saturn emulator. for the moment, try loading any unknown .cue file. when you do so, the saturn core will attempt to load "D:\encodes\saturnimages\Castlevania SOTN.iso"

BizHawk.Emulation/BizHawk.Emulation.csproj

@@ -357,6 +357,8 @@
     <Compile Include="Consoles\Sega\Genesis\Cart\RomHeader.cs" />
     <Compile Include="Consoles\Sega\Genesis\Cart\SaveRAM.cs" />
     <Compile Include="Consoles\Sega\Genesis\Input.cs" />
+    <Compile Include="Consoles\Sega\Saturn\LibYabause.cs" />
+    <Compile Include="Consoles\Sega\Saturn\Yabause.cs" />
     <Compile Include="Consoles\Sega\SMS\MemoryMap.CodeMasters.cs" />
     <Compile Include="Consoles\Sega\SMS\MemoryMap.Sega.cs" />
     <Compile Include="Consoles\Sega\SMS\VDP.ModeTMS.cs" />

BizHawk.Emulation/Consoles/Sega/Saturn/LibYabause.cs

@@ -0,0 +1,38 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Runtime.InteropServices;
+
+namespace BizHawk.Emulation.Consoles.Sega.Saturn
+{
+	public static class LibYabause
+	{
+		/// <summary>
+		/// set video buffer
+		/// </summary>
+		/// <param name="buff">704x512x32bit, should persist over time</param>
+		[DllImport("libyabause.dll", CallingConvention = CallingConvention.Cdecl)]
+		public static extern void libyabause_setvidbuff(IntPtr buff);
+
+		/// <summary>
+		/// soft reset, or something like that
+		/// </summary>
+		[DllImport("libyabause.dll", CallingConvention = CallingConvention.Cdecl)]
+		public static extern void libyabause_softreset();
+
+		/// <summary>
+		/// 
+		/// </summary>
+		/// <param name="w">width of framebuffer</param>
+		/// <param name="h">height of framebuffer</param>
+		[DllImport("libyabause.dll", CallingConvention = CallingConvention.Cdecl)]
+		public static extern void libyabause_frameadvance(out int w, out int h);
+
+		[DllImport("libyabause.dll", CallingConvention = CallingConvention.Cdecl)]
+		public static extern void libyabause_deinit();
+
+		[DllImport("libyabause.dll", CallingConvention = CallingConvention.Cdecl)]
+		public static extern bool libyabause_init();
+	}
+}

BizHawk.Emulation/Consoles/Sega/Saturn/Yabause.cs

@@ -0,0 +1,205 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Runtime.InteropServices;
+
+namespace BizHawk.Emulation.Consoles.Sega.Saturn
+{
+	public class Yabause : IEmulator, IVideoProvider, ISyncSoundProvider
+	{
+		public static ControllerDefinition SaturnController = new ControllerDefinition
+		{
+			Name = "Saturn Controller",
+			BoolButtons =
+			{					
+				"Up", "Down", "Left", "Right", "Start", "Z", "Y", "X", "B", "A", "L", "R"
+			}
+		};
+
+		static Yabause AttachedCore = null;
+		GCHandle VideoHandle;
+
+		public Yabause(CoreComm CoreComm)
+		{
+			CoreComm.RomStatusDetails = "Yeh";
+			this.CoreComm = CoreComm;
+			Init();
+		}
+
+		void Init()
+		{
+			if (AttachedCore != null)
+			{
+				AttachedCore.Dispose();
+				AttachedCore = null;
+			}
+			VideoHandle = GCHandle.Alloc(VideoBuffer, GCHandleType.Pinned);
+
+			if (!LibYabause.libyabause_init())
+				throw new Exception("libyabause_init() failed!");
+
+			LibYabause.libyabause_setvidbuff(VideoHandle.AddrOfPinnedObject());
+			AttachedCore = this;
+		}
+
+		public ControllerDefinition ControllerDefinition
+		{
+			get { return SaturnController; }
+		}
+
+		public IController Controller { get; set; }
+
+		public void FrameAdvance(bool render, bool rendersound = true)
+		{
+			int w, h;
+			LibYabause.libyabause_frameadvance(out w, out h);
+			BufferWidth = w;
+			BufferHeight = h;
+			Frame++;
+			LagCount++;
+		}
+
+		public int Frame
+		{
+			get;
+			private set;
+		}
+
+		public int LagCount
+		{
+			get;
+			set;
+		}
+
+		public bool IsLagFrame
+		{
+			get { return true; }
+		}
+
+		public string SystemId
+		{
+			get { return "SAT"; }
+		}
+
+		public bool DeterministicEmulation
+		{
+			get { return true; }
+		}
+
+		public byte[] ReadSaveRam()
+		{
+			return new byte[0];
+		}
+
+		public void StoreSaveRam(byte[] data)
+		{
+		}
+
+		public void ClearSaveRam()
+		{
+		}
+
+		public bool SaveRamModified
+		{
+			get;
+			set;
+		}
+
+		public void ResetFrameCounter()
+		{
+			Frame = 0;
+			LagCount = 0;
+		}
+
+		public void SaveStateText(System.IO.TextWriter writer)
+		{
+		}
+
+		public void LoadStateText(System.IO.TextReader reader)
+		{
+		}
+
+		public void SaveStateBinary(System.IO.BinaryWriter writer)
+		{
+		}
+
+		public void LoadStateBinary(System.IO.BinaryReader reader)
+		{
+		}
+
+		public byte[] SaveStateBinary()
+		{
+			return new byte[0];
+		}
+
+		public CoreComm CoreComm { get; private set; }
+
+		public IList<MemoryDomain> MemoryDomains
+		{
+			get { throw new NotImplementedException(); }
+		}
+
+		public MemoryDomain MainMemory
+		{
+			get { throw new NotImplementedException(); }
+		}
+
+		public void Dispose()
+		{
+			LibYabause.libyabause_setvidbuff(IntPtr.Zero);
+			LibYabause.libyabause_deinit();
+			VideoHandle.Free();
+		}
+
+		#region IVideoProvider
+
+		public IVideoProvider VideoProvider { get { return this; } }
+		int[] VideoBuffer = new int[704 * 512];
+		public int[] GetVideoBuffer() { return VideoBuffer; }
+		public int VirtualWidth { get; private set; }
+		public int BufferWidth { get; private set; }
+		public int BufferHeight { get; private set; }
+		public int BackgroundColor { get { return unchecked((int)0xff000000); } }
+
+		#endregion
+
+		#region ISyncSoundProvider
+
+		short[] SoundBuffer = new short[735 * 2];
+
+		public void GetSamples(out short[] samples, out int nsamp)
+		{
+			nsamp = 735;
+			samples = SoundBuffer;
+		}
+
+		public void DiscardSamples()
+		{
+		}
+
+		public ISoundProvider SoundProvider
+		{
+			get { return null; }
+		}
+
+		public ISyncSoundProvider SyncSoundProvider
+		{
+			get { return this; }
+		}
+
+		public bool StartAsyncSound()
+		{
+			return false;
+		}
+
+		public void EndAsyncSound()
+		{
+
+		}
+
+
+
+		#endregion
+	}
+}

BizHawk.MultiClient/MainForm.cs

@@ -1873,14 +1873,24 @@ namespace BizHawk.MultiClient
 								game = new GameInfo {System = "PSX", Name = Path.GetFileNameWithoutExtension(file.Name), Hash = hash};
 								disc.Dispose();
 							}
+								/*
 							else
 							{
 								game = new GameInfo {System = "PCECD", Name = Path.GetFileNameWithoutExtension(file.Name), Hash = hash};
+							}*/
+							else
+							{
+								game = new GameInfo {System = "SAT", Name = Path.GetFileNameWithoutExtension(file.Name), Hash = hash};
 							}
 						}
 
 						switch (game.System)
 						{
+							case "SAT":
+								var saturn = new Emulation.Consoles.Sega.Saturn.Yabause(nextComm);
+								nextEmulator = saturn;
+								break;
+
 							case "PSX":
 								{
 									var psx = new Emulation.Consoles.PSX.Octoshock(nextComm);

BizHawk.MultiClient/movie/InputAdapters.cs

@@ -589,6 +589,10 @@ namespace BizHawk.MultiClient
 			{
 				return ""; // TODO
 			}
+			else if (ControlType == "Saturn Controller")
+			{
+				return ""; // TODO
+			}
 
 			StringBuilder input = new StringBuilder("|");
 
@@ -1026,6 +1030,11 @@ namespace BizHawk.MultiClient
 				// TODO
 				return;
 			}
+			else if (ControlType == "Saturn Controller")
+			{
+				// TODO
+				return;
+			}
 
 			MnemonicChecker c = new MnemonicChecker(mnemonic);