diff --git a/BizHawk.MultiClient/LuaImplementation.cs b/BizHawk.MultiClient/LuaImplementation.cs
index 243b989ca5..b4b52c0b19 100644
--- a/BizHawk.MultiClient/LuaImplementation.cs
+++ b/BizHawk.MultiClient/LuaImplementation.cs
@@ -212,6 +212,13 @@ namespace BizHawk.MultiClient
 				docs.Add("nes", NESFunctions[i], this.GetType().GetMethod("nes_" + NESFunctions[i]));
 			}
 
+			lua.NewTable("snes");
+			for (int i = 0; i < SNESFunctions.Length; i++)
+			{
+				lua.RegisterFunction("snes." + SNESFunctions[i], this, this.GetType().GetMethod("snes_" + SNESFunctions[i]));
+				docs.Add("snes", SNESFunctions[i], this.GetType().GetMethod("snes_" + SNESFunctions[i]));
+			}
+
 			lua.NewTable("event");
 			for (int i = 0; i < EventFunctions.Length; i++)
 			{
@@ -568,6 +575,27 @@ namespace BizHawk.MultiClient
 														"removegamegenie",
 		                                          	};
 
+		public static string[] SNESFunctions = new string[]
+													{
+														"setlayer_bg_1",
+														"setlayer_bg_2",
+														"setlayer_bg_3",
+														"setlayer_bg_4",
+														"getlayer_bg_1",
+														"getlayer_bg_2",
+														"getlayer_bg_3",
+														"getlayer_bg_4",
+
+														"setlayer_obj_1",
+														"setlayer_obj_2",
+														"setlayer_obj_3",
+														"setlayer_obj_4",
+														"getlayer_obj_1",
+														"getlayer_obj_2",
+														"getlayer_obj_3",
+														"getlayer_obj_4",
+		                                          	};
+
 		public static string[] EventFunctions = new string[]
 													{
 														"onloadstate",
@@ -2847,6 +2875,93 @@ namespace BizHawk.MultiClient
 			}
 		}
 
+		//----------------------------------------------------
+		//SNES library
+		//----------------------------------------------------
+		public bool snes_getlayer_bg_1()
+		{
+			return Global.Config.SNES_ShowBG1_1;
+		}
+
+		public bool snes_getlayer_bg_2()
+		{
+			return Global.Config.SNES_ShowBG2_1;
+		}
+
+		public bool snes_getlayer_bg_3()
+		{
+			return Global.Config.SNES_ShowBG3_1;
+		}
+
+		public bool snes_getlayer_bg_4()
+		{
+			return Global.Config.SNES_ShowBG4_1;
+		}
+
+		public bool snes_getlayer_obj_1()
+		{
+			return Global.Config.SNES_ShowOBJ1;
+		}
+
+		public bool snes_getlayer_obj_2()
+		{
+			return Global.Config.SNES_ShowOBJ2;
+		}
+
+		public bool snes_getlayer_obj_3()
+		{
+			return Global.Config.SNES_ShowOBJ3;
+		}
+
+		public bool snes_getlayer_obj_4()
+		{
+			return Global.Config.SNES_ShowOBJ4;
+		}
+
+
+		public void snes_setlayer_bg_1(bool value)
+		{
+			Global.MainForm.SNES_ToggleBG1(value);
+		}
+
+		public void snes_setlayer_bg_2(bool value)
+		{
+			Global.MainForm.SNES_ToggleBG2(value);
+		}
+
+		public void snes_setlayer_bg_3(bool value)
+		{
+			Global.MainForm.SNES_ToggleBG3(value);
+		}
+
+		public void snes_setlayer_bg_4(bool value)
+		{
+			Global.MainForm.SNES_ToggleBG4(value);
+		}
+
+		public void snes_setlayer_obj_1(bool value)
+		{
+			Global.MainForm.SNES_ToggleOBJ1(value);
+		}
+
+		public void snes_setlayer_obj_2(bool value)
+		{
+			Global.MainForm.SNES_ToggleOBJ2(value);
+		}
+
+		public void snes_setlayer_obj_3(bool value)
+		{
+			Global.MainForm.SNES_ToggleOBJ3(value);
+		}
+
+		public void snes_setlayer_obj_4(bool value)
+		{
+			Global.MainForm.SNES_ToggleOBJ4(value);
+		}
+		//----------------------------------------------------
+		//Events library
+		//----------------------------------------------------
+
 		public void event_onsavestate(LuaFunction luaf)
 		{
 			savestate_registersave(luaf);
diff --git a/BizHawk.MultiClient/MainForm.MenuItems.cs b/BizHawk.MultiClient/MainForm.MenuItems.cs
index 6bac862223..e10e9b2c0c 100644
--- a/BizHawk.MultiClient/MainForm.MenuItems.cs
+++ b/BizHawk.MultiClient/MainForm.MenuItems.cs
@@ -1867,11 +1867,19 @@ namespace BizHawk.MultiClient
 			}
 		}
 
-		private void SNES_ToggleBG1()
+		public void SNES_ToggleBG1(bool? setto = null)
 		{
 			if (Global.Emulator is LibsnesCore)
 			{
-				Global.Config.SNES_ShowBG1_1 = Global.Config.SNES_ShowBG1_0 ^= true;
+				if (setto.HasValue)
+				{
+					Global.Config.SNES_ShowBG1_1 = Global.Config.SNES_ShowBG1_0 = setto.Value;
+				}
+				else
+				{
+					Global.Config.SNES_ShowBG1_1 = Global.Config.SNES_ShowBG1_0 ^= true;
+				}
+
 				SyncCoreCommInputSignals();
 				if (Global.Config.SNES_ShowBG1_1)
 				{
@@ -1884,11 +1892,18 @@ namespace BizHawk.MultiClient
 			}
 		}
 
-		private void SNES_ToggleBG2()
+		public void SNES_ToggleBG2(bool? setto = null)
 		{
 			if (Global.Emulator is LibsnesCore)
 			{
-				Global.Config.SNES_ShowBG2_1 = Global.Config.SNES_ShowBG2_0 ^= true;
+				if (setto.HasValue)
+				{
+					Global.Config.SNES_ShowBG2_1 = Global.Config.SNES_ShowBG2_0 = setto.Value;
+				}
+				else
+				{
+					Global.Config.SNES_ShowBG2_1 = Global.Config.SNES_ShowBG2_0 ^= true;
+				}
 				SyncCoreCommInputSignals();
 				if (Global.Config.SNES_ShowBG2_1)
 				{
@@ -1901,11 +1916,18 @@ namespace BizHawk.MultiClient
 			}
 		}
 
-		private void SNES_ToggleBG3()
+		public void SNES_ToggleBG3(bool? setto = null)
 		{
 			if (Global.Emulator is LibsnesCore)
 			{
-				Global.Config.SNES_ShowBG3_1 = Global.Config.SNES_ShowBG3_0 ^= true;
+				if (setto.HasValue)
+				{
+					Global.Config.SNES_ShowBG3_1 = Global.Config.SNES_ShowBG3_0 = setto.Value;
+				}
+				else
+				{
+					Global.Config.SNES_ShowBG3_1 = Global.Config.SNES_ShowBG3_0 ^= true;
+				}
 				SyncCoreCommInputSignals();
 				if (Global.Config.SNES_ShowBG3_1)
 				{
@@ -1918,11 +1940,18 @@ namespace BizHawk.MultiClient
 			}
 		}
 
-		private void SNES_ToggleBG4()
+		public void SNES_ToggleBG4(bool? setto = null)
 		{
 			if (Global.Emulator is LibsnesCore)
 			{
-				Global.Config.SNES_ShowBG4_1 = Global.Config.SNES_ShowBG4_0 ^= true;
+				if (setto.HasValue)
+				{
+					Global.Config.SNES_ShowBG4_1 = Global.Config.SNES_ShowBG4_0 = setto.Value;
+				}
+				else
+				{
+					Global.Config.SNES_ShowBG4_1 = Global.Config.SNES_ShowBG4_0 ^= true;
+				}
 				SyncCoreCommInputSignals();
 				if (Global.Config.SNES_ShowBG4_1)
 				{
@@ -1935,11 +1964,18 @@ namespace BizHawk.MultiClient
 			}
 		}
 
-		private void SNES_ToggleOBJ1()
+		public void SNES_ToggleOBJ1(bool? setto = null)
 		{
 			if (Global.Emulator is LibsnesCore)
 			{
-				Global.Config.SNES_ShowOBJ1 ^= true;
+				if (setto.HasValue)
+				{
+					Global.Config.SNES_ShowOBJ1 = setto.Value;
+				}
+				else
+				{
+					Global.Config.SNES_ShowOBJ1 ^= true;
+				}
 				SyncCoreCommInputSignals();
 				if (Global.Config.SNES_ShowOBJ1)
 				{
@@ -1952,11 +1988,18 @@ namespace BizHawk.MultiClient
 			}
 		}
 
-		private void SNES_ToggleOBJ2()
+		public void SNES_ToggleOBJ2(bool? setto = null)
 		{
 			if (Global.Emulator is LibsnesCore)
 			{
-				Global.Config.SNES_ShowOBJ2 ^= true;
+				if (setto.HasValue)
+				{
+					Global.Config.SNES_ShowOBJ2 = setto.Value;
+				}
+				else
+				{
+					Global.Config.SNES_ShowOBJ2 ^= true;
+				}
 				SyncCoreCommInputSignals();
 				if (Global.Config.SNES_ShowOBJ2)
 				{
@@ -1969,11 +2012,18 @@ namespace BizHawk.MultiClient
 			}
 		}
 
-		private void SNES_ToggleOBJ3()
+		public void SNES_ToggleOBJ3(bool? setto = null)
 		{
 			if (Global.Emulator is LibsnesCore)
 			{
-				Global.Config.SNES_ShowOBJ3 ^= true;
+				if (setto.HasValue)
+				{
+					Global.Config.SNES_ShowOBJ3 = setto.Value;
+				}
+				else
+				{
+					Global.Config.SNES_ShowOBJ3 ^= true;
+				}
 				SyncCoreCommInputSignals();
 				if (Global.Config.SNES_ShowOBJ3)
 				{
@@ -1986,11 +2036,18 @@ namespace BizHawk.MultiClient
 			}
 		}
 
-		private void SNES_ToggleOBJ4()
+		public void SNES_ToggleOBJ4(bool? setto = null)
 		{
 			if (Global.Emulator is LibsnesCore)
 			{
-				Global.Config.SNES_ShowOBJ4 ^= true;
+				if (setto.HasValue)
+				{
+					Global.Config.SNES_ShowOBJ4 = setto.Value;
+				}
+				else
+				{
+					Global.Config.SNES_ShowOBJ4 ^= true;
+				}
 				SyncCoreCommInputSignals();
 				if (Global.Config.SNES_ShowOBJ4)
 				{