diff --git a/bsnes/target-libretro/libretro.cpp b/bsnes/target-libretro/libretro.cpp
index 0e5e75e4..11e45338 100644
--- a/bsnes/target-libretro/libretro.cpp
+++ b/bsnes/target-libretro/libretro.cpp
@@ -35,6 +35,10 @@ static string sgb_bios;
 #define RETRO_DEVICE_LIGHTGUN_JUSTIFIER    RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_LIGHTGUN, 1)
 #define RETRO_DEVICE_LIGHTGUN_JUSTIFIERS   RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_LIGHTGUN, 2)
 
+#define RETRO_GAME_TYPE_SGB             0x101 | 0x1000
+#define RETRO_MEMORY_SGB_SRAM ((1 << 8) | RETRO_MEMORY_SAVE_RAM)
+#define RETRO_MEMORY_GB_SRAM ((2 << 8) | RETRO_MEMORY_SAVE_RAM)
+
 static void flush_variables()
 {
 	retro_variable variable = { "bsnes_blur_emulation", nullptr };
@@ -268,9 +272,26 @@ static void set_controller_ports(unsigned port, unsigned device)
 
 static void set_environment_info(retro_environment_t cb)
 {
-	// TODO: Hook up RETRO_ENVIRONMENT_SET_SUBSYSTEM_INFO for Sufami/BSX/SGB?
-	// IIRC, no known frontend actually hooks it up properly, so doubt there is any
-	// real need for now.
+
+    static const struct retro_subsystem_memory_info sgb_memory[] = {
+        { "srm", RETRO_MEMORY_SGB_SRAM },
+    };
+
+    static const struct retro_subsystem_memory_info gb_memory[] = {
+        { "srm", RETRO_MEMORY_GB_SRAM },
+    };
+
+    static const struct retro_subsystem_rom_info sgb_roms[] = {
+        { "Game Boy ROM", "gb|gbc", true, false, true, gb_memory, 1 },
+        { "Super Game Boy ROM", "smc|sfc|swc|fig|bs", true, false, true, sgb_memory, 1 },
+    };
+
+    static const struct retro_subsystem_info subsystems[] = {
+        { "Super Game Boy", "sgb", sgb_roms, 2, RETRO_GAME_TYPE_SGB },
+        {}
+    };
+
+	cb(RETRO_ENVIRONMENT_SET_SUBSYSTEM_INFO,  (void*)subsystems);
 
 	static const retro_controller_description port_1[] = {
 		{ "SNES Joypad", RETRO_DEVICE_JOYPAD },
@@ -449,7 +470,7 @@ RETRO_API void retro_get_system_info(retro_system_info *info)
 {
 	info->library_name     = "bsnes";
 	info->library_version  = Emulator::Version;
-	info->need_fullpath    = false;
+	info->need_fullpath    = true;
 	info->valid_extensions = "smc|sfc";
 	info->block_extract = false;
 }
@@ -531,7 +552,6 @@ RETRO_API bool retro_load_game(const retro_game_info *game)
 		environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &system_dir);
 		string sgb_full_path = string(system_dir, "/", sgb_bios).transform("\\", "/");
 		if (!file::exists(sgb_full_path)) {
-			libretro_print(RETRO_LOG_ERROR, "GameBoy games require SGB BIOS in system directory: %s\n", sgb_bios);
 			return false;
 		}
 
@@ -554,7 +574,29 @@ RETRO_API bool retro_load_game(const retro_game_info *game)
 RETRO_API bool retro_load_game_special(unsigned game_type,
 		const struct retro_game_info *info, size_t num_info)
 {
-	return false;
+	emulator->configure("Audio/Frequency", SAMPLERATE);
+
+	flush_variables();
+
+	switch(game_type)
+	{
+		case RETRO_GAME_TYPE_SGB:
+		{
+			libretro_print(RETRO_LOG_INFO, "GB ROM: %s\n", info[0].path);
+			libretro_print(RETRO_LOG_INFO, "SGB ROM: %s\n", info[1].path);
+			program->gameBoy.location = info[0].path;
+			program->superFamicom.location = info[1].path;
+		}
+		break;
+		default:
+			return false;
+	}
+
+	program->load();
+
+	emulator->connect(SuperFamicom::ID::Port::Controller1, SuperFamicom::ID::Device::Gamepad);
+	emulator->connect(SuperFamicom::ID::Port::Controller2, SuperFamicom::ID::Device::Gamepad);
+	return true;
 }
 
 RETRO_API void retro_unload_game()
diff --git a/bsnes/target-libretro/program.cpp b/bsnes/target-libretro/program.cpp
index 2c4d3649..ae466616 100644
--- a/bsnes/target-libretro/program.cpp
+++ b/bsnes/target-libretro/program.cpp
@@ -101,7 +101,7 @@ auto Program::open(uint id, string name, vfs::file::mode mode, bool required) ->
 	}
 
 	if (name == "boards.bml" && mode == vfs::file::mode::read) {
-		result = vfs::memory::file::open(boardsbml, sizeof(boardsbml));
+		result = vfs::memory::file::open(Boards, sizeof(Boards));
 	}
 
 	if (id == 1) { //Super Famicom
diff --git a/bsnes/target-libretro/resources.hpp b/bsnes/target-libretro/resources.hpp
index 13b190e7..4dbe9a09 100644
--- a/bsnes/target-libretro/resources.hpp
+++ b/bsnes/target-libretro/resources.hpp
@@ -1,4 +1,4 @@
-const unsigned char boardsbml[31180] = {
+const unsigned char Boards[31486] = {
   100,97,116,97,98,97,115,101,10,32,32,114,101,118,105,115,105,111,110,58,32,50,48,49,56,45,48,55,45,50,53,10,
   10,47,47,66,111,97,114,100,115,32,40,80,114,111,100,117,99,116,105,111,110,41,10,10,100,97,116,97,98,97,115,101,
   10,32,32,114,101,118,105,115,105,111,110,58,32,50,48,49,56,45,48,53,45,49,54,10,10,98,111,97,114,100,58,32,
@@ -904,37 +904,59 @@ const unsigned char boardsbml[31180] = {
   32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,55,48,45,55,49,44,102,48,45,102,49,58,54,48,48,48,45,
   55,102,102,102,44,101,48,48,48,45,102,102,102,102,32,109,97,115,107,61,48,120,101,48,48,48,10,32,32,32,32,109,
   101,109,111,114,121,32,116,121,112,101,61,82,65,77,32,99,111,110,116,101,110,116,61,83,97,118,101,10,10,98,111,97,
-  114,100,58,32,83,65,49,45,82,65,77,10,32,32,112,114,111,99,101,115,115,111,114,32,97,114,99,104,105,116,101,99,
-  116,117,114,101,61,87,54,53,67,56,49,54,83,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,
-  45,51,102,44,56,48,45,98,102,58,50,50,48,48,45,50,51,102,102,10,32,32,32,32,109,99,117,10,32,32,32,32,
-  32,32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,45,51,102,44,56,48,45,98,102,58,56,48,48,48,45,102,
-  102,102,102,32,109,97,115,107,61,48,120,52,48,56,48,48,48,10,32,32,32,32,32,32,109,97,112,32,97,100,100,114,
-  101,115,115,61,99,48,45,102,102,58,48,48,48,48,45,102,102,102,102,10,32,32,32,32,32,32,109,101,109,111,114,121,
-  32,116,121,112,101,61,82,79,77,32,99,111,110,116,101,110,116,61,80,114,111,103,114,97,109,10,32,32,32,32,109,101,
+  114,100,58,32,83,65,49,10,32,32,112,114,111,99,101,115,115,111,114,32,97,114,99,104,105,116,101,99,116,117,114,101,
+  61,87,54,53,67,56,49,54,83,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,45,51,102,44,
+  56,48,45,98,102,58,50,50,48,48,45,50,51,102,102,10,32,32,32,32,109,99,117,10,32,32,32,32,32,32,109,97,
+  112,32,97,100,100,114,101,115,115,61,48,48,45,51,102,44,56,48,45,98,102,58,56,48,48,48,45,102,102,102,102,32,
+  109,97,115,107,61,48,120,52,48,56,48,48,48,10,32,32,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,
+  99,48,45,102,102,58,48,48,48,48,45,102,102,102,102,10,32,32,32,32,32,32,109,101,109,111,114,121,32,116,121,112,
+  101,61,82,79,77,32,99,111,110,116,101,110,116,61,80,114,111,103,114,97,109,10,32,32,32,32,109,101,109,111,114,121,
+  32,116,121,112,101,61,82,65,77,32,99,111,110,116,101,110,116,61,73,110,116,101,114,110,97,108,10,32,32,32,32,32,
+  32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,45,51,102,44,56,48,45,98,102,58,51,48,48,48,45,51,55,
+  102,102,32,115,105,122,101,61,48,120,56,48,48,10,10,98,111,97,114,100,58,32,83,65,49,45,82,65,77,10,32,32,
+  112,114,111,99,101,115,115,111,114,32,97,114,99,104,105,116,101,99,116,117,114,101,61,87,54,53,67,56,49,54,83,10,
+  32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,45,51,102,44,56,48,45,98,102,58,50,50,48,48,
+  45,50,51,102,102,10,32,32,32,32,109,99,117,10,32,32,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,
+  48,48,45,51,102,44,56,48,45,98,102,58,56,48,48,48,45,102,102,102,102,32,109,97,115,107,61,48,120,52,48,56,
+  48,48,48,10,32,32,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,99,48,45,102,102,58,48,48,48,48,
+  45,102,102,102,102,10,32,32,32,32,32,32,109,101,109,111,114,121,32,116,121,112,101,61,82,79,77,32,99,111,110,116,
+  101,110,116,61,80,114,111,103,114,97,109,10,32,32,32,32,109,101,109,111,114,121,32,116,121,112,101,61,82,65,77,32,
+  99,111,110,116,101,110,116,61,83,97,118,101,10,32,32,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,48,
+  48,45,51,102,44,56,48,45,98,102,58,54,48,48,48,45,55,102,102,102,32,115,105,122,101,61,48,120,50,48,48,48,
+  10,32,32,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,52,48,45,52,102,58,48,48,48,48,45,102,102,
+  102,102,10,32,32,32,32,109,101,109,111,114,121,32,116,121,112,101,61,82,65,77,32,99,111,110,116,101,110,116,61,73,
+  110,116,101,114,110,97,108,10,32,32,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,45,51,102,44,
+  56,48,45,98,102,58,51,48,48,48,45,51,55,102,102,32,115,105,122,101,61,48,120,56,48,48,10,10,98,111,97,114,
+  100,58,32,83,68,68,49,10,32,32,112,114,111,99,101,115,115,111,114,32,105,100,101,110,116,105,102,105,101,114,61,83,
+  68,68,49,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,45,51,102,44,56,48,45,98,102,58,
+  52,56,48,48,45,52,56,48,102,10,32,32,32,32,109,99,117,10,32,32,32,32,32,32,109,97,112,32,97,100,100,114,
+  101,115,115,61,48,48,45,51,102,44,56,48,45,98,102,58,56,48,48,48,45,102,102,102,102,10,32,32,32,32,32,32,
+  109,97,112,32,97,100,100,114,101,115,115,61,99,48,45,102,102,58,48,48,48,48,45,102,102,102,102,10,32,32,32,32,
+  32,32,109,101,109,111,114,121,32,116,121,112,101,61,82,79,77,32,99,111,110,116,101,110,116,61,80,114,111,103,114,97,
+  109,10,10,98,111,97,114,100,58,32,83,68,68,49,45,82,65,77,10,32,32,109,101,109,111,114,121,32,116,121,112,101,
+  61,82,65,77,32,99,111,110,116,101,110,116,61,83,97,118,101,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,
+  115,61,48,48,45,51,102,44,56,48,45,98,102,58,54,48,48,48,45,55,102,102,102,32,109,97,115,107,61,48,120,101,
+  48,48,48,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,55,48,45,55,51,58,48,48,48,48,45,102,
+  102,102,102,32,109,97,115,107,61,48,120,56,48,48,48,10,32,32,112,114,111,99,101,115,115,111,114,32,105,100,101,110,
+  116,105,102,105,101,114,61,83,68,68,49,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,45,51,
+  102,44,56,48,45,98,102,58,52,56,48,48,45,52,56,48,102,10,32,32,32,32,109,99,117,10,32,32,32,32,32,32,
+  109,97,112,32,97,100,100,114,101,115,115,61,48,48,45,51,102,44,56,48,45,98,102,58,56,48,48,48,45,102,102,102,
+  102,10,32,32,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,99,48,45,102,102,58,48,48,48,48,45,102,
+  102,102,102,10,32,32,32,32,32,32,109,101,109,111,114,121,32,116,121,112,101,61,82,79,77,32,99,111,110,116,101,110,
+  116,61,80,114,111,103,114,97,109,10,10,98,111,97,114,100,58,32,83,80,67,55,49,49,48,45,82,65,77,10,32,32,
+  112,114,111,99,101,115,115,111,114,32,105,100,101,110,116,105,102,105,101,114,61,83,80,67,55,49,49,48,10,32,32,32,
+  32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,45,51,102,44,56,48,45,98,102,58,52,56,48,48,45,52,56,
+  51,102,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,53,48,44,53,56,58,48,48,48,48,45,102,102,
+  102,102,10,32,32,32,32,109,99,117,10,32,32,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,45,
+  51,102,44,56,48,45,98,102,58,56,48,48,48,45,102,102,102,102,32,109,97,115,107,61,48,120,56,48,48,48,48,48,
+  10,32,32,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,99,48,45,102,102,58,48,48,48,48,45,102,102,
+  102,102,32,109,97,115,107,61,48,120,99,48,48,48,48,48,10,32,32,32,32,32,32,109,101,109,111,114,121,32,116,121,
+  112,101,61,82,79,77,32,99,111,110,116,101,110,116,61,80,114,111,103,114,97,109,10,32,32,32,32,32,32,109,101,109,
+  111,114,121,32,116,121,112,101,61,82,79,77,32,99,111,110,116,101,110,116,61,68,97,116,97,10,32,32,32,32,109,101,
   109,111,114,121,32,116,121,112,101,61,82,65,77,32,99,111,110,116,101,110,116,61,83,97,118,101,10,32,32,32,32,32,
   32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,45,51,102,44,56,48,45,98,102,58,54,48,48,48,45,55,102,
-  102,102,32,115,105,122,101,61,48,120,50,48,48,48,10,32,32,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,
-  61,52,48,45,52,102,58,48,48,48,48,45,102,102,102,102,10,32,32,32,32,109,101,109,111,114,121,32,116,121,112,101,
-  61,82,65,77,32,99,111,110,116,101,110,116,61,73,110,116,101,114,110,97,108,10,32,32,32,32,32,32,109,97,112,32,
-  97,100,100,114,101,115,115,61,48,48,45,51,102,44,56,48,45,98,102,58,51,48,48,48,45,51,55,102,102,32,115,105,
-  122,101,61,48,120,56,48,48,10,10,98,111,97,114,100,58,32,83,68,68,49,10,32,32,112,114,111,99,101,115,115,111,
-  114,32,105,100,101,110,116,105,102,105,101,114,61,83,68,68,49,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,
-  115,61,48,48,45,51,102,44,56,48,45,98,102,58,52,56,48,48,45,52,56,48,102,10,32,32,32,32,109,99,117,10,
-  32,32,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,45,51,102,44,56,48,45,98,102,58,56,48,
-  48,48,45,102,102,102,102,10,32,32,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,99,48,45,102,102,58,
-  48,48,48,48,45,102,102,102,102,10,32,32,32,32,32,32,109,101,109,111,114,121,32,116,121,112,101,61,82,79,77,32,
-  99,111,110,116,101,110,116,61,80,114,111,103,114,97,109,10,10,98,111,97,114,100,58,32,83,68,68,49,45,82,65,77,
-  10,32,32,109,101,109,111,114,121,32,116,121,112,101,61,82,65,77,32,99,111,110,116,101,110,116,61,83,97,118,101,10,
-  32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,45,51,102,44,56,48,45,98,102,58,54,48,48,48,
-  45,55,102,102,102,32,109,97,115,107,61,48,120,101,48,48,48,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,
-  115,61,55,48,45,55,51,58,48,48,48,48,45,102,102,102,102,32,109,97,115,107,61,48,120,56,48,48,48,10,32,32,
-  112,114,111,99,101,115,115,111,114,32,105,100,101,110,116,105,102,105,101,114,61,83,68,68,49,10,32,32,32,32,109,97,
-  112,32,97,100,100,114,101,115,115,61,48,48,45,51,102,44,56,48,45,98,102,58,52,56,48,48,45,52,56,48,102,10,
-  32,32,32,32,109,99,117,10,32,32,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,45,51,102,44,
-  56,48,45,98,102,58,56,48,48,48,45,102,102,102,102,10,32,32,32,32,32,32,109,97,112,32,97,100,100,114,101,115,
-  115,61,99,48,45,102,102,58,48,48,48,48,45,102,102,102,102,10,32,32,32,32,32,32,109,101,109,111,114,121,32,116,
-  121,112,101,61,82,79,77,32,99,111,110,116,101,110,116,61,80,114,111,103,114,97,109,10,10,98,111,97,114,100,58,32,
-  83,80,67,55,49,49,48,45,82,65,77,10,32,32,112,114,111,99,101,115,115,111,114,32,105,100,101,110,116,105,102,105,
+  102,102,32,109,97,115,107,61,48,120,101,48,48,48,10,10,98,111,97,114,100,58,32,83,80,67,55,49,49,48,45,82,
+  65,77,45,69,80,83,79,78,82,84,67,10,32,32,112,114,111,99,101,115,115,111,114,32,105,100,101,110,116,105,102,105,
   101,114,61,83,80,67,55,49,49,48,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,45,51,102,
   44,56,48,45,98,102,58,52,56,48,48,45,52,56,51,102,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,
   61,53,48,44,53,56,58,48,48,48,48,45,102,102,102,102,10,32,32,32,32,109,99,117,10,32,32,32,32,32,32,109,
@@ -945,35 +967,22 @@ const unsigned char boardsbml[31180] = {
   103,114,97,109,10,32,32,32,32,32,32,109,101,109,111,114,121,32,116,121,112,101,61,82,79,77,32,99,111,110,116,101,
   110,116,61,68,97,116,97,10,32,32,32,32,109,101,109,111,114,121,32,116,121,112,101,61,82,65,77,32,99,111,110,116,
   101,110,116,61,83,97,118,101,10,32,32,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,45,51,102,
-  44,56,48,45,98,102,58,54,48,48,48,45,55,102,102,102,32,109,97,115,107,61,48,120,101,48,48,48,10,10,98,111,
-  97,114,100,58,32,83,80,67,55,49,49,48,45,82,65,77,45,69,80,83,79,78,82,84,67,10,32,32,112,114,111,99,
-  101,115,115,111,114,32,105,100,101,110,116,105,102,105,101,114,61,83,80,67,55,49,49,48,10,32,32,32,32,109,97,112,
-  32,97,100,100,114,101,115,115,61,48,48,45,51,102,44,56,48,45,98,102,58,52,56,48,48,45,52,56,51,102,10,32,
-  32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,53,48,44,53,56,58,48,48,48,48,45,102,102,102,102,10,32,
-  32,32,32,109,99,117,10,32,32,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,45,51,102,44,56,
-  48,45,98,102,58,56,48,48,48,45,102,102,102,102,32,109,97,115,107,61,48,120,56,48,48,48,48,48,10,32,32,32,
-  32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,99,48,45,102,102,58,48,48,48,48,45,102,102,102,102,32,109,
-  97,115,107,61,48,120,99,48,48,48,48,48,10,32,32,32,32,32,32,109,101,109,111,114,121,32,116,121,112,101,61,82,
-  79,77,32,99,111,110,116,101,110,116,61,80,114,111,103,114,97,109,10,32,32,32,32,32,32,109,101,109,111,114,121,32,
-  116,121,112,101,61,82,79,77,32,99,111,110,116,101,110,116,61,68,97,116,97,10,32,32,32,32,109,101,109,111,114,121,
-  32,116,121,112,101,61,82,65,77,32,99,111,110,116,101,110,116,61,83,97,118,101,10,32,32,32,32,32,32,109,97,112,
-  32,97,100,100,114,101,115,115,61,48,48,45,51,102,44,56,48,45,98,102,58,54,48,48,48,45,55,102,102,102,32,109,
-  97,115,107,61,48,120,101,48,48,48,10,32,32,114,116,99,32,109,97,110,117,102,97,99,116,117,114,101,114,61,69,112,
-  115,111,110,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,45,51,102,44,56,48,45,98,102,58,
-  52,56,52,48,45,52,56,52,50,10,32,32,32,32,109,101,109,111,114,121,32,116,121,112,101,61,82,84,67,32,99,111,
-  110,116,101,110,116,61,84,105,109,101,32,109,97,110,117,102,97,99,116,117,114,101,114,61,69,112,115,111,110,10,10,98,
-  111,97,114,100,58,32,83,84,45,76,79,82,79,77,10,32,32,109,101,109,111,114,121,32,116,121,112,101,61,82,79,77,
-  32,99,111,110,116,101,110,116,61,80,114,111,103,114,97,109,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,
-  61,48,48,45,49,102,44,56,48,45,57,102,58,56,48,48,48,45,102,102,102,102,32,109,97,115,107,61,48,120,56,48,
-  48,48,10,32,32,115,108,111,116,32,116,121,112,101,61,83,117,102,97,109,105,84,117,114,98,111,10,32,32,32,32,114,
-  111,109,10,32,32,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,50,48,45,51,102,44,97,48,45,98,102,
-  58,56,48,48,48,45,102,102,102,102,32,109,97,115,107,61,48,120,56,48,48,48,10,32,32,32,32,114,97,109,10,32,
-  32,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,54,48,45,54,102,44,101,48,45,101,102,58,48,48,48,
-  48,45,102,102,102,102,10,32,32,115,108,111,116,32,116,121,112,101,61,83,117,102,97,109,105,84,117,114,98,111,10,32,
-  32,32,32,114,111,109,10,32,32,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,52,48,45,53,102,44,99,
-  48,45,100,102,58,48,48,48,48,45,102,102,102,102,32,109,97,115,107,61,48,120,56,48,48,48,10,32,32,32,32,114,
-  97,109,10,32,32,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,55,48,45,55,100,44,102,48,45,102,102,
-  58,48,48,48,48,45,102,102,102,102,10,10,
+  44,56,48,45,98,102,58,54,48,48,48,45,55,102,102,102,32,109,97,115,107,61,48,120,101,48,48,48,10,32,32,114,
+  116,99,32,109,97,110,117,102,97,99,116,117,114,101,114,61,69,112,115,111,110,10,32,32,32,32,109,97,112,32,97,100,
+  100,114,101,115,115,61,48,48,45,51,102,44,56,48,45,98,102,58,52,56,52,48,45,52,56,52,50,10,32,32,32,32,
+  109,101,109,111,114,121,32,116,121,112,101,61,82,84,67,32,99,111,110,116,101,110,116,61,84,105,109,101,32,109,97,110,
+  117,102,97,99,116,117,114,101,114,61,69,112,115,111,110,10,10,98,111,97,114,100,58,32,83,84,45,76,79,82,79,77,
+  10,32,32,109,101,109,111,114,121,32,116,121,112,101,61,82,79,77,32,99,111,110,116,101,110,116,61,80,114,111,103,114,
+  97,109,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,45,49,102,44,56,48,45,57,102,58,56,
+  48,48,48,45,102,102,102,102,32,109,97,115,107,61,48,120,56,48,48,48,10,32,32,115,108,111,116,32,116,121,112,101,
+  61,83,117,102,97,109,105,84,117,114,98,111,10,32,32,32,32,114,111,109,10,32,32,32,32,32,32,109,97,112,32,97,
+  100,100,114,101,115,115,61,50,48,45,51,102,44,97,48,45,98,102,58,56,48,48,48,45,102,102,102,102,32,109,97,115,
+  107,61,48,120,56,48,48,48,10,32,32,32,32,114,97,109,10,32,32,32,32,32,32,109,97,112,32,97,100,100,114,101,
+  115,115,61,54,48,45,54,102,44,101,48,45,101,102,58,48,48,48,48,45,102,102,102,102,10,32,32,115,108,111,116,32,
+  116,121,112,101,61,83,117,102,97,109,105,84,117,114,98,111,10,32,32,32,32,114,111,109,10,32,32,32,32,32,32,109,
+  97,112,32,97,100,100,114,101,115,115,61,52,48,45,53,102,44,99,48,45,100,102,58,48,48,48,48,45,102,102,102,102,
+  32,109,97,115,107,61,48,120,56,48,48,48,10,32,32,32,32,114,97,109,10,32,32,32,32,32,32,109,97,112,32,97,
+  100,100,114,101,115,115,61,55,48,45,55,100,44,102,48,45,102,102,58,48,48,48,48,45,102,102,102,102,10,10,
 };
 
 const unsigned char iplrom[64] = {
diff --git a/ruby/input/joypad/iokit.cpp b/ruby/input/joypad/iokit.cpp
index 04fcc17b..679ffcea 100644
--- a/ruby/input/joypad/iokit.cpp
+++ b/ruby/input/joypad/iokit.cpp
@@ -101,8 +101,6 @@ struct InputJoypadIOKit {
   }
 
   auto poll(vector<shared_pointer<HID::Device>>& devices) -> void {
-    detectDevices();  //hotplug support
-
     for(auto& jp : joypads) {
       IOHIDDeviceRef device = jp.device;
 
@@ -181,13 +179,13 @@ struct InputJoypadIOKit {
     IOHIDManagerSetDeviceMatchingMultiple(manager, matcher);
     IOHIDManagerRegisterDeviceMatchingCallback(manager, deviceMatchingCallback, this);
     IOHIDManagerRegisterDeviceRemovalCallback(manager, deviceRemovalCallback, this);
+    IOHIDManagerScheduleWithRunLoop(manager, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode);
 
     if(IOHIDManagerOpen(manager, kIOHIDOptionsTypeNone) != kIOReturnSuccess) {
       releaseManager();
       return false;
     }
 
-    detectDevices();
     return true;
   }
 
@@ -261,14 +259,6 @@ private:
     CFRelease(pageNumber), CFRelease(usageNumber);
     return dict;
   }
-
-  auto detectDevices() -> void {
-    CFRunLoopRef runLoop = CFRunLoopGetCurrent();
-    CFStringRef runLoopMode = CFSTR("rubyJoypadIOKit");
-    IOHIDManagerScheduleWithRunLoop(manager, runLoop, runLoopMode);
-    while(CFRunLoopRunInMode(runLoopMode, 0, true) == kCFRunLoopRunHandledSource);
-    IOHIDManagerUnscheduleFromRunLoop(manager, runLoop, runLoopMode);
-  }
 };
 
 auto deviceMatchingCallback(void* context, IOReturn result, void* sender, IOHIDDeviceRef device) -> void {