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i was going to fix gambatte savestates in a clever way, but i ended up just changing around a few things and then giving up

This commit is contained in:
goyuken 2012-09-23 16:56:11 +00:00
parent 7e89882d42
commit 71916f698d
1 changed files with 40 additions and 18 deletions
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58
BizHawk.Emulation/Consoles/Nintendo/Gameboy/Gambatte.cs
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@ -222,21 +222,11 @@ namespace BizHawk.Emulation.Consoles.GB
#region savestates
public void SaveStateText(System.IO.TextWriter writer)
{
var temp = SaveStateBinary();
temp.SaveAsHex(writer);
}
public void LoadStateText(System.IO.TextReader reader)
{
string hex = reader.ReadLine();
byte[] state = new byte[hex.Length / 2];
state.ReadFromHex(hex);
LoadStateBinary(new BinaryReader(new MemoryStream(state)));
}
public void SaveStateBinary(System.IO.BinaryWriter writer)
/// <summary>
/// handles the core-portion of savestating
/// </summary>
/// <returns>private binary data corresponding to a savestate</returns>
byte[] SaveCoreBinary()
{
uint nlen = 0;
IntPtr ndata = IntPtr.Zero;
@ -251,7 +241,40 @@ namespace BizHawk.Emulation.Consoles.GB
System.Runtime.InteropServices.Marshal.Copy(ndata, data, 0, (int)nlen);
LibGambatte.gambatte_savestate_destroy(ndata);
writer.Write((int)nlen);
return data;
}
/// <summary>
/// handles the core portion of loadstating
/// </summary>
/// <param name="data">private binary data previously returned from SaveCoreBinary()</param>
void LoadCoreBinary(byte[] data)
{
if (!LibGambatte.gambatte_loadstate(GambatteState, data, (uint)data.Length))
throw new Exception("Gambatte failed to load the savestate!");
}
public void SaveStateText(System.IO.TextWriter writer)
{
var temp = SaveStateBinary();
temp.SaveAsHex(writer);
// write extra copy of stuff we don't use
writer.WriteLine("Frame {0}", Frame);
}
public void LoadStateText(System.IO.TextReader reader)
{
string hex = reader.ReadLine();
byte[] state = new byte[hex.Length / 2];
state.ReadFromHex(hex);
LoadStateBinary(new BinaryReader(new MemoryStream(state)));
}
public void SaveStateBinary(System.IO.BinaryWriter writer)
{
byte[] data = SaveCoreBinary();
writer.Write(data.Length);
writer.Write(data);
// other variables
@ -265,8 +288,7 @@ namespace BizHawk.Emulation.Consoles.GB
int length = reader.ReadInt32();
byte[] data = reader.ReadBytes(length);
if (!LibGambatte.gambatte_loadstate(GambatteState, data, (uint)length))
throw new Exception("Gambatte failed to load the savestate!");
LoadCoreBinary(data);
// other variables
IsLagFrame = reader.ReadBoolean();