Put NotImplemented attribute on a bunch of things, and remove IMemoryDomains from a few cores that were implementing it but throwing a NotImplementedException

BizHawk.Emulation.Cores/Consoles/Atari/lynx/Lynx.cs

@@ -304,6 +304,7 @@ namespace BizHawk.Emulation.Cores.Atari.Lynx
 			Marshal.Copy(srcdata, 0, data, size);
 		}
 
+		[FeatureNotImplemented]
 		public void ClearSaveRam()
 		{
 			throw new NotImplementedException();

BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/Meteor.cs

@@ -26,6 +26,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBA
 			return ret;
 		}
 
+		[FeatureNotImplemented]
 		public void SetCpuRegister(string register, int value)
 		{
 			throw new NotImplementedException();

BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/VBANext.cs

@@ -154,6 +154,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBA
 				throw new InvalidOperationException("SaveRamLoad() failed!");
 		}
 
+		[FeatureNotImplemented]
 		public void ClearSaveRam()
 		{
 			throw new NotImplementedException();

BizHawk.Emulation.Cores/Consoles/Nintendo/Gameboy/Gambatte.cs

@@ -251,6 +251,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.Gameboy
 			};
 		}
 
+		[FeatureNotImplemented]
 		public void SetCpuRegister(string register, int value)
 		{
 			throw new NotImplementedException();

BizHawk.Emulation.Cores/Consoles/Nintendo/Gameboy/GambatteLink.cs

@@ -286,6 +286,8 @@ namespace BizHawk.Emulation.Cores.Nintendo.Gameboy
 			{
 				return L.SaveRamModified || R.SaveRamModified;
 			}
+
+			[FeatureNotImplemented]
 			set
 			{
 				throw new NotImplementedException();

BizHawk.Emulation.Cores/Consoles/Nintendo/N64/N64.cs

@@ -452,6 +452,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.N64
 			return ret;
 		}
 
+		[FeatureNotImplemented]
 		public void SetCpuRegister(string register, int value)
 		{
 			throw new NotImplementedException();

BizHawk.Emulation.Cores/Consoles/Nintendo/QuickNES/QuickNES.cs

@@ -393,6 +393,7 @@ namespace BizHawk.Emulation.Cores.Consoles.Nintendo.QuickNES
 			return ret;
 		}
 
+		[FeatureNotImplemented]
 		public void SetCpuRegister(string register, int value)
 		{
 			throw new NotImplementedException();

BizHawk.Emulation.Cores/Consoles/Nintendo/SNES/LibsnesCore.cs

@@ -241,6 +241,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.SNES
 			};
 		}
 
+		[FeatureNotImplemented]
 		public void SetCpuRegister(string register, int value)
 		{
 			throw new NotImplementedException();

BizHawk.Emulation.Cores/Consoles/Nintendo/SNES9X/Snes9x.cs

@@ -10,7 +10,7 @@ using BizHawk.Emulation.Common;
 namespace BizHawk.Emulation.Cores.Nintendo.SNES9X
 {
 	[CoreAttributes("Snes9x", "FIXME", true, false, "5e0319ab3ef9611250efb18255186d0dc0d7e125", "https://github.com/snes9xgit/snes9x")]
-	public class Snes9x : IEmulator, IVideoProvider, ISyncSoundProvider, IMemoryDomains
+	public class Snes9x : IEmulator, IVideoProvider, ISyncSoundProvider
 	{
 		#region controller
 
@@ -82,6 +82,8 @@ namespace BizHawk.Emulation.Cores.Nintendo.SNES9X
 			{
 				return false;
 			}
+
+			[FeatureNotImplemented]
 			set
 			{
 				throw new NotImplementedException();
@@ -117,15 +119,6 @@ namespace BizHawk.Emulation.Cores.Nintendo.SNES9X
 
 		#endregion
 
-		#region debugging
-
-		public MemoryDomainList MemoryDomains
-		{
-			get { throw new NotImplementedException(); }
-		}
-
-		#endregion
-
 		#region IVideoProvider
 
 		private int[] _vbuff = new int[512 * 480];

BizHawk.Emulation.Cores/Consoles/PC Engine/PCEngine.cs

@@ -554,6 +554,7 @@ namespace BizHawk.Emulation.Cores.PCEngine
 			};
 		}
 
+		[FeatureNotImplemented]
 		public void SetCpuRegister(string register, int value)
 		{
 			throw new NotImplementedException();

BizHawk.Emulation.Cores/Consoles/Sega/Genesis/Genesis.cs

@@ -280,6 +280,7 @@ namespace BizHawk.Emulation.Cores.Sega.Genesis
 			};
 		}
 
+		[FeatureNotImplemented]
 		public void SetCpuRegister(string register, int value)
 		{
 			throw new NotImplementedException();

BizHawk.Emulation.Cores/Consoles/Sega/gpgx/GPGX.cs

@@ -640,6 +640,7 @@ namespace BizHawk.Emulation.Cores.Consoles.Sega.gpgx
 			return ret;
 		}
 
+		[FeatureNotImplemented]
 		public void SetCpuRegister(string register, int value)
 		{
 			throw new NotImplementedException();

BizHawk.Emulation.Cores/Consoles/Sony/PSP/PSP.cs

@@ -120,15 +120,19 @@ namespace BizHawk.Emulation.Cores.Sony.PSP
 
 		public int Frame
 		{
+			[FeatureNotImplemented]
 			get { return 0; }
 		}
 
 		public int LagCount
 		{
+			[FeatureNotImplemented]
 			get
 			{
 				return 0;
 			}
+
+			[FeatureNotImplemented]
 			set
 			{
 			}
@@ -136,58 +140,72 @@ namespace BizHawk.Emulation.Cores.Sony.PSP
 
 		public bool IsLagFrame
 		{
+			[FeatureNotImplemented]
 			get { return true; }
 		}
 
+		[FeatureNotImplemented]
 		public byte[] CloneSaveRam()
 		{
 			return new byte[0];
 		}
 
+		[FeatureNotImplemented]
 		public void StoreSaveRam(byte[] data)
 		{
 		}
 
+		[FeatureNotImplemented]
 		public void ClearSaveRam()
 		{
 		}
 
 		public bool SaveRamModified
 		{
+			[FeatureNotImplemented]
 			get
 			{
 				return false;
 			}
+
+			[FeatureNotImplemented]
 			set
 			{
 			}
 		}
 
+		[FeatureNotImplemented]
 		public void ResetCounters()
 		{
 		}
 
+		[FeatureNotImplemented]
 		public void SaveStateText(System.IO.TextWriter writer)
 		{
 		}
 
+		[FeatureNotImplemented]
 		public void LoadStateText(System.IO.TextReader reader)
 		{
 		}
 
+		[FeatureNotImplemented]
 		public void SaveStateBinary(System.IO.BinaryWriter writer)
 		{
 		}
 
+		[FeatureNotImplemented]
 		public void LoadStateBinary(System.IO.BinaryReader reader)
 		{
 		}
 
+		[FeatureNotImplemented]
 		public byte[] SaveStateBinary()
 		{
 			return new byte[0];
 		}
 
+		[FeatureNotImplemented]
 		public MemoryDomainList MemoryDomains
 		{
 			get { throw new NotImplementedException(); }

BizHawk.Emulation.Cores/Consoles/Sony/PSX/Octoshock.cs

@@ -15,7 +15,7 @@ namespace BizHawk.Emulation.Cores.Sony.PSX
 		isPorted: true,
 		isReleased: false
 		)]
-	public unsafe class Octoshock : IEmulator, IVideoProvider, ISoundProvider, IMemoryDomains
+	public unsafe class Octoshock : IEmulator, IVideoProvider, ISoundProvider
 	{
 		public string SystemId { get { return "NULL"; } }
 		public static readonly ControllerDefinition NullController = new ControllerDefinition { Name = "Null Controller" };
@@ -65,8 +65,6 @@ namespace BizHawk.Emulation.Cores.Sony.PSX
 			CoreComm = comm;
 			VirtualWidth = BufferWidth = 256;
 			BufferHeight = 192;
-
-			MemoryDomains = new MemoryDomainList(memoryDomains);
 		}
 
 		void Attach()
@@ -254,23 +252,67 @@ namespace BizHawk.Emulation.Cores.Sony.PSX
 					frameBuffer[i] = (int)unchecked(((int*)ptr)[y * p + x] | (int)0xFF000000);
 				}
 		}
+
+		[FeatureNotImplemented]
 		public ControllerDefinition ControllerDefinition { get { return NullController; } }
+
+		[FeatureNotImplemented]
 		public IController Controller { get; set; }
 
-		public int Frame { get; set; }
+		public int Frame
-		public int LagCount { get { return 0; } set { return; } }
+		{
-		public bool IsLagFrame { get { return false; } }
+			[FeatureNotImplemented]
+			get;
 
+			[FeatureNotImplemented]
+			set;
+		}
+
+		public int LagCount
+		{
+			[FeatureNotImplemented]
+			get { return 0; }
+
+			[FeatureNotImplemented]
+			set { return; }
+		}
+		public bool IsLagFrame
+		{
+			[FeatureNotImplemented]
+			get { return false; }
+		}
+
+		[FeatureNotImplemented]
 		public byte[] CloneSaveRam() { return null; }
+
+		[FeatureNotImplemented]
 		public void StoreSaveRam(byte[] data) { }
+
+		[FeatureNotImplemented]
 		public void ClearSaveRam() { }
+
+		[FeatureNotImplemented]
 		public bool DeterministicEmulation { get { return true; } }
+
+		[FeatureNotImplemented]
 		public bool SaveRamModified { get; set; }
+
+		[FeatureNotImplemented]
 		public void SaveStateText(TextWriter writer) { }
+
+		[FeatureNotImplemented]
 		public void LoadStateText(TextReader reader) { }
+
+		[FeatureNotImplemented]
 		public void SaveStateBinary(BinaryWriter writer) { }
+
+		[FeatureNotImplemented]
 		public void LoadStateBinary(BinaryReader reader) { }
+
+		[FeatureNotImplemented]
 		public byte[] SaveStateBinary() { return new byte[1]; }
+
+		[FeatureNotImplemented]
 		public bool BinarySaveStatesPreferred { get { return false; } }
 		public int[] GetVideoBuffer() { return frameBuffer; }
 		public int VirtualWidth { get; private set; }
@@ -281,7 +323,5 @@ namespace BizHawk.Emulation.Cores.Sony.PSX
 		public void GetSamples(short[] samples) { }
 		public void DiscardSamples() { }
 		public int MaxVolume { get; set; }
-		private List<MemoryDomain> memoryDomains = new List<MemoryDomain>();
-		public MemoryDomainList MemoryDomains { get; private set; }
 	}
 }

BizHawk.Emulation.Cores/Consoles/WonderSwan/WonderSwan.cs

@@ -336,6 +336,7 @@ namespace BizHawk.Emulation.Cores.WonderSwan
 			return ret;
 		}
 
+		[FeatureNotImplemented]
 		public void SetCpuRegister(string register, int value)
 		{
 			throw new NotImplementedException();

BizHawk.Emulation.Cores/LibRetroEmulator.cs

@@ -288,6 +288,8 @@ namespace BizHawk.Emulation.Cores
 		public bool SaveRamModified
 		{
 			get { return true; }
+
+			[FeatureNotImplemented]
 			set { throw new NotImplementedException(); }
 		}
 
@@ -305,11 +307,13 @@ namespace BizHawk.Emulation.Cores
 		private byte[] savebuff;
 		private byte[] savebuff2;
 
+		[FeatureNotImplemented]
 		public void SaveStateText(System.IO.TextWriter writer)
 		{
 			throw new NotImplementedException();
 		}
 
+		[FeatureNotImplemented]
 		public void LoadStateText(System.IO.TextReader reader)
 		{
 			throw new NotImplementedException();