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Saturnus: IStatable, IRegionable

This commit is contained in:
nattthebear 2017-06-07 20:54:10 -04:00
parent 51d36f4563
commit 145f58a145
1 changed files with 61 additions and 6 deletions
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67
BizHawk.Emulation.Cores/Consoles/Sega/Saturn/Saturnus.cs
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@ -5,6 +5,7 @@ using BizHawk.Emulation.Cores.Waterbox;
using BizHawk.Emulation.DiscSystem;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.Security.Cryptography;
@ -15,7 +16,7 @@ namespace BizHawk.Emulation.Cores.Consoles.Sega.Saturn
{
[CoreAttributes("Saturnus", "Ryphecha", true, false, "0.9.44.1",
"https://mednafen.github.io/releases/", false)]
public class Saturnus : IEmulator, IVideoProvider, ISoundProvider, IInputPollable, IDriveLight
public class Saturnus : IEmulator, IVideoProvider, ISoundProvider, IInputPollable, IDriveLight, IStatable, IRegionable
{
private static readonly DiscSectorReaderPolicy _diskPolicy = new DiscSectorReaderPolicy
{
@ -68,11 +69,11 @@ namespace BizHawk.Emulation.Cores.Consoles.Sega.Saturn
{
Path = comm.CoreFileProvider.DllPath(),
Filename = "ss.wbx",
SbrkHeapSizeKB = 32 * 1024,
SealedHeapSizeKB = 32 * 1024, // 512KB of bios
InvisibleHeapSizeKB = 32 * 1024, // 4MB of framebuffer
MmapHeapSizeKB = 32 * 1024, // not used?
PlainHeapSizeKB = 32 * 1024, // up to 16MB of cart ram
SbrkHeapSizeKB = 128,
SealedHeapSizeKB = 1024, // 512KB of bios
InvisibleHeapSizeKB = 8 * 1024, // 4MB of framebuffer
MmapHeapSizeKB = 0, // not used?
PlainHeapSizeKB = 24 * 1024, // up to 16MB of cart ram
StartAddress = LibSaturnus.StartAddress
});
_core = BizInvoker.GetInvoker<LibSaturnus>(_exe, _exe);
@ -150,12 +151,66 @@ namespace BizHawk.Emulation.Cores.Consoles.Sega.Saturn
Frame = 0;
}
public DisplayType Region => _isPal ? DisplayType.PAL : DisplayType.NTSC;
public IEmulatorServiceProvider ServiceProvider { get; private set; }
public string SystemId { get { return "SAT"; } }
public bool DeterministicEmulation { get; private set; }
public CoreComm CoreComm { get; }
public ControllerDefinition ControllerDefinition { get; }
#region IStatable
public bool BinarySaveStatesPreferred => true;
public void SaveStateText(TextWriter writer)
{
var temp = SaveStateBinary();
temp.SaveAsHexFast(writer);
// write extra copy of stuff we don't use
writer.WriteLine("Frame {0}", Frame);
}
public void LoadStateText(TextReader reader)
{
string hex = reader.ReadLine();
byte[] state = new byte[hex.Length / 2];
state.ReadFromHexFast(hex);
LoadStateBinary(new BinaryReader(new MemoryStream(state)));
}
public void LoadStateBinary(BinaryReader reader)
{
_exe.LoadStateBinary(reader);
// other variables
Frame = reader.ReadInt32();
LagCount = reader.ReadInt32();
IsLagFrame = reader.ReadBoolean();
// any managed pointers that we sent to the core need to be resent now!
SetCdCallbacks();
_core.SetInputCallback(null);
}
public void SaveStateBinary(BinaryWriter writer)
{
_exe.SaveStateBinary(writer);
// other variables
writer.Write(Frame);
writer.Write(LagCount);
writer.Write(IsLagFrame);
}
public byte[] SaveStateBinary()
{
var ms = new MemoryStream();
var bw = new BinaryWriter(ms);
SaveStateBinary(bw);
bw.Flush();
ms.Close();
return ms.ToArray();
}
#endregion
#region Callbacks
private LibSaturnus.FirmwareSizeCallback _firmwareSizeCallback;