       if (strcmp(var.value, "enabled") == 0)
1918          new_dynarec_hacks |= NDHACK_GTE_UNNEEDED;
1919       else
1920          new_dynarec_hacks &= ~NDHACK_GTE_UNNEEDED;
1921    }
1922
1923    var.value = NULL;
1924    var.key = "pcsx_rearmed_nogteflags";
1925    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1926    {
1927       if (strcmp(var.value, "enabled") == 0)
1928          new_dynarec_hacks |= NDHACK_GTE_NO_FLAGS;
1929       else
1930          new_dynarec_hacks &= ~NDHACK_GTE_NO_FLAGS;
1931    }
1932 #endif
1933
1934 #ifdef GPU_PEOPS
1935    var.value = "NULL";
1936    var.key = "pcsx_rearmed_gpu_peops_odd_even_bit";
1937
1938    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1939    {
1940       if (strcmp(var.value, "enabled") == 0)
1941          gpu_peops_fix |= GPU_PEOPS_ODD_EVEN_BIT;
1942    }
1943
1944    var.value = "NULL";
1945    var.key = "pcsx_rearmed_gpu_peops_expand_screen_width";
1946
1947    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1948    {
1949       if (strcmp(var.value, "enabled") == 0)
1950          gpu_peops_fix |= GPU_PEOPS_EXPAND_SCREEN_WIDTH;
1951    }
1952
1953    var.value = "NULL";
1954    var.key = "pcsx_rearmed_gpu_peops_ignore_brightness";
1955
1956    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1957    {
1958       if (strcmp(var.value, "enabled") == 0)
1959          gpu_peops_fix |= GPU_PEOPS_IGNORE_BRIGHTNESS;
1960    }
1961
1962    var.value = "NULL";
1963    var.key = "pcsx_rearmed_gpu_peops_disable_coord_check";
1964
1965    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1966    {
1967       if (strcmp(var.value, "enabled") == 0)
1968          gpu_peops_fix |= GPU_PEOPS_DISABLE_COORD_CHECK;
1969    }
1970
1971    var.value = "NULL";
1972    var.key = "pcsx_rearmed_gpu_peops_lazy_screen_update";
1973
1974    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1975    {
1976       if (strcmp(var.value, "enabled") == 0)
1977          gpu_peops_fix |= GPU_PEOPS_LAZY_SCREEN_UPDATE;
1978    }
1979
1980    var.value = "NULL";
1981    var.key = "pcsx_rearmed_gpu_peops_old_frame_skip";
1982
1983    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1984    {
1985       if (strcmp(var.value, "enabled") == 0)
1986          gpu_peops_fix |= GPU_PEOPS_OLD_FRAME_SKIP;
1987    }
1988
1989    var.value = "NULL";
1990    var.key = "pcsx_rearmed_gpu_peops_repeated_triangles";
1991
1992    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1993    {
1994       if (strcmp(var.value, "enabled") == 0)
1995          gpu_peops_fix |= GPU_PEOPS_REPEATED_TRIANGLES;
1996    }
1997
1998    var.value = "NULL";
1999    var.key = "pcsx_rearmed_gpu_peops_quads_with_triangles";
2000
2001    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2002    {
2003       if (strcmp(var.value, "enabled") == 0)
2004          gpu_peops_fix |= GPU_PEOPS_QUADS_WITH_TRIANGLES;
2005    }
2006
2007    var.value = "NULL";
2008    var.key = "pcsx_rearmed_gpu_peops_fake_busy_state";
2009
2010    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2011    {
2012       if (strcmp(var.value, "enabled") == 0)
2013          gpu_peops_fix |= GPU_PEOPS_FAKE_BUSY_STATE;
2014    }
2015
2016    if (pl_rearmed_cbs.gpu_peops.dwActFixes != gpu_peops_fix)
2017       pl_rearmed_cbs.gpu_peops.dwActFixes = gpu_peops_fix;
2018
2019
2020    /* Show/hide core options */
2021
2022    var.key = "pcsx_rearmed_show_gpu_peops_settings";
2023    var.value = NULL;
2024
2025    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2026    {
2027       int show_advanced_gpu_peops_settings_prev = show_advanced_gpu_peops_settings;
2028
2029       show_advanced_gpu_peops_settings = 1;
2030       if (strcmp(var.value, "disabled") == 0)
2031          show_advanced_gpu_peops_settings = 0;
2032
2033       if (show_advanced_gpu_peops_settings != show_advanced_gpu_peops_settings_prev)
2034       {
2035          unsigned i;
2036          struct retro_core_option_display option_display;
2037          char gpu_peops_option[9][45] = {
2038             "pcsx_rearmed_gpu_peops_odd_even_bit",
2039             "pcsx_rearmed_gpu_peops_expand_screen_width",
2040             "pcsx_rearmed_gpu_peops_ignore_brightness",
2041             "pcsx_rearmed_gpu_peops_disable_coord_check",
2042             "pcsx_rearmed_gpu_peops_lazy_screen_update",
2043             "pcsx_rearmed_gpu_peops_old_frame_skip",
2044             "pcsx_rearmed_gpu_peops_repeated_triangles",
2045             "pcsx_rearmed_gpu_peops_quads_with_triangles",
2046             "pcsx_rearmed_gpu_peops_fake_busy_state",
2047          };
2048
2049          option_display.visible = show_advanced_gpu_peops_settings;
2050
2051          for (i = 0; i < 9; i++)
2052          {
2053             option_display.key = gpu_peops_option[i];
2054             environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY, &option_display);
2055          }
2056       }
2057    }
2058 #endif
2059
2060 #ifdef GPU_UNAI
2061    var.key = "pcsx_rearmed_gpu_unai_ilace_force";
2062    var.value = NULL;
2063
2064    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2065    {
2066       if (strcmp(var.value, "disabled") == 0)
2067          pl_rearmed_cbs.gpu_unai.ilace_force = 0;
2068       else if (strcmp(var.value, "enabled") == 0)
2069          pl_rearmed_cbs.gpu_unai.ilace_force = 1;
2070    }
2071
2072    var.key = "pcsx_rearmed_gpu_unai_pixel_skip";
2073    var.value = NULL;
2074
2075    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2076    {
2077       if (strcmp(var.value, "disabled") == 0)
2078          pl_rearmed_cbs.gpu_unai.pixel_skip = 0;
2079       else if (strcmp(var.value, "enabled") == 0)
2080          pl_rearmed_cbs.gpu_unai.pixel_skip = 1;
2081    }
2082
2083    var.key = "pcsx_rearmed_gpu_unai_lighting";
2084    var.value = NULL;
2085
2086    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2087    {
2088       if (strcmp(var.value, "disabled") == 0)
2089          pl_rearmed_cbs.gpu_unai.lighting = 0;
2090       else if (strcmp(var.value, "enabled") == 0)
2091          pl_rearmed_cbs.gpu_unai.lighting = 1;
2092    }
2093
2094    var.key = "pcsx_rearmed_gpu_unai_fast_lighting";
2095    var.value = NULL;
2096
2097    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2098    {
2099       if (strcmp(var.value, "disabled") == 0)
2100          pl_rearmed_cbs.gpu_unai.fast_lighting = 0;
2101       else if (strcmp(var.value, "enabled") == 0)
2102          pl_rearmed_cbs.gpu_unai.fast_lighting = 1;
2103    }
2104
2105    var.key = "pcsx_rearmed_gpu_unai_blending";
2106    var.value = NULL;
2107
2108    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2109    {
2110       if (strcmp(var.value, "disabled") == 0)
2111          pl_rearmed_cbs.gpu_unai.blending = 0;
2112       else if (strcmp(var.value, "enabled") == 0)
2113          pl_rearmed_cbs.gpu_unai.blending = 1;
2114    }
2115
2116    var.key = "pcsx_rearmed_show_gpu_unai_settings";
2117    var.value = NULL;
2118
2119    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2120    {
2121       int show_advanced_gpu_unai_settings_prev = show_advanced_gpu_unai_settings;
2122
2123       show_advanced_gpu_unai_settings = 1;
2124       if (strcmp(var.value, "disabled") == 0)
2125          show_advanced_gpu_unai_settings = 0;
2126
2127       if (show_advanced_gpu_unai_settings != show_advanced_gpu_unai_settings_prev)
2128       {
2129          unsigned i;
2130          struct retro_core_option_display option_display;
2131          char gpu_unai_option[5][40] = {
2132             "pcsx_rearmed_gpu_unai_blending",
2133             "pcsx_rearmed_gpu_unai_lighting",
2134             "pcsx_rearmed_gpu_unai_fast_lighting",
2135             "pcsx_rearmed_gpu_unai_ilace_force",
2136             "pcsx_rearmed_gpu_unai_pixel_skip",
2137          };
2138
2139          option_display.visible = show_advanced_gpu_unai_settings;
2140
2141          for (i = 0; i < 5; i++)
2142          {
2143             option_display.key = gpu_unai_option[i];
2144             environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY, &option_display);
2145          }
2146       }
2147    }
2148 #endif // GPU_UNAI
2149
2150    if (in_flight) {
2151       // inform core things about possible config changes
2152       plugin_call_rearmed_cbs();
2153
2154       if (GPU_open != NULL && GPU_close != NULL) {
2155          GPU_close();
2156          GPU_open(&gpuDisp, "PCSX", NULL);
2157       }
2158
2159       dfinput_activate();
2160    }
2161    else
2162    {
2163       //not yet running
2164
2165       //bootlogo display hack
2166       if (found_bios) {
2167          var.value = "NULL";
2168          var.key = "pcsx_rearmed_show_bios_bootlogo";
2169          if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2170          {
2171             Config.SlowBoot = 0;
2172             rebootemu = 0;
2173             if (strcmp(var.value, "enabled") == 0)
2174             {
2175                Config.SlowBoot = 1;
2176                rebootemu = 1;
2177             }
2178          }
2179       }
2180
2181 #if defined(LIGHTREC) || defined(NEW_DYNAREC)
2182       var.value = "NULL";
2183       var.key = "pcsx_rearmed_psxclock";
2184       if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2185       {
2186          int psxclock = atoi(var.value);
2187          cycle_multiplier = 10000 / psxclock;
2188       }
2189 #endif
2190    }
2191 }
2192
2193 // Taken from beetle-psx-libretro
2194 static uint16_t get_analog_button(int16_t ret, retro_input_state_t input_state_cb, int player_index, int id)
2195 {
2196         // NOTE: Analog buttons were added Nov 2017. Not all front-ends support this
2197         // feature (or pre-date it) so we need to handle this in a graceful way.
2198
2199         // First, try and get an analog value using the new libretro API constant
2200         uint16_t button = input_state_cb(player_index,
2201                                                                         RETRO_DEVICE_ANALOG,
2202                                                                         RETRO_DEVICE_INDEX_ANALOG_BUTTON,
2203                                                                         id);
2204         button = MIN(button / 128, 255);
2205
2206         if (button == 0)
2207         {
2208                 // If we got exactly zero, we're either not pressing the button, or the front-end
2209                 // is not reporting analog values. We need to do a second check using the classic
2210                 // digital API method, to at least get some response - better than nothing.
2211
2212                 // NOTE: If we're really just not holding the button, we're still going to get zero.
2213
2214                 button = (ret & (1 << id)) ? 255 : 0;
2215         }
2216
2217         return button;
2218 }
2219
2220 unsigned char axis_range_modifier(int16_t axis_value, bool is_square) {
2221         float modifier_axis_range = 0;
2222
2223         if(is_square) {
2224                 modifier_axis_range = round((axis_value >> 8) / 0.785) + 128;
2225                 if(modifier_axis_range < 0) {
2226                         modifier_axis_range = 0;
2227                 } else if(modifier_axis_range > 255) {
2228                         modifier_axis_range = 255;
2229                 }
2230         } else {
2231                 modifier_axis_range = MIN(((axis_value >> 8) + 128), 255);
2232         }
2233
2234         return modifier_axis_range;
2235 }
2236
2237 void retro_run(void)
2238 {
2239         int i;
2240         //SysReset must be run while core is running,Not in menu (Locks up Retroarch)
2241         if (rebootemu != 0) {
2242                 rebootemu = 0;
2243                 SysReset();
2244                 if (!Config.HLE && !Config.SlowBoot) {
2245                         // skip BIOS logos
2246                         psxRegs.pc = psxRegs.GPR.n.ra;
2247                 }
2248         }
2249
2250         if (display_internal_fps) {
2251                 frame_count++;
2252
2253                 if (frame_count % INTERNAL_FPS_SAMPLE_PERIOD == 0) {
2254                         unsigned internal_fps = pl_rearmed_cbs.flip_cnt * (is_pal_mode ? 50 : 60) / INTERNAL_FPS_SAMPLE_PERIOD;
2255                         char str[64];
2256                         const char *strc = (const char*)str;
2257                         struct retro_message msg =
2258                         {
2259                                 strc,
2260                                 180
2261                         };
2262
2263                         str[0] = '\0';
2264
2265                         snprintf(str, sizeof(str), "Internal FPS: %2d", internal_fps);
2266
2267                         pl_rearmed_cbs.flip_cnt = 0;
2268
2269                         environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, &msg);
2270                 }
2271         }
2272    else
2273                 frame_count = 0;
2274
2275         input_poll_cb();
2276
2277         bool updated = false;
2278         if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
2279                 update_variables(true);
2280
2281         // reset all keystate, query libretro for keystate
2282         int j;
2283         int lsx;
2284         int rsy;
2285         float negcon_twist_amplitude;
2286         int negcon_i_rs;
2287         int negcon_ii_rs;
2288         for(i = 0; i < PORTS_NUMBER; i++)
2289    {
2290       int16_t ret    = 0;
2291                 in_keystate[i] = 0;
2292
2293                 if (in_type[i] == PSE_PAD_TYPE_NONE)
2294                         continue;
2295
2296       if (libretro_supports_bitmasks)
2297          ret = input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_MASK);
2298       else
2299       {
2300          unsigned j;
2301          for (j = 0; j < (RETRO_DEVICE_ID_JOYPAD_R3+1); j++)
2302          {
2303             if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, j))
2304                ret |= (1 << j);
2305          }
2306       }
2307
2308                 if (in_type[i] == PSE_PAD_TYPE_GUNCON)
2309                 {
2310                         //ToDo move across to:
2311                         //RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X
2312                         //RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y
2313                         //RETRO_DEVICE_ID_LIGHTGUN_TRIGGER
2314                         //RETRO_DEVICE_ID_LIGHTGUN_RELOAD
2315                         //RETRO_DEVICE_ID_LIGHTGUN_AUX_A
2316                         //RETRO_DEVICE_ID_LIGHTGUN_AUX_B
2317                         //Though not sure these are hooked up properly on the Pi
2318
2319                         //ToDo
2320                         //Put the controller index back to i instead of hardcoding to 1 when the libretro overlay crash bug is fixed
2321                         //This is required for 2 player
2322
2323                         //GUNCON has 3 controls, Trigger,A,B which equal Circle,Start,Cross
2324
2325                         // Trigger
2326                         //The 1 is hardcoded instead of i to prevent the overlay mouse button libretro crash bug
2327                         if (input_state_cb(1, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_LEFT)){
2328                                 in_keystate[i] |= (1 << DKEY_CIRCLE);
2329                         }
2330
2331                         // A
2332                         if (input_state_cb(1, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_RIGHT)){
2333                                 in_keystate[i] |= (1 << DKEY_START);
2334                         }
2335
2336                         // B
2337                         if (input_state_cb(1, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_MIDDLE)){
2338                                 in_keystate[i] |= (1 << DKEY_CROSS);
2339                         }
2340
2341                         //The 1 is hardcoded instead of i to prevent the overlay mouse button libretro crash bug
2342                         int gunx = input_state_cb(1, RETRO_DEVICE_POINTER, 0, RETRO_DEVICE_ID_POINTER_X);
2343                         int guny = input_state_cb(1, RETRO_DEVICE_POINTER, 0, RETRO_DEVICE_ID_POINTER_Y);
2344
2345                         //This adjustment process gives the user the ability to manually align the mouse up better
2346                         //with where the shots are in the emulator.
2347
2348                         //Percentage distance of screen to adjust
2349                         int GunconAdjustX = 0;
2350                         int GunconAdjustY = 0;
2351
2352                         //Used when out by a percentage
2353                         float GunconAdjustRatioX = 1;
2354                         float GunconAdjustRatioY = 1;
2355
2356                         struct retro_variable var;
2357                         var.value = NULL;
2358                         var.key = "pcsx_rearmed_gunconadjustx";
2359                         if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2360                         {
2361                                 GunconAdjustX = atoi(var.value);
2362                         }
2363
2364                         var.value = NULL;
2365                         var.key = "pcsx_rearmed_gunconadjusty";
2366                         if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2367                         {
2368                                 GunconAdjustY = atoi(var.value);
2369                         }
2370
2371
2372                         var.value = NULL;
2373                         var.key = "pcsx_rearmed_gunconadjustratiox";
2374                         if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2375                         {
2376                                 GunconAdjustRatioX = atof(var.value);
2377                         }
2378
2379
2380                         var.value = NULL;
2381                         var.key = "pcsx_rearmed_gunconadjustratioy";
2382                         if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
2383                         {
2384                                 GunconAdjustRatioY = atof(var.value);
2385                         }
2386
2387                         //Mouse range is -32767 -> 32767
2388                         //1% is about 655
2389                         //Use the left analog stick field to store the absolute coordinates
2390                         in_analog_left[0][0] = (gunx*GunconAdjustRatioX) + (GunconAdjustX * 655);
2391                         in_analog_left[0][1] = (guny*GunconAdjustRatioY) + (GunconAdjustY * 655);
2392
2393
2394                 }
2395                 if (in_type[i] == PSE_PAD_TYPE_NEGCON)
2396                 {
2397                         // Query digital inputs
2398                         //
2399                         // > Pad-Up
2400                         if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_UP))
2401                                 in_keystate[i] |= (1 << DKEY_UP);
2402                         // > Pad-Right
2403                         if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_RIGHT))
2404                                 in_keystate[i] |= (1 << DKEY_RIGHT);
2405                         // > Pad-Down
2406                         if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_DOWN))
2407                                 in_keystate[i] |= (1 << DKEY_DOWN);
2408                         // > Pad-Left
2409                         if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_LEFT))
2410                                 in_keystate[i] |= (1 << DKEY_LEFT);
2411                         // > Start
2412                         if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_START))
2413                                 in_keystate[i] |= (1 << DKEY_START);
2414                         // > neGcon A
2415                         if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_A))
2416                                 in_keystate[i] |= (1 << DKEY_CIRCLE);
2417                         // > neGcon B
2418                         if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_X))
2419                                 in_keystate[i] |= (1 << DKEY_TRIANGLE);
2420                         // > neGcon R shoulder (digital)
2421                         if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_R))
2422                                 in_keystate[i] |= (1 << DKEY_R1);
2423                         // Query analog inputs
2424                         //
2425                         // From studying 'libpcsxcore/plugins.c' and 'frontend/plugin.c':
2426                         // >> pad->leftJoyX  == in_analog_left[i][0]  == NeGcon II
2427                         // >> pad->leftJoyY  == in_analog_left[i][1]  == NeGcon L
2428                         // >> pad->rightJoyX == in_analog_right[i][0] == NeGcon twist
2429                         // >> pad->rightJoyY == in_analog_right[i][1] == NeGcon I
2430                         // So we just have to map in_analog_left/right to more
2431                         // appropriate inputs...
2432                         //
2433                         // > NeGcon twist
2434                         // >> Get raw analog stick value and account for deadzone
2435                         lsx = input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X);
2436                         if (lsx > negcon_deadzone)
2437                                 lsx = lsx - negcon_deadzone;
2438                         else if (lsx < -negcon_deadzone)
2439                                 lsx = lsx + negcon_deadzone;
2440                         else
2441                                 lsx = 0;
2442                         // >> Convert to an 'amplitude' [-1.0,1.0] and adjust response
2443                         negcon_twist_amplitude = (float)lsx / (float)(NEGCON_RANGE - negcon_deadzone);
2444                         if (negcon_linearity == 2)
2445          {
2446                                 if (negcon_twist_amplitude < 0.0)
2447                                         negcon_twist_amplitude = -(negcon_twist_amplitude * negcon_twist_amplitude);
2448             else
2449                                         negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude;
2450                         }
2451          else if (negcon_linearity == 3)
2452                                 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude * negcon_twist_amplitude;
2453                         // >> Convert to final 'in_analog' integer value [0,255]
2454                         in_analog_right[i][0] = MAX(MIN((int)(negcon_twist_amplitude * 128.0f) + 128, 255), 0);
2455                         // > NeGcon I + II
2456                         // >> Handle right analog stick vertical axis mapping...
2457                         //    - Up (-Y) == accelerate == neGcon I
2458                         //    - Down (+Y) == brake == neGcon II
2459                         negcon_i_rs = 0;
2460                         negcon_ii_rs = 0;
2461                         rsy = input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y);
2462                         if (rsy >= 0){
2463                                 // Account for deadzone
2464                                 // (Note: have never encountered a gamepad with significant differences
2465                                 // in deadzone between left/right analog sticks, so use the regular 'twist'
2466                                 // deadzone here)
2467                                 if (rsy > negcon_deadzone)
2468                                         rsy = rsy - negcon_deadzone;
2469             else
2470                                         rsy = 0;
2471                                 // Convert to 'in_analog' integer value [0,255]
2472                                 negcon_ii_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
2473                         } else {
2474                                 if (rsy < -negcon_deadzone)
2475                                         rsy = -1 * (rsy + negcon_deadzone);
2476             else
2477                                         rsy = 0;
2478                                 negcon_i_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
2479                         }
2480                         // >> NeGcon I
2481                         in_analog_right[i][1] = MAX(
2482                                 MAX(
2483                                         get_analog_button(ret, input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_R2),
2484                                         get_analog_button(ret, input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_B)
2485                                 ),
2486                                 negcon_i_rs
2487                         );
2488                         // >> NeGcon II
2489                         in_analog_left[i][0] = MAX(
2490                                 MAX(
2491                                         get_analog_button(ret, input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_L2),
2492                                         get_analog_button(ret, input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_Y)
2493                                 ),
2494                                 negcon_ii_rs
2495                         );
2496                         // > NeGcon L
2497                         in_analog_left[i][1] = get_analog_button(ret, input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_L);
2498                 }
2499                 if (in_type[i] != PSE_PAD_TYPE_NEGCON && in_type[i] != PSE_PAD_TYPE_GUNCON)
2500                 {
2501                         // Query digital inputs
2502                         for (j = 0; j < RETRO_PSX_MAP_LEN; j++)
2503                                 if (ret & (1 << j))
2504                                         in_keystate[i] |= retro_psx_map[j];
2505
2506                         // Query analog inputs
2507                         if (in_type[i] == PSE_PAD_TYPE_ANALOGJOY || in_type[i] == PSE_PAD_TYPE_ANALOGPAD)
2508                         {
2509                                 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);
2510                                 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);
2511                                 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);
2512                                 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);
2513                         }
2514                 }
2515         }
2516
2517         stop = 0;
2518         psxCpu->Execute();
2519
2520         video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf_ptr : NULL,
2521                 vout_width, vout_height, vout_width * 2);
2522         vout_fb_dirty = 0;
2523
2524     set_vout_fb();
2525 }
2526
2527 static bool try_use_bios(const char *path)
2528 {
2529         FILE *f;
2530         long size;
2531         const char *name;
2532
2533         f = fopen(path, "rb");
2534         if (f == NULL)
2535                 return false;
2536
2537         fseek(f, 0, SEEK_END);
2538         size = ftell(f);
2539         fclose(f);
2540
2541         if (size != 512 * 1024)
2542                 return false;
2543
2544         name = strrchr(path, SLASH);
2545         if (name++ == NULL)
2546                 name = path;
2547         snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
2548         return true;
2549 }
2550
2551 #ifndef VITA
2552 #include <sys/types.h>
2553 #include <dirent.h>
2554
2555 static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
2556 {
2557         DIR *dir;
2558         struct dirent *ent;
2559         bool ret = false;
2560
2561         dir = opendir(dirpath);
2562         if (dir == NULL)
2563                 return false;
2564
2565         while ((ent = readdir(dir))) {
2566                 if ((strncasecmp(ent->d_name, "scph", 4) != 0) && (strncasecmp(ent->d_name, "psx", 3) != 0))
2567                         continue;
2568
2569                 snprintf(path, path_size, "%s%c%s", dirpath, SLASH, ent->d_name);
2570                 ret = try_use_bios(path);
2571                 if (ret)
2572                         break;
2573         }
2574         closedir(dir);
2575         return ret;
2576 }
2577 #else
2578 #define find_any_bios(...) false
2579 #endif
2580
2581 static void check_system_specs(void)
2582 {
2583    unsigned level = 6;
2584    environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
2585 }
2586
2587 static int init_memcards(void)
2588 {
2589         int ret = 0;
2590         const char *dir;
2591         struct retro_variable var = { .key="pcsx_rearmed_memcard2", .value=NULL };
2592         static const char CARD2_FILE[] = "pcsx-card2.mcd";
2593
2594         // Memcard2 will be handled and is re-enabled if needed using core
2595         // operations.
2596         // Memcard1 is handled by libretro, doing this will set core to
2597         // skip file io operations for memcard1 like SaveMcd
2598         snprintf(Config.Mcd1, sizeof(Config.Mcd1), "none");
2599         snprintf(Config.Mcd2, sizeof(Config.Mcd2), "none");
2600         init_memcard(Mcd1Data);
2601         // Memcard 2 is managed by the emulator on the filesystem,
2602         // There is no need to initialize Mcd2Data like Mcd1Data.
2603
2604         if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
2605                 SysPrintf("Memcard 2: %s\n", var.value);
2606                 if (memcmp(var.value, "enabled", 7) == 0) {
2607                         if (environ_cb(RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY, &dir) && dir) {
2608                                 if (strlen(dir) + strlen(CARD2_FILE) + 2 > sizeof(Config.Mcd2)) {
2609                                         SysPrintf("Path '%s' is too long. Cannot use memcard 2. Use a shorter path.\n", dir);
2610                                         ret = -1;
2611                                 } else {
2612                                         McdDisable[1] = 0;
2613                                         snprintf(Config.Mcd2, sizeof(Config.Mcd2), "%s/%s", dir, CARD2_FILE);
2614                                         SysPrintf("Use memcard 2: %s\n", Config.Mcd2);
2615                                 }
2616                         } else {
2617                                 SysPrintf("Could not get save directory! Could not create memcard 2.");
2618                                 ret = -1;
2619                         }
2620                 }
2621         }
2622         return ret;
2623 }
2624
2625 static void loadPSXBios(void)
2626 {
2627         const char *dir;
2628         char path[PATH_MAX];
2629         unsigned useHLE = 0;
2630
2631         const char *bios[] = {
2632                 "PSXONPSP660", "psxonpsp660",
2633                 "SCPH101", "scph101",
2634                 "SCPH5501", "scph5501",
2635                 "SCPH7001", "scph7001",
2636                 "SCPH1001", "scph1001"
2637         };
2638
2639         struct retro_variable var = {
2640                 .key = "pcsx_rearmed_bios",
2641                 .value = NULL
2642         };
2643
2644         found_bios = 0;
2645
2646         if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
2647                 if (!strcmp(var.value, "HLE"))
2648                         useHLE = 1;
2649         }
2650
2651         if (!useHLE)
2652         {
2653                 if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
2654                 {
2655                         unsigned i;
2656                         snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s", dir);
2657
2658                         for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++) {
2659                                 snprintf(path, sizeof(path), "%s%c%s.bin", dir, SLASH, bios[i]);
2660                                 found_bios = try_use_bios(path);
2661                                 if (found_bios)
2662                                         break;
2663                         }
2664
2665                         if (!found_bios)
2666                                 found_bios = find_any_bios(dir, path, sizeof(path));
2667                 }
2668                 if (found_bios) {
2669                         SysPrintf("found BIOS file: %s\n", Config.Bios);
2670                 }
2671         }
2672
2673         if (useHLE || !found_bios)
2674         {
2675                 SysPrintf("no BIOS files found.\n");
2676                 struct retro_message msg =
2677                 {
2678                         "No PlayStation BIOS file found - add for better compatibility",
2679                         180
2680                 };
2681                 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, (void*)&msg);
2682         }
2683 }
2684
2685 void retro_init(void)
2686 {
2687         unsigned dci_version = 0;
2688         struct retro_rumble_interface rumble;
2689         int ret;
2690
2691 #ifdef __MACH__
2692         // magic sauce to make the dynarec work on iOS
2693         syscall(SYS_ptrace, 0 /*PTRACE_TRACEME*/, 0, 0, 0);
2694 #endif
2695
2696 #ifdef _3DS
2697    psxMapHook = pl_3ds_mmap;
2698    psxUnmapHook = pl_3ds_munmap;
2699 #endif
2700 #ifdef VITA
2701    if(init_vita_mmap()<0)
2702       abort();
2703    psxMapHook = pl_vita_mmap;
2704    psxUnmapHook = pl_vita_munmap;
2705 #endif
2706         ret = emu_core_preinit();
2707 #ifdef _3DS
2708    /* emu_core_preinit sets the cpu to dynarec */
2709    if(!__ctr_svchax)
2710       Config.Cpu = CPU_INTERPRETER;
2711 #endif
2712         ret |= init_memcards();
2713
2714         ret |= emu_core_init();
2715         if (ret != 0) {
2716                 SysPrintf("PCSX init failed.\n");
2717                 exit(1);
2718         }
2719
2720 #ifdef _3DS
2721    vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
2722 #elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && !defined(VITA) && !defined(__SWITCH__)
2723         posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
2724 #else
2725         vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
2726 #endif
2727
2728         vout_buf_ptr = vout_buf;
2729
2730         loadPSXBios();
2731
2732         environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
2733
2734         disk_initial_index   = 0;
2735         disk_initial_path[0] = '\0';
2736         if (environ_cb(RETRO_ENVIRONMENT_GET_DISK_CONTROL_INTERFACE_VERSION, &dci_version) && (dci_version >= 1))
2737                 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_EXT_INTERFACE, &disk_control_ext);
2738         else
2739                 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
2740
2741         rumble_cb = NULL;
2742         if (environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble))
2743                 rumble_cb = rumble.set_rumble_state;
2744
2745         /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
2746          * we have to do this because cache misses and some IO penalties
2747          * are not emulated. Warning: changing this may break compatibility. */
2748         cycle_multiplier = 175;
2749 #ifdef HAVE_PRE_ARMV7
2750         cycle_multiplier = 200;
2751 #endif
2752         pl_rearmed_cbs.gpu_peops.iUseDither = 1;
2753         pl_rearmed_cbs.gpu_peops.dwActFixes = GPU_PEOPS_OLD_FRAME_SKIP;
2754         spu_config.iUseFixedUpdates = 1;
2755
2756         SaveFuncs.open = save_open;
2757         SaveFuncs.read = save_read;
2758         SaveFuncs.write = save_write;
2759         SaveFuncs.seek = save_seek;
2760         SaveFuncs.close = save_close;
2761
2762    if (environ_cb(RETRO_ENVIRONMENT_GET_INPUT_BITMASKS, NULL))
2763       libretro_supports_bitmasks = true;
2764
2765         update_variables(false);
2766         check_system_specs();
2767 }
2768
2769 void retro_deinit(void)
2770 {
2771         ClosePlugins();
2772         SysClose();
2773 #ifdef _3DS
2774    linearFree(vout_buf);
2775 #else
2776         free(vout_buf);
2777 #endif
2778         vout_buf = NULL;
2779
2780 #ifdef VITA
2781   deinit_vita_mmap();
2782 #endif
2783    libretro_supports_bitmasks = false;
2784
2785         /* Have to reset disks struct, otherwise
2786          * fnames/flabels will leak memory */
2787         disk_init();
2788 }
2789
2790 #ifdef VITA
2791 #include <psp2/kernel/threadmgr.h>
2792 int usleep (unsigned long us)
2793 {
2794    sceKernelDelayThread(us);
2795 }
2796 #endif
2797
2798 void SysPrintf(const char *fmt, ...) {
2799         va_list list;
2800         char msg[512];
2801
2802         va_start(list, fmt);
2803         vsprintf(msg, fmt, list);
2804         va_end(list);
2805
2806         if (log_cb)
2807                 log_cb(RETRO_LOG_INFO, "%s", msg);
2808 }