internal void ResetControllerDefinition(bool subframe)
{
ControllerDefinition = null;
ControllerDeck = ControllerSettings.Instantiate(ppu.LightGunCallback);
ControllerDefinition = ControllerDeck.ControllerDef;
// controls other than the deck
ControllerDefinition.BoolButtons.Add("Power");
ControllerDefinition.BoolButtons.Add("Reset");
if (Board is FDS b)
{
ControllerDefinition.BoolButtons.Add("FDS Eject");
for (int i = 0; i < b.NumSides; i++)
{
ControllerDefinition.BoolButtons.Add("FDS Insert " + i);
}
}
if (_isVS)
{
ControllerDefinition.BoolButtons.Add("Insert Coin P1");
ControllerDefinition.BoolButtons.Add("Insert Coin P2");
ControllerDefinition.BoolButtons.Add("Service Switch");
}
// Add in the reset timing axis for subneshawk
if (subframe)
{
ControllerDefinition.AddAxis("Reset Cycle", 0.RangeTo(500000), 0);
}
ControllerDefinition.MakeImmutable();
}
public static IControllerDeck AddSystemToControllerDef(this IControllerDeck deck)
{
var def = deck.ControllerDef;
//TODO FDS
def.BoolButtons.Add("Reset");
def.BoolButtons.Add("Power");
def.MakeImmutable();
return(deck);
}
public void HardReset()
{
cpu = new MOS6502X();
cpu.SetCallbacks(ReadMemory, ReadMemory, PeekMemory, WriteMemory);
cpu.BCD_Enabled = false;
cpu.OnExecFetch = ExecFetch;
ppu = new PPU(this);
ram = new byte[0x800];
CIRAM = new byte[0x800];
// wire controllers
// todo: allow changing this
ControllerDeck = ControllerSettings.Instantiate(ppu.LightGunCallback);
// set controller definition first time only
if (ControllerDefinition == null)
{
ControllerDefinition = new ControllerDefinition(ControllerDeck.GetDefinition());
ControllerDefinition.Name = "NES Controller";
// controls other than the deck
ControllerDefinition.BoolButtons.Add("Power");
ControllerDefinition.BoolButtons.Add("Reset");
if (Board is FDS)
{
var b = Board as FDS;
ControllerDefinition.BoolButtons.Add("FDS Eject");
for (int i = 0; i < b.NumSides; i++)
{
ControllerDefinition.BoolButtons.Add("FDS Insert " + i);
}
}
if (_isVS)
{
ControllerDefinition.BoolButtons.Add("Insert Coin P1");
ControllerDefinition.BoolButtons.Add("Insert Coin P2");
ControllerDefinition.BoolButtons.Add("Service Switch");
}
}
// don't replace the magicSoundProvider on reset, as it's not needed
// if (magicSoundProvider != null) magicSoundProvider.Dispose();
// set up region
switch (_display_type)
{
case Common.DisplayType.PAL:
apu = new APU(this, apu, true);
ppu.region = PPU.Region.PAL;
CoreComm.VsyncNum = 50;
CoreComm.VsyncDen = 1;
cpuclockrate = 1662607;
cpu_sequence = cpu_sequence_PAL;
_display_type = DisplayType.PAL;
break;
case Common.DisplayType.NTSC:
apu = new APU(this, apu, false);
ppu.region = PPU.Region.NTSC;
CoreComm.VsyncNum = 39375000;
CoreComm.VsyncDen = 655171;
cpuclockrate = 1789773;
cpu_sequence = cpu_sequence_NTSC;
break;
// this is in bootgod, but not used at all
case Common.DisplayType.DENDY:
apu = new APU(this, apu, false);
ppu.region = PPU.Region.Dendy;
CoreComm.VsyncNum = 50;
CoreComm.VsyncDen = 1;
cpuclockrate = 1773448;
cpu_sequence = cpu_sequence_NTSC;
_display_type = DisplayType.DENDY;
break;
default:
throw new Exception("Unknown displaytype!");
}
if (magicSoundProvider == null)
{
magicSoundProvider = new MagicSoundProvider(this, (uint)cpuclockrate);
}
BoardSystemHardReset();
// apu has some specific power up bahaviour that we will emulate here
apu.NESHardReset();
if (SyncSettings.InitialWRamStatePattern != null && SyncSettings.InitialWRamStatePattern.Any())
{
for (int i = 0; i < 0x800; i++)
{
ram[i] = SyncSettings.InitialWRamStatePattern[i % SyncSettings.InitialWRamStatePattern.Count];
}
}
else
{
// check fceux's PowerNES and FCEU_MemoryRand function for more information:
// relevant games: Cybernoid; Minna no Taabou no Nakayoshi Daisakusen; Huang Di; and maybe mechanized attack
for (int i = 0; i < 0x800; i++)
{
if ((i & 4) != 0)
{
ram[i] = 0xFF;
}
else
{
ram[i] = 0x00;
}
}
}
SetupMemoryDomains();
// some boards cannot have specific values in RAM upon initialization
// Let's hard code those cases here
// these will be defined through the gameDB exclusively for now.
if (cart.DB_GameInfo != null)
{
if (cart.DB_GameInfo.Hash == "60FC5FA5B5ACCAF3AEFEBA73FC8BFFD3C4DAE558" || // Camerica Golden 5
cart.DB_GameInfo.Hash == "BAD382331C30B22A908DA4BFF2759C25113CC26A" || // Camerica Golden 5
cart.DB_GameInfo.Hash == "40409FEC8249EFDB772E6FFB2DCD41860C6CCA23" // Camerica Pegasus 4-in-1
)
{
ram[0x701] = 0xFF;
}
}
}
protected override void RunImport()
{
var neshawkName = ((CoreAttribute)Attribute.GetCustomAttribute(typeof(NES), typeof(CoreAttribute))).CoreName;
Result.Movie.HeaderEntries[HeaderKeys.Core] = neshawkName;
using var r = new BinaryReader(SourceFile.Open(FileMode.Open, FileAccess.Read));
var signature = new string(r.ReadChars(4));
if (signature != "FCM\x1A")
{
Result.Errors.Add("This is not a valid .FCM file.");
return;
}
Result.Movie.HeaderEntries[HeaderKeys.Platform] = "NES";
var syncSettings = new NES.NESSyncSettings();
var controllerSettings = new NESControlSettings
{
NesLeftPort = nameof(ControllerNES),
NesRightPort = nameof(ControllerNES)
};
_deck = controllerSettings.Instantiate((x, y) => true);
AddDeckControlButtons();
// 004 4-byte little-endian unsigned int: version number, must be 2
uint version = r.ReadUInt32();
if (version != 2)
{
Result.Errors.Add(".FCM movie version must always be 2.");
return;
}
Result.Movie.Comments.Add($"{MovieOrigin} .FCM version {version}");
// 008 1-byte flags
byte flags = r.ReadByte();
/*
* bit 0: reserved, set to 0
* bit 1:
* if "0", movie begins from an embedded "quicksave" snapshot
* if "1", movie begins from reset or power-on[1]
*/
if (((flags >> 1) & 0x1) == 0)
{
Result.Errors.Add("Movies that begin with a savestate are not supported.");
return;
}
/*
* bit 2:
* if "0", NTSC timing
* if "1", "PAL" timing
* Starting with version 0.98.12 released on September 19, 2004, a "PAL" flag was added to the header but
* unfortunately it is not reliable - the emulator does not take the "PAL" setting from the ROM, but from a user
* preference. This means that this site cannot calculate movie lengths reliably.
*/
bool pal = ((flags >> 2) & 0x1) != 0;
Result.Movie.HeaderEntries[HeaderKeys.Pal] = pal.ToString();
// other: reserved, set to 0
bool syncHack = ((flags >> 4) & 0x1) != 0;
Result.Movie.Comments.Add($"SyncHack {syncHack}");
// 009 1-byte flags: reserved, set to 0
r.ReadByte();
// 00A 1-byte flags: reserved, set to 0
r.ReadByte();
// 00B 1-byte flags: reserved, set to 0
r.ReadByte();
// 00C 4-byte little-endian unsigned int: number of frames
uint frameCount = r.ReadUInt32();
// 010 4-byte little-endian unsigned int: rerecord count
uint rerecordCount = r.ReadUInt32();
Result.Movie.Rerecords = rerecordCount;
/*
* 018 4-byte little-endian unsigned int: offset to the savestate inside file
* The savestate offset is <header_size + length_of_metadata_in_bytes + padding>. The savestate offset should be
* 4-byte aligned. At the savestate offset there is a savestate file. The savestate exists even if the movie is
* reset-based.
*/
r.ReadUInt32();
// 01C 4-byte little-endian unsigned int: offset to the controller data inside file
uint firstFrameOffset = r.ReadUInt32();
// 020 16-byte md5sum of the ROM used
byte[] md5 = r.ReadBytes(16);
Result.Movie.HeaderEntries[Md5] = md5.BytesToHexString().ToLower();
// 030 4-byte little-endian unsigned int: version of the emulator used
uint emuVersion = r.ReadUInt32();
Result.Movie.Comments.Add($"{EmulationOrigin} FCEU {emuVersion}");
// 034 name of the ROM used - UTF8 encoded nul-terminated string.
var gameBytes = new List <byte>();
while (r.PeekChar() != 0)
{
gameBytes.Add(r.ReadByte());
}
// Advance past null byte.
r.ReadByte();
string gameName = Encoding.UTF8.GetString(gameBytes.ToArray());
Result.Movie.HeaderEntries[HeaderKeys.GameName] = gameName;
/*
* After the header comes "metadata", which is UTF8-coded movie title string. The metadata begins after the ROM
* name and ends at the savestate offset. This string is displayed as "Author Info" in the Windows version of the
* emulator.
*/
var authorBytes = new List <byte>();
while (r.PeekChar() != 0)
{
authorBytes.Add(r.ReadByte());
}
// Advance past null byte.
r.ReadByte();
string author = Encoding.UTF8.GetString(authorBytes.ToArray());
Result.Movie.HeaderEntries[HeaderKeys.Author] = author;
// Advance to first byte of input data.
r.BaseStream.Position = firstFrameOffset;
var controllers = new SimpleController
{
Definition = _deck.GetDefinition()
};
string[] buttons = { "A", "B", "Select", "Start", "Up", "Down", "Left", "Right" };
bool fds = false;
int frame = 1;
while (frame <= frameCount)
{
byte update = r.ReadByte();
// aa: Number of delta bytes to follow
int delta = (update >> 5) & 0x3;
int frames = 0;
/*
* The delta byte(s) indicate the number of emulator frames between this update and the next update. It is
* encoded in little-endian format and its size depends on the magnitude of the delta:
* Delta of: Number of bytes:
* 0 0
* 1-255 1
* 256-65535 2
* 65536-(2^24-1) 3
*/
for (int b = 0; b < delta; b++)
{
frames += r.ReadByte() * (int)Math.Pow(2, b * 8);
}
frame += frames;
while (frames > 0)
{
Result.Movie.AppendFrame(controllers);
if (controllers["Reset"])
{
controllers["Reset"] = false;
}
frames--;
}
if (((update >> 7) & 0x1) != 0)
{
// Control update: 0x1aabbbbb
bool reset = false;
int command = update & 0x1F;
// 0xbbbbb:
controllers["Reset"] = command == 1;
switch (command)
{
case 0: // Do nothing
break;
case 1: // Reset
reset = true;
break;
case 2: // Power cycle
reset = true;
if (frame != 1)
{
controllers["Power"] = true;
}
break;
case 7: // VS System Insert Coin
Result.Warnings.Add($"Unsupported command: VS System Insert Coin at frame {frame}");
break;
case 8: // VS System Dipswitch 0 Toggle
Result.Warnings.Add($"Unsupported command: VS System Dipswitch 0 Toggle at frame {frame}");
break;
case 24: // FDS Insert
fds = true;
Result.Warnings.Add($"Unsupported command: FDS Insert at frame {frame}");
break;
case 25: // FDS Eject
fds = true;
Result.Warnings.Add($"Unsupported command: FDS Eject at frame {frame}");
break;
case 26: // FDS Select Side
fds = true;
Result.Warnings.Add($"Unsupported command: FDS Select Side at frame {frame}");
break;
default:
Result.Warnings.Add($"Unknown command: {command} detected at frame {frame}");
break;
}
/*
* 1 Even if the header says "movie begins from reset", the file still contains a quicksave, and the
* quicksave is actually loaded. This flag can't therefore be trusted. To check if the movie actually
* begins from reset, one must analyze the controller data and see if the first non-idle command in the
* file is a Reset or Power Cycle type control command.
*/
if (!reset && frame == 1)
{
Result.Errors.Add("Movies that begin with a savestate are not supported.");
return;
}
}
else
{
/*
* Controller update: 0aabbccc
* bb: Gamepad number minus one (?)
*/
int player = ((update >> 3) & 0x3) + 1;
if (player > 2)
{
Result.Errors.Add("Four score not yet supported.");
return;
}
/*
* ccc:
* 0 A
* 1 B
* 2 Select
* 3 Start
* 4 Up
* 5 Down
* 6 Left
* 7 Right
*/
int button = update & 0x7;
/*
* The controller update toggles the affected input. Controller update data is emitted to the movie file
* only when the state of the controller changes.
*/
controllers[$"P{player} {buttons[button]}"] = !controllers[$"P{player} {buttons[button]}"];
}
Result.Movie.AppendFrame(controllers);
}
if (fds)
{
Result.Movie.HeaderEntries[HeaderKeys.BoardName] = "FDS";
}
syncSettings.Controls = controllerSettings;
Result.Movie.SyncSettingsJson = ConfigService.SaveWithType(syncSettings);
}
public void HardReset()
{
cpu = new MOS6502X <CpuLink>(new CpuLink(this))
{
BCD_Enabled = false
};
ppu = new PPU(this);
ram = new byte[0x800];
CIRAM = new byte[0x800];
// wire controllers
// todo: allow changing this
ControllerDeck = ControllerSettings.Instantiate(ppu.LightGunCallback);
// set controller definition first time only
if (ControllerDefinition == null)
{
ControllerDefinition = new ControllerDefinition(ControllerDeck.GetDefinition());
ControllerDefinition.Name = "NES Controller";
// controls other than the deck
ControllerDefinition.BoolButtons.Add("Power");
ControllerDefinition.BoolButtons.Add("Reset");
if (Board is FDS)
{
var b = Board as FDS;
ControllerDefinition.BoolButtons.Add("FDS Eject");
for (int i = 0; i < b.NumSides; i++)
{
ControllerDefinition.BoolButtons.Add("FDS Insert " + i);
}
}
if (_isVS)
{
ControllerDefinition.BoolButtons.Add("Insert Coin P1");
ControllerDefinition.BoolButtons.Add("Insert Coin P2");
ControllerDefinition.BoolButtons.Add("Service Switch");
}
}
// Add in the reset timing float control for subneshawk
if (using_reset_timing && (ControllerDefinition.FloatControls.Count() == 0))
{
ControllerDefinition.FloatControls.Add("Reset Cycle");
ControllerDefinition.FloatRanges.Add(new ControllerDefinition.FloatRange(0, 0, 500000));
}
// don't replace the magicSoundProvider on reset, as it's not needed
// if (magicSoundProvider != null) magicSoundProvider.Dispose();
// set up region
switch (_display_type)
{
case Common.DisplayType.PAL:
apu = new APU(this, apu, true);
ppu.region = PPU.Region.PAL;
VsyncNum = 50;
VsyncDen = 1;
cpuclockrate = 1662607;
cpu_sequence = cpu_sequence_PAL;
_display_type = DisplayType.PAL;
ClockRate = 5320342.5;
break;
case Common.DisplayType.NTSC:
apu = new APU(this, apu, false);
ppu.region = PPU.Region.NTSC;
VsyncNum = 39375000;
VsyncDen = 655171;
cpuclockrate = 1789773;
cpu_sequence = cpu_sequence_NTSC;
ClockRate = 5369318.1818181818181818181818182;
break;
// this is in bootgod, but not used at all
case Common.DisplayType.Dendy:
apu = new APU(this, apu, false);
ppu.region = PPU.Region.Dendy;
VsyncNum = 50;
VsyncDen = 1;
cpuclockrate = 1773448;
cpu_sequence = cpu_sequence_NTSC;
_display_type = DisplayType.Dendy;
ClockRate = 5320342.5;
break;
default:
throw new Exception("Unknown displaytype!");
}
blip.SetRates((uint)cpuclockrate, 44100);
BoardSystemHardReset();
// apu has some specific power up bahaviour that we will emulate here
apu.NESHardReset();
if (SyncSettings.InitialWRamStatePattern != null && SyncSettings.InitialWRamStatePattern.Any())
{
for (int i = 0; i < 0x800; i++)
{
ram[i] = SyncSettings.InitialWRamStatePattern[i % SyncSettings.InitialWRamStatePattern.Count];
}
}
else
{
// check fceux's PowerNES and FCEU_MemoryRand function for more information:
// relevant games: Cybernoid; Minna no Taabou no Nakayoshi Daisakusen; Huang Di; and maybe mechanized attack
for (int i = 0; i < 0x800; i++)
{
if ((i & 4) != 0)
{
ram[i] = 0xFF;
}
else
{
ram[i] = 0x00;
}
}
}
SetupMemoryDomains();
// some boards cannot have specific values in RAM upon initialization
// Let's hard code those cases here
// these will be defined through the gameDB exclusively for now.
if (cart.DB_GameInfo != null)
{
if (cart.DB_GameInfo.Hash == "60FC5FA5B5ACCAF3AEFEBA73FC8BFFD3C4DAE558" || // Camerica Golden 5
cart.DB_GameInfo.Hash == "BAD382331C30B22A908DA4BFF2759C25113CC26A" || // Camerica Golden 5
cart.DB_GameInfo.Hash == "40409FEC8249EFDB772E6FFB2DCD41860C6CCA23" // Camerica Pegasus 4-in-1
)
{
ram[0x701] = 0xFF;
}
if (cart.DB_GameInfo.Hash == "68ABE1E49C9E9CCEA978A48232432C252E5912C0") // Dancing Blocks
{
ram[0xEC] = 0;
ram[0xED] = 0;
}
if (cart.DB_GameInfo.Hash == "00C50062A2DECE99580063777590F26A253AAB6B") // Silva Saga
{
for (int i = 0; i < Board.WRAM.Length; i++)
{
Board.WRAM[i] = 0xFF;
}
}
}
}
public void HardReset()
{
cpu = new MOS6502X();
cpu.SetCallbacks(ReadMemory, ReadMemory, PeekMemory, WriteMemory);
cpu.BCD_Enabled = false;
cpu.OnExecFetch = ExecFetch;
ppu = new PPU(this);
ram = new byte[0x800];
CIRAM = new byte[0x800];
// wire controllers
// todo: allow changing this
ControllerDeck = ControllerSettings.Instantiate(ppu.LightGunCallback);
// set controller definition first time only
if (ControllerDefinition == null)
{
ControllerDefinition = new ControllerDefinition(ControllerDeck.GetDefinition());
ControllerDefinition.Name = "NES Controller";
// controls other than the deck
ControllerDefinition.BoolButtons.Add("Power");
ControllerDefinition.BoolButtons.Add("Reset");
if (Board is FDS)
{
var b = Board as FDS;
ControllerDefinition.BoolButtons.Add("FDS Eject");
for (int i = 0; i < b.NumSides; i++)
ControllerDefinition.BoolButtons.Add("FDS Insert " + i);
}
}
// don't replace the magicSoundProvider on reset, as it's not needed
// if (magicSoundProvider != null) magicSoundProvider.Dispose();
// set up region
switch (_display_type)
{
case Common.DisplayType.PAL:
apu = new APU(this, apu, true);
ppu.region = PPU.Region.PAL;
CoreComm.VsyncNum = 50;
CoreComm.VsyncDen = 1;
cpuclockrate = 1662607;
cpu_sequence = cpu_sequence_PAL;
_display_type = DisplayType.PAL;
break;
case Common.DisplayType.NTSC:
apu = new APU(this, apu, false);
ppu.region = PPU.Region.NTSC;
CoreComm.VsyncNum = 39375000;
CoreComm.VsyncDen = 655171;
cpuclockrate = 1789773;
cpu_sequence = cpu_sequence_NTSC;
break;
// this is in bootgod, but not used at all
case Common.DisplayType.DENDY:
apu = new APU(this, apu, false);
ppu.region = PPU.Region.Dendy;
CoreComm.VsyncNum = 50;
CoreComm.VsyncDen = 1;
cpuclockrate = 1773448;
cpu_sequence = cpu_sequence_NTSC;
_display_type = DisplayType.DENDY;
break;
default:
throw new Exception("Unknown displaytype!");
}
if (magicSoundProvider == null)
magicSoundProvider = new MagicSoundProvider(this, (uint)cpuclockrate);
BoardSystemHardReset();
//check fceux's PowerNES and FCEU_MemoryRand function for more information:
//relevant games: Cybernoid; Minna no Taabou no Nakayoshi Daisakusen; Huang Di; and maybe mechanized attack
for(int i=0;i<0x800;i++) if((i&4)!=0) ram[i] = 0xFF; else ram[i] = 0x00;
SetupMemoryDomains();
//in this emulator, reset takes place instantaneously
cpu.PC = (ushort)(ReadMemory(0xFFFC) | (ReadMemory(0xFFFD) << 8));
cpu.P = 0x34;
cpu.S = 0xFD;
}
protected override void RunImport()
{
using var fs = SourceFile.Open(FileMode.Open, FileAccess.Read);
using var r = new BinaryReader(fs);
// 000 4-byte signature: 46 4D 56 1A "FMV\x1A"
var signature = new string(r.ReadChars(4));
if (signature != "FMV\x1A")
{
Result.Errors.Add("This is not a valid .FMV file.");
return;
}
// 004 1-byte flags:
byte flags = r.ReadByte();
// bit 7: 0=reset-based, 1=savestate-based
if (((flags >> 2) & 0x1) != 0)
{
Result.Errors.Add("Movies that begin with a savestate are not supported.");
return;
}
Result.Movie.HeaderEntries[HeaderKeys.PLATFORM] = "NES";
var syncSettings = new NES.NESSyncSettings();
// other bits: unknown, set to 0
// 005 1-byte flags:
flags = r.ReadByte();
// bit 5: is a FDS recording
bool fds;
if (((flags >> 5) & 0x1) != 0)
{
fds = true;
Result.Movie.HeaderEntries[HeaderKeys.BOARDNAME] = "FDS";
}
else
{
fds = false;
}
// bit 6: uses controller 2
bool controller2 = ((flags >> 6) & 0x1) != 0;
// bit 7: uses controller 1
bool controller1 = ((flags >> 7) & 0x1) != 0;
// other bits: unknown, set to 0
// 006 4-byte little-endian unsigned int: unknown, set to 00000000
r.ReadInt32();
// 00A 4-byte little-endian unsigned int: rerecord count minus 1
uint rerecordCount = r.ReadUInt32();
/*
* The rerecord count stored in the file is the number of times a savestate was loaded. If a savestate was never
* loaded, the number is 0. Famtasia however displays "1" in such case. It always adds 1 to the number found in
* the file.
*/
Result.Movie.Rerecords = rerecordCount + 1;
// 00E 2-byte little-endian unsigned int: unknown, set to 0000
r.ReadInt16();
// 010 64-byte zero-terminated emulator identifier string
string emuVersion = NullTerminated(new string(r.ReadChars(64)));
Result.Movie.Comments.Add($"{EmulationOrigin} Famtasia version {emuVersion}");
Result.Movie.Comments.Add($"{MovieOrigin} .FMV");
// 050 64-byte zero-terminated movie title string
string description = NullTerminated(new string(r.ReadChars(64)));
Result.Movie.Comments.Add(description);
if (!controller1 && !controller2 && !fds)
{
Result.Warnings.Add("No input recorded.");
}
var controllerSettings = new NESControlSettings
{
NesLeftPort = controller1 ? nameof(ControllerNES) : nameof(UnpluggedNES),
NesRightPort = controller2 ? nameof(ControllerNES) : nameof(UnpluggedNES)
};
_deck = controllerSettings.Instantiate((x, y) => true);
syncSettings.Controls.NesLeftPort = controllerSettings.NesLeftPort;
syncSettings.Controls.NesRightPort = controllerSettings.NesRightPort;
AddDeckControlButtons();
var controllers = new SimpleController
{
Definition = _deck.GetDefinition()
};
/*
* 01 Right
* 02 Left
* 04 Up
* 08 Down
* 10 B
* 20 A
* 40 Select
* 80 Start
*/
string[] buttons = { "Right", "Left", "Up", "Down", "B", "A", "Select", "Start" };
bool[] masks = { controller1, controller2, fds };
/*
* The file has no terminator byte or frame count. The number of frames is the <filesize minus 144> divided by
* <number of bytes per frame>.
*/
int bytesPerFrame = 0;
for (int player = 1; player <= masks.Length; player++)
{
if (masks[player - 1])
{
bytesPerFrame++;
}
}
long frameCount = (fs.Length - 144) / bytesPerFrame;
for (long frame = 1; frame <= frameCount; frame++)
{
/*
* Each frame consists of 1 or more bytes. Controller 1 takes 1 byte, controller 2 takes 1 byte, and the FDS
* data takes 1 byte. If all three exist, the frame is 3 bytes. For example, if the movie is a regular NES game
* with only controller 1 data, a frame is 1 byte.
*/
for (int player = 1; player <= masks.Length; player++)
{
if (!masks[player - 1])
{
continue;
}
byte controllerState = r.ReadByte();
if (player != 3)
{
for (int button = 0; button < buttons.Length; button++)
{
controllers[$"P{player} {buttons[button]}"] = ((controllerState >> button) & 0x1) != 0;
}
}
else
{
Result.Warnings.Add("FDS commands are not properly supported.");
}
}
Result.Movie.AppendFrame(controllers);
}
Result.Movie.SyncSettingsJson = ConfigService.SaveWithType(syncSettings);
}
public void HardReset()
{
cpu = new MOS6502X();
cpu.SetCallbacks(ReadMemory, ReadMemory, PeekMemory, WriteMemory);
cpu.BCD_Enabled = false;
cpu.OnExecFetch = ExecFetch;
ppu = new PPU(this);
ram = new byte[0x800];
CIRAM = new byte[0x800];
// wire controllers
// todo: allow changing this
ControllerDeck = ControllerSettings.Instantiate(ppu.LightGunCallback);
// set controller definition first time only
if (ControllerDefinition == null)
{
ControllerDefinition = new ControllerDefinition(ControllerDeck.GetDefinition());
ControllerDefinition.Name = "NES Controller";
// controls other than the deck
ControllerDefinition.BoolButtons.Add("Power");
ControllerDefinition.BoolButtons.Add("Reset");
if (board is FDS)
{
var b = board as FDS;
ControllerDefinition.BoolButtons.Add("FDS Eject");
for (int i = 0; i < b.NumSides; i++)
{
ControllerDefinition.BoolButtons.Add("FDS Insert " + i);
}
}
}
// don't replace the magicSoundProvider on reset, as it's not needed
// if (magicSoundProvider != null) magicSoundProvider.Dispose();
// set up region
switch (_display_type)
{
case Common.DisplayType.PAL:
apu = new APU(this, apu, true);
ppu.region = PPU.Region.PAL;
CoreComm.VsyncNum = 50;
CoreComm.VsyncDen = 1;
cpuclockrate = 1662607;
cpu_sequence = cpu_sequence_PAL;
_display_type = DisplayType.PAL;
break;
case Common.DisplayType.NTSC:
apu = new APU(this, apu, false);
ppu.region = PPU.Region.NTSC;
CoreComm.VsyncNum = 39375000;
CoreComm.VsyncDen = 655171;
cpuclockrate = 1789773;
cpu_sequence = cpu_sequence_NTSC;
break;
// this is in bootgod, but not used at all
case Common.DisplayType.DENDY:
apu = new APU(this, apu, false);
ppu.region = PPU.Region.Dendy;
CoreComm.VsyncNum = 50;
CoreComm.VsyncDen = 1;
cpuclockrate = 1773448;
cpu_sequence = cpu_sequence_NTSC;
_display_type = DisplayType.DENDY;
break;
default:
throw new Exception("Unknown displaytype!");
}
if (magicSoundProvider == null)
{
magicSoundProvider = new MagicSoundProvider(this, (uint)cpuclockrate);
}
BoardSystemHardReset();
//check fceux's PowerNES and FCEU_MemoryRand function for more information:
//relevant games: Cybernoid; Minna no Taabou no Nakayoshi Daisakusen; Huang Di; and maybe mechanized attack
for (int i = 0; i < 0x800; i++)
{
if ((i & 4) != 0)
{
ram[i] = 0xFF;
}
else
{
ram[i] = 0x00;
}
}
SetupMemoryDomains();
//in this emulator, reset takes place instantaneously
cpu.PC = (ushort)(ReadMemory(0xFFFC) | (ReadMemory(0xFFFD) << 8));
cpu.P = 0x34;
cpu.S = 0xFD;
}
public void HardReset()
{
cpu = new MOS6502X <CpuLink>(new CpuLink(this))
{
BCD_Enabled = false
};
ppu = new PPU(this);
ram = new byte[0x800];
CIRAM = new byte[0x800];
// wire controllers
// todo: allow changing this
ControllerDeck = ControllerSettings.Instantiate(ppu.LightGunCallback);
// set controller definition first time only
if (ControllerDefinition == null)
{
ControllerDefinition = new ControllerDefinition(ControllerDeck.GetDefinition())
{
Name = "NES Controller"
};
// controls other than the deck
ControllerDefinition.BoolButtons.Add("Power");
ControllerDefinition.BoolButtons.Add("Reset");
if (Board is FDS b)
{
ControllerDefinition.BoolButtons.Add("FDS Eject");
for (int i = 0; i < b.NumSides; i++)
{
ControllerDefinition.BoolButtons.Add("FDS Insert " + i);
}
}
if (_isVS)
{
ControllerDefinition.BoolButtons.Add("Insert Coin P1");
ControllerDefinition.BoolButtons.Add("Insert Coin P2");
ControllerDefinition.BoolButtons.Add("Service Switch");
}
}
// Add in the reset timing axis for subneshawk
if (using_reset_timing && ControllerDefinition.Axes.Count == 0)
{
ControllerDefinition.AddAxis("Reset Cycle", 0.RangeTo(500000), 0);
}
// don't replace the magicSoundProvider on reset, as it's not needed
// if (magicSoundProvider != null) magicSoundProvider.Dispose();
// set up region
switch (_display_type)
{
case DisplayType.PAL:
apu = new APU(this, apu, true);
ppu.region = PPU.Region.PAL;
cpuclockrate = 1662607;
VsyncNum = cpuclockrate * 2;
VsyncDen = 66495;
cpu_sequence = cpu_sequence_PAL;
_display_type = DisplayType.PAL;
ClockRate = 5320342.5;
break;
case DisplayType.NTSC:
apu = new APU(this, apu, false);
ppu.region = PPU.Region.NTSC;
cpuclockrate = 1789773;
VsyncNum = cpuclockrate * 2;
VsyncDen = 59561;
cpu_sequence = cpu_sequence_NTSC;
ClockRate = 5369318.1818181818181818181818182;
break;
// this is in bootgod, but not used at all
case DisplayType.Dendy:
apu = new APU(this, apu, false);
ppu.region = PPU.Region.Dendy;
cpuclockrate = 1773448;
VsyncNum = cpuclockrate;
VsyncDen = 35464;
cpu_sequence = cpu_sequence_NTSC;
_display_type = DisplayType.Dendy;
ClockRate = 5320342.5;
break;
default:
throw new Exception("Unknown displaytype!");
}
blip.SetRates((uint)cpuclockrate, 44100);
BoardSystemHardReset();
// apu has some specific power up bahaviour that we will emulate here
apu.NESHardReset();
if (SyncSettings.InitialWRamStatePattern != null && SyncSettings.InitialWRamStatePattern.Any())
{
for (int i = 0; i < 0x800; i++)
{
ram[i] = SyncSettings.InitialWRamStatePattern[i % SyncSettings.InitialWRamStatePattern.Count];
}
}
else
{
// check fceux's PowerNES and FCEU_MemoryRand function for more information:
// relevant games: Cybernoid; Minna no Taabou no Nakayoshi Daisakusen; Huang Di; and maybe mechanized attack
for (int i = 0; i < 0x800; i++)
{
if ((i & 4) != 0)
{
ram[i] = 0xFF;
}
else
{
ram[i] = 0x00;
}
}
}
SetupMemoryDomains();
// some boards cannot have specific values in RAM upon initialization
// Let's hard code those cases here
// these will be defined through the gameDB exclusively for now.
if (cart.GameInfo != null)
{
if (cart.GameInfo.Hash is RomChecksums.CamericaGolden5 or RomChecksums.CamericaGolden5Overdump or RomChecksums.CamericaPegasus4in1)
{
ram[0x701] = 0xFF;
}
else if (cart.GameInfo.Hash == RomChecksums.DancingBlocks)
{
ram[0xEC] = 0;
ram[0xED] = 0;
}
else if (cart.GameInfo.Hash == RomChecksums.SilvaSaga)
{
for (int i = 0; i < Board.Wram.Length; i++)
{
Board.Wram[i] = 0xFF;
}
}
}
