public void FrameAdvance(bool render, bool rendersound = true)
{
Frame++;
if (Controller["Power"])
{
LibVBANext.Reset(Core);
}
SyncTraceCallback();
IsLagFrame = LibVBANext.FrameAdvance(Core, GetButtons(Controller), videobuff, soundbuff, out numsamp, videopalette);
if (IsLagFrame)
{
LagCount++;
}
}
public void FrameAdvance(IController controller, bool render, bool rendersound = true)
{
Frame++;
if (controller.IsPressed("Power"))
{
LibVBANext.Reset(Core);
}
SyncTraceCallback();
IsLagFrame = LibVBANext.FrameAdvance(Core, GetButtons(controller), _videobuff, _soundbuff, out _numsamp, _videopalette);
if (IsLagFrame)
{
LagCount++;
}
}
public void SetScanlineCallback(Action callback, int scanline)
{
if (scanline < 0 || scanline > 227)
{
throw new ArgumentOutOfRangeException(nameof(scanline), "Scanline must be in [0, 227]!");
}
if (callback == null)
{
scanlinecb = null;
LibVBANext.SetScanlineCallback(Core, scanlinecb, 0);
}
else
{
scanlinecb = new LibVBANext.StandardCallback(callback);
LibVBANext.SetScanlineCallback(Core, scanlinecb, scanline);
}
}
public void LoadStateBinary(BinaryReader reader)
{
int length = reader.ReadInt32();
if (length != _savebuff.Length)
{
throw new InvalidOperationException("Save buffer size mismatch!");
}
reader.Read(_savebuff, 0, length);
if (!LibVBANext.BinStateLoad(Core, _savebuff, _savebuff.Length))
{
throw new InvalidOperationException("Core's BinStateLoad() returned false!");
}
// other variables
IsLagFrame = reader.ReadBoolean();
LagCount = reader.ReadInt32();
Frame = reader.ReadInt32();
}
public void SaveStateText(TextWriter writer)
{
var s = new TextState <TextStateData>();
s.Prepare();
var ff = s.GetFunctionPointersSave();
LibVBANext.TxtStateSave(Core, ref ff);
s.ExtraData.IsLagFrame = IsLagFrame;
s.ExtraData.LagCount = LagCount;
s.ExtraData.Frame = Frame;
ser.Serialize(writer, s);
// write extra copy of stuff we don't use
writer.WriteLine();
writer.WriteLine("Frame {0}", Frame);
//Console.WriteLine(BizHawk.Common.BufferExtensions.BufferExtensions.HashSHA1(SaveStateBinary()));
}
public VBANext(byte[] file, CoreComm comm, GameInfo game, bool deterministic, object syncsettings)
{
var ser = new BasicServiceProvider(this);
ser.Register <IDisassemblable>(new ArmV4Disassembler());
ServiceProvider = ser;
CoreComm = comm;
byte[] biosfile = CoreComm.CoreFileProvider.GetFirmware("GBA", "Bios", true, "GBA bios file is mandatory.");
if (file.Length > 32 * 1024 * 1024)
{
throw new ArgumentException("ROM is too big to be a GBA ROM!");
}
if (biosfile.Length != 16 * 1024)
{
throw new ArgumentException("BIOS file is not exactly 16K!");
}
LibVBANext.FrontEndSettings FES = new LibVBANext.FrontEndSettings();
FES.saveType = (LibVBANext.FrontEndSettings.SaveType)game.GetInt("saveType", 0);
FES.flashSize = (LibVBANext.FrontEndSettings.FlashSize)game.GetInt("flashSize", 0x10000);
FES.enableRtc = game.GetInt("rtcEnabled", 0) != 0;
FES.mirroringEnable = game.GetInt("mirroringEnabled", 0) != 0;
Console.WriteLine("GameDB loaded settings: saveType={0}, flashSize={1}, rtcEnabled={2}, mirroringEnabled={3}",
FES.saveType, FES.flashSize, FES.enableRtc, FES.mirroringEnable);
_syncSettings = (SyncSettings)syncsettings ?? new SyncSettings();
DeterministicEmulation = deterministic;
FES.skipBios = _syncSettings.SkipBios;
FES.RTCUseRealTime = _syncSettings.RTCUseRealTime;
FES.RTCwday = (int)_syncSettings.RTCInitialDay;
FES.RTCyear = _syncSettings.RTCInitialTime.Year % 100;
FES.RTCmonth = _syncSettings.RTCInitialTime.Month - 1;
FES.RTCmday = _syncSettings.RTCInitialTime.Day;
FES.RTChour = _syncSettings.RTCInitialTime.Hour;
FES.RTCmin = _syncSettings.RTCInitialTime.Minute;
FES.RTCsec = _syncSettings.RTCInitialTime.Second;
if (DeterministicEmulation)
{
// FES.skipBios = false; // this is OK; it is deterministic and probably accurate
FES.RTCUseRealTime = false;
}
Core = LibVBANext.Create();
if (Core == IntPtr.Zero)
{
throw new InvalidOperationException("Create() returned nullptr!");
}
try
{
if (!LibVBANext.LoadRom(Core, file, (uint)file.Length, biosfile, (uint)biosfile.Length, FES))
{
throw new InvalidOperationException("LoadRom() returned false!");
}
Tracer = new TraceBuffer();
ser.Register <ITraceable>(Tracer);
CoreComm.VsyncNum = 262144;
CoreComm.VsyncDen = 4389;
CoreComm.NominalWidth = 240;
CoreComm.NominalHeight = 160;
GameCode = Encoding.ASCII.GetString(file, 0xac, 4);
Console.WriteLine("Game code \"{0}\"", GameCode);
savebuff = new byte[LibVBANext.BinStateSize(Core)];
savebuff2 = new byte[savebuff.Length + 13];
InitMemoryDomains();
InitRegisters();
InitCallbacks();
// todo: hook me up as a setting
SetupColors();
}
catch
{
Dispose();
throw;
}
}
void SyncTraceCallback()
{
LibVBANext.SetTraceCallback(Core, Tracer.Enabled ? tracecb : null);
}
void SyncMemoryCallbacks()
{
LibVBANext.SetFetchCallback(Core, MemoryCallbacks.HasExecutes ? fetchcb : null);
LibVBANext.SetReadCallback(Core, MemoryCallbacks.HasReads ? readcb : null);
LibVBANext.SetWriteCallback(Core, MemoryCallbacks.HasWrites ? writecb : null);
}
void SyncPadCallback()
{
LibVBANext.SetPadCallback(Core, InputCallbacks.Any() ? padcb : null);
}
private void InitMemoryDomains()
{
var mm = new List <MemoryDomain>();
var s = new LibVBANext.MemoryAreas();
var l = MemoryDomain.Endian.Little;
LibVBANext.GetMemoryAreas(Core, s);
mm.Add(MemoryDomain.FromIntPtr("IWRAM", 32 * 1024, l, s.iwram, true, 4));
mm.Add(MemoryDomain.FromIntPtr("EWRAM", 256 * 1024, l, s.ewram, true, 4));
mm.Add(MemoryDomain.FromIntPtr("BIOS", 16 * 1024, l, s.bios, false, 4));
mm.Add(MemoryDomain.FromIntPtr("PALRAM", 1024, l, s.palram, false, 4));
mm.Add(MemoryDomain.FromIntPtr("VRAM", 96 * 1024, l, s.vram, true, 4));
mm.Add(MemoryDomain.FromIntPtr("OAM", 1024, l, s.oam, true, 4));
mm.Add(MemoryDomain.FromIntPtr("ROM", 32 * 1024 * 1024, l, s.rom, true, 4));
mm.Add(MemoryDomain.FromIntPtr("SRAM", s.sram_size, l, s.sram, true, 4));
mm.Add(new MemoryDomainDelegate("System Bus", 0x10000000, l,
delegate(long addr)
{
if (addr < 0 || addr >= 0x10000000)
{
throw new ArgumentOutOfRangeException();
}
return(LibVBANext.SystemBusRead(Core, (int)addr));
},
delegate(long addr, byte val)
{
if (addr < 0 || addr >= 0x10000000)
{
throw new ArgumentOutOfRangeException();
}
LibVBANext.SystemBusWrite(Core, (int)addr, val);
}, 4));
// special combined ram memory domain
{
var ew = mm[1];
var iw = mm[0];
MemoryDomain cr = new MemoryDomainDelegate("Combined WRAM", (256 + 32) * 1024, MemoryDomain.Endian.Little,
delegate(long addr)
{
if (addr < 0 || addr >= (256 + 32) * 1024)
{
throw new IndexOutOfRangeException();
}
if (addr >= 256 * 1024)
{
return(iw.PeekByte(addr & 32767));
}
else
{
return(ew.PeekByte(addr));
}
},
delegate(long addr, byte val)
{
if (addr < 0 || addr >= (256 + 32) * 1024)
{
throw new IndexOutOfRangeException();
}
if (addr >= 256 * 1024)
{
iw.PokeByte(addr & 32767, val);
}
else
{
ew.PokeByte(addr, val);
}
}, 4);
mm.Add(cr);
}
_memoryDomains = new MemoryDomainList(mm);
(ServiceProvider as BasicServiceProvider).Register <IMemoryDomains>(_memoryDomains);
}
public static extern bool BizAdvance(IntPtr ctx, LibVBANext.Buttons keys, int[] vbuff, ref int nsamp, short[] sbuff, long time, short gyrox, short gyroy, short gyroz, byte luma);
