public bool PutSyncSettings(GambatteSyncSettings o)
{
bool ret = GambatteSyncSettings.NeedsReboot(_syncSettings, o);
_syncSettings = o;
return(ret);
}
public PutSettingsDirtyBits PutSyncSettings(GambatteSyncSettings o)
{
bool ret = GambatteSyncSettings.NeedsReboot(_syncSettings, o);
_syncSettings = o;
return(ret ? PutSettingsDirtyBits.RebootCore : PutSettingsDirtyBits.None);
}
public bool PutSyncSettings(object o)
{
var s = (GambatteSyncSettings)o;
bool ret = GambatteSyncSettings.NeedsReboot(_SyncSettings, s);
_SyncSettings = s;
return(ret);
}
public static bool NeedsReboot(GambatteSyncSettings x, GambatteSyncSettings y)
{
return(!DeepEquality.DeepEquals(x, y));
}
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 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;
}
}
public static bool NeedsReboot(GambatteSyncSettings x, GambatteSyncSettings y)
{
return !DeepEquality.DeepEquals(x, y);
}
public bool PutSyncSettings(object o)
{
var s = (GambatteSyncSettings)o;
bool ret = GambatteSyncSettings.NeedsReboot(_SyncSettings, s);
_SyncSettings = s;
return ret;
}