//Save states and rom loading
private void HandleIO()
{
if (queueLoadState)
{
queueLoadState = false;
using (FileStream FS = new FileStream(saveStatePath, FileMode.Open))
{
ReadStateFromStream(FS);
}
RewindManager.Reset();
}
else if (queueSaveState)
{
queueSaveState = false;
using (FileStream FS = new FileStream(saveStatePath, FileMode.OpenOrCreate))
{
WriteStateToStream(FS);
}
}
else if (queueLoad)
{
queueLoad = false;
GamePak = new GamePak(romPath);
Mapper = Mapper.Create(this);
CPU.Reset();
PPU.Reset();
APU.Reset();
RewindManager.Reset();
State = EmulatorState.Running;
}
}
internal void WriteStateToStream(Stream stream)
{
BinaryFormatter BF = new BinaryFormatter();
object[] data;
if (GamePak.UsesCharRAM)
{
data = new object[] { CPU, PPU, APU, Mapper, GamePak.GetCharRAM() };
}
else
{
data = new object[] { CPU, PPU, APU, Mapper };
}
BF.Serialize(stream, data);
}
internal void ReadStateFromStream(Stream stream)
{
BinaryFormatter BF = new BinaryFormatter();
object[] data = (object[])BF.Deserialize(stream);
//Make sure to fix dead references from serialization
CPU = (CPU)data[0];
CPU.RefreshEmulatorReference(this);
CPU.Memory.RefreshEmulatorReference(this);
PPU = (PPU)data[1];
PPU.RefreshEmulatorReference(this);
PPU.Memory.RefreshEmulatorReference(this);
APU = (APU)data[2];
APU.RefreshEmulatorReference(this);
Mapper = (Mapper)data[3];
Mapper.RefreshEmulatorReference(this);
if (GamePak.UsesCharRAM)
{
GamePak.LoadCharRAM((byte[])data[4]);
}
}