Backport GPU Unai plugin from PCSX4ALL
[pcsx_rearmed.git] / frontend / libretro.c
index 9a3f070..919fabb 100644 (file)
 #include "../libpcsxcore/cdrom.h"
 #include "../libpcsxcore/cdriso.h"
 #include "../libpcsxcore/cheat.h"
+#include "../libpcsxcore/r3000a.h"
 #include "../plugins/dfsound/out.h"
 #include "../plugins/dfsound/spu_config.h"
 #include "../plugins/dfinput/externals.h"
 #include "cspace.h"
 #include "main.h"
+#include "menu.h"
 #include "plugin.h"
 #include "plugin_lib.h"
 #include "arm_features.h"
 #include "revision.h"
-#include "libretro.h"
+
+#include <libretro.h>
+#include "libretro_core_options.h"
 
 #ifdef _3DS
 #include "3ds/3ds_utils.h"
 
 #define PORTS_NUMBER 8
 
+#ifndef MIN
+#define MIN(a, b) ((a) < (b) ? (a) : (b))
+#endif
+
+#ifndef MAX
+#define MAX(a, b) ((a) > (b) ? (a) : (b))
+#endif
+
 #define ISHEXDEC ((buf[cursor]>='0') && (buf[cursor]<='9')) || ((buf[cursor]>='a') && (buf[cursor]<='f')) || ((buf[cursor]>='A') && (buf[cursor]<='F'))
 
+#define INTERNAL_FPS_SAMPLE_PERIOD 64
+
 //hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
 static int rebootemu = 0;
 
@@ -49,7 +63,9 @@ static retro_input_poll_t input_poll_cb;
 static retro_input_state_t input_state_cb;
 static retro_environment_t environ_cb;
 static retro_audio_sample_batch_t audio_batch_cb;
-static struct retro_rumble_interface rumble;
+static retro_set_rumble_state_t rumble_cb;
+static struct retro_log_callback logging;
+static retro_log_printf_t log_cb;
 
 static void *vout_buf;
 static void * vout_buf_ptr;
@@ -58,6 +74,14 @@ static int vout_doffs_old, vout_fb_dirty;
 static bool vout_can_dupe;
 static bool duping_enable;
 static bool found_bios;
+static bool display_internal_fps = false;
+static unsigned frame_count = 0;
+static bool libretro_supports_bitmasks = false;
+static int show_advanced_gpu_peops_settings = -1;
+static int show_advanced_gpu_unai_settings  = -1;
+
+static unsigned previous_width = 0;
+static unsigned previous_height = 0;
 
 static int plugins_opened;
 static int is_pal_mode;
@@ -79,6 +103,25 @@ int multitap1 = 0;
 int multitap2 = 0;
 int in_enable_vibration = 1;
 
+// NegCon adjustment parameters
+// > The NegCon 'twist' action is somewhat awkward when mapped
+//   to a standard analog stick -> user should be able to tweak
+//   response/deadzone for comfort
+// > When response is linear, 'additional' deadzone (set here)
+//   may be left at zero, since this is normally handled via in-game
+//   options menus
+// > When response is non-linear, deadzone should be set to match the
+//   controller being used (otherwise precision may be lost)
+// > negcon_linearity:
+//   - 1: Response is linear - recommended when using racing wheel
+//        peripherals, not recommended for standard gamepads
+//   - 2: Response is quadratic - optimal setting for gamepads
+//   - 3: Response is cubic - enables precise fine control, but
+//        difficult to use...
+#define NEGCON_RANGE 0x7FFF
+static int negcon_deadzone = 0;
+static int negcon_linearity = 1;
+
 /* PSX max resolution is 640x512, but with enhancement it's 1024x512 */
 #define VOUT_MAX_WIDTH 1024
 #define VOUT_MAX_HEIGHT 512
@@ -125,24 +168,36 @@ static void init_memcard(char *mcd_data)
        }
 }
 
-static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
+static void set_vout_fb()
 {
-       vout_width = w;
-       vout_height = h;
-
   struct retro_framebuffer fb = {0};
 
   fb.width           = vout_width;
   fb.height          = vout_height;
   fb.access_flags    = RETRO_MEMORY_ACCESS_WRITE;
 
-  vout_buf_ptr = vout_buf;
-
   if (environ_cb(RETRO_ENVIRONMENT_GET_CURRENT_SOFTWARE_FRAMEBUFFER, &fb) && fb.format == RETRO_PIXEL_FORMAT_RGB565)
-  {
-     vout_buf_ptr  = (uint16_t*)fb.data;
-  }
+     vout_buf_ptr = (uint16_t*)fb.data;
+  else
+     vout_buf_ptr = vout_buf;
+}
+
+static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
+{
+  vout_width = w;
+  vout_height = h;
+
+       if (previous_width != vout_width || previous_height != vout_height)
+       {
+               previous_width = vout_width;
+               previous_height = vout_height;
+
+       struct retro_system_av_info info;
+       retro_get_system_av_info(&info);
+       environ_cb(RETRO_ENVIRONMENT_SET_GEOMETRY, &info.geometry);
+       }
 
+  set_vout_fb();
 }
 
 #ifndef FRONTEND_SUPPORTS_RGB565
@@ -399,8 +454,14 @@ void pl_timing_prepare(int is_pal)
 
 void plat_trigger_vibrate(int pad, int low, int high)
 {
-    rumble.set_rumble_state(pad, RETRO_RUMBLE_STRONG, high << 8);
-    rumble.set_rumble_state(pad, RETRO_RUMBLE_WEAK, low ? 0xffff : 0x0);
+       if (!rumble_cb)
+               return;
+
+       if (in_enable_vibration)
+       {
+               rumble_cb(pad, RETRO_RUMBLE_STRONG, high << 8);
+               rumble_cb(pad, RETRO_RUMBLE_WEAK, low ? 0xffff : 0x0);
+    }
 }
 
 void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in)
@@ -426,39 +487,12 @@ void out_register_libretro(struct out_driver *drv)
 /* libretro */
 void retro_set_environment(retro_environment_t cb)
 {
-   static const struct retro_variable vars[] = {
-      { "pcsx_rearmed_frameskip", "Frameskip; 0|1|2|3" },
-      { "pcsx_rearmed_region", "Region; Auto|NTSC|PAL" },
-      { "pcsx_rearmed_pad1type", "Pad 1 Type; default|none|standard|analog|negcon" },
-      { "pcsx_rearmed_pad2type", "Pad 2 Type; default|none|standard|analog|negcon" },
-      { "pcsx_rearmed_pad3type", "Pad 3 Type; default|none|standard|analog|negcon" },
-      { "pcsx_rearmed_pad4type", "Pad 4 Type; default|none|standard|analog|negcon" },
-      { "pcsx_rearmed_pad5type", "Pad 5 Type; default|none|standard|analog|negcon" },
-      { "pcsx_rearmed_pad6type", "Pad 6 Type; default|none|standard|analog|negcon" },
-      { "pcsx_rearmed_pad7type", "Pad 7 Type; default|none|standard|analog|negcon" },
-      { "pcsx_rearmed_pad8type", "Pad 8 Type; default|none|standard|analog|negcon" },
-      { "pcsx_rearmed_multitap1", "Multitap 1; auto|disabled|enabled" },
-      { "pcsx_rearmed_multitap2", "Multitap 2; auto|disabled|enabled" },
-#ifndef DRC_DISABLE
-      { "pcsx_rearmed_drc", "Dynamic recompiler; enabled|disabled" },
-#endif
-#ifdef __ARM_NEON__
-      { "pcsx_rearmed_neon_interlace_enable", "Enable interlacing mode(s); disabled|enabled" },
-      { "pcsx_rearmed_neon_enhancement_enable", "Enhanced resolution (slow); disabled|enabled" },
-      { "pcsx_rearmed_neon_enhancement_no_main", "Enhanced resolution speed hack; disabled|enabled" },
-#endif
-      { "pcsx_rearmed_duping_enable", "Frame duping; enabled|disabled" },
-      { "pcsx_rearmed_show_bios_bootlogo", "Show Bios Bootlogo(Breaks some games); disabled|enabled" },
-      { "pcsx_rearmed_spu_reverb", "Sound: Reverb; enabled|disabled" },
-      { "pcsx_rearmed_spu_interpolation", "Sound: Interpolation; simple|gaussian|cubic|off" },
-      { "pcsx_rearmed_pe2_fix", "Parasite Eve 2/Vandal Hearts 1/2 Fix; disabled|enabled" },
-      { "pcsx_rearmed_inuyasha_fix", "InuYasha Sengoku Battle Fix; disabled|enabled" },
-      { NULL, NULL },
-   };
-
    environ_cb = cb;
 
-   cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void*)vars);
+   if (cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &logging))
+      log_cb = logging.log;
+
+   libretro_set_core_options(environ_cb);
 }
 
 void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
@@ -523,6 +557,8 @@ static void update_controller_port_variable(unsigned port)
                if (strcmp(var.value, "standard") == 0)
                        in_type[port] = PSE_PAD_TYPE_STANDARD;
                else if (strcmp(var.value, "analog") == 0)
+                       in_type[port] = PSE_PAD_TYPE_ANALOGJOY;
+               else if (strcmp(var.value, "dualshock") == 0)
                        in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
                else if (strcmp(var.value, "negcon") == 0)
                        in_type[port] = PSE_PAD_TYPE_NEGCON;
@@ -636,17 +672,21 @@ void retro_get_system_info(struct retro_system_info *info)
 #define GIT_VERSION ""
 #endif
        info->library_version = "r22" GIT_VERSION;
-       info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u";
+       info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u|chd";
        info->need_fullpath = true;
 }
 
 void retro_get_system_av_info(struct retro_system_av_info *info)
 {
+
+       unsigned geom_height = vout_height > 0 ? vout_height : 240;
+       unsigned geom_width = vout_width > 0 ? vout_width : 320;
+
        memset(info, 0, sizeof(*info));
        info->timing.fps            = is_pal_mode ? 50 : 60;
        info->timing.sample_rate    = 44100;
-       info->geometry.base_width   = 320;
-       info->geometry.base_height  = 240;
+       info->geometry.base_width   = geom_width;
+       info->geometry.base_height  = geom_height;
        info->geometry.max_width    = VOUT_MAX_WIDTH;
        info->geometry.max_height   = VOUT_MAX_HEIGHT;
        info->geometry.aspect_ratio = 4.0 / 3.0;
@@ -765,7 +805,7 @@ void retro_cheat_set(unsigned index, bool enabled, const char *code)
        // cheat funcs are destructive, need a copy..
        strncpy(buf, code, sizeof(buf));
        buf[sizeof(buf) - 1] = 0;
-       
+
        //Prepare buffered cheat for PCSX's AddCheat fucntion.
        int cursor=0;
        int nonhexdec=0;
@@ -779,7 +819,7 @@ void retro_cheat_set(unsigned index, bool enabled, const char *code)
                }
                cursor++;
        }
-       
+
 
        if (index < NumCheats)
                ret = EditCheat(index, "", buf);
@@ -1178,6 +1218,8 @@ bool retro_load_game(const struct retro_game_info *info)
       { 0 },
    };
 
+        frame_count = 0;
+
    environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
 
 #ifdef FRONTEND_SUPPORTS_RGB565
@@ -1210,7 +1252,7 @@ bool retro_load_game(const struct retro_game_info *info)
 
        if (is_m3u) {
                if (!read_m3u(info->path)) {
-                       SysPrintf("failed to read m3u file\n");
+                       log_cb(RETRO_LOG_INFO, "failed to read m3u file\n");
                        return false;
                }
        } else {
@@ -1222,7 +1264,7 @@ bool retro_load_game(const struct retro_game_info *info)
 
        /* have to reload after set_cd_image for correct cdr plugin */
        if (LoadPlugins() == -1) {
-               SysPrintf("failed to load plugins\n");
+               log_cb(RETRO_LOG_INFO, "failed to load plugins\n");
                return false;
        }
 
@@ -1230,23 +1272,22 @@ bool retro_load_game(const struct retro_game_info *info)
        NetOpened = 0;
 
        if (OpenPlugins() == -1) {
-               SysPrintf("failed to open plugins\n");
+               log_cb(RETRO_LOG_INFO, "failed to open plugins\n");
                return false;
        }
 
        plugin_call_rearmed_cbs();
        dfinput_activate();
 
-       Config.PsxAuto = 1;
        if (CheckCdrom() == -1) {
-               SysPrintf("unsupported/invalid CD image: %s\n", info->path);
+        log_cb(RETRO_LOG_INFO, "unsupported/invalid CD image: %s\n", info->path);
                return false;
        }
 
        SysReset();
 
        if (LoadCdrom() == -1) {
-               SysPrintf("could not load CD-ROM!\n");
+               log_cb(RETRO_LOG_INFO, "could not load CD\n");
                return false;
        }
        emu_on_new_cd(0);
@@ -1272,6 +1313,8 @@ void *retro_get_memory_data(unsigned id)
 {
        if (id == RETRO_MEMORY_SAVE_RAM)
                return Mcd1Data;
+       else if (id == RETRO_MEMORY_SYSTEM_RAM)
+               return psxM;
        else
                return NULL;
 }
@@ -1280,6 +1323,8 @@ size_t retro_get_memory_size(unsigned id)
 {
        if (id == RETRO_MEMORY_SAVE_RAM)
                return MCD_SIZE;
+       else if (id == RETRO_MEMORY_SYSTEM_RAM)
+               return 0x210000;
        else
                return 0;
 }
@@ -1315,6 +1360,7 @@ static void update_variables(bool in_flight)
 {
    struct retro_variable var;
    int i;
+   int gpu_peops_fix = 0;
 
    var.value = NULL;
    var.key = "pcsx_rearmed_frameskip";
@@ -1326,7 +1372,7 @@ static void update_variables(bool in_flight)
    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
    {
       Config.PsxAuto = 0;
-      if (strcmp(var.value, "Automatic") == 0)
+      if (strcmp(var.value, "auto") == 0)
          Config.PsxAuto = 1;
       else if (strcmp(var.value, "NTSC") == 0)
          Config.PsxType = 0;
@@ -1339,6 +1385,60 @@ static void update_variables(bool in_flight)
 
    update_multitap();
 
+   var.value = NULL;
+   var.key = "pcsx_rearmed_negcon_deadzone";
+   negcon_deadzone = 0;
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
+   {
+      negcon_deadzone = (int)(atoi(var.value) * 0.01f * NEGCON_RANGE);
+   }
+
+   var.value = NULL;
+   var.key = "pcsx_rearmed_negcon_response";
+   negcon_linearity = 1;
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
+   {
+      if (strcmp(var.value, "quadratic") == 0){
+         negcon_linearity = 2;
+      } else if (strcmp(var.value, "cubic") == 0){
+         negcon_linearity = 3;
+      }
+   }
+
+   var.value = NULL;
+   var.key = "pcsx_rearmed_vibration";
+
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
+   {
+      if (strcmp(var.value, "disabled") == 0)
+         in_enable_vibration = 0;
+      else if (strcmp(var.value, "enabled") == 0)
+         in_enable_vibration = 1;
+   }
+
+   var.value = NULL;
+   var.key = "pcsx_rearmed_dithering";
+
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
+   {
+      if (strcmp(var.value, "disabled") == 0) {
+         pl_rearmed_cbs.gpu_peops.iUseDither = 0;
+         pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 0;
+         pl_rearmed_cbs.gpu_unai.dithering = 0;
+#ifdef __ARM_NEON__
+         pl_rearmed_cbs.gpu_neon.allow_dithering = 0;
+#endif
+      }
+      else if (strcmp(var.value, "enabled") == 0) {
+         pl_rearmed_cbs.gpu_peops.iUseDither = 1;
+         pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 1;
+         pl_rearmed_cbs.gpu_unai.dithering = 1;
+#ifdef __ARM_NEON__
+         pl_rearmed_cbs.gpu_neon.allow_dithering = 1;
+#endif
+      }
+   }
+
 #ifdef __ARM_NEON__
    var.value = "NULL";
    var.key = "pcsx_rearmed_neon_interlace_enable";
@@ -1385,6 +1485,17 @@ static void update_variables(bool in_flight)
          duping_enable = true;
    }
 
+   var.value = "NULL";
+   var.key = "pcsx_rearmed_display_internal_fps";
+
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
+   {
+      if (strcmp(var.value, "disabled") == 0)
+         display_internal_fps = false;
+      else if (strcmp(var.value, "enabled") == 0)
+         display_internal_fps = true;
+   }
+
 #ifndef DRC_DISABLE
    var.value = NULL;
    var.key = "pcsx_rearmed_drc";
@@ -1449,6 +1560,17 @@ static void update_variables(bool in_flight)
          Config.RCntFix = 1;
    }
 
+   var.value = "NULL";
+   var.key = "pcsx_rearmed_idiablofix";
+
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
+   {
+      if (strcmp(var.value, "disabled") == 0)
+         spu_config.idiablofix = 0;
+      else if (strcmp(var.value, "enabled") == 0)
+         spu_config.idiablofix = 1;
+   }
+
    var.value = "NULL";
    var.key = "pcsx_rearmed_inuyasha_fix";
 
@@ -1460,6 +1582,274 @@ static void update_variables(bool in_flight)
          Config.VSyncWA = 1;
    }
 
+   var.value = NULL;
+   var.key = "pcsx_rearmed_noxadecoding";
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
+   {
+      if (strcmp(var.value, "disabled") == 0)
+         Config.Xa = 1;
+      else
+         Config.Xa = 0;
+   }
+
+   var.value = NULL;
+   var.key = "pcsx_rearmed_nocdaudio";
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
+   {
+      if (strcmp(var.value, "disabled") == 0)
+         Config.Cdda = 1;
+      else
+         Config.Cdda = 0;
+   }
+
+#ifndef DRC_DISABLE
+   var.value = NULL;
+   var.key = "pcsx_rearmed_nosmccheck";
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
+   {
+      if (strcmp(var.value, "enabled") == 0)
+         new_dynarec_hacks |= NDHACK_NO_SMC_CHECK;
+      else
+         new_dynarec_hacks &= ~NDHACK_NO_SMC_CHECK;
+   }
+
+   var.value = NULL;
+   var.key = "pcsx_rearmed_gteregsunneeded";
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
+   {
+      if (strcmp(var.value, "enabled") == 0)
+         new_dynarec_hacks |= NDHACK_GTE_UNNEEDED;
+      else
+         new_dynarec_hacks &= ~NDHACK_GTE_UNNEEDED;
+   }
+
+   var.value = NULL;
+   var.key = "pcsx_rearmed_nogteflags";
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
+   {
+      if (strcmp(var.value, "enabled") == 0)
+         new_dynarec_hacks |= NDHACK_GTE_NO_FLAGS;
+      else
+         new_dynarec_hacks &= ~NDHACK_GTE_NO_FLAGS;
+   }
+#endif
+
+#ifdef GPU_PEOPS
+   var.value = "NULL";
+   var.key = "pcsx_rearmed_gpu_peops_fix_0";
+
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+   {
+      if (strcmp(var.value, "enabled") == 0)
+         gpu_peops_fix |= (1 << 0);
+   }
+
+   var.value = "NULL";
+   var.key = "pcsx_rearmed_gpu_peops_fix_1";
+
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+   {
+      if (strcmp(var.value, "enabled") == 0)
+         gpu_peops_fix |= (1 << 1);
+   }
+
+   var.value = "NULL";
+   var.key = "pcsx_rearmed_gpu_peops_fix_2";
+
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+   {
+      if (strcmp(var.value, "enabled") == 0)
+         gpu_peops_fix |= (1 << 2);
+   }
+
+   var.value = "NULL";
+   var.key = "pcsx_rearmed_gpu_peops_fix_3";
+
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+   {
+      if (strcmp(var.value, "enabled") == 0)
+         gpu_peops_fix |= (1 << 3);
+   }
+
+   var.value = "NULL";
+   var.key = "pcsx_rearmed_gpu_peops_fix_6";
+
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+   {
+      if (strcmp(var.value, "enabled") == 0)
+         gpu_peops_fix |= (1 << 6);
+   }
+
+   var.value = "NULL";
+   var.key = "pcsx_rearmed_gpu_peops_fix_7";
+
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+   {
+      if (strcmp(var.value, "enabled") == 0)
+         gpu_peops_fix |= (1 << 7);
+   }
+
+   var.value = "NULL";
+   var.key = "pcsx_rearmed_gpu_peops_fix_8";
+
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+   {
+      if (strcmp(var.value, "enabled") == 0)
+         gpu_peops_fix |= (1 << 8);
+   }
+
+   var.value = "NULL";
+   var.key = "pcsx_rearmed_gpu_peops_fix_9";
+
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+   {
+      if (strcmp(var.value, "enabled") == 0)
+         gpu_peops_fix |= (1 << 9);
+   }
+
+   var.value = "NULL";
+   var.key = "pcsx_rearmed_gpu_peops_fix_10";
+
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+   {
+      if (strcmp(var.value, "enabled") == 0)
+         gpu_peops_fix |= (1 << 10);
+   }
+
+   if (pl_rearmed_cbs.gpu_peops.dwActFixes != gpu_peops_fix)
+      pl_rearmed_cbs.gpu_peops.dwActFixes = gpu_peops_fix;
+
+
+    /* Show/hide core options */
+
+   var.key = "pcsx_rearmed_show_gpu_peops_settings";
+   var.value = NULL;
+
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+   {
+      int show_advanced_gpu_peops_settings_prev = show_advanced_gpu_peops_settings;
+
+      show_advanced_gpu_peops_settings = 1;
+      if (strcmp(var.value, "disabled") == 0)
+         show_advanced_gpu_peops_settings = 0;
+
+      if (show_advanced_gpu_peops_settings != show_advanced_gpu_peops_settings_prev)
+      {
+         unsigned i;
+         struct retro_core_option_display option_display;
+         char gpu_peops_option[9][32] = {
+            "pcsx_rearmed_gpu_peops_fix_0",
+            "pcsx_rearmed_gpu_peops_fix_1",
+            "pcsx_rearmed_gpu_peops_fix_2",
+            "pcsx_rearmed_gpu_peops_fix_3",
+            "pcsx_rearmed_gpu_peops_fix_6",
+            "pcsx_rearmed_gpu_peops_fix_7",
+            "pcsx_rearmed_gpu_peops_fix_8",
+            "pcsx_rearmed_gpu_peops_fix_9",
+            "pcsx_rearmed_gpu_peops_fix_10",
+         };
+
+         option_display.visible = show_advanced_gpu_peops_settings;
+
+         for (i = 0; i < 9; i++)
+         {
+            option_display.key = gpu_peops_option[i];
+            environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY, &option_display);
+         }
+      }
+   }
+#endif
+
+#ifdef GPU_UNAI
+   var.key = "pcsx_rearmed_gpu_unai_ilace_force";
+   var.value = NULL;
+
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
+   {
+      if (strcmp(var.value, "disabled") == 0)
+         pl_rearmed_cbs.gpu_unai.ilace_force = 0;
+      else if (strcmp(var.value, "enabled") == 0)
+         pl_rearmed_cbs.gpu_unai.ilace_force = 1;
+   }
+
+   var.key = "pcsx_rearmed_gpu_unai_pixel_skip";
+   var.value = NULL;
+
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
+   {
+      if (strcmp(var.value, "disabled") == 0)
+         pl_rearmed_cbs.gpu_unai.pixel_skip = 0;
+      else if (strcmp(var.value, "enabled") == 0)
+         pl_rearmed_cbs.gpu_unai.pixel_skip = 1;
+   }
+
+   var.key = "pcsx_rearmed_gpu_unai_lighting";
+   var.value = NULL;
+
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
+   {
+      if (strcmp(var.value, "disabled") == 0)
+         pl_rearmed_cbs.gpu_unai.lighting = 0;
+      else if (strcmp(var.value, "enabled") == 0)
+         pl_rearmed_cbs.gpu_unai.lighting = 1;
+   }
+
+   var.key = "pcsx_rearmed_gpu_unai_fast_lighting";
+   var.value = NULL;
+
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
+   {
+      if (strcmp(var.value, "disabled") == 0)
+         pl_rearmed_cbs.gpu_unai.fast_lighting = 0;
+      else if (strcmp(var.value, "enabled") == 0)
+         pl_rearmed_cbs.gpu_unai.fast_lighting = 1;
+   }
+
+   var.key = "pcsx_rearmed_gpu_unai_blending";
+   var.value = NULL;
+
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
+   {
+      if (strcmp(var.value, "disabled") == 0)
+         pl_rearmed_cbs.gpu_unai.blending = 0;
+      else if (strcmp(var.value, "enabled") == 0)
+         pl_rearmed_cbs.gpu_unai.blending = 1;
+   }
+
+   var.key = "pcsx_rearmed_show_gpu_unai_settings";
+   var.value = NULL;
+
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+   {
+      int show_advanced_gpu_unai_settings_prev = show_advanced_gpu_unai_settings;
+
+      show_advanced_gpu_unai_settings = 1;
+      if (strcmp(var.value, "disabled") == 0)
+         show_advanced_gpu_unai_settings = 0;
+
+      if (show_advanced_gpu_unai_settings != show_advanced_gpu_unai_settings_prev)
+      {
+         unsigned i;
+         struct retro_core_option_display option_display;
+         char gpu_unai_option[5][40] = {
+            "pcsx_rearmed_gpu_unai_blending",
+            "pcsx_rearmed_gpu_unai_lighting",
+            "pcsx_rearmed_gpu_unai_fast_lighting",
+            "pcsx_rearmed_gpu_unai_ilace_force",
+            "pcsx_rearmed_gpu_unai_pixel_skip",
+         };
+
+         option_display.visible = show_advanced_gpu_unai_settings;
+
+         for (i = 0; i < 5; i++)
+         {
+            option_display.key = gpu_unai_option[i];
+            environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY, &option_display);
+         }
+      }
+   }
+#endif // GPU_UNAI
+
    if (in_flight) {
       // inform core things about possible config changes
       plugin_call_rearmed_cbs();
@@ -1471,35 +1861,101 @@ static void update_variables(bool in_flight)
 
       dfinput_activate();
    }
-   else{
+   else
+   {
       //not yet running
-      
+
       //bootlogo display hack
       if (found_bios) {
          var.value = "NULL";
          var.key = "pcsx_rearmed_show_bios_bootlogo";
          if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
          {
+            Config.SlowBoot = 0;
+            rebootemu = 0;
             if (strcmp(var.value, "enabled") == 0)
+            {
+               Config.SlowBoot = 1;
                rebootemu = 1;
+            }
          }
       }
+#ifndef DRC_DISABLE
+      var.value = "NULL";
+      var.key = "pcsx_rearmed_psxclock";
+      if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
+      {
+         int psxclock = atoi(var.value);
+         cycle_multiplier = 10000 / psxclock;
+      }
+#endif
    }
 }
 
-static int min(int a, int b)
+// Taken from beetle-psx-libretro
+static uint16_t get_analog_button(int16_t ret, retro_input_state_t input_state_cb, int player_index, int id)
 {
-    return a < b ? a : b;
+       // NOTE: Analog buttons were added Nov 2017. Not all front-ends support this
+       // feature (or pre-date it) so we need to handle this in a graceful way.
+
+       // First, try and get an analog value using the new libretro API constant
+       uint16_t button = input_state_cb(player_index,
+                                                                       RETRO_DEVICE_ANALOG,
+                                                                       RETRO_DEVICE_INDEX_ANALOG_BUTTON,
+                                                                       id);
+       button = MIN(button / 128, 255);
+
+       if (button == 0)
+       {
+               // If we got exactly zero, we're either not pressing the button, or the front-end
+               // is not reporting analog values. We need to do a second check using the classic
+               // digital API method, to at least get some response - better than nothing.
+
+               // NOTE: If we're really just not holding the button, we're still going to get zero.
+
+               button = (ret & (1 << id)) ? 255 : 0;
+       }
+
+       return button;
 }
 
 void retro_run(void)
 {
-    int i;
-    //SysReset must be run while core is running,Not in menu (Locks up Retroarch)
-    if(rebootemu != 0){
-      rebootemu = 0;
-      SysReset();
-    }
+       int i;
+       //SysReset must be run while core is running,Not in menu (Locks up Retroarch)
+       if (rebootemu != 0) {
+               rebootemu = 0;
+               SysReset();
+               if (!Config.HLE && !Config.SlowBoot) {
+                       // skip BIOS logos
+                       psxRegs.pc = psxRegs.GPR.n.ra;
+               }
+       }
+
+       if (display_internal_fps) {
+               frame_count++;
+
+               if (frame_count % INTERNAL_FPS_SAMPLE_PERIOD == 0) {
+                       unsigned internal_fps = pl_rearmed_cbs.flip_cnt * (is_pal_mode ? 50 : 60) / INTERNAL_FPS_SAMPLE_PERIOD;
+                       char str[64];
+                       const char *strc = (const char*)str;
+                       struct retro_message msg =
+                       {
+                               strc,
+                               180
+                       };
+
+                       str[0] = '\0';
+
+                       snprintf(str, sizeof(str), "Internal FPS: %2d", internal_fps);
+
+                       pl_rearmed_cbs.flip_cnt = 0;
+
+                       environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, &msg);
+               }
+       }
+   else
+               frame_count = 0;
 
        input_poll_cb();
 
@@ -1509,23 +1965,150 @@ void retro_run(void)
 
        // reset all keystate, query libretro for keystate
        int j;
-       for(i = 0; i < PORTS_NUMBER; i++) {
+       int lsx;
+       int rsy;
+       float negcon_twist_amplitude;
+       int negcon_i_rs;
+       int negcon_ii_rs;
+       for(i = 0; i < PORTS_NUMBER; i++)
+   {
+      int16_t ret    = 0;
                in_keystate[i] = 0;
 
                if (in_type[i] == PSE_PAD_TYPE_NONE)
                        continue;
 
-               // query libretro for keystate
-               for (j = 0; j < RETRO_PSX_MAP_LEN; j++)
-                       if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, j))
-                               in_keystate[i] |= retro_psx_map[j];
+      if (libretro_supports_bitmasks)
+         ret = input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_MASK);
+      else
+      {
+         unsigned j;
+         for (j = 0; j < (RETRO_DEVICE_ID_JOYPAD_R3+1); j++)
+         {
+            if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, j))
+               ret |= (1 << j);
+         }
+      }
 
-               if (in_type[i] == PSE_PAD_TYPE_ANALOGPAD)
+               if (in_type[i] == PSE_PAD_TYPE_NEGCON)
+               {
+                       // Query digital inputs
+                       //
+                       // > Pad-Up
+                       if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_UP))
+                               in_keystate[i] |= (1 << DKEY_UP);
+                       // > Pad-Right
+                       if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_RIGHT))
+                               in_keystate[i] |= (1 << DKEY_RIGHT);
+                       // > Pad-Down
+                       if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_DOWN))
+                               in_keystate[i] |= (1 << DKEY_DOWN);
+                       // > Pad-Left
+                       if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_LEFT))
+                               in_keystate[i] |= (1 << DKEY_LEFT);
+                       // > Start
+                       if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_START))
+                               in_keystate[i] |= (1 << DKEY_START);
+                       // > neGcon A
+                       if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_A))
+                               in_keystate[i] |= (1 << DKEY_CIRCLE);
+                       // > neGcon B
+                       if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_X))
+                               in_keystate[i] |= (1 << DKEY_TRIANGLE);
+                       // > neGcon R shoulder (digital)
+                       if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_R))
+                               in_keystate[i] |= (1 << DKEY_R1);
+                       // Query analog inputs
+                       //
+                       // From studying 'libpcsxcore/plugins.c' and 'frontend/plugin.c':
+                       // >> pad->leftJoyX  == in_analog_left[i][0]  == NeGcon II
+                       // >> pad->leftJoyY  == in_analog_left[i][1]  == NeGcon L
+                       // >> pad->rightJoyX == in_analog_right[i][0] == NeGcon twist
+                       // >> pad->rightJoyY == in_analog_right[i][1] == NeGcon I
+                       // So we just have to map in_analog_left/right to more
+                       // appropriate inputs...
+                       //
+                       // > NeGcon twist
+                       // >> Get raw analog stick value and account for deadzone
+                       lsx = input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X);
+                       if (lsx > negcon_deadzone)
+                               lsx = lsx - negcon_deadzone;
+                       else if (lsx < -negcon_deadzone)
+                               lsx = lsx + negcon_deadzone;
+                       else
+                               lsx = 0;
+                       // >> Convert to an 'amplitude' [-1.0,1.0] and adjust response
+                       negcon_twist_amplitude = (float)lsx / (float)(NEGCON_RANGE - negcon_deadzone);
+                       if (negcon_linearity == 2)
+         {
+                               if (negcon_twist_amplitude < 0.0)
+                                       negcon_twist_amplitude = -(negcon_twist_amplitude * negcon_twist_amplitude);
+            else
+                                       negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude;
+                       }
+         else if (negcon_linearity == 3)
+                               negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude * negcon_twist_amplitude;
+                       // >> Convert to final 'in_analog' integer value [0,255]
+                       in_analog_right[i][0] = MAX(MIN((int)(negcon_twist_amplitude * 128.0f) + 128, 255), 0);
+                       // > NeGcon I + II
+                       // >> Handle right analog stick vertical axis mapping...
+                       //    - Up (-Y) == accelerate == neGcon I
+                       //    - Down (+Y) == brake == neGcon II
+                       negcon_i_rs = 0;
+                       negcon_ii_rs = 0;
+                       rsy = input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y);
+                       if (rsy >= 0){
+                               // Account for deadzone
+                               // (Note: have never encountered a gamepad with significant differences
+                               // in deadzone between left/right analog sticks, so use the regular 'twist'
+                               // deadzone here)
+                               if (rsy > negcon_deadzone)
+                                       rsy = rsy - negcon_deadzone;
+            else
+                                       rsy = 0;
+                               // Convert to 'in_analog' integer value [0,255]
+                               negcon_ii_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
+                       } else {
+                               if (rsy < -negcon_deadzone)
+                                       rsy = -1 * (rsy + negcon_deadzone);
+            else
+                                       rsy = 0;
+                               negcon_i_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
+                       }
+                       // >> NeGcon I
+                       in_analog_right[i][1] = MAX(
+                               MAX(
+                                       get_analog_button(ret, input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_R2),
+                                       get_analog_button(ret, input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_B)
+                               ),
+                               negcon_i_rs
+                       );
+                       // >> NeGcon II
+                       in_analog_left[i][0] = MAX(
+                               MAX(
+                                       get_analog_button(ret, input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_L2),
+                                       get_analog_button(ret, input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_Y)
+                               ),
+                               negcon_ii_rs
+                       );
+                       // > NeGcon L
+                       in_analog_left[i][1] = get_analog_button(ret, input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_L);
+               }
+               else
                {
-                       in_analog_left[i][0] = min((input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X) / 255) + 128, 255);
-                       in_analog_left[i][1] = min((input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y) / 255) + 128, 255);
-                       in_analog_right[i][0] = min((input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X) / 255) + 128, 255);
-                       in_analog_right[i][1] = min((input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y) / 255) + 128, 255);
+                       // Query digital inputs
+                       for (j = 0; j < RETRO_PSX_MAP_LEN; j++)
+                               if (ret & (1 << j))
+                                       in_keystate[i] |= retro_psx_map[j];
+
+                       // Query analog inputs
+                       if (in_type[i] == PSE_PAD_TYPE_ANALOGJOY || in_type[i] == PSE_PAD_TYPE_ANALOGPAD)
+                       {
+                               in_analog_left[i][0] = MIN((input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X) / 255) + 128, 255);
+                               in_analog_left[i][1] = MIN((input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y) / 255) + 128, 255);
+                               in_analog_right[i][0] = MIN((input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X) / 255) + 128, 255);
+                               in_analog_right[i][1] = MIN((input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y) / 255) + 128, 255);
+                       }
                }
        }
 
@@ -1535,6 +2118,8 @@ void retro_run(void)
        video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf_ptr : NULL,
                vout_width, vout_height, vout_width * 2);
        vout_fb_dirty = 0;
+
+    set_vout_fb();
 }
 
 static bool try_use_bios(const char *path)
@@ -1579,7 +2164,7 @@ static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
                if (strncasecmp(ent->d_name, "scph", 4) != 0)
                        continue;
 
-               snprintf(path, path_size, "%s/%s", dirpath, ent->d_name);
+               snprintf(path, path_size, "%s%c%s", dirpath, SLASH, ent->d_name);
                ret = try_use_bios(path);
                if (ret)
                        break;
@@ -1597,14 +2182,107 @@ static void check_system_specs(void)
    environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
 }
 
-void retro_init(void)
+static int init_memcards(void)
+{
+       int ret = 0;
+       const char *dir;
+       struct retro_variable var = { .key="pcsx_rearmed_memcard2", .value=NULL };
+       static const char CARD2_FILE[] = "pcsx-card2.mcd";
+
+       // Memcard2 will be handled and is re-enabled if needed using core
+       // operations.
+       // Memcard1 is handled by libretro, doing this will set core to
+       // skip file io operations for memcard1 like SaveMcd
+       snprintf(Config.Mcd1, sizeof(Config.Mcd1), "none");
+       snprintf(Config.Mcd2, sizeof(Config.Mcd2), "none");
+       init_memcard(Mcd1Data);
+       // Memcard 2 is managed by the emulator on the filesystem,
+       // There is no need to initialize Mcd2Data like Mcd1Data.
+
+       if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
+               SysPrintf("Memcard 2: %s\n", var.value);
+               if (memcmp(var.value, "enabled", 7) == 0) {
+                       if (environ_cb(RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY, &dir) && dir) {
+                               if (strlen(dir) + strlen(CARD2_FILE) + 2 > sizeof(Config.Mcd2)) {
+                                       SysPrintf("Path '%s' is too long. Cannot use memcard 2. Use a shorter path.\n", dir);
+                                       ret = -1;
+                               } else {
+                                       McdDisable[1] = 0;
+                                       snprintf(Config.Mcd2, sizeof(Config.Mcd2), "%s/%s", dir, CARD2_FILE);
+                                       SysPrintf("Use memcard 2: %s\n", Config.Mcd2);
+                               }
+                       } else {
+                               SysPrintf("Could not get save directory! Could not create memcard 2.");
+                               ret = -1;
+                       }
+               }
+       }
+       return ret;
+}
+
+static void loadPSXBios(void)
 {
-       const char *bios[] = { "scph1001", "scph5501", "scph7001" };
        const char *dir;
        char path[256];
-       int i, ret;
-   
-   found_bios = false;
+       unsigned useHLE = 0;
+
+       const char *bios[] = {
+               "SCPH101", "scph101",
+               "SCPH5501", "scph5501",
+               "SCPH7001", "scph7001",
+               "SCPH1001", "scph1001"
+       };
+
+       struct retro_variable var = {
+               .key = "pcsx_rearmed_bios",
+               .value = NULL
+       };
+
+       found_bios = 0;
+
+       if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
+               if (!strcmp(var.value, "HLE"))
+                       useHLE = 1;
+       }
+
+       if (!useHLE)
+       {
+               if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
+               {
+                       unsigned i;
+                       snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s", dir);
+
+                       for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++) {
+                               snprintf(path, sizeof(path), "%s%c%s.bin", dir, SLASH, bios[i]);
+                               found_bios = try_use_bios(path);
+                               if (found_bios)
+                                       break;
+                       }
+
+                       if (!found_bios)
+                               found_bios = find_any_bios(dir, path, sizeof(path));
+               }
+               if (found_bios) {
+                       SysPrintf("found BIOS file: %s\n", Config.Bios);
+               }
+       }
+
+       if (useHLE || !found_bios)
+       {
+               SysPrintf("no BIOS files found.\n");
+               struct retro_message msg =
+               {
+                       "No PlayStation BIOS file found - add for better compatibility",
+                       180
+               };
+               environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, (void*)&msg);
+       }
+}
+
+void retro_init(void)
+{
+       struct retro_rumble_interface rumble;
+       int ret;
 
 #ifdef __MACH__
        // magic sauce to make the dynarec work on iOS
@@ -1622,11 +2300,12 @@ void retro_init(void)
    psxUnmapHook = pl_vita_munmap;
 #endif
        ret = emu_core_preinit();
-#ifdef _3DS 
+#ifdef _3DS
    /* emu_core_preinit sets the cpu to dynarec */
    if(!__ctr_svchax)
       Config.Cpu = CPU_INTERPRETER;
 #endif
+       ret |= init_memcards();
 
        ret |= emu_core_init();
        if (ret != 0) {
@@ -1641,40 +2320,17 @@ void retro_init(void)
 #else
        vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
 #endif
-  
-  vout_buf_ptr = vout_buf;
-  
-       if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
-       {
-               snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s", dir);
 
-               for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++) {
-                       snprintf(path, sizeof(path), "%s/%s.bin", dir, bios[i]);
-                       found_bios = try_use_bios(path);
-                       if (found_bios)
-                               break;
-               }
+       vout_buf_ptr = vout_buf;
 
-               if (!found_bios)
-                       found_bios = find_any_bios(dir, path, sizeof(path));
-       }
-       if (found_bios) {
-               SysPrintf("found BIOS file: %s\n", Config.Bios);
-       }
-       else
-       {
-               SysPrintf("no BIOS files found.\n");
-               struct retro_message msg =
-               {
-                       "no BIOS found, expect bugs!",
-                       180
-               };
-               environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, (void*)&msg);
-       }
+       loadPSXBios();
 
        environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
        environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
-       environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble);
+
+       rumble_cb = NULL;
+       if (environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble))
+               rumble_cb = rumble.set_rumble_state;
 
        /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
         * we have to do this because cache misses and some IO penalties
@@ -1684,19 +2340,18 @@ void retro_init(void)
        cycle_multiplier = 200;
 #endif
        pl_rearmed_cbs.gpu_peops.iUseDither = 1;
+   pl_rearmed_cbs.gpu_peops.dwActFixes = 1 << 7;
        spu_config.iUseFixedUpdates = 1;
 
-       McdDisable[0] = 0;
-       McdDisable[1] = 1;
-       init_memcard(Mcd1Data);
-   init_memcard(Mcd2Data);
-
        SaveFuncs.open = save_open;
        SaveFuncs.read = save_read;
        SaveFuncs.write = save_write;
        SaveFuncs.seek = save_seek;
        SaveFuncs.close = save_close;
 
+   if (environ_cb(RETRO_ENVIRONMENT_GET_INPUT_BITMASKS, NULL))
+      libretro_supports_bitmasks = true;
+
        update_variables(false);
        check_system_specs();
 }
@@ -1714,6 +2369,7 @@ void retro_deinit(void)
 #ifdef VITA
   deinit_vita_mmap();
 #endif
+   libretro_supports_bitmasks = false;
 }
 
 #ifdef VITA
@@ -1723,3 +2379,15 @@ int usleep (unsigned long us)
    sceKernelDelayThread(us);
 }
 #endif
+
+void SysPrintf(const char *fmt, ...) {
+       va_list list;
+       char msg[512];
+
+       va_start(list, fmt);
+       vsprintf(msg, fmt, list);
+       va_end(list);
+
+       if (log_cb)
+               log_cb(RETRO_LOG_INFO, "%s", msg);
+}