public int Parse(byte[] rom)
{
// Combine every two bytes into a word.
int index = 0;
while (index + 1 < rom.Length)
{
Data[(index / 2)] = (ushort)((rom[index++] << 8) | rom[index++]);
}
// look up hash in gamedb to see what mapper to use
string s_mapper = null;
var gi = Database.CheckDatabase(SHA1Checksum.ComputePrefixedHex(rom));
if (gi != null && !gi.GetOptions().TryGetValue("board", out s_mapper))
{
throw new Exception("INTV gamedb entries must have a board identifier!");
}
if (gi == null && (rom.Length % 1024) != 0)
{
throw new Exception("Game is of unusual size but no header entry present and hash not in game db.");
}
_mapper = 0;
int.TryParse(s_mapper, out _mapper);
return(rom.Length);
}
private void ComputeBootGod()
{
// inefficient, sloppy, etc etc
var chrrom = _memoryDomains["CHR VROM"];
var prgrom = _memoryDomains["PRG ROM"] !;
var ms = new MemoryStream();
for (int i = 0; i < prgrom.Size; i++)
{
ms.WriteByte(prgrom.PeekByte(i));
}
if (chrrom != null)
{
for (int i = 0; i < chrrom.Size; i++)
{
ms.WriteByte(chrrom.PeekByte(i));
}
}
var sha1 = SHA1Checksum.ComputeDigestHex(ms.ToArray());
Console.WriteLine("Hash for BootGod: {0}", sha1);
// Bail out on ROM's known to not be playable by this core
if (HashBlackList.Contains(sha1))
{
throw new UnsupportedGameException("Game known to not be playable in this core");
}
sha1 = "sha1:" + sha1; // huh?
var carts = BootGodDb.Identify(sha1);
if (carts.Count > 0)
{
Console.WriteLine("BootGod entry found: {0}", carts[0].Name);
switch (carts[0].System)
{
case "NES-PAL":
case "NES-PAL-A":
case "NES-PAL-B":
case "Dendy":
Console.WriteLine("Bad region {0}! Failing over...", carts[0].System);
throw new UnsupportedGameException("Unsupported region!");
}
BootGodStatus = RomStatus.GoodDump;
BootGodName = carts[0].Name;
}
else
{
Console.WriteLine("No BootGod entry found.");
BootGodStatus = null;
BootGodName = null;
}
}
public C64(CoreLoadParameters <C64Settings, C64SyncSettings> lp)
{
PutSyncSettings((C64SyncSettings)lp.SyncSettings ?? new C64SyncSettings());
PutSettings((C64Settings)lp.Settings ?? new C64Settings());
var ser = new BasicServiceProvider(this);
ServiceProvider = ser;
CoreComm = lp.Comm;
_roms = lp.Roms.Select(r => r.RomData).ToList();
_currentDisk = 0;
RomSanityCheck();
Init(SyncSettings.VicType, Settings.BorderType, SyncSettings.SidType, SyncSettings.TapeDriveType, SyncSettings.DiskDriveType);
_cyclesPerFrame = _board.Vic.CyclesPerFrame;
_memoryCallbacks = new MemoryCallbackSystem(new[] { "System Bus" });
InitMedia(_roms[_currentDisk]);
HardReset();
switch (SyncSettings.VicType)
{
case VicType.Ntsc:
case VicType.Drean:
case VicType.NtscOld:
Region = DisplayType.NTSC;
break;
case VicType.Pal:
Region = DisplayType.PAL;
break;
}
if (_board.Sid != null)
{
_soundProvider = new DCFilter(_board.Sid, 512);
ser.Register <ISoundProvider>(_soundProvider);
}
ser.Register <IVideoProvider>(_board.Vic);
ser.Register <IDriveLight>(this);
_tracer = new TraceBuffer(_board.Cpu.TraceHeader);
ser.Register <ITraceable>(_tracer);
ser.Register <IStatable>(new StateSerializer(SyncState));
if (_board.CartPort.IsConnected)
{
var first = _roms[0]; // There are no multi-cart cart games, so just hardcode first
RomDetails = $"{lp.Game.Name}\r\n{SHA1Checksum.ComputePrefixedHex(first)}\r\n{MD5Checksum.ComputePrefixedHex(first)}\r\nMapper Impl \"{_board.CartPort.CartridgeType}\"";
}
SetupMemoryDomains();
}
// ICreateGameDBEntries
public CompactGameInfo GenerateGameDbEntry()
{
return(new CompactGameInfo
{
Name = _game.Name,
System = VSystemID.Raw.A26,
MetaData = "m=" + _mapper.GetType().ToString().Split('.').Last(),
Hash = SHA1Checksum.ComputeDigestHex(Rom),
Region = _game.Region,
Status = RomStatus.Unknown
});
}
private FileInfo GetConfigFile(Type plugin)
{
string fileName = String.Format("{0}-{1}.xml",
plugin.Name,
SHA1Checksum.Generate(plugin.GetType().FullName));
string path = Path.Combine(
this.storageDirectory.FullName,
fileName);
FileInfo fi = new FileInfo(path);
return(fi);
}
private void RebootCore()
{
// Regenerate mapper here to make sure its state is entirely clean
_mapper = CreateMapper(this, _game.GetOptions()["m"], Rom.Length);
_lagCount = 0;
Cpu = new MOS6502X <CpuLink>(new CpuLink(this));
if (_game["PAL"])
{
_pal = true;
}
else if (_game["NTSC"])
{
_pal = false;
}
else
{
_pal = DetectPal(_game, Rom);
}
// dcfilter coefficent is from real observed hardware behavior: a latched "1" will fully decay by ~170 or so tia sound cycles
_tia = new TIA(this, _pal, Settings.SECAMColors);
_dcfilter = new DCFilter(_tia, 256);
_m6532 = new M6532(this);
HardReset();
RomDetails = $"{_game.Name}\r\n{SHA1Checksum.ComputePrefixedHex(Rom)}\r\n{MD5Checksum.ComputePrefixedHex(Rom)}\r\nMapper Impl \"{_mapper.GetType()}\"";
// Some games (ex. 3D tic tac toe), turn off the screen for extended periods, so we need to allow for this here.
if (_game.GetOptions().TryGetValue("SP_FRAME", out var spFrameStr) && spFrameStr == "true")
{
SP_FRAME = true;
}
// Some games wait for reset to be unpressed before turning the screen back on, hack unset it if needed
if (_game.GetOptions().TryGetValue("SP_RESET", out var spResetStr) && spResetStr == "true")
{
SP_RESET = true;
}
// Ditto select (ex. Karate)
if (_game.GetOptions().TryGetValue("SP_SELECT", out var spSelectStr) && spSelectStr == "true")
{
SP_SELECT = true;
}
}
public Atari2600(GameInfo game, byte[] rom, Atari2600.A2600Settings settings, Atari2600.A2600SyncSettings syncSettings)
{
var ser = new BasicServiceProvider(this);
ServiceProvider = ser;
_ram = new byte[128];
Settings = (A2600Settings)settings ?? new A2600Settings();
SyncSettings = (A2600SyncSettings)syncSettings ?? new A2600SyncSettings();
_controllerDeck = new Atari2600ControllerDeck(SyncSettings.Port1, SyncSettings.Port2);
_leftDifficultySwitchPressed = SyncSettings.LeftDifficulty;
_rightDifficultySwitchPressed = SyncSettings.RightDifficulty;
Rom = rom;
_game = game;
if (!game.GetOptions().ContainsKey("m"))
{
game.AddOption("m", DetectMapper(rom));
}
var romHashSHA1 = SHA1Checksum.ComputePrefixedHex(Rom);
if (romHashSHA1 is RomChecksums.CongoBongo or RomChecksums.Tapper or RomChecksums.KangarooNotInGameDB)
{
game.RemoveOption("m");
game.AddOption("m", "F8_sega");
}
Console.WriteLine("Game uses mapper " + game.GetOptions()["m"]);
Console.WriteLine(romHashSHA1);
RebootCore();
SetupMemoryDomains();
Tracer = new TraceBuffer(Cpu.TraceHeader);
ser.Register <IDisassemblable>(Cpu);
ser.Register <ITraceable>(Tracer);
ser.Register <IVideoProvider>(_tia);
ser.Register <ISoundProvider>(_dcfilter);
ser.Register <IStatable>(new StateSerializer(SyncState));
}
// Fix some incorrect ines header entries that QuickNES uses to load games.
// we need to do this from the raw file since QuickNES hasn't had time to process it yet.
private byte[] FixInesHeader(byte[] file)
{
var sha1 = SHA1Checksum.ComputeDigestHex(file);
bool didSomething = false;
Console.WriteLine(sha1);
if (sha1 == "93010514AA1300499ABC8F145D6ABCDBF3084090") // Ms. Pac Man (Tengen) [!]
{
file[6] &= 0xFE;
didSomething = true;
}
if (didSomething)
{
Console.WriteLine("iNES header error detected, adjusting settings...");
Console.WriteLine(sha1);
}
return(file);
}
public bool GetObject(StreamDataParserTask task, out object value)
{
if (task.StreamType == typeof(MD5Checksum))
{
// 128 bits
value = new MD5Checksum(task.Stream.ReadBytes(16));
return true;
}
if (task.StreamType == typeof(SHA1Checksum))
{
// 160 bits
value = new SHA1Checksum(task.Stream.ReadBytes(20));
return true;
}
if (task.StreamType == typeof(SHA256Checksum))
{
// 256 bits
value = new SHA256Checksum(task.Stream.ReadBytes(32));
return true;
}
if (task.StreamType == typeof(SHA384Checksum))
{
// 384 bits
value = new SHA256Checksum(task.Stream.ReadBytes(48));
return true;
}
if (task.StreamType == typeof(SHA512Checksum))
{
// 512 bits
value = new SHA512Checksum(task.Stream.ReadBytes(64));
return true;
}
value = null;
return false;
}
/// <exception cref="Exception"><paramref name="file"/> does not exist</exception>
public RomGame(HawkFile file, string patch)
{
if (!file.Exists)
{
throw new Exception("The file needs to exist, yo.");
}
Extension = file.Extension.ToUpperInvariant();
var stream = file.GetStream();
int fileLength = (int)stream.Length;
// read the entire contents of the file into memory.
// unfortunate in the case of large files, but that's what we've got to work with for now.
// if we're offset exactly 512 bytes from a 1024-byte boundary,
// assume we have a header of that size. Otherwise, assume it's just all rom.
// Other 'recognized' header sizes may need to be added.
int headerOffset = fileLength % BankSize;
if (headerOffset.In(0, 128, 512) == false)
{
Console.WriteLine("ROM was not a multiple of 1024 bytes, and not a recognized header size: {0}. Assume it's purely ROM data.", headerOffset);
headerOffset = 0;
}
else if (headerOffset > 0)
{
Console.WriteLine("Assuming header of {0} bytes.", headerOffset);
}
// read the entire file into FileData.
FileData = new byte[fileLength];
stream.Position = 0;
stream.Read(FileData, 0, fileLength);
string SHA1_check = SHA1Checksum.ComputePrefixedHex(FileData);
// if there was no header offset, RomData is equivalent to FileData
// (except in cases where the original interleaved file data is necessary.. in that case we'll have problems..
// but this whole architecture is not going to withstand every peculiarity and be fast as well.
if (headerOffset == 0)
{
RomData = FileData;
}
else if (file.Extension == ".dsk" || file.Extension == ".tap" || file.Extension == ".tzx" ||
file.Extension == ".pzx" || file.Extension == ".csw" || file.Extension == ".wav" || file.Extension == ".cdt")
{
// these are not roms. unfortunately if treated as such there are certain edge-cases
// where a header offset is detected. This should mitigate this issue until a cleaner solution is found
// (-Asnivor)
RomData = FileData;
}
else if (SHA1_check == Flappy_Bird_INTV || SHA1_check == Minehunter_INTV)
{
// several INTV games have sizes that are multiples of 512 bytes
Console.WriteLine("False positive detected in Header Check, using entire file.");
RomData = FileData;
}
else
{
// if there was a header offset, read the whole file into FileData and then copy it into RomData (this is unfortunate, in case RomData isn't needed)
int romLength = fileLength - headerOffset;
RomData = new byte[romLength];
Buffer.BlockCopy(FileData, headerOffset, RomData, 0, romLength);
}
if (file.Extension == ".smd")
{
RomData = DeInterleaveSMD(RomData);
}
if (file.Extension == ".z64" || file.Extension == ".n64" || file.Extension == ".v64")
{
// Use a simple magic number to detect N64 rom format, then byteswap the ROM to ensure a consistent endianness/order
RomData = RomData[0] switch
{
0x37 => EndiannessUtils.ByteSwap16(RomData), // V64 format (byte swapped)
0x40 => EndiannessUtils.ByteSwap32(RomData), // N64 format (word swapped)
_ => RomData // Z64 format (no swap), or something unexpected; in either case do nothing
};
}
// note: this will be taking several hashes, of a potentially large amount of data.. yikes!
GameInfo = Database.GetGameInfo(RomData, file.Name);
if (GameInfo.NotInDatabase && headerOffset == 128 && file.Extension == ".a78")
{
// if the game is not in the DB, add the header back in so the core can use it
// for now only .A78 games, but probably should be for other systems as well
RomData = FileData;
}
CheckForPatchOptions();
if (patch != null)
{
using var patchFile = new HawkFile(patch);
patchFile.BindFirstOf(".ips");
if (patchFile.IsBound)
{
RomData = IPS.Patch(RomData, patchFile.GetStream());
}
}
}
public LibsnesCore(GameInfo game, byte[] romData, byte[] xmlData, string baseRomPath, CoreComm comm,
LibsnesCore.SnesSettings settings, LibsnesCore.SnesSyncSettings syncSettings)
{
_baseRomPath = baseRomPath;
var ser = new BasicServiceProvider(this);
ServiceProvider = ser;
const string TRACE_HEADER = "65816: PC, mnemonic, operands, registers (A, X, Y, S, D, DB, flags (NVMXDIZC), V, H)";
_tracer = new TraceBuffer(TRACE_HEADER);
ser.Register <IDisassemblable>(new W65816_DisassemblerService());
_game = game;
CoreComm = comm;
byte[] sgbRomData = null;
if (game.System == VSystemID.Raw.SGB)
{
if ((romData[0x143] & 0xc0) == 0xc0)
{
throw new CGBNotSupportedException();
}
sgbRomData = CoreComm.CoreFileProvider.GetFirmwareOrThrow(new("SNES", "Rom_SGB"), "SGB Rom is required for SGB emulation.");
game.FirmwareHash = SHA1Checksum.ComputeDigestHex(sgbRomData);
}
_settings = (SnesSettings)settings ?? new SnesSettings();
_syncSettings = (SnesSyncSettings)syncSettings ?? new SnesSyncSettings();
_videocb = snes_video_refresh;
_inputpollcb = snes_input_poll;
_inputstatecb = snes_input_state;
_inputnotifycb = snes_input_notify;
_scanlineStartCb = snes_scanlineStart;
_tracecb = snes_trace;
_soundcb = snes_audio_sample;
_pathrequestcb = snes_path_request;
// TODO: pass profile here
Api = new LibsnesApi(CoreComm.CoreFileProvider.DllPath(), CoreComm, new Delegate[]
{
_videocb,
_inputpollcb,
_inputstatecb,
_inputnotifycb,
_scanlineStartCb,
_tracecb,
_soundcb,
_pathrequestcb
})
{
ReadHook = ReadHook,
ExecHook = ExecHook,
WriteHook = WriteHook,
ReadHook_SMP = ReadHook_SMP,
ExecHook_SMP = ExecHook_SMP,
WriteHook_SMP = WriteHook_SMP,
};
ScanlineHookManager = new MyScanlineHookManager(this);
_controllerDeck = new LibsnesControllerDeck(_syncSettings);
_controllerDeck.NativeInit(Api);
Api.CMD_init(_syncSettings.RandomizedInitialState);
Api.QUERY_set_path_request(_pathrequestcb);
// start up audio resampler
InitAudio();
ser.Register <ISoundProvider>(_resampler);
// strip header
if ((romData?.Length & 0x7FFF) == 512)
{
var newData = new byte[romData.Length - 512];
Array.Copy(romData, 512, newData, 0, newData.Length);
romData = newData;
}
if (game.System == VSystemID.Raw.SGB)
{
IsSGB = true;
SystemId = VSystemID.Raw.SNES;
ser.Register <IBoardInfo>(new SGBBoardInfo());
_currLoadParams = new LoadParams
{
type = LoadParamType.SuperGameBoy,
rom_xml = null,
rom_data = sgbRomData,
rom_size = (uint)sgbRomData.Length,
dmg_data = romData,
};
if (!LoadCurrent())
{
throw new Exception("snes_load_cartridge_normal() failed");
}
}
else
{
// we may need to get some information out of the cart, even during the following bootup/load process
if (xmlData != null)
{
_romxml = new XmlDocument();
_romxml.Load(new MemoryStream(xmlData));
// bsnes wont inspect the xml to load the necessary sfc file.
// so, we have to do that here and pass it in as the romData :/
if (_romxml["cartridge"]?["rom"] != null)
{
romData = File.ReadAllBytes(PathSubfile(_romxml["cartridge"]["rom"].Attributes["name"].Value));
}
else
{
throw new Exception("Could not find rom file specification in xml file. Please check the integrity of your xml file");
}
}
SystemId = VSystemID.Raw.SNES;
_currLoadParams = new LoadParams
{
type = LoadParamType.Normal,
xml_data = xmlData,
rom_data = romData
};
if (!LoadCurrent())
{
throw new Exception("snes_load_cartridge_normal() failed");
}
}
if (_region == LibsnesApi.SNES_REGION.NTSC)
{
// similar to what aviout reports from snes9x and seems logical from bsnes first principles. bsnes uses that numerator (ntsc master clockrate) for sure.
VsyncNumerator = 21477272;
VsyncDenominator = 4 * 341 * 262;
}
else
{
// http://forums.nesdev.com/viewtopic.php?t=5367&start=19
VsyncNumerator = 21281370;
VsyncDenominator = 4 * 341 * 312;
}
Api.CMD_power();
SetupMemoryDomains(romData, sgbRomData);
if (CurrentProfile == "Compatibility")
{
ser.Register <ITraceable>(_tracer);
}
Api.QUERY_set_path_request(null);
Api.QUERY_set_video_refresh(_videocb);
Api.QUERY_set_input_poll(_inputpollcb);
Api.QUERY_set_input_state(_inputstatecb);
Api.QUERY_set_input_notify(_inputnotifycb);
Api.QUERY_set_audio_sample(_soundcb);
Api.Seal();
RefreshPalette();
}
public Unif(Stream s)
{
var br = new BinaryReader(s, Encoding.ASCII);
if (!Encoding.ASCII.GetBytes("UNIF")
.SequenceEqual(br.ReadBytes(4)))
{
throw new Exception("Missing \"UNIF\" header mark!");
}
int ver = br.ReadInt32();
Console.WriteLine("Processing Version {0} UNIF...", ver);
br.ReadBytes(32 - 4 - 4);
while (br.PeekChar() > 0)
{
string chunkId = Encoding.ASCII.GetString(br.ReadBytes(4));
int length = br.ReadInt32();
byte[] chunkData = br.ReadBytes(length);
Chunks.Add(chunkId, chunkData);
}
var prgs = new MemoryStream();
var chrs = new MemoryStream();
for (int i = 0; i < 16; i++)
{
TryAdd(prgs, $"PRG{i:X1}");
TryAdd(chrs, $"CHR{i:X1}");
}
prgs.Close();
chrs.Close();
Prg = prgs.ToArray();
Chr = chrs.ToArray();
Cart.PrgSize = (short)(Prg.Length / 1024);
Cart.ChrSize = (short)(Chr.Length / 1024);
if (Chunks.TryGetValue("MIRR", out var tmp))
{
switch (tmp[0])
{
case 0: // h mirror
Cart.PadH = 0;
Cart.PadV = 1;
break;
case 1: // v mirror
Cart.PadH = 1;
Cart.PadV = 0;
break;
}
}
if (Chunks.TryGetValue("MAPR", out tmp))
{
Cart.BoardType = new BinaryReader(new MemoryStream(tmp)).ReadStringUtf8NullTerminated();
}
Cart.BoardType = Cart.BoardType.TrimEnd('\0');
Cart.BoardType = "UNIF_" + Cart.BoardType;
if (Chunks.TryGetValue("BATR", out _))
{
// apparently, this chunk just existing means battery is yes
Cart.WramBattery = true;
}
Cart.Sha1 = SHA1Checksum.ComputeConcat(Prg, Chr).BytesToHexString();
// other code will expect this
if (Chr.Length == 0)
{
Chr = null;
}
}
public Gameboy(CoreComm comm, GameInfo game, byte[] file, GambatteSettings settings, GambatteSyncSettings syncSettings, bool deterministic)
{
var ser = new BasicServiceProvider(this);
ser.Register <IDisassemblable>(_disassembler);
ServiceProvider = ser;
const string TRACE_HEADER = "LR35902: PC, opcode, registers (A, F, B, C, D, E, H, L, LY, SP, CY)";
Tracer = new TraceBuffer(TRACE_HEADER);
ser.Register <ITraceable>(Tracer);
InitMemoryCallbacks();
DeterministicEmulation = deterministic;
GambatteState = LibGambatte.gambatte_create();
if (GambatteState == IntPtr.Zero)
{
throw new InvalidOperationException($"{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 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 O2Hawk(CoreComm comm, GameInfo game, byte[] rom, O2Settings settings, O2SyncSettings syncSettings)
{
var ser = new BasicServiceProvider(this);
cpu = new I8048
{
ReadMemory = ReadMemory,
WriteMemory = WriteMemory,
PeekMemory = PeekMemory,
DummyReadMemory = ReadMemory,
ReadPort = ReadPort,
WritePort = WritePort,
OnExecFetch = ExecFetch,
};
_settings = settings ?? new O2Settings();
_syncSettings = syncSettings ?? new O2SyncSettings();
is_G7400 = _syncSettings.G7400_Enable;
_controllerDeck = new O2HawkControllerDeck("O2 Controller", "O2 Controller", is_G7400);
_bios = comm.CoreFileProvider.GetFirmwareOrThrow(new("O2", is_G7400 ? "BIOS-G7400" : "BIOS-O2"), "BIOS Not Found, Cannot Load");
Buffer.BlockCopy(rom, 0x100, header, 0, 0x50);
Console.WriteLine(MD5Checksum.ComputePrefixedHex(rom));
Console.WriteLine(SHA1Checksum.ComputePrefixedHex(rom));
_rom = rom;
if (game["XROM"])
{
is_XROM = true;
}
Setup_Mapper();
_frameHz = 60;
ser.Register <IVideoProvider>(this);
ServiceProvider = ser;
_tracer = new TraceBuffer(cpu.TraceHeader);
ser.Register(_tracer);
ser.Register <IStatable>(new StateSerializer(SyncState));
SetupMemoryDomains();
cpu.SetCallbacks(ReadMemory, PeekMemory, PeekMemory, WriteMemory);
// set up differences between PAL and NTSC systems
if ((game.Region == "US" || game.Region == "EU-US" || game.Region == null) && !is_G7400)
{
is_pal = false;
pic_height = 240;
_frameHz = 60;
ppu = new NTSC_PPU();
}
else
{
is_pal = true;
pic_height = 240;
_frameHz = 50;
ppu = new PAL_PPU();
}
ppu.Core = this;
ppu.set_region(is_pal, is_G7400);
ser.Register <ISoundProvider>(ppu);
_vidbuffer = new int[372 * pic_height];
frame_buffer = new int[320 * pic_height];
HardReset();
}
public BsnesCore(GameInfo game, byte[] romData, byte[] xmlData, string baseRomPath, CoreComm comm,
SnesSettings settings, SnesSyncSettings syncSettings)
{
_baseRomPath = baseRomPath;
var ser = new BasicServiceProvider(this);
ServiceProvider = ser;
CoreComm = comm;
byte[] sgbRomData = null;
_settings = settings ?? new SnesSettings();
_syncSettings = syncSettings ?? new SnesSyncSettings();
if (game.System == VSystemID.Raw.SGB)
{
if ((romData[0x143] & 0xc0) == 0xc0)
{
throw new CGBNotSupportedException();
}
sgbRomData = _syncSettings.UseSGB2
? CoreComm.CoreFileProvider.GetFirmwareOrThrow(new("SNES", "Rom_SGB2"), "SGB2 Rom is required for SGB2 emulation.")
: CoreComm.CoreFileProvider.GetFirmwareOrThrow(new("SNES", "Rom_SGB"), "SGB1 Rom is required for SGB1 emulation.");
game.FirmwareHash = SHA1Checksum.ComputeDigestHex(sgbRomData);
}
BsnesApi.SnesCallbacks callbacks = new()
{
inputPollCb = snes_input_poll,
noLagCb = snes_no_lag,
controllerLatchCb = snes_controller_latch,
videoFrameCb = snes_video_refresh,
audioSampleCb = snes_audio_sample,
pathRequestCb = snes_path_request,
traceCb = snes_trace,
readHookCb = ReadHook,
writeHookCb = WriteHook,
execHookCb = ExecHook
};
Api = new BsnesApi(CoreComm.CoreFileProvider.DllPath(), CoreComm, callbacks.AllDelegatesInMemoryOrder());
_controllers = new BsnesControllers(_syncSettings);
generate_palette();
// TODO: massive random hack till waterboxhost gets fixed to support 5+ args
ushort mergedBools = (ushort)((_syncSettings.Hotfixes ? 1 << 8 : 0) | (_syncSettings.FastPPU ? 1 : 0));
Api.core.snes_init(_syncSettings.Entropy, _syncSettings.LeftPort, _syncSettings.RightPort, mergedBools);
Api.SetCallbacks(callbacks);
// start up audio resampler
InitAudio();
ser.Register <ISoundProvider>(_resampler);
if (game.System == VSystemID.Raw.SGB)
{
IsSGB = true;
SystemId = VSystemID.Raw.SNES;
ser.Register <IBoardInfo>(new SGBBoardInfo());
_currLoadParams = new LoadParams
{
type = LoadParamType.SuperGameBoy,
baseRomPath = baseRomPath,
romData = sgbRomData,
sgbRomData = romData
};
}
else
{
// we may need to get some information out of the cart, even during the following bootup/load process
if (xmlData != null)
{
_romxml = new XmlDocument();
_romxml.Load(new MemoryStream(xmlData));
// bsnes wont inspect the xml to load the necessary sfc file.
// so, we have to do that here and pass it in as the romData :/
// TODO: uhh i have no idea what the xml is or whether this below code is needed
if (_romxml["cartridge"]?["rom"] != null)
{
romData = File.ReadAllBytes(PathSubfile(_romxml["cartridge"]["rom"].Attributes["name"].Value));
}
else
{
throw new Exception("Could not find rom file specification in xml file. Please check the integrity of your xml file");
}
}
SystemId = VSystemID.Raw.SNES;
_currLoadParams = new LoadParams
{
type = LoadParamType.Normal,
baseRomPath = baseRomPath,
romData = romData
};
}
LoadCurrent();
if (_region == BsnesApi.SNES_REGION.NTSC)
{
// taken from bsnes source
VsyncNumerator = 21477272;
VsyncDenominator = 357366;
}
else
{
// http://forums.nesdev.com/viewtopic.php?t=5367&start=19
VsyncNumerator = 21281370;
VsyncDenominator = 4 * 341 * 312;
}
SetMemoryDomains();
const string TRACE_HEADER = "65816: PC, mnemonic, operands, registers (A, X, Y, S, D, B, flags (NVMXDIZC), V, H)";
_tracer = new TraceBuffer(TRACE_HEADER);
ser.Register <IDisassemblable>(new W65816_DisassemblerService());
ser.Register(_tracer);
Api.Seal();
}
} = new List <string>(); // TODO: Hack work around, to avoid having to refactor Assets into a object array, should be refactored!
/// <exception cref="InvalidOperationException">internal error</exception>
public static XmlGame Create(HawkFile f)
{
try
{
var x = new XmlDocument();
x.Load(f.GetStream());
var y = x.SelectSingleNode("./BizHawk-XMLGame");
if (y == null)
{
return(null);
}
var ret = new XmlGame
{
GI =
{
System = y.Attributes["System"].Value,
Name = y.Attributes["Name"].Value,
Status = RomStatus.Unknown
},
Xml = x
};
string fullPath = "";
var n = y.SelectSingleNode("./LoadAssets");
if (n != null)
{
var hashStream = new MemoryStream();
int?originalIndex = null;
foreach (XmlNode a in n.ChildNodes)
{
string filename = a.Attributes["FileName"].Value;
byte[] data;
if (filename[0] == '|')
{
// in same archive
var ai = f.FindArchiveMember(filename.Substring(1));
if (ai != null)
{
originalIndex ??= f.BoundIndex;
f.Unbind();
f.BindArchiveMember(ai.Value);
data = f.GetStream().ReadAllBytes();
}
else
{
throw new Exception($"Couldn't load XMLGame Asset \"{filename}\"");
}
}
else
{
// relative path
fullPath = Path.GetDirectoryName(f.CanonicalFullPath.Split('|').First()) ?? "";
fullPath = Path.Combine(fullPath, filename.Split('|').First());
try
{
using var hf = new HawkFile(fullPath);
if (hf.IsArchive)
{
var archiveItem = hf.ArchiveItems.First(ai => ai.Name == filename.Split('|').Skip(1).First());
hf.Unbind();
hf.BindArchiveMember(archiveItem);
data = hf.GetStream().ReadAllBytes();
filename = filename.Split('|').Skip(1).First();
}
else
{
data = File.ReadAllBytes(fullPath.Split('|').First());
}
}
catch
{
throw new Exception($"Couldn't load XMLGame LoadAsset \"{filename}\"");
}
}
ret.Assets.Add(new KeyValuePair <string, byte[]>(filename, data));
ret.AssetFullPaths.Add(fullPath);
var sha1 = SHA1Checksum.Compute(data);
hashStream.Write(sha1, 0, sha1.Length);
}
ret.GI.Hash = SHA1Checksum.ComputeDigestHex(hashStream.GetBufferAsSpan());
hashStream.Close();
if (originalIndex != null)
{
f.Unbind();
f.BindArchiveMember((int)originalIndex);
}
}
else
{
ret.GI.Hash = SHA1Checksum.Zero;
}
return(ret);
}
catch (Exception ex)
{
throw new InvalidOperationException(ex.ToString());
}
}
public Sameboy(CoreComm comm, GameInfo game, byte[] file, SameboySettings settings, SameboySyncSettings syncSettings, bool deterministic)
{
_serviceProvider = new BasicServiceProvider(this);
_settings = settings ?? new SameboySettings();
_syncSettings = syncSettings ?? new SameboySyncSettings();
var model = _syncSettings.ConsoleMode;
if (model is SameboySyncSettings.GBModel.Auto)
{
model = game.System == VSystemID.Raw.GBC
? SameboySyncSettings.GBModel.GB_MODEL_CGB_E
: SameboySyncSettings.GBModel.GB_MODEL_DMG_B;
}
IsCgb = model >= SameboySyncSettings.GBModel.GB_MODEL_CGB_0;
byte[] bios;
if (_syncSettings.EnableBIOS)
{
FirmwareID fwid = new(
IsCgb ? "GBC" : "GB",
_syncSettings.ConsoleMode is SameboySyncSettings.GBModel.GB_MODEL_AGB
? "AGB"
: "World");
bios = comm.CoreFileProvider.GetFirmwareOrThrow(fwid, "BIOS Not Found, Cannot Load. Change SyncSettings to run without BIOS.");
}
else
{
bios = Util.DecompressGzipFile(new MemoryStream(IsCgb
? _syncSettings.ConsoleMode is SameboySyncSettings.GBModel.GB_MODEL_AGB ? Resources.SameboyAgbBoot.Value : Resources.SameboyCgbBoot.Value
: Resources.SameboyDmgBoot.Value));
}
DeterministicEmulation = false;
bool realtime = true;
if (!_syncSettings.UseRealTime || deterministic)
{
realtime = false;
DeterministicEmulation = true;
}
SameboyState = LibSameboy.sameboy_create(file, file.Length, bios, bios.Length, model, realtime);
InitMemoryDomains();
InitMemoryCallbacks();
_samplecb = QueueSample;
LibSameboy.sameboy_setsamplecallback(SameboyState, _samplecb);
_inputcb = InputCallback;
LibSameboy.sameboy_setinputcallback(SameboyState, _inputcb);
_tracecb = MakeTrace;
LibSameboy.sameboy_settracecallback(SameboyState, null);
LibSameboy.sameboy_setscanlinecallback(SameboyState, null, 0);
LibSameboy.sameboy_setprintercallback(SameboyState, null);
const string TRACE_HEADER = "SM83: PC, opcode, registers (A, F, B, C, D, E, H, L, SP, LY, CY)";
Tracer = new TraceBuffer(TRACE_HEADER);
_serviceProvider.Register(Tracer);
_disassembler = new Gameboy.GBDisassembler();
_serviceProvider.Register <IDisassemblable>(_disassembler);
PutSettings(_settings);
_stateBuf = new byte[LibSameboy.sameboy_statelen(SameboyState)];
RomDetails = $"{game.Name}\r\n{SHA1Checksum.ComputePrefixedHex(file)}\r\n{MD5Checksum.ComputePrefixedHex(file)}\r\n";
BoardName = MapperName(file);
_hasAcc = BoardName is "MBC7 ROM+ACCEL+EEPROM";
ControllerDefinition = Gameboy.Gameboy.CreateControllerDefinition(sgb: false, sub: false, tilt: _hasAcc);
LibSameboy.sameboy_setrtcdivisoroffset(SameboyState, _syncSettings.RTCDivisorOffset);
CycleCount = 0;
}
public PCEngine(CoreLoadParameters <PCESettings, PCESyncSettings> lp)
{
if (lp.Discs.Count == 1 && lp.Roms.Count == 0)
{
SystemId = VSystemID.Raw.PCECD;
Type = NecSystemType.TurboCD;
this.disc = lp.Discs[0].DiscData;
Settings = (PCESettings)lp.Settings ?? new PCESettings();
_syncSettings = (PCESyncSettings)lp.SyncSettings ?? new PCESyncSettings();
var(rom, biosInfo) = lp.Comm.CoreFileProvider.GetFirmwareWithGameInfoOrThrow(
new("PCECD", "Bios"),
"PCE-CD System Card not found. Please check the BIOS settings in Config->Firmwares.");
if (biosInfo.Status == RomStatus.BadDump)
{
lp.Comm.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)
{
lp.Comm.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.
lp.Comm.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"])
{
lp.Game.AddOption("SuperSysCard", "");
}
if (lp.Game["NeedSuperSysCard"] && lp.Game["SuperSysCard"] == false)
{
lp.Comm.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();
}
lp.Game.FirmwareHash = SHA1Checksum.ComputeDigestHex(rom);
Init(lp.Game, rom);
// the default RomStatusDetails don't do anything with Disc
RomDetails = $"{lp.Game.Name}\r\nDisk partial hash:{new DiscHasher(disc).OldHash()}";
_controllerDeck = new PceControllerDeck(
_syncSettings.Port1,
_syncSettings.Port2,
_syncSettings.Port3,
_syncSettings.Port4,
_syncSettings.Port5);
}
else if (lp.Discs.Count == 0 && lp.Roms.Count == 1)
{
switch (SystemId = lp.Game.System)
{
default:
case VSystemID.Raw.PCE:
Type = NecSystemType.TurboGrafx;
break;
case VSystemID.Raw.SGX:
Type = NecSystemType.SuperGrafx;
break;
}
Settings = (PCESettings)lp.Settings ?? new PCESettings();
_syncSettings = (PCESyncSettings)lp.SyncSettings ?? new PCESyncSettings();
Init(lp.Game, lp.Roms[0].RomData);
_controllerDeck = new PceControllerDeck(
_syncSettings.Port1,
_syncSettings.Port2,
_syncSettings.Port3,
_syncSettings.Port4,
_syncSettings.Port5);
}
else
{
throw new InvalidOperationException("PCEHawk can only load exactly one CD or exactly one ROM");
}
}
public VectrexHawk(CoreComm comm, byte[] rom, VectrexHawk.VectrexSyncSettings syncSettings)
{
var ser = new BasicServiceProvider(this);
cpu = new MC6809
{
ReadMemory = ReadMemory,
WriteMemory = WriteMemory,
PeekMemory = PeekMemory,
DummyReadMemory = ReadMemory,
OnExecFetch = ExecFetch,
};
audio = new Audio();
ppu = new PPU();
serialport = new SerialPort();
_settings = new object(); // TODO: wtf is this
_syncSettings = (VectrexSyncSettings)syncSettings ?? new VectrexSyncSettings();
_controllerDeck = new VectrexHawkControllerDeck(_syncSettings.Port1, _syncSettings.Port2);
/*var Bios =*/ _bios = comm.CoreFileProvider.GetFirmwareOrThrow(new("VEC", "Bios"), "BIOS Not Found, Cannot Load");
/*var Mine =*/ minestorm = comm.CoreFileProvider.GetFirmwareOrThrow(new("VEC", "Minestorm"), "Minestorm Not Found, Cannot Load");
var romHashSHA1 = SHA1Checksum.ComputePrefixedHex(rom);
Console.WriteLine(romHashSHA1);
_rom = rom;
// If the game is minstorm, then no cartridge is inserted, retun 0xFF
if (romHashSHA1 == RomChecksums.Minestorm)
{
_rom = new byte[0x8000];
for (int i = 0; i < 0x8000; i++)
{
_rom[i] = 0xFF;
}
}
// mirror games that are too small
if (_rom.Length < 0x8000)
{
_rom = new byte[0x8000];
for (int i = 0; i < 0x8000 / rom.Length; i++)
{
for (int j = 0; j < rom.Length; j++)
{
_rom[j + i * rom.Length] = rom[j];
}
}
}
// RAM appears to power up to either random values or 0xFF, otherwise all the asteroids in minestorm are on the same side if RAM[0x7E]=0
for (int i = 0; i < RAM.Length; i++)
{
RAM[i] = 0xFF;
}
Setup_Mapper();
_frameHz = 50;
audio.Core = this;
ppu.Core = this;
serialport.Core = this;
ser.Register <IVideoProvider>(this);
ser.Register <ISoundProvider>(audio);
ServiceProvider = ser;
_settings = new object(); // TODO: wtf is this
_syncSettings = (VectrexSyncSettings)syncSettings ?? new VectrexSyncSettings();
_tracer = new TraceBuffer(cpu.TraceHeader);
ser.Register <ITraceable>(_tracer);
ser.Register <IStatable>(new StateSerializer(SyncState));
SetupMemoryDomains();
HardReset();
cpu.SetCallbacks(ReadMemory, PeekMemory, PeekMemory, WriteMemory);
}
public BsnesCore(CoreLoadParameters <SnesSettings, SnesSyncSettings> loadParameters)
{
var ser = new BasicServiceProvider(this);
ServiceProvider = ser;
this._romPath = Path.Combine(loadParameters.Roms[0].RomDirectory, loadParameters.Game.Name);
CoreComm = loadParameters.Comm;
_settings = loadParameters.Settings ?? new SnesSettings();
_syncSettings = loadParameters.SyncSettings ?? new SnesSyncSettings();
IsSGB = loadParameters.Game.System == VSystemID.Raw.SGB;
byte[] sgbRomData = null;
if (IsSGB)
{
if ((loadParameters.Roms[0].RomData[0x143] & 0xc0) == 0xc0)
{
throw new CGBNotSupportedException();
}
sgbRomData = _syncSettings.UseSGB2
? CoreComm.CoreFileProvider.GetFirmwareOrThrow(new("SNES", "Rom_SGB2"), "SGB2 Rom is required for SGB2 emulation.")
: CoreComm.CoreFileProvider.GetFirmwareOrThrow(new("SNES", "Rom_SGB"), "SGB1 Rom is required for SGB1 emulation.");
loadParameters.Game.FirmwareHash = SHA1Checksum.ComputeDigestHex(sgbRomData);
}
BsnesApi.SnesCallbacks callbacks = new()
{
inputPollCb = snes_input_poll,
noLagCb = snes_no_lag,
controllerLatchCb = snes_controller_latch,
videoFrameCb = snes_video_refresh,
audioSampleCb = snes_audio_sample,
pathRequestCb = snes_path_request,
traceCb = snes_trace,
readHookCb = ReadHook,
writeHookCb = WriteHook,
execHookCb = ExecHook,
msuOpenCb = msu_open,
msuSeekCb = msu_seek,
msuReadCb = msu_read,
msuEndCb = msu_end
};
Api = new BsnesApi(CoreComm.CoreFileProvider.DllPath(), CoreComm, callbacks.AllDelegatesInMemoryOrder());
_controllers = new BsnesControllers(_syncSettings);
generate_palette();
BsnesApi.SnesInitData snesInitData = new()
{
entropy = _syncSettings.Entropy,
left_port = _syncSettings.LeftPort,
right_port = _syncSettings.RightPort,
hotfixes = _syncSettings.Hotfixes,
fast_ppu = _syncSettings.FastPPU,
fast_dsp = _syncSettings.FastDSP,
fast_coprocessors = _syncSettings.FastCoprocessors,
region_override = _syncSettings.RegionOverride,
};
Api.core.snes_init(ref snesInitData);
Api.SetCallbacks(callbacks);
// start up audio resampler
InitAudio();
ser.Register <ISoundProvider>(_resampler);
if (IsSGB)
{
ser.Register <IBoardInfo>(new SGBBoardInfo());
Api.core.snes_load_cartridge_super_gameboy(sgbRomData, loadParameters.Roms[0].RomData,
sgbRomData !.Length, loadParameters.Roms[0].RomData.Length);
}
else
{
Api.core.snes_load_cartridge_normal(loadParameters.Roms[0].RomData, loadParameters.Roms[0].RomData.Length);
}
_region = Api.core.snes_get_region();
if (_region == BsnesApi.SNES_REGION.NTSC)
{
// taken from bsnes source
VsyncNumerator = 21477272;
VsyncDenominator = 357366;
}
else
{
// http://forums.nesdev.com/viewtopic.php?t=5367&start=19
VsyncNumerator = 21281370;
VsyncDenominator = 4 * 341 * 312;
}
SetMemoryDomains();
const string TRACE_HEADER = "65816: PC, mnemonic, operands, registers (A, X, Y, S, D, B, flags (NVMXDIZC), V, H)";
_tracer = new TraceBuffer(TRACE_HEADER);
ser.Register <IDisassemblable>(new W65816_DisassemblerService());
ser.Register(_tracer);
Api.Seal();
}
