public NES(CoreComm comm, GameInfo game, byte[] rom, object Settings, object SyncSettings)
{
var ser = new BasicServiceProvider(this);
ServiceProvider = ser;
byte[] fdsbios = comm.CoreFileProvider.GetFirmware("NES", "Bios_FDS", false);
if (fdsbios != null && fdsbios.Length == 40976)
{
comm.ShowMessage("Your FDS BIOS is a bad dump. BizHawk will attempt to use it, but no guarantees! You should find a new one.");
var tmp = new byte[8192];
Buffer.BlockCopy(fdsbios, 16 + 8192 * 3, tmp, 0, 8192);
fdsbios = tmp;
}
this.SyncSettings = (NESSyncSettings)SyncSettings ?? new NESSyncSettings();
this.ControllerSettings = this.SyncSettings.Controls;
CoreComm = comm;
MemoryCallbacks = new MemoryCallbackSystem();
BootGodDB.Initialize();
videoProvider = new MyVideoProvider(this);
Init(game, rom, fdsbios);
if (Board is FDS)
{
DriveLightEnabled = true;
(Board as FDS).SetDriveLightCallback((val) => DriveLightOn = val);
// bit of a hack: we don't have a private gamedb for FDS, but the frontend
// expects this to be set.
RomStatus = game.Status;
}
PutSettings((NESSettings)Settings ?? new NESSettings());
ser.Register <IDisassemblable>(cpu);
Tracer = new TraceBuffer {
Header = cpu.TraceHeader
};
ser.Register <ITraceable>(Tracer);
ser.Register <IVideoProvider>(videoProvider);
if (Board is BANDAI_FCG_1)
{
var reader = (Board as BANDAI_FCG_1).reader;
// not all BANDAI FCG 1 boards have a barcode reader
if (reader != null)
{
ser.Register <DatachBarcode>(reader);
}
}
}
private void SyncState(Serializer ser)
{
byte[] core = null;
if (ser.IsWriter)
{
var ms = new MemoryStream();
ms.Close();
core = ms.ToArray();
}
if (ser.IsWriter)
{
ser.SyncEnum("_machineType", ref _machineType);
_cpu.SyncState(ser);
ser.BeginSection("AmstradCPC");
_machine.SyncState(ser);
ser.Sync("Frame", ref _machine.FrameCount);
ser.Sync("LagCount", ref _lagCount);
ser.Sync("IsLag", ref _isLag);
ser.EndSection();
}
if (ser.IsReader)
{
var tmpM = _machineType;
ser.SyncEnum("_machineType", ref _machineType);
if (tmpM != _machineType && _machineType.ToString() != "72")
{
string msg = "SAVESTATE FAILED TO LOAD!!\n\n";
msg += "Current Configuration: " + tmpM.ToString();
msg += "\n";
msg += "Saved Configuration: " + _machineType.ToString();
msg += "\n\n";
msg += "If you wish to load this SaveState ensure that you have the correct machine configuration selected, reboot the core, then try again.";
CoreComm.ShowMessage(msg);
_machineType = tmpM;
}
else
{
_cpu.SyncState(ser);
ser.BeginSection("AmstradCPC");
_machine.SyncState(ser);
ser.Sync("Frame", ref _machine.FrameCount);
ser.Sync("LagCount", ref _lagCount);
ser.Sync("IsLag", ref _isLag);
ser.EndSection();
SyncAllByteArrayDomains();
}
}
}
public NES(CoreComm comm, GameInfo game, byte[] rom, NESSettings settings, NESSyncSettings syncSettings, bool subframe = false)
{
var ser = new BasicServiceProvider(this);
ServiceProvider = ser;
var fdsBios = comm.CoreFileProvider.GetFirmware(new("NES", "Bios_FDS"));
if (fdsBios != null && fdsBios.Length == 40976)
{
comm.ShowMessage("Your FDS BIOS is a bad dump. BizHawk will attempt to use it, but no guarantees! You should find a new one.");
var tmp = new byte[8192];
Buffer.BlockCopy(fdsBios, 16 + 8192 * 3, tmp, 0, 8192);
fdsBios = tmp;
}
SyncSettings = (NESSyncSettings)syncSettings ?? new NESSyncSettings();
ControllerSettings = SyncSettings.Controls;
videoProvider = new MyVideoProvider(this);
Init(game, rom, fdsBios);
if (Board is FDS fds)
{
DriveLightEnabled = true;
fds.SetDriveLightCallback(val => DriveLightOn = val);
// bit of a hack: we don't have a private gamedb for FDS, but the frontend
// expects this to be set.
RomStatus = game.Status;
}
PutSettings((NESSettings)settings ?? new NESSettings());
// we need to put this here because the line directly above will overwrite palette intialization anywhere else
// TODO: What if settings are later loaded?
if (_isVS)
{
PickVSPalette(cart);
}
ser.Register <IDisassemblable>(cpu);
Tracer = new TraceBuffer(cpu.TraceHeader);
ser.Register <ITraceable>(Tracer);
ser.Register <IVideoProvider>(videoProvider);
ser.Register <ISoundProvider>(this);
ser.Register <IStatable>(new StateSerializer(SyncState)
{
LoadStateCallback = SetupMemoryDomains
});
if (Board is BANDAI_FCG_1 bandai)
{
var reader = bandai.reader;
// not all BANDAI FCG 1 boards have a barcode reader
if (reader != null)
{
ser.Register(reader);
}
}
ResetControllerDefinition(subframe);
}
private string snes_path_request(int slot, string hint)
{
// every rom requests msu1.rom... why? who knows.
// also handle msu-1 pcm files here
bool isMsu1Rom = hint == "msu1.rom";
bool isMsu1Pcm = Path.GetExtension(hint).ToLower() == ".pcm";
if (isMsu1Rom || isMsu1Pcm)
{
// well, check if we have an msu-1 xml
if (_romxml?["cartridge"]?["msu1"] != null)
{
var msu1 = _romxml["cartridge"]["msu1"];
if (isMsu1Rom && msu1["rom"]?.Attributes["name"] != null)
{
return(CoreComm.CoreFileProvider.PathSubfile(msu1["rom"].Attributes["name"].Value));
}
if (isMsu1Pcm)
{
// return @"D:\roms\snes\SuperRoadBlaster\SuperRoadBlaster-1.pcm";
// return "";
int wantsTrackNumber = int.Parse(hint.Replace("track-", "").Replace(".pcm", ""));
wantsTrackNumber++;
string wantsTrackString = wantsTrackNumber.ToString();
foreach (var child in msu1.ChildNodes.Cast <XmlNode>())
{
if (child.Name == "track" && child.Attributes["number"].Value == wantsTrackString)
{
return(CoreComm.CoreFileProvider.PathSubfile(child.Attributes["name"].Value));
}
}
}
}
// not found.. what to do? (every rom will get here when msu1.rom is requested)
return("");
}
// not MSU-1. ok.
string firmwareId;
switch (hint)
{
case "cx4.rom": firmwareId = "CX4"; break;
case "dsp1.rom": firmwareId = "DSP1"; break;
case "dsp1b.rom": firmwareId = "DSP1b"; break;
case "dsp2.rom": firmwareId = "DSP2"; break;
case "dsp3.rom": firmwareId = "DSP3"; break;
case "dsp4.rom": firmwareId = "DSP4"; break;
case "st010.rom": firmwareId = "ST010"; break;
case "st011.rom": firmwareId = "ST011"; break;
case "st018.rom": firmwareId = "ST018"; break;
default:
CoreComm.ShowMessage($"Unrecognized SNES firmware request \"{hint}\".");
return("");
}
string ret;
var data = CoreComm.CoreFileProvider.GetFirmware("SNES", firmwareId, false, "Game may function incorrectly without the requested firmware.");
if (data != null)
{
ret = hint;
Api.AddReadonlyFile(data, hint);
}
else
{
ret = "";
}
Console.WriteLine("Served libsnes request for firmware \"{0}\"", hint);
// return the path we built
return(ret);
}
public Gameboy(CoreComm comm, GameInfo game, byte[] file, GambatteSettings settings, GambatteSyncSettings syncSettings, bool deterministic)
{
var ser = new BasicServiceProvider(this);
ser.Register <IDisassemblable>(_disassembler);
ServiceProvider = ser;
const string TRACE_HEADER = "LR35902: PC, opcode, registers (A, F, B, C, D, E, H, L, LY, SP, CY)";
Tracer = new TraceBuffer(TRACE_HEADER);
ser.Register <ITraceable>(Tracer);
InitMemoryCallbacks();
ThrowExceptionForBadRom(file);
BoardName = MapperName(file);
DeterministicEmulation = deterministic;
GambatteState = LibGambatte.gambatte_create();
if (GambatteState == IntPtr.Zero)
{
throw new InvalidOperationException($"{nameof(LibGambatte.gambatte_create)}() returned null???");
}
Console.WriteLine(game.System);
try
{
_syncSettings = syncSettings ?? new GambatteSyncSettings();
LibGambatte.LoadFlags flags = LibGambatte.LoadFlags.READONLY_SAV;
switch (_syncSettings.ConsoleMode)
{
case GambatteSyncSettings.ConsoleModeType.GB:
break;
case GambatteSyncSettings.ConsoleModeType.GBC:
flags |= LibGambatte.LoadFlags.CGB_MODE;
break;
case GambatteSyncSettings.ConsoleModeType.GBA:
flags |= LibGambatte.LoadFlags.CGB_MODE | LibGambatte.LoadFlags.GBA_FLAG;
break;
default:
if (game.System == VSystemID.Raw.GBC)
{
flags |= LibGambatte.LoadFlags.CGB_MODE;
}
break;
}
if (game.System == VSystemID.Raw.SGB)
{
flags &= ~(LibGambatte.LoadFlags.CGB_MODE | LibGambatte.LoadFlags.GBA_FLAG);
flags |= LibGambatte.LoadFlags.SGB_MODE;
IsSgb = true;
}
if (_syncSettings.MulticartCompat)
{
flags |= LibGambatte.LoadFlags.MULTICART_COMPAT;
}
IsCgb = (flags & LibGambatte.LoadFlags.CGB_MODE) == LibGambatte.LoadFlags.CGB_MODE;
if (_syncSettings.EnableBIOS)
{
FirmwareID fwid = new(
IsCgb ? "GBC" : "GB",
IsSgb
? "SGB2"
: _syncSettings.ConsoleMode is GambatteSyncSettings.ConsoleModeType.GBA
? "AGB"
: "World");
var bios = comm.CoreFileProvider.GetFirmwareOrThrow(fwid, "BIOS Not Found, Cannot Load. Change SyncSettings to run without BIOS."); // https://github.com/TASEmulators/BizHawk/issues/2832 tho
if (LibGambatte.gambatte_loadbiosbuf(GambatteState, bios, (uint)bios.Length) != 0)
{
throw new InvalidOperationException($"{nameof(LibGambatte.gambatte_loadbiosbuf)}() returned non-zero (bios error)");
}
}
else
{
if (DeterministicEmulation) // throw a warning if a movie is being recorded with the bios disabled
{
comm.ShowMessage("Detected disabled BIOS during movie recording. It is recommended to use a BIOS for movie recording. Change Sync Settings to run with a BIOS.");
}
flags |= LibGambatte.LoadFlags.NO_BIOS;
}
if (LibGambatte.gambatte_loadbuf(GambatteState, file, (uint)file.Length, flags) != 0)
{
throw new InvalidOperationException($"{nameof(LibGambatte.gambatte_loadbuf)}() returned non-zero (is this not a gb or gbc rom?)");
}
if (IsSgb)
{
ResetStallTicks = 128 * (2 << 14);
}
else if (_syncSettings.EnableBIOS && (_syncSettings.ConsoleMode is GambatteSyncSettings.ConsoleModeType.GBA))
{
ResetStallTicks = 485808; // GBA takes 971616 cycles to switch to CGB mode; CGB CPU is inactive during this time.
}
else
{
ResetStallTicks = 0;
}
// set real default colors (before anyone mucks with them at all)
PutSettings((GambatteSettings)settings ?? new GambatteSettings());
InitSound();
Frame = 0;
LagCount = 0;
IsLagFrame = false;
InputCallback = new LibGambatte.InputGetter(ControllerCallback);
LibGambatte.gambatte_setinputgetter(GambatteState, InputCallback);
InitMemoryDomains();
RomDetails = $"{game.Name}\r\n{SHA1Checksum.ComputePrefixedHex(file)}\r\n{MD5Checksum.ComputePrefixedHex(file)}\r\n";
byte[] buff = new byte[32];
LibGambatte.gambatte_romtitle(GambatteState, buff);
string romname = System.Text.Encoding.ASCII.GetString(buff);
Console.WriteLine("Core reported rom name: {0}", romname);
if (!_syncSettings.EnableBIOS && IsCgb && IsCGBDMGMode()) // without a bios, we need to set the palette for cgbdmg ourselves
{
int[] cgbDmgColors = new int[] { 0xFFFFFF, 0x7BFF31, 0x0063C5, 0x000000, 0xFFFFFF, 0xFF8484, 0x943A3A, 0x000000, 0xFFFFFF, 0xFF8484, 0x943A3A, 0x000000 };
if (file[0x14B] == 0x01 || (file[0x14B] == 0x33 && file[0x144] == '0' && file[0x145] == '1')) // Nintendo licencees get special palettes
{
cgbDmgColors = ColorsFromTitleHash(file);
}
ChangeDMGColors(cgbDmgColors);
}
if (!DeterministicEmulation && _syncSettings.RealTimeRTC)
{
LibGambatte.gambatte_settimemode(GambatteState, false);
}
if (DeterministicEmulation)
{
int[] rtcRegs = new int[11];
rtcRegs[(int)LibGambatte.RtcRegIndices.Dh] = 0;
if (_syncSettings.InternalRTCOverflow)
{
rtcRegs[(int)LibGambatte.RtcRegIndices.Dh] |= 0x80;
}
if (_syncSettings.InternalRTCHalt)
{
rtcRegs[(int)LibGambatte.RtcRegIndices.Dh] |= 0x40;
}
rtcRegs[(int)LibGambatte.RtcRegIndices.Dh] |= _syncSettings.InternalRTCDays >> 8;
rtcRegs[(int)LibGambatte.RtcRegIndices.Dl] = _syncSettings.InternalRTCDays & 0xFF;
rtcRegs[(int)LibGambatte.RtcRegIndices.H] = (_syncSettings.InternalRTCHours < 0) ? (_syncSettings.InternalRTCHours + 0x20) : _syncSettings.InternalRTCHours;
rtcRegs[(int)LibGambatte.RtcRegIndices.M] = (_syncSettings.InternalRTCMinutes < 0) ? (_syncSettings.InternalRTCMinutes + 0x40) : _syncSettings.InternalRTCMinutes;
rtcRegs[(int)LibGambatte.RtcRegIndices.S] = (_syncSettings.InternalRTCSeconds < 0) ? (_syncSettings.InternalRTCSeconds + 0x40) : _syncSettings.InternalRTCSeconds;
rtcRegs[(int)LibGambatte.RtcRegIndices.C] = _syncSettings.InternalRTCCycles;
rtcRegs[(int)LibGambatte.RtcRegIndices.Dh_L] = 0;
if (_syncSettings.LatchedRTCOverflow)
{
rtcRegs[(int)LibGambatte.RtcRegIndices.Dh_L] |= 0x80;
}
if (_syncSettings.LatchedRTCHalt)
{
rtcRegs[(int)LibGambatte.RtcRegIndices.Dh_L] |= 0x40;
}
rtcRegs[(int)LibGambatte.RtcRegIndices.Dh_L] |= _syncSettings.LatchedRTCDays >> 8;
rtcRegs[(int)LibGambatte.RtcRegIndices.Dl_L] = _syncSettings.LatchedRTCDays & 0xFF;
rtcRegs[(int)LibGambatte.RtcRegIndices.H_L] = _syncSettings.LatchedRTCHours;
rtcRegs[(int)LibGambatte.RtcRegIndices.M_L] = _syncSettings.LatchedRTCMinutes;
rtcRegs[(int)LibGambatte.RtcRegIndices.S_L] = _syncSettings.LatchedRTCSeconds;
LibGambatte.gambatte_setrtcregs(GambatteState, rtcRegs);
}
LibGambatte.gambatte_setrtcdivisoroffset(GambatteState, _syncSettings.RTCDivisorOffset);
LibGambatte.gambatte_setcartbuspulluptime(GambatteState, (uint)_syncSettings.CartBusPullUpTime);
_cdCallback = new LibGambatte.CDCallback(CDCallbackProc);
ControllerDefinition = CreateControllerDefinition(IsSgb, _syncSettings.FrameLength is GambatteSyncSettings.FrameLengthType.UserDefinedFrames);
NewSaveCoreSetBuff();
}
catch
{
Dispose();
throw;
}
}
public PCEngine(CoreComm comm, GameInfo game, Disc disc, object Settings, object syncSettings)
{
CoreComm = comm;
MemoryCallbacks = new MemoryCallbackSystem();
DriveLightEnabled = true;
SystemId = "PCECD";
Type = NecSystemType.TurboCD;
this.disc = disc;
this.Settings = (PCESettings)Settings ?? new PCESettings();
_syncSettings = (PCESyncSettings)syncSettings ?? new PCESyncSettings();
GameInfo biosInfo;
byte[] rom = CoreComm.CoreFileProvider.GetFirmwareWithGameInfo("PCECD", "Bios", true, out biosInfo,
"PCE-CD System Card not found. Please check the BIOS settings in Config->Firmwares.");
if (biosInfo.Status == RomStatus.BadDump)
{
CoreComm.ShowMessage(
"The PCE-CD System Card you have selected is known to be a bad dump. This may cause problems playing PCE-CD games.\n\n"
+ "It is recommended that you find a good dump of the system card. Sorry to be the bearer of bad news!");
}
else if (biosInfo.NotInDatabase)
{
CoreComm.ShowMessage(
"The PCE-CD System Card you have selected is not recognized in our database. That might mean it's a bad dump, or isn't the correct rom.");
}
else if (biosInfo["BIOS"] == false)
{
// zeromus says: someone please write a note about how this could possibly happen.
// it seems like this is a relic of using gameDB for storing whether something is a bios? firmwareDB should be handling it now.
CoreComm.ShowMessage(
"The PCE-CD System Card you have selected is not a BIOS image. You may have selected the wrong rom. FYI-Please report this to developers, I don't think this error message should happen.");
}
if (biosInfo["SuperSysCard"])
{
game.AddOption("SuperSysCard");
}
if (game["NeedSuperSysCard"] && game["SuperSysCard"] == false)
{
CoreComm.ShowMessage(
"This game requires a version 3.0 System card and won't run with the system card you've selected. Try selecting a 3.0 System Card in the firmware configuration.");
throw new Exception();
}
game.FirmwareHash = rom.HashSHA1();
Init(game, rom);
// the default RomStatusDetails don't do anything with Disc
CoreComm.RomStatusDetails = string.Format("{0}\r\nDisk partial hash:{1}", game.Name, new DiscSystem.DiscHasher(disc).OldHash());
_controllerDeck = new PceControllerDeck(
_syncSettings.Port1,
_syncSettings.Port2,
_syncSettings.Port3,
_syncSettings.Port4,
_syncSettings.Port5);
}
private string snes_path_request(int slot, string hint, bool required)
{
// TODO: this msu1 handling code is outdated and needs to be remade from someone with knowledge.
// every rom requests msu1.rom... why? who knows.
// also handle msu-1 pcm files here
bool isMsu1Rom = hint == "msu1/data.rom";
bool isMsu1Pcm = Path.GetExtension(hint).ToLower() == ".pcm";
if (isMsu1Rom || isMsu1Pcm)
{
// well, check if we have an msu-1 xml
if (_romxml?["cartridge"]?["msu1"] != null)
{
var msu1 = _romxml["cartridge"]["msu1"];
if (isMsu1Rom && msu1["rom"]?.Attributes["name"] != null)
{
return(PathSubfile(msu1["rom"].Attributes["name"].Value));
}
if (isMsu1Pcm)
{
// return @"D:\roms\snes\SuperRoadBlaster\SuperRoadBlaster-1.pcm";
// return "";
int wantsTrackNumber = int.Parse(hint.Replace("track-", "").Replace(".pcm", ""));
wantsTrackNumber++;
string wantsTrackString = wantsTrackNumber.ToString();
foreach (var child in msu1.ChildNodes.Cast <XmlNode>())
{
if (child.Name == "track" && child.Attributes["number"].Value == wantsTrackString)
{
return(PathSubfile(child.Attributes["name"].Value));
}
}
}
}
// not found.. what to do? (every rom will get here when msu1.rom is requested)
return("");
}
// not MSU-1. ok.
if (hint == "save.ram")
{
// core asked for saveram, but the interface isn't designed to be able to handle this.
// so, we'll just return nothing and the frontend will set the saveram itself later
return(null);
}
string firmwareId;
switch (hint)
{
case "cx4": firmwareId = "CX4"; break;
case "dsp1": firmwareId = "DSP1"; break;
case "dsp1b": firmwareId = "DSP1b"; break;
case "dsp2": firmwareId = "DSP2"; break;
case "dsp3": firmwareId = "DSP3"; break;
case "dsp4": firmwareId = "DSP4"; break;
case "st010": firmwareId = "ST010"; break;
case "st011": firmwareId = "ST011"; break;
case "st018": firmwareId = "ST018"; break;
default:
CoreComm.ShowMessage($"Unrecognized SNES firmware request \"{hint}\".");
return("");
}
string ret = "";
var data = CoreComm.CoreFileProvider.GetFirmware("SNES", firmwareId, required, "Game may function incorrectly without the requested firmware.");
if (data != null)
{
ret = hint;
Api.AddReadonlyFile(data, hint);
}
Console.WriteLine("Served bsnescore request for firmware \"{0}\"", hint);
// return the path we built
return(ret);
}
private string snes_path_request(int slot, string hint, bool required)
{
switch (hint)
{
case "manifest.bml":
Api.AddReadonlyFile($"{_romPath}.bml", hint);
return(hint);
case "msu1/data.rom":
Api.AddReadonlyFile($"{_romPath}.msu", hint);
return(hint);
case "save.ram":
// core asked for saveram, but the interface isn't designed to be able to handle this.
// so, we'll just return nothing and the frontend will set the saveram itself later
return(null);
}
string firmwareId;
string firmwareSystem = "SNES";
switch (hint)
{
case "cx4": firmwareId = "CX4"; break;
case "dsp1": firmwareId = "DSP1"; break;
case "dsp1b": firmwareId = "DSP1b"; break;
case "dsp2": firmwareId = "DSP2"; break;
case "dsp3": firmwareId = "DSP3"; break;
case "dsp4": firmwareId = "DSP4"; break;
case "st010": firmwareId = "ST010"; break;
case "st011": firmwareId = "ST011"; break;
case "st018": firmwareId = "ST018"; break;
case "sgb": firmwareId = "SGB"; firmwareSystem = "GB"; break;
case "sgb2": firmwareId = "SGB2"; firmwareSystem = "GB"; break;
default:
CoreComm.ShowMessage($"Unrecognized SNES firmware request \"{hint}\".");
return("");
}
string ret = "";
FirmwareID fwid = new(firmwareSystem, firmwareId);
const string MISSING_FIRMWARE_MSG = "Game may function incorrectly without the requested firmware.";
byte[] data = required
? CoreComm.CoreFileProvider.GetFirmwareOrThrow(fwid, MISSING_FIRMWARE_MSG)
: CoreComm.CoreFileProvider.GetFirmware(fwid, MISSING_FIRMWARE_MSG);
if (data != null)
{
ret = hint;
Api.AddReadonlyFile(data, hint);
}
Console.WriteLine("Served bsnescore request for firmware \"{0}\"", hint);
// return the path we built
return(ret);
}
public Gameboy(CoreComm comm, GameInfo game, byte[] file, GambatteSettings settings, GambatteSyncSettings syncSettings, bool deterministic)
{
var ser = new BasicServiceProvider(this);
ser.Register <IDisassemblable>(_disassembler);
ServiceProvider = ser;
const string TRACE_HEADER = "LR35902: PC, opcode, registers (A, F, B, C, D, E, H, L, LY, SP, CY)";
Tracer = new TraceBuffer(TRACE_HEADER);
ser.Register <ITraceable>(Tracer);
InitMemoryCallbacks();
DeterministicEmulation = deterministic;
GambatteState = LibGambatte.gambatte_create();
if (GambatteState == IntPtr.Zero)
{
throw new InvalidOperationException($"{nameof(LibGambatte.gambatte_create)}() returned null???");
}
Console.WriteLine(game.System);
try
{
_syncSettings = syncSettings ?? new GambatteSyncSettings();
LibGambatte.LoadFlags flags = LibGambatte.LoadFlags.READONLY_SAV;
switch (_syncSettings.ConsoleMode)
{
case GambatteSyncSettings.ConsoleModeType.GB:
break;
case GambatteSyncSettings.ConsoleModeType.GBC:
flags |= LibGambatte.LoadFlags.CGB_MODE;
break;
case GambatteSyncSettings.ConsoleModeType.GBA:
flags |= LibGambatte.LoadFlags.CGB_MODE | LibGambatte.LoadFlags.GBA_FLAG;
break;
default:
if (game.System == VSystemID.Raw.GBC)
{
flags |= LibGambatte.LoadFlags.CGB_MODE;
}
break;
}
if (game.System == VSystemID.Raw.SGB)
{
flags &= ~(LibGambatte.LoadFlags.CGB_MODE | LibGambatte.LoadFlags.GBA_FLAG);
flags |= LibGambatte.LoadFlags.SGB_MODE;
IsSgb = true;
}
IsCgb = (flags & LibGambatte.LoadFlags.CGB_MODE) == LibGambatte.LoadFlags.CGB_MODE;
if (_syncSettings.EnableBIOS)
{
FirmwareID fwid = new(
IsCgb ? "GBC" : "GB",
IsSgb
? "SGB2"
: _syncSettings.ConsoleMode is GambatteSyncSettings.ConsoleModeType.GBA
? "AGB"
: "World");
var bios = comm.CoreFileProvider.GetFirmwareOrThrow(fwid, "BIOS Not Found, Cannot Load. Change SyncSettings to run without BIOS."); // https://github.com/TASEmulators/BizHawk/issues/2832 tho
if (LibGambatte.gambatte_loadbiosbuf(GambatteState, bios, (uint)bios.Length) != 0)
{
throw new InvalidOperationException($"{nameof(LibGambatte.gambatte_loadbiosbuf)}() returned non-zero (bios error)");
}
}
else
{
if (DeterministicEmulation) // throw a warning if a movie is being recorded with the bios disabled
{
comm.ShowMessage("Detected disabled BIOS during movie recording. It is recommended to use a BIOS for movie recording. Change Sync Settings to run with a BIOS.");
}
flags |= LibGambatte.LoadFlags.NO_BIOS;
}
if (LibGambatte.gambatte_loadbuf(GambatteState, file, (uint)file.Length, flags) != 0)
{
throw new InvalidOperationException($"{nameof(LibGambatte.gambatte_loadbuf)}() returned non-zero (is this not a gb or gbc rom?)");
}
if (IsSgb)
{
ResetStallTicks = 128 * (2 << 14);
}
else if (_syncSettings.EnableBIOS && (_syncSettings.ConsoleMode is GambatteSyncSettings.ConsoleModeType.GBA))
{
ResetStallTicks = 485808; // GBA takes 971616 cycles to switch to CGB mode; CGB CPU is inactive during this time.
}
else
{
ResetStallTicks = 0;
}
// set real default colors (before anyone mucks with them at all)
PutSettings(settings ?? new GambatteSettings());
InitSound();
Frame = 0;
LagCount = 0;
IsLagFrame = false;
InputCallback = new LibGambatte.InputGetter(ControllerCallback);
LibGambatte.gambatte_setinputgetter(GambatteState, InputCallback, IntPtr.Zero);
InitMemoryDomains();
byte[] mbcBuf = new byte[32];
uint rambanks = 0;
uint rombanks = 0;
uint crc = 0;
uint headerchecksumok = 0;
LibGambatte.gambatte_pakinfo(GambatteState, mbcBuf, ref rambanks, ref rombanks, ref crc, ref headerchecksumok);
byte[] romNameBuf = new byte[32];
LibGambatte.gambatte_romtitle(GambatteState, romNameBuf);
string romname = Encoding.ASCII.GetString(romNameBuf);
RomDetails = $"{game.Name}\r\n{SHA1Checksum.ComputePrefixedHex(file)}\r\n{MD5Checksum.ComputePrefixedHex(file)}\r\n\r\n";
BoardName = Encoding.ASCII.GetString(mbcBuf);
RomDetails += $"Core reported Header Name: {romname}\r\n";
RomDetails += $"Core reported RAM Banks: {rambanks}\r\n";
RomDetails += $"Core reported ROM Banks: {rombanks}\r\n";
RomDetails += $"Core reported CRC32: {crc:X8}\r\n";
RomDetails += $"Core reported Header Checksum Status: {(headerchecksumok != 0 ? "OK" : "BAD")}\r\n";
if (_syncSettings.EnableBIOS && headerchecksumok == 0)
{
comm.ShowMessage("Core reports the header checksum is bad. This ROM will not boot with the official BIOS.\n" +
"Disable BIOS in sync settings to boot this game");
}
if (!_syncSettings.EnableBIOS && IsCgb && IsCGBDMGMode()) // without a bios, we need to set the palette for cgbdmg ourselves
{
int[] cgbDmgColors = new int[] { 0xFFFFFF, 0x7BFF31, 0x0063C5, 0x000000, 0xFFFFFF, 0xFF8484, 0x943A3A, 0x000000, 0xFFFFFF, 0xFF8484, 0x943A3A, 0x000000 };
if (file[0x14B] == 0x01 || (file[0x14B] == 0x33 && file[0x144] == '0' && file[0x145] == '1')) // Nintendo licencees get special palettes
{
cgbDmgColors = ColorsFromTitleHash(file);
}
ChangeDMGColors(cgbDmgColors);
}
if (!DeterministicEmulation && _syncSettings.RealTimeRTC)
{
LibGambatte.gambatte_settimemode(GambatteState, false);
}
if (DeterministicEmulation)
{
ulong dividers = _syncSettings.InitialTime * (0x400000UL + (ulong)_syncSettings.RTCDivisorOffset) / 2UL;
LibGambatte.gambatte_settime(GambatteState, dividers);
}
LibGambatte.gambatte_setrtcdivisoroffset(GambatteState, _syncSettings.RTCDivisorOffset);
LibGambatte.gambatte_setcartbuspulluptime(GambatteState, (uint)_syncSettings.CartBusPullUpTime);
_cdCallback = new LibGambatte.CDCallback(CDCallbackProc);
ControllerDefinition = CreateControllerDefinition(sgb: IsSgb, sub: _syncSettings.FrameLength is GambatteSyncSettings.FrameLengthType.UserDefinedFrames, tilt: false);
NewSaveCoreSetBuff();
}
catch
{
Dispose();
throw;
}
}