X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=frontend%2Flibretro.c;h=a26d4662639ab428e8f7d08c568db5b6a3963332;hb=80bc142638988fa7ba87aa17af1ccfcfc21d1e99;hp=59e986e7e22c66448c2f0bc8302f619a09d43c11;hpb=c54faa9105622e0d0dbf66651322610c96216501;p=pcsx_rearmed.git

diff --git a/frontend/libretro.c b/frontend/libretro.c
index 59e986e7..a26d4662 100644
--- a/frontend/libretro.c
+++ b/frontend/libretro.c
@@ -29,7 +29,6 @@
 #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"
@@ -80,22 +79,44 @@ static unsigned msg_interface_version = 0;
 static void *vout_buf;
 static void *vout_buf_ptr;
 static int vout_width, vout_height;
-static int vout_doffs_old, vout_fb_dirty;
+static int vout_fb_dirty;
+static int psx_w, psx_h;
 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 bool libretro_supports_option_categories = false;
+static bool show_input_settings = true;
 #ifdef GPU_PEOPS
-static int show_advanced_gpu_peops_settings = -1;
+static bool show_advanced_gpu_peops_settings = true;
 #endif
 #ifdef GPU_UNAI
-static int show_advanced_gpu_unai_settings = -1;
+static bool show_advanced_gpu_unai_settings = true;
 #endif
-static int show_other_input_settings = -1;
 static float mouse_sensitivity = 1.0f;
 
+typedef enum
+{
+   FRAMESKIP_NONE = 0,
+   FRAMESKIP_AUTO,
+   FRAMESKIP_AUTO_THRESHOLD,
+   FRAMESKIP_FIXED_INTERVAL
+} frameskip_type_t;
+
+static unsigned frameskip_type                  = FRAMESKIP_NONE;
+static unsigned frameskip_threshold             = 0;
+static unsigned frameskip_interval              = 0;
+static unsigned frameskip_counter               = 0;
+
+static int retro_audio_buff_active              = false;
+static unsigned retro_audio_buff_occupancy      = 0;
+static int retro_audio_buff_underrun            = false;
+
+static unsigned retro_audio_latency             = 0;
+static int update_audio_latency                 = false;
+
 static unsigned previous_width = 0;
 static unsigned previous_height = 0;
 
@@ -219,6 +240,8 @@ static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
 {
    vout_width = w;
    vout_height = h;
+   psx_w = raw_w;
+   psx_h = raw_h;
 
    if (previous_width != vout_width || previous_height != vout_height)
    {
@@ -246,29 +269,22 @@ static void convert(void *buf, size_t bytes)
 }
 #endif
 
-static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
+static void vout_flip(const void *vram, int stride, int bgr24,
+      int x, int y, int w, int h, int dims_changed)
 {
    unsigned short *dest = vout_buf_ptr;
    const unsigned short *src = vram;
    int dstride = vout_width, h1 = h;
-   int doffs;
 
-   if (vram == NULL)
+   if (vram == NULL || dims_changed)
    {
+      memset(vout_buf_ptr, 0, dstride * vout_height * 2);
       // blanking
-      memset(vout_buf_ptr, 0, dstride * h * 2);
-      goto out;
+      if (vram == NULL)
+         goto out;
    }
 
-   doffs = (vout_height - h) * dstride;
-   doffs += (dstride - w) / 2 & ~1;
-   if (doffs != vout_doffs_old)
-   {
-      // clear borders
-      memset(vout_buf_ptr, 0, dstride * h * 2);
-      vout_doffs_old = doffs;
-   }
-   dest += doffs;
+   dest += x + y * dstride;
 
    if (bgr24)
    {
@@ -480,7 +496,7 @@ struct rearmed_cbs pl_rearmed_cbs = {
 void pl_frame_limit(void)
 {
    /* called once per frame, make psxCpu->Execute() above return */
-   stop = 1;
+   stop++;
 }
 
 void pl_timing_prepare(int is_pal)
@@ -500,7 +516,7 @@ void plat_trigger_vibrate(int pad, int low, int high)
    }
 }
 
-void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in)
+void pl_gun_byte2(int port, unsigned char byte)
 {
 }
 
@@ -556,8 +572,155 @@ static const struct retro_controller_info ports[9] =
 };
 
 /* libretro */
+
+static bool update_option_visibility(void)
+{
+   struct retro_variable var                       = {0};
+   struct retro_core_option_display option_display = {0};
+   bool updated                                    = false;
+   unsigned i;
+
+   /* If frontend supports core option categories
+    * then show/hide core option entries are ignored
+    * and no options should be hidden */
+   if (libretro_supports_option_categories)
+      return false;
+
+   var.key = "pcsx_rearmed_show_input_settings";
+   var.value = NULL;
+
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+   {
+      bool show_input_settings_prev =
+            show_input_settings;
+
+      show_input_settings = true;
+      if (strcmp(var.value, "disabled") == 0)
+         show_input_settings = false;
+
+      if (show_input_settings !=
+            show_input_settings_prev)
+      {
+         char input_option[][50] = {
+            "pcsx_rearmed_analog_axis_modifier",
+            "pcsx_rearmed_vibration",
+            "pcsx_rearmed_multitap",
+            "pcsx_rearmed_negcon_deadzone",
+            "pcsx_rearmed_negcon_response",
+            "pcsx_rearmed_input_sensitivity",
+            "pcsx_rearmed_gunconadjustx",
+            "pcsx_rearmed_gunconadjusty",
+            "pcsx_rearmed_gunconadjustratiox",
+            "pcsx_rearmed_gunconadjustratioy"
+         };
+
+         option_display.visible = show_input_settings;
+
+         for (i = 0;
+              i < (sizeof(input_option) /
+                     sizeof(input_option[0]));
+              i++)
+         {
+            option_display.key = input_option[i];
+            environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
+                  &option_display);
+         }
+
+         updated = true;
+      }
+   }
+#ifdef GPU_PEOPS
+   var.key = "pcsx_rearmed_show_gpu_peops_settings";
+   var.value = NULL;
+
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+   {
+      bool show_advanced_gpu_peops_settings_prev =
+            show_advanced_gpu_peops_settings;
+
+      show_advanced_gpu_peops_settings = true;
+      if (strcmp(var.value, "disabled") == 0)
+         show_advanced_gpu_peops_settings = false;
+
+      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[][45] = {
+            "pcsx_rearmed_gpu_peops_odd_even_bit",
+            "pcsx_rearmed_gpu_peops_expand_screen_width",
+            "pcsx_rearmed_gpu_peops_ignore_brightness",
+            "pcsx_rearmed_gpu_peops_disable_coord_check",
+            "pcsx_rearmed_gpu_peops_lazy_screen_update",
+            "pcsx_rearmed_gpu_peops_repeated_triangles",
+            "pcsx_rearmed_gpu_peops_quads_with_triangles",
+            "pcsx_rearmed_gpu_peops_fake_busy_state"
+         };
+
+         option_display.visible = show_advanced_gpu_peops_settings;
+
+         for (i = 0;
+              i < (sizeof(gpu_peops_option) /
+                     sizeof(gpu_peops_option[0]));
+              i++)
+         {
+            option_display.key = gpu_peops_option[i];
+            environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
+                  &option_display);
+         }
+
+         updated = true;
+      }
+   }
+#endif
+#ifdef GPU_UNAI
+   var.key = "pcsx_rearmed_show_gpu_unai_settings";
+   var.value = NULL;
+
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+   {
+      bool show_advanced_gpu_unai_settings_prev =
+            show_advanced_gpu_unai_settings;
+
+      show_advanced_gpu_unai_settings = true;
+      if (strcmp(var.value, "disabled") == 0)
+         show_advanced_gpu_unai_settings = false;
+
+      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[][40] = {
+            "pcsx_rearmed_gpu_unai_blending",
+            "pcsx_rearmed_gpu_unai_lighting",
+            "pcsx_rearmed_gpu_unai_fast_lighting",
+            "pcsx_rearmed_gpu_unai_scale_hires",
+         };
+
+         option_display.visible = show_advanced_gpu_unai_settings;
+
+         for (i = 0;
+              i < (sizeof(gpu_unai_option) /
+                     sizeof(gpu_unai_option[0]));
+              i++)
+         {
+            option_display.key = gpu_unai_option[i];
+            environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
+                  &option_display);
+         }
+
+         updated = true;
+      }
+   }
+#endif
+   return updated;
+}
+
 void retro_set_environment(retro_environment_t cb)
 {
+   bool option_categories = false;
 #ifdef USE_LIBRETRO_VFS
    struct retro_vfs_interface_info vfs_iface_info;
 #endif
@@ -568,7 +731,54 @@ void retro_set_environment(retro_environment_t cb)
       log_cb = logging.log;
 
    environ_cb(RETRO_ENVIRONMENT_SET_CONTROLLER_INFO, (void*)ports);
-   libretro_set_core_options(environ_cb);
+
+   /* Set core options
+    * An annoyance: retro_set_environment() can be called
+    * multiple times, and depending upon the current frontend
+    * state various environment callbacks may be disabled.
+    * This means the reported 'categories_supported' status
+    * may change on subsequent iterations. We therefore have
+    * to record whether 'categories_supported' is true on any
+    * iteration, and latch the result */
+   libretro_set_core_options(environ_cb, &option_categories);
+   libretro_supports_option_categories |= option_categories;
+
+   /* If frontend supports core option categories,
+    * any show/hide core option entries are unused
+    * and should be hidden */
+   if (libretro_supports_option_categories)
+   {
+      struct retro_core_option_display option_display;
+      option_display.visible = false;
+
+      option_display.key = "pcsx_rearmed_show_input_settings";
+      environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
+            &option_display);
+
+#ifdef GPU_PEOPS
+      option_display.key = "pcsx_rearmed_show_gpu_peops_settings";
+      environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
+            &option_display);
+#endif
+#ifdef GPU_UNAI
+      option_display.key = "pcsx_rearmed_show_gpu_unai_settings";
+      environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
+            &option_display);
+#endif
+   }
+   /* If frontend does not support core option
+    * categories, core options may be shown/hidden
+    * at runtime. In this case, register 'update
+    * display' callback, so frontend can update
+    * core options menu without calling retro_run() */
+   else
+   {
+      struct retro_core_options_update_display_callback update_display_cb;
+      update_display_cb.callback = update_option_visibility;
+
+      environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_UPDATE_DISPLAY_CALLBACK,
+            &update_display_cb);
+   }
 
 #ifdef USE_LIBRETRO_VFS
    vfs_iface_info.required_interface_version = 1;
@@ -654,8 +864,8 @@ void retro_get_system_info(struct retro_system_info *info)
 #endif
    memset(info, 0, sizeof(*info));
    info->library_name     = "PCSX-ReARMed";
-   info->library_version  = "r22" GIT_VERSION;
-   info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u|chd";
+   info->library_version  = "r23l" GIT_VERSION;
+   info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u|chd|iso|exe";
    info->need_fullpath    = true;
 }
 
@@ -783,12 +993,13 @@ void retro_cheat_reset(void)
 
 void retro_cheat_set(unsigned index, bool enabled, const char *code)
 {
-   char buf[256];
-   int ret;
+   int ret = -1;
+   char *buf;
 
-   // cheat funcs are destructive, need a copy..
-   strncpy(buf, code, sizeof(buf));
-   buf[sizeof(buf) - 1] = 0;
+   // cheat funcs are destructive, need a copy...
+   buf = strdup(code);
+   if (buf == NULL)
+      goto finish;
 
    //Prepare buffered cheat for PCSX's AddCheat fucntion.
    int cursor = 0;
@@ -814,10 +1025,12 @@ void retro_cheat_set(unsigned index, bool enabled, const char *code)
    else
       ret = AddCheat("", buf);
 
+finish:
    if (ret != 0)
       SysPrintf("Failed to set cheat %#u\n", index);
    else if (index < NumCheats)
       Cheats[index].Enabled = enabled;
+   free(buf);
 }
 
 // just in case, maybe a win-rt port in the future?
@@ -1195,12 +1408,69 @@ static void set_retro_memmap(void)
 #endif
 }
 
+static void retro_audio_buff_status_cb(
+   bool active, unsigned occupancy, bool underrun_likely)
+{
+   retro_audio_buff_active    = active;
+   retro_audio_buff_occupancy = occupancy;
+   retro_audio_buff_underrun  = underrun_likely;
+}
+
+static void retro_set_audio_buff_status_cb(void)
+{
+   if (frameskip_type == FRAMESKIP_NONE)
+   {
+      environ_cb(RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK, NULL);
+      retro_audio_latency = 0;
+   }
+   else
+   {
+      bool calculate_audio_latency = true;
+
+      if (frameskip_type == FRAMESKIP_FIXED_INTERVAL)
+         environ_cb(RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK, NULL);
+      else
+      {
+         struct retro_audio_buffer_status_callback buf_status_cb;
+         buf_status_cb.callback = retro_audio_buff_status_cb;
+         if (!environ_cb(RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK,
+                         &buf_status_cb))
+         {
+            retro_audio_buff_active    = false;
+            retro_audio_buff_occupancy = 0;
+            retro_audio_buff_underrun  = false;
+            retro_audio_latency        = 0;
+            calculate_audio_latency    = false;
+         }
+      }
+
+      if (calculate_audio_latency)
+      {
+         /* Frameskip is enabled - increase frontend
+          * audio latency to minimise potential
+          * buffer underruns */
+         uint32_t frame_time_usec = 1000000.0 / (is_pal_mode ? 50.0 : 60.0);
+
+         /* Set latency to 6x current frame time... */
+         retro_audio_latency = (unsigned)(6 * frame_time_usec / 1000);
+
+         /* ...then round up to nearest multiple of 32 */
+         retro_audio_latency = (retro_audio_latency + 0x1F) & ~0x1F;
+      }
+   }
+
+   update_audio_latency = true;
+   frameskip_counter    = 0;
+}
+
 static void update_variables(bool in_flight);
 bool retro_load_game(const struct retro_game_info *info)
 {
    size_t i;
    unsigned int cd_index = 0;
    bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
+   bool is_exe = (strcasestr(info->path, ".exe") != NULL);
+   int ret;
 
    struct retro_input_descriptor desc[] = {
 #define JOYP(port)                                                                                                \
@@ -1223,8 +1493,12 @@ bool retro_load_game(const struct retro_game_info *info)
       { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X,  "Left Analog X" },  \
       { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y,  "Left Analog Y" },  \
       { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" }, \
-      { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
-
+      { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" }, \
+      { port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_TRIGGER, "Gun Trigger" },                        \
+      { port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_RELOAD,  "Gun Reload" },                         \
+      { port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_AUX_A,   "Gun Aux A" },                          \
+      { port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_AUX_B,   "Gun Aux B" },
+      
       JOYP(0)
       JOYP(1)
       JOYP(2)
@@ -1337,14 +1611,12 @@ bool retro_load_game(const struct retro_game_info *info)
 
       for (i = 0; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++)
       {
-         char disk_name[PATH_MAX];
-         char disk_label[PATH_MAX];
-         disk_name[0] = '\0';
-         disk_label[0] = '\0';
+         char disk_name[PATH_MAX - 16] = { 0 };
+         char disk_label[PATH_MAX] = { 0 };
 
          disks[i].fname = strdup(info->path);
 
-         get_disk_label(disk_name, info->path, PATH_MAX);
+         get_disk_label(disk_name, info->path, sizeof(disk_name));
          snprintf(disk_label, sizeof(disk_label), "%s #%u", disk_name, (unsigned)i + 1);
          disks[i].flabel = strdup(disk_label);
 
@@ -1392,7 +1664,7 @@ bool retro_load_game(const struct retro_game_info *info)
    plugin_call_rearmed_cbs();
    /* dfinput_activate(); */
 
-   if (CheckCdrom() == -1)
+   if (!is_exe && CheckCdrom() == -1)
    {
       log_cb(RETRO_LOG_INFO, "unsupported/invalid CD image: %s\n", info->path);
       return false;
@@ -1400,14 +1672,19 @@ bool retro_load_game(const struct retro_game_info *info)
 
    SysReset();
 
-   if (LoadCdrom() == -1)
+   if (is_exe)
+      ret = Load(info->path);
+   else
+      ret = LoadCdrom();
+   if (ret != 0)
    {
-      log_cb(RETRO_LOG_INFO, "could not load CD\n");
+      log_cb(RETRO_LOG_INFO, "could not load %s (%d)\n", is_exe ? "exe" : "CD", ret);
       return false;
    }
    emu_on_new_cd(0);
 
    set_retro_memmap();
+   retro_set_audio_buff_status_cb();
 
    return true;
 }
@@ -1476,13 +1753,46 @@ static void update_variables(bool in_flight)
 {
    struct retro_variable var;
 #ifdef GPU_PEOPS
-   int gpu_peops_fix = 0;
+   // Always enable GPU_PEOPS_OLD_FRAME_SKIP flag
+   // (this is set in standalone, with no option
+   // to change it)
+   int gpu_peops_fix = GPU_PEOPS_OLD_FRAME_SKIP;
 #endif
+   frameskip_type_t prev_frameskip_type;
+
+   var.value = NULL;
+   var.key = "pcsx_rearmed_frameskip_type";
+
+   prev_frameskip_type = frameskip_type;
+   frameskip_type = FRAMESKIP_NONE;
+   pl_rearmed_cbs.frameskip = 0;
+
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+   {
+      if (strcmp(var.value, "auto") == 0)
+         frameskip_type = FRAMESKIP_AUTO;
+      if (strcmp(var.value, "auto_threshold") == 0)
+         frameskip_type = FRAMESKIP_AUTO_THRESHOLD;
+      if (strcmp(var.value, "fixed_interval") == 0)
+         frameskip_type = FRAMESKIP_FIXED_INTERVAL;
+   }
 
+   if (frameskip_type != 0)
+      pl_rearmed_cbs.frameskip = -1;
+   
    var.value = NULL;
-   var.key = "pcsx_rearmed_frameskip";
+   var.key = "pcsx_rearmed_frameskip_threshold";
    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
-      pl_rearmed_cbs.frameskip = atoi(var.value);
+   {
+     frameskip_threshold = strtol(var.value, NULL, 10);
+   }
+
+   var.value = NULL;
+   var.key = "pcsx_rearmed_frameskip_interval";
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+   {
+     frameskip_interval = strtol(var.value, NULL, 10);
+   }   
 
    var.value = NULL;
    var.key = "pcsx_rearmed_region";
@@ -1558,7 +1868,7 @@ static void update_variables(bool in_flight)
          pl_rearmed_cbs.gpu_peops.iUseDither = 0;
          pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 0;
          pl_rearmed_cbs.gpu_unai.dithering = 0;
-#ifdef __ARM_NEON__
+#ifdef GPU_NEON
          pl_rearmed_cbs.gpu_neon.allow_dithering = 0;
 #endif
       }
@@ -1567,7 +1877,7 @@ static void update_variables(bool in_flight)
          pl_rearmed_cbs.gpu_peops.iUseDither    = 1;
          pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 1;
          pl_rearmed_cbs.gpu_unai.dithering = 1;
-#ifdef __ARM_NEON__
+#ifdef GPU_NEON
          pl_rearmed_cbs.gpu_neon.allow_dithering = 1;
 #endif
       }
@@ -1575,7 +1885,7 @@ static void update_variables(bool in_flight)
 
 #ifdef GPU_NEON
    var.value = NULL;
-   var.key = "pcsx_rearmed_neon_interlace_enable";
+   var.key = "pcsx_rearmed_neon_interlace_enable_v2";
 
    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
    {
@@ -1583,6 +1893,8 @@ static void update_variables(bool in_flight)
          pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
       else if (strcmp(var.value, "enabled") == 0)
          pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
+      else // auto
+         pl_rearmed_cbs.gpu_neon.allow_interlace = 2;
    }
 
    var.value = NULL;
@@ -1630,7 +1942,9 @@ static void update_variables(bool in_flight)
          display_internal_fps = true;
    }
 
-#if defined(LIGHTREC) || defined(NEW_DYNAREC)
+   //
+   // CPU emulation related config
+#ifndef DRC_DISABLE
    var.value = NULL;
    var.key = "pcsx_rearmed_drc";
 
@@ -1639,18 +1953,13 @@ static void update_variables(bool in_flight)
 
    {
       R3000Acpu *prev_cpu = psxCpu;
-#if defined(LIGHTREC)
-      bool can_use_dynarec = found_bios;
-#else
-      bool can_use_dynarec = 1;
-#endif
 
 #ifdef _3DS
       if (!__ctr_svchax)
          Config.Cpu = CPU_INTERPRETER;
       else
 #endif
-      if (strcmp(var.value, "disabled") == 0 || !can_use_dynarec)
+      if (strcmp(var.value, "disabled") == 0)
          Config.Cpu = CPU_INTERPRETER;
       else if (strcmp(var.value, "enabled") == 0)
          Config.Cpu = CPU_DYNAREC;
@@ -1658,94 +1967,158 @@ static void update_variables(bool in_flight)
       psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
       if (psxCpu != prev_cpu)
       {
+         prev_cpu->Notify(R3000ACPU_NOTIFY_BEFORE_SAVE, NULL);
          prev_cpu->Shutdown();
          psxCpu->Init();
-         psxCpu->Reset(); // not really a reset..
+         psxCpu->Reset();
+         psxCpu->Notify(R3000ACPU_NOTIFY_AFTER_LOAD, NULL);
       }
    }
-#endif /* LIGHTREC || NEW_DYNAREC */
+#endif /* !DRC_DISABLE */
 
    var.value = NULL;
-   var.key = "pcsx_rearmed_spu_reverb";
+   var.key = "pcsx_rearmed_psxclock";
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+   {
+      int psxclock = atoi(var.value);
+      Config.cycle_multiplier = 10000 / psxclock;
+   }
 
+#if !defined(DRC_DISABLE) && !defined(LIGHTREC)
+   var.value = NULL;
+   var.key = "pcsx_rearmed_nosmccheck";
    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
    {
-      if (strcmp(var.value, "disabled") == 0)
-         spu_config.iUseReverb = false;
-      else if (strcmp(var.value, "enabled") == 0)
-         spu_config.iUseReverb = true;
+      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_spu_interpolation";
+   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, "simple") == 0)
-         spu_config.iUseInterpolation = 1;
-      else if (strcmp(var.value, "gaussian") == 0)
-         spu_config.iUseInterpolation = 2;
-      else if (strcmp(var.value, "cubic") == 0)
-         spu_config.iUseInterpolation = 3;
-      else if (strcmp(var.value, "off") == 0)
-         spu_config.iUseInterpolation = 0;
+      if (strcmp(var.value, "enabled") == 0)
+         new_dynarec_hacks |= NDHACK_GTE_NO_FLAGS;
+      else
+         new_dynarec_hacks &= ~NDHACK_GTE_NO_FLAGS;
+   }
+
+   var.value = NULL;
+   var.key = "pcsx_rearmed_nocompathacks";
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+   {
+      if (strcmp(var.value, "enabled") == 0)
+         new_dynarec_hacks |= NDHACK_NO_COMPAT_HACKS;
+      else
+         new_dynarec_hacks &= ~NDHACK_NO_COMPAT_HACKS;
    }
+#endif /* !DRC_DISABLE && !LIGHTREC */
 
    var.value = NULL;
-   var.key = "pcsx_rearmed_pe2_fix";
+   var.key = "pcsx_rearmed_nostalls";
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+   {
+      if (strcmp(var.value, "enabled") == 0)
+         Config.DisableStalls = 1;
+      else
+         Config.DisableStalls = 0;
+   }
 
+   var.value = NULL;
+   var.key = "pcsx_rearmed_icache_emulation";
    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
    {
       if (strcmp(var.value, "disabled") == 0)
-         Config.RCntFix = 0;
+         Config.icache_emulation = 0;
       else if (strcmp(var.value, "enabled") == 0)
-         Config.RCntFix = 1;
+         Config.icache_emulation = 1;
    }
 
    var.value = NULL;
-   var.key = "pcsx_rearmed_idiablofix";
+   var.key = "pcsx_rearmed_exception_emulation";
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+   {
+      if (strcmp(var.value, "enabled") == 0)
+         Config.PreciseExceptions = 1;
+      else
+         Config.PreciseExceptions = 0;
+   }
+
+   psxCpu->ApplyConfig();
+
+   // end of CPU emu config
+   //
+
+   var.value = NULL;
+   var.key = "pcsx_rearmed_spu_reverb";
 
    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
    {
       if (strcmp(var.value, "disabled") == 0)
-         spu_config.idiablofix = 0;
+         spu_config.iUseReverb = false;
       else if (strcmp(var.value, "enabled") == 0)
-         spu_config.idiablofix = 1;
+         spu_config.iUseReverb = true;
    }
 
    var.value = NULL;
-   var.key = "pcsx_rearmed_inuyasha_fix";
+   var.key = "pcsx_rearmed_spu_interpolation";
 
    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
    {
-      if (strcmp(var.value, "disabled") == 0)
-         Config.VSyncWA = 0;
-      else if (strcmp(var.value, "enabled") == 0)
-         Config.VSyncWA = 1;
+      if (strcmp(var.value, "simple") == 0)
+         spu_config.iUseInterpolation = 1;
+      else if (strcmp(var.value, "gaussian") == 0)
+         spu_config.iUseInterpolation = 2;
+      else if (strcmp(var.value, "cubic") == 0)
+         spu_config.iUseInterpolation = 3;
+      else if (strcmp(var.value, "off") == 0)
+         spu_config.iUseInterpolation = 0;
    }
 
-#ifndef _WIN32
    var.value = NULL;
-   var.key = "pcsx_rearmed_async_cd";
+   var.key = "pcsx_rearmed_spu_thread";
    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
    {
-      if (strcmp(var.value, "async") == 0)
-      {
-         Config.AsyncCD = 1;
-         Config.CHD_Precache = 0;
-      }
-      else if (strcmp(var.value, "sync") == 0)
-      {
-         Config.AsyncCD = 0;
-         Config.CHD_Precache = 0;
-      }
-      else if (strcmp(var.value, "precache") == 0)
-      {
-         Config.AsyncCD = 0;
-         Config.CHD_Precache = 1;
-      }
+      if (strcmp(var.value, "enabled") == 0)
+         spu_config.iUseThread = 1;
+      else
+         spu_config.iUseThread = 0;
+   }
+
+   if (P_HAVE_PTHREAD) {
+	   var.value = NULL;
+	   var.key = "pcsx_rearmed_async_cd";
+	   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+	   {
+		  if (strcmp(var.value, "async") == 0)
+		  {
+			 Config.AsyncCD = 1;
+			 Config.CHD_Precache = 0;
+		  }
+		  else if (strcmp(var.value, "sync") == 0)
+		  {
+			 Config.AsyncCD = 0;
+			 Config.CHD_Precache = 0;
+		  }
+		  else if (strcmp(var.value, "precache") == 0)
+		  {
+			 Config.AsyncCD = 0;
+			 Config.CHD_Precache = 1;
+		  }
+       }
    }
-#endif
 
    var.value = NULL;
    var.key = "pcsx_rearmed_noxadecoding";
@@ -1768,13 +2141,41 @@ static void update_variables(bool in_flight)
    }
 
    var.value = NULL;
-   var.key = "pcsx_rearmed_spuirq";
+   var.key = "pcsx_rearmed_gpu_slow_llists";
    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
    {
       if (strcmp(var.value, "disabled") == 0)
-         Config.SpuIrq = 0;
-      else
-         Config.SpuIrq = 1;
+         Config.GpuListWalking = 0;
+      else if (strcmp(var.value, "enabled") == 0)
+         Config.GpuListWalking = 1;
+      else // auto
+         Config.GpuListWalking = -1;
+   }
+
+   var.value = NULL;
+   var.key = "pcsx_rearmed_screen_centering";
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+   {
+      if (strcmp(var.value, "game") == 0)
+         pl_rearmed_cbs.screen_centering_type = 1;
+      else if (strcmp(var.value, "manual") == 0)
+         pl_rearmed_cbs.screen_centering_type = 2;
+      else // auto
+         pl_rearmed_cbs.screen_centering_type = 0;
+   }
+
+   var.value = NULL;
+   var.key = "pcsx_rearmed_screen_centering_x";
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+   {
+      pl_rearmed_cbs.screen_centering_x = atoi(var.value);
+   }
+
+   var.value = NULL;
+   var.key = "pcsx_rearmed_screen_centering_y";
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+   {
+      pl_rearmed_cbs.screen_centering_y = atoi(var.value);
    }
 
 #ifdef THREAD_RENDERING
@@ -1838,15 +2239,6 @@ static void update_variables(bool in_flight)
          gpu_peops_fix |= GPU_PEOPS_LAZY_SCREEN_UPDATE;
    }
 
-   var.value = NULL;
-   var.key = "pcsx_rearmed_gpu_peops_old_frame_skip";
-
-   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
-   {
-      if (strcmp(var.value, "enabled") == 0)
-         gpu_peops_fix |= GPU_PEOPS_OLD_FRAME_SKIP;
-   }
-
    var.value = NULL;
    var.key = "pcsx_rearmed_gpu_peops_repeated_triangles";
 
@@ -1876,69 +2268,18 @@ static void update_variables(bool in_flight)
 
    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][45] = {
-            "pcsx_rearmed_gpu_peops_odd_even_bit",
-            "pcsx_rearmed_gpu_peops_expand_screen_width",
-            "pcsx_rearmed_gpu_peops_ignore_brightness",
-            "pcsx_rearmed_gpu_peops_disable_coord_check",
-            "pcsx_rearmed_gpu_peops_lazy_screen_update",
-            "pcsx_rearmed_gpu_peops_old_frame_skip",
-            "pcsx_rearmed_gpu_peops_repeated_triangles",
-            "pcsx_rearmed_gpu_peops_quads_with_triangles",
-            "pcsx_rearmed_gpu_peops_fake_busy_state"
-         };
-
-         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;
-   }
+   /* Note: This used to be an option, but it only works
+    * (correctly) when running high resolution games
+    * (480i, 512i) and has been obsoleted by
+    * pcsx_rearmed_gpu_unai_scale_hires */
+   pl_rearmed_cbs.gpu_unai.ilace_force = 0;
+   /* Note: This used to be an option, but it has no
+    * discernable effect and has been obsoleted by
+    * pcsx_rearmed_gpu_unai_scale_hires */
+   pl_rearmed_cbs.gpu_unai.pixel_skip = 0;
 
    var.key = "pcsx_rearmed_gpu_unai_lighting";
    var.value = NULL;
@@ -1983,40 +2324,6 @@ static void update_variables(bool in_flight)
       else if (strcmp(var.value, "enabled") == 0)
          pl_rearmed_cbs.gpu_unai.scale_hires = 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[6][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",
-            "pcsx_rearmed_gpu_unai_scale_hires",
-         };
-
-         option_display.visible = show_advanced_gpu_unai_settings;
-
-         for (i = 0; i < 6; i++)
-         {
-            option_display.key = gpu_unai_option[i];
-            environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY, &option_display);
-         }
-      }
-   }
 #endif // GPU_UNAI
 
    //This adjustment process gives the user the ability to manually align the mouse up better
@@ -2054,47 +2361,6 @@ static void update_variables(bool in_flight)
       GunconAdjustRatioY = atof(var.value);
    }
 
-#ifdef NEW_DYNAREC
-   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;
-   }
-
-   /* this probably is safe to change in real-time */
-   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 /* NEW_DYNAREC */
-
    var.value = NULL;
    var.key = "pcsx_rearmed_input_sensitivity";
    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
@@ -2102,42 +2368,6 @@ static void update_variables(bool in_flight)
       mouse_sensitivity = atof(var.value);
    }
 
-   var.key = "pcsx_rearmed_show_other_input_settings";
-   var.value = NULL;
-
-   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
-   {
-      int previous_settings = show_other_input_settings;
-
-      show_other_input_settings = 1;
-      if (strcmp(var.value, "disabled") == 0)
-         show_other_input_settings = 0;
-
-      if (show_other_input_settings != previous_settings)
-      {
-         unsigned i;
-         struct retro_core_option_display option_display;
-         char gpu_peops_option[][50] = {
-            "pcsx_rearmed_negcon_deadzone",
-            "pcsx_rearmed_negcon_response",
-            "pcsx_rearmed_analog_axis_modifier",
-            "pcsx_rearmed_gunconadjustx",
-            "pcsx_rearmed_gunconadjusty",
-            "pcsx_rearmed_gunconadjustratiox",
-            "pcsx_rearmed_gunconadjustratioy"
-         };
-         #define INPUT_LIST (sizeof(gpu_peops_option) / sizeof(gpu_peops_option[0]))
-
-         option_display.visible = show_other_input_settings;
-
-         for (i = 0; i < INPUT_LIST; i++)
-         {
-            option_display.key = gpu_peops_option[i];
-            environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY, &option_display);
-         }
-      }
-   }
-
    if (in_flight)
    {
       // inform core things about possible config changes
@@ -2149,6 +2379,10 @@ static void update_variables(bool in_flight)
          GPU_open(&gpuDisp, "PCSX", NULL);
       }
 
+      /* Reinitialise frameskipping, if required */
+      if (((frameskip_type     != prev_frameskip_type)))
+         retro_set_audio_buff_status_cb();
+
       /* dfinput_activate(); */
    }
    else
@@ -2172,6 +2406,8 @@ static void update_variables(bool in_flight)
          }
       }
    }
+
+   update_option_visibility();
 }
 
 // Taken from beetle-psx-libretro
@@ -2227,44 +2463,44 @@ unsigned char axis_range_modifier(int16_t axis_value, bool is_square)
 
 static void update_input_guncon(int port, int ret)
 {
-   //ToDo move across to:
-   //RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X
-   //RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y
-   //RETRO_DEVICE_ID_LIGHTGUN_TRIGGER
-   //RETRO_DEVICE_ID_LIGHTGUN_RELOAD
-   //RETRO_DEVICE_ID_LIGHTGUN_AUX_A
-   //RETRO_DEVICE_ID_LIGHTGUN_AUX_B
-   //Though not sure these are hooked up properly on the Pi
+   //ToDo:
+   //Core option for cursors for both players
+   //Separate pointer and lightgun control types
+
+   //Mouse range is -32767 -> 32767
+   //1% is about 655
+   //Use the left analog stick field to store the absolute coordinates
+
+   int gunx = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X);
+   int guny = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y);
 
+   //Have the Libretro API let /libpcsxcore/plugins.c know when the lightgun is pointed offscreen
+   //Offscreen value is chosen to be well out of range of any possible scaling done via core options
+   if (input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_IS_OFFSCREEN) || input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_RELOAD))
+   {
+      in_analog_left[port][0] = 65536;
+      in_analog_left[port][1] = 65536;
+   }
+   else
+   {
+      in_analog_left[port][0] = ((gunx * GunconAdjustRatioX) + (GunconAdjustX * 655)) / 64 + 512;
+      in_analog_left[port][1] = ((guny * GunconAdjustRatioY) + (GunconAdjustY * 655)) / 64 + 512;
+   }
+	
    //GUNCON has 3 controls, Trigger,A,B which equal Circle,Start,Cross
 
    // Trigger
-   //The 1 is hardcoded instead of port to prevent the overlay mouse button libretro crash bug
-   if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_LEFT))
-   {
+   if (input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_TRIGGER) || input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_RELOAD))
       in_keystate[port] |= (1 << DKEY_CIRCLE);
-   }
 
    // A
-   if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_RIGHT))
-   {
+   if (input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_AUX_A))
       in_keystate[port] |= (1 << DKEY_START);
-   }
 
    // B
-   if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_MIDDLE))
-   {
+   if (input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_AUX_B))
       in_keystate[port] |= (1 << DKEY_CROSS);
-   }
-
-   int gunx = input_state_cb(port, RETRO_DEVICE_POINTER, 0, RETRO_DEVICE_ID_POINTER_X);
-   int guny = input_state_cb(port, RETRO_DEVICE_POINTER, 0, RETRO_DEVICE_ID_POINTER_Y);
-
-   //Mouse range is -32767 -> 32767
-   //1% is about 655
-   //Use the left analog stick field to store the absolute coordinates
-   in_analog_left[port][0] = (gunx * GunconAdjustRatioX) + (GunconAdjustX * 655);
-   in_analog_left[port][1] = (guny * GunconAdjustRatioY) + (GunconAdjustY * 655);
+	   
 }
 
 static void update_input_negcon(int port, int ret)
@@ -2511,15 +2747,51 @@ void retro_run(void)
    {
       rebootemu = 0;
       SysReset();
-      if (!Config.HLE && !Config.SlowBoot)
+      if (Config.HLE)
+         LoadCdrom();
+   }
+
+   print_internal_fps();
+
+   /* Check whether current frame should
+    * be skipped */
+   pl_rearmed_cbs.fskip_force = 0;
+   pl_rearmed_cbs.fskip_dirty = 0;
+
+   if (frameskip_type != FRAMESKIP_NONE)
+   {
+      bool skip_frame = false;
+
+      switch (frameskip_type)
       {
-         // skip BIOS logos
-         psxRegs.pc = psxRegs.GPR.n.ra;
+         case FRAMESKIP_AUTO:
+            skip_frame = retro_audio_buff_active && retro_audio_buff_underrun;
+            break;
+         case FRAMESKIP_AUTO_THRESHOLD:
+            skip_frame = retro_audio_buff_active && (retro_audio_buff_occupancy < frameskip_threshold);
+            break;
+         case FRAMESKIP_FIXED_INTERVAL:
+            skip_frame = true;
+            break;
+         default:
+            break;
       }
-      return;
+
+      if (skip_frame && frameskip_counter < frameskip_interval)
+         pl_rearmed_cbs.fskip_force = 1;
    }
 
-   print_internal_fps();
+   /* If frameskip/timing settings have changed,
+    * update frontend audio latency
+    * > Can do this before or after the frameskip
+    *   check, but doing it after means we at least
+    *   retain the current frame's audio output */
+   if (update_audio_latency)
+   {
+      environ_cb(RETRO_ENVIRONMENT_SET_MINIMUM_AUDIO_LATENCY,
+            &retro_audio_latency);
+      update_audio_latency = false;
+   }
 
    input_poll_cb();
 
@@ -2532,6 +2804,13 @@ void retro_run(void)
    stop = 0;
    psxCpu->Execute();
 
+   if (pl_rearmed_cbs.fskip_dirty == 1) {
+      if (frameskip_counter < frameskip_interval)
+         frameskip_counter++;
+      else if (frameskip_counter >= frameskip_interval || !pl_rearmed_cbs.fskip_force)
+         frameskip_counter = 0;
+   }
+
    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;
@@ -2539,7 +2818,7 @@ void retro_run(void)
    set_vout_fb();
 }
 
-static bool try_use_bios(const char *path)
+static bool try_use_bios(const char *path, bool preferred_only)
 {
    long size;
    const char *name;
@@ -2551,12 +2830,20 @@ static bool try_use_bios(const char *path)
    size = ftell(fp);
    fclose(fp);
 
-   if (size != 512 * 1024)
-      return false;
-
    name = strrchr(path, SLASH);
    if (name++ == NULL)
       name = path;
+
+   if (preferred_only && size != 512 * 1024)
+      return false;
+   if (size != 512 * 1024 && size != 4 * 1024 * 1024)
+      return false;
+   if (strstr(name, "unirom"))
+      return false;
+   // jp bios have an addidional region check
+   if (preferred_only && (strcasestr(name, "00.") || strcasestr(name, "j.bin")))
+      return false;
+
    snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
    return true;
 }
@@ -2567,24 +2854,50 @@ static bool try_use_bios(const char *path)
 
 static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
 {
+   static const char *substr_pref[] = { "scph", "ps" };
+   static const char *substr_alt[] = { "scph", "ps", "openbios" };
    DIR *dir;
    struct dirent *ent;
    bool ret = false;
+   size_t i;
 
    dir = opendir(dirpath);
    if (dir == NULL)
       return false;
 
+   // try to find a "better" bios
    while ((ent = readdir(dir)))
    {
-      if ((strncasecmp(ent->d_name, "scph", 4) != 0) && (strncasecmp(ent->d_name, "psx", 3) != 0))
-         continue;
+      for (i = 0; i < sizeof(substr_pref) / sizeof(substr_pref[0]); i++)
+      {
+         const char *substr = substr_pref[i];
+         if ((strncasecmp(ent->d_name, substr, strlen(substr)) != 0))
+            continue;
+         snprintf(path, path_size, "%s%c%s", dirpath, SLASH, ent->d_name);
+         ret = try_use_bios(path, true);
+         if (ret)
+            goto finish;
+      }
+   }
 
-      snprintf(path, path_size, "%s%c%s", dirpath, SLASH, ent->d_name);
-      ret = try_use_bios(path);
-      if (ret)
-         break;
+   // another pass to look for anything fitting, even ps2 bios
+   rewinddir(dir);
+   while ((ent = readdir(dir)))
+   {
+      for (i = 0; i < sizeof(substr_alt) / sizeof(substr_alt[0]); i++)
+      {
+         const char *substr = substr_alt[i];
+         if ((strncasecmp(ent->d_name, substr, strlen(substr)) != 0))
+            continue;
+         snprintf(path, path_size, "%s%c%s", dirpath, SLASH, ent->d_name);
+         ret = try_use_bios(path, false);
+         if (ret)
+            goto finish;
+      }
    }
+
+
+finish:
    closedir(dir);
    return ret;
 }
@@ -2651,7 +2964,6 @@ static void loadPSXBios(void)
    unsigned useHLE = 0;
 
    const char *bios[] = {
-      "PS1_ROM", "ps1_rom",
       "PSXONPSP660", "psxonpsp660",
       "SCPH101", "scph101",
       "SCPH5501", "scph5501",
@@ -2682,7 +2994,7 @@ static void loadPSXBios(void)
          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);
+            found_bios = try_use_bios(path, true);
             if (found_bios)
                break;
          }
@@ -2775,8 +3087,9 @@ void retro_init(void)
 
 #ifdef _3DS
    vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
-#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && !defined(VITA) && !defined(__SWITCH__)
-   posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
+#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && P_HAVE_POSIX_MEMALIGN
+   if (posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2) != 0)
+      vout_buf = (void *) 0;
 #else
    vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
 #endif
@@ -2801,9 +3114,9 @@ void retro_init(void)
    /* 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
     * are not emulated. Warning: changing this may break compatibility. */
-   cycle_multiplier = 175;
+   Config.cycle_multiplier = CYCLE_MULT_DEFAULT;
 #if defined(HAVE_PRE_ARMV7) && !defined(_3DS)
-   cycle_multiplier = 200;
+   Config.cycle_multiplier = 200;
 #endif
    pl_rearmed_cbs.gpu_peops.iUseDither = 1;
    pl_rearmed_cbs.gpu_peops.dwActFixes = GPU_PEOPS_OLD_FRAME_SKIP;
@@ -2840,10 +3153,28 @@ void retro_deinit(void)
    deinit_vita_mmap();
 #endif
    libretro_supports_bitmasks = false;
+   libretro_supports_option_categories = false;
+
+   show_input_settings = true;
+#ifdef GPU_PEOPS
+   show_advanced_gpu_peops_settings = true;
+#endif
+#ifdef GPU_UNAI
+   show_advanced_gpu_unai_settings = true;
+#endif
 
    /* Have to reset disks struct, otherwise
     * fnames/flabels will leak memory */
    disk_init();
+   frameskip_type             = FRAMESKIP_NONE;
+   frameskip_threshold        = 0;
+   frameskip_interval         = 0;
+   frameskip_counter          = 0;
+   retro_audio_buff_active    = false;
+   retro_audio_buff_occupancy = 0;
+   retro_audio_buff_underrun  = false;
+   retro_audio_latency        = 0;
+   update_audio_latency       = false;
 }
 
 #ifdef VITA
@@ -2880,3 +3211,5 @@ void SysDLog(const char *fmt, ...)
    if (log_cb)
       log_cb(RETRO_LOG_DEBUG, "%s", msg);
 }
+
+// vim:sw=3:ts=3:expandtab