public void Crc16IbmRandomData()
{
byte[] data = new byte[1048576];
var fs = new FileStream(Path.Combine(Consts.TEST_FILES_ROOT, "Checksum test files", "random"),
FileMode.Open, FileAccess.Read);
fs.Read(data, 0, 1048576);
fs.Close();
fs.Dispose();
CRC16IBMContext.Data(data, out byte[] result);
Assert.AreEqual(_expectedRandom, result);
}
public void RandomData()
{
byte[] data = new byte[1048576];
var fs = new FileStream(Path.Combine(Consts.TEST_FILES_ROOT, "Checksum test files", "random"),
FileMode.Open, FileAccess.Read);
fs.Read(data, 0, 1048576);
fs.Close();
fs.Dispose();
CRC16IBMContext.Data(data, out byte[] result);
result.Should().BeEquivalentTo(_expectedRandom);
}
public void EmptyInstance()
{
byte[] data = new byte[1048576];
var fs = new FileStream(Path.Combine(Consts.TEST_FILES_ROOT, "Checksum test files", "empty"), FileMode.Open,
FileAccess.Read);
fs.Read(data, 0, 1048576);
fs.Close();
fs.Dispose();
IChecksum ctx = new CRC16IBMContext();
ctx.Update(data);
byte[] result = ctx.Final();
result.Should().BeEquivalentTo(_expectedEmpty);
}
public void Crc16IbmRandomInstance()
{
byte[] data = new byte[1048576];
var fs = new FileStream(Path.Combine(Consts.TEST_FILES_ROOT, "Checksum test files", "random"),
FileMode.Open, FileAccess.Read);
fs.Read(data, 0, 1048576);
fs.Close();
fs.Dispose();
IChecksum ctx = new CRC16IBMContext();
ctx.Update(data);
byte[] result = ctx.Final();
Assert.AreEqual(_expectedRandom, result);
}
internal static List <ChecksumType> GetChecksums(byte[] data, EnableChecksum enabled = EnableChecksum.All)
{
IChecksum adler32CtxData = null;
IChecksum crc16CtxData = null;
IChecksum crc32CtxData = null;
IChecksum crc64CtxData = null;
IChecksum md5CtxData = null;
IChecksum sha1CtxData = null;
IChecksum sha256CtxData = null;
IChecksum sha384CtxData = null;
IChecksum sha512CtxData = null;
IChecksum ssctxData = null;
IChecksum f16CtxData = null;
IChecksum f32CtxData = null;
var adlerThreadData = new Thread(UpdateHash);
var crc16ThreadData = new Thread(UpdateHash);
var crc32ThreadData = new Thread(UpdateHash);
var crc64ThreadData = new Thread(UpdateHash);
var md5ThreadData = new Thread(UpdateHash);
var sha1ThreadData = new Thread(UpdateHash);
var sha256ThreadData = new Thread(UpdateHash);
var sha384ThreadData = new Thread(UpdateHash);
var sha512ThreadData = new Thread(UpdateHash);
var spamsumThreadData = new Thread(UpdateHash);
var f16ThreadData = new Thread(UpdateHash);
var f32ThreadData = new Thread(UpdateHash);
if (enabled.HasFlag(EnableChecksum.Adler32))
{
adler32CtxData = new Adler32Context();
var adlerPktData = new HashPacket
{
Context = adler32CtxData,
Data = data
};
adlerThreadData.Start(adlerPktData);
}
if (enabled.HasFlag(EnableChecksum.Crc16))
{
crc16CtxData = new CRC16IBMContext();
var crc16PktData = new HashPacket
{
Context = crc16CtxData,
Data = data
};
crc16ThreadData.Start(crc16PktData);
}
if (enabled.HasFlag(EnableChecksum.Crc32))
{
crc32CtxData = new Crc32Context();
var crc32PktData = new HashPacket
{
Context = crc32CtxData,
Data = data
};
crc32ThreadData.Start(crc32PktData);
}
if (enabled.HasFlag(EnableChecksum.Crc64))
{
crc64CtxData = new Crc64Context();
var crc64PktData = new HashPacket
{
Context = crc64CtxData,
Data = data
};
crc64ThreadData.Start(crc64PktData);
}
if (enabled.HasFlag(EnableChecksum.Md5))
{
md5CtxData = new Md5Context();
var md5PktData = new HashPacket
{
Context = md5CtxData,
Data = data
};
md5ThreadData.Start(md5PktData);
}
if (enabled.HasFlag(EnableChecksum.Sha1))
{
sha1CtxData = new Sha1Context();
var sha1PktData = new HashPacket
{
Context = sha1CtxData,
Data = data
};
sha1ThreadData.Start(sha1PktData);
}
if (enabled.HasFlag(EnableChecksum.Sha256))
{
sha256CtxData = new Sha256Context();
var sha256PktData = new HashPacket
{
Context = sha256CtxData,
Data = data
};
sha256ThreadData.Start(sha256PktData);
}
if (enabled.HasFlag(EnableChecksum.Sha384))
{
sha384CtxData = new Sha384Context();
var sha384PktData = new HashPacket
{
Context = sha384CtxData,
Data = data
};
sha384ThreadData.Start(sha384PktData);
}
if (enabled.HasFlag(EnableChecksum.Sha512))
{
sha512CtxData = new Sha512Context();
var sha512PktData = new HashPacket
{
Context = sha512CtxData,
Data = data
};
sha512ThreadData.Start(sha512PktData);
}
if (enabled.HasFlag(EnableChecksum.SpamSum))
{
ssctxData = new SpamSumContext();
var spamsumPktData = new HashPacket
{
Context = ssctxData,
Data = data
};
spamsumThreadData.Start(spamsumPktData);
}
if (enabled.HasFlag(EnableChecksum.Fletcher16))
{
f16CtxData = new Fletcher16Context();
var f16PktData = new HashPacket
{
Context = f16CtxData,
Data = data
};
f16ThreadData.Start(f16PktData);
}
if (enabled.HasFlag(EnableChecksum.Fletcher32))
{
f32CtxData = new Fletcher32Context();
var f32PktData = new HashPacket
{
Context = f32CtxData,
Data = data
};
f32ThreadData.Start(f32PktData);
}
while (adlerThreadData.IsAlive ||
crc16ThreadData.IsAlive ||
crc32ThreadData.IsAlive ||
crc64ThreadData.IsAlive ||
md5ThreadData.IsAlive ||
sha1ThreadData.IsAlive ||
sha256ThreadData.IsAlive ||
sha384ThreadData.IsAlive ||
sha512ThreadData.IsAlive ||
spamsumThreadData.IsAlive ||
f16ThreadData.IsAlive ||
f32ThreadData.IsAlive)
{
}
List <ChecksumType> dataChecksums = new List <ChecksumType>();
ChecksumType chk;
if (enabled.HasFlag(EnableChecksum.Adler32))
{
chk = new ChecksumType
{
type = ChecksumTypeType.adler32,
Value = adler32CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Crc16))
{
chk = new ChecksumType
{
type = ChecksumTypeType.crc16,
Value = crc16CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Crc32))
{
chk = new ChecksumType
{
type = ChecksumTypeType.crc32,
Value = crc32CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Crc64))
{
chk = new ChecksumType
{
type = ChecksumTypeType.crc64,
Value = crc64CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Md5))
{
chk = new ChecksumType
{
type = ChecksumTypeType.md5,
Value = md5CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Sha1))
{
chk = new ChecksumType
{
type = ChecksumTypeType.sha1,
Value = sha1CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Sha256))
{
chk = new ChecksumType
{
type = ChecksumTypeType.sha256,
Value = sha256CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Sha384))
{
chk = new ChecksumType
{
type = ChecksumTypeType.sha384,
Value = sha384CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Sha512))
{
chk = new ChecksumType
{
type = ChecksumTypeType.sha512,
Value = sha512CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.SpamSum))
{
chk = new ChecksumType
{
type = ChecksumTypeType.spamsum,
Value = ssctxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Fletcher16))
{
chk = new ChecksumType
{
type = ChecksumTypeType.fletcher16,
Value = f16CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Fletcher32))
{
chk = new ChecksumType
{
type = ChecksumTypeType.fletcher32,
Value = f32CtxData.End()
};
dataChecksums.Add(chk);
}
return(dataChecksums);
}
public bool Open(IFilter imageFilter)
{
Stream stream = imageFilter.GetDataForkStream();
stream.Seek(0, SeekOrigin.Begin);
if (stream.Length < 512)
{
return(false);
}
byte[] headerB = new byte[256];
stream.Read(headerB, 0, 256);
CpcDiskInfo header = Marshal.ByteArrayToStructureLittleEndian <CpcDiskInfo>(headerB);
if (!_cpcdskId.SequenceEqual(header.magic.Take(_cpcdskId.Length)) &&
!_edskId.SequenceEqual(header.magic) &&
!_du54Id.SequenceEqual(header.magic))
{
return(false);
}
_extended = _edskId.SequenceEqual(header.magic);
AaruConsole.DebugWriteLine("CPCDSK plugin", "Extended = {0}", _extended);
AaruConsole.DebugWriteLine("CPCDSK plugin", "header.magic = \"{0}\"",
StringHandlers.CToString(header.magic));
AaruConsole.DebugWriteLine("CPCDSK plugin", "header.magic2 = \"{0}\"",
StringHandlers.CToString(header.magic2));
AaruConsole.DebugWriteLine("CPCDSK plugin", "header.creator = \"{0}\"",
StringHandlers.CToString(header.creator));
AaruConsole.DebugWriteLine("CPCDSK plugin", "header.tracks = {0}", header.tracks);
AaruConsole.DebugWriteLine("CPCDSK plugin", "header.sides = {0}", header.sides);
if (!_extended)
{
AaruConsole.DebugWriteLine("CPCDSK plugin", "header.tracksize = {0}", header.tracksize);
}
else
{
for (int i = 0; i < header.tracks; i++)
{
for (int j = 0; j < header.sides; j++)
{
AaruConsole.DebugWriteLine("CPCDSK plugin", "Track {0} Side {1} size = {2}", i, j,
header.tracksizeTable[(i * header.sides) + j] * 256);
}
}
}
ulong currentSector = 0;
_sectors = new Dictionary <ulong, byte[]>();
_addressMarks = new Dictionary <ulong, byte[]>();
ulong readtracks = 0;
bool allTracksSameSize = true;
ulong sectorsPerTrack = 0;
// Seek to first track descriptor
stream.Seek(256, SeekOrigin.Begin);
for (int i = 0; i < header.tracks; i++)
{
for (int j = 0; j < header.sides; j++)
{
// Track not stored in image
if (_extended && header.tracksizeTable[(i * header.sides) + j] == 0)
{
continue;
}
long trackPos = stream.Position;
byte[] trackB = new byte[256];
stream.Read(trackB, 0, 256);
CpcTrackInfo trackInfo = Marshal.ByteArrayToStructureLittleEndian <CpcTrackInfo>(trackB);
if (!_trackId.SequenceEqual(trackInfo.magic))
{
AaruConsole.ErrorWriteLine("Not the expected track info.");
return(false);
}
AaruConsole.DebugWriteLine("CPCDSK plugin", "trackInfo[{1}:{2}].magic = \"{0}\"",
StringHandlers.CToString(trackInfo.magic), i, j);
AaruConsole.DebugWriteLine("CPCDSK plugin", "trackInfo[{1}:{2}].bps = {0}",
SizeCodeToBytes(trackInfo.bps), i, j);
AaruConsole.DebugWriteLine("CPCDSK plugin", "trackInfo[{1}:{2}].dataRate = {0}", trackInfo.dataRate,
i, j);
AaruConsole.DebugWriteLine("CPCDSK plugin", "trackInfo[{1}:{2}].filler = 0x{0:X2}",
trackInfo.filler, i, j);
AaruConsole.DebugWriteLine("CPCDSK plugin", "trackInfo[{1}:{2}].gap3 = 0x{0:X2}", trackInfo.gap3, i,
j);
AaruConsole.DebugWriteLine("CPCDSK plugin", "trackInfo[{1}:{2}].padding = {0}", trackInfo.padding,
i, j);
AaruConsole.DebugWriteLine("CPCDSK plugin", "trackInfo[{1}:{2}].recordingMode = {0}",
trackInfo.recordingMode, i, j);
AaruConsole.DebugWriteLine("CPCDSK plugin", "trackInfo[{1}:{2}].sectors = {0}", trackInfo.sectors,
i, j);
AaruConsole.DebugWriteLine("CPCDSK plugin", "trackInfo[{1}:{2}].side = {0}", trackInfo.side, i, j);
AaruConsole.DebugWriteLine("CPCDSK plugin", "trackInfo[{1}:{2}].track = {0}", trackInfo.track, i,
j);
if (trackInfo.sectors != sectorsPerTrack)
{
if (sectorsPerTrack == 0)
{
sectorsPerTrack = trackInfo.sectors;
}
else
{
allTracksSameSize = false;
}
}
byte[][] thisTrackSectors = new byte[trackInfo.sectors][];
byte[][] thisTrackAddressMarks = new byte[trackInfo.sectors][];
for (int k = 1; k <= trackInfo.sectors; k++)
{
AaruConsole.DebugWriteLine("CPCDSK plugin", "trackInfo[{1}:{2}].sector[{3}].id = 0x{0:X2}",
trackInfo.sectorsInfo[k - 1].id, i, j, k);
AaruConsole.DebugWriteLine("CPCDSK plugin", "trackInfo[{1}:{2}].sector[{3}].len = {0}",
trackInfo.sectorsInfo[k - 1].len, i, j, k);
AaruConsole.DebugWriteLine("CPCDSK plugin", "trackInfo[{1}:{2}].sector[{3}].side = {0}",
trackInfo.sectorsInfo[k - 1].side, i, j, k);
AaruConsole.DebugWriteLine("CPCDSK plugin", "trackInfo[{1}:{2}].sector[{3}].size = {0}",
SizeCodeToBytes(trackInfo.sectorsInfo[k - 1].size), i, j, k);
AaruConsole.DebugWriteLine("CPCDSK plugin", "trackInfo[{1}:{2}].sector[{3}].st1 = 0x{0:X2}",
trackInfo.sectorsInfo[k - 1].st1, i, j, k);
AaruConsole.DebugWriteLine("CPCDSK plugin", "trackInfo[{1}:{2}].sector[{3}].st2 = 0x{0:X2}",
trackInfo.sectorsInfo[k - 1].st2, i, j, k);
AaruConsole.DebugWriteLine("CPCDSK plugin", "trackInfo[{1}:{2}].sector[{3}].track = {0}",
trackInfo.sectorsInfo[k - 1].track, i, j, k);
int sectLen = _extended ? trackInfo.sectorsInfo[k - 1].len
: SizeCodeToBytes(trackInfo.sectorsInfo[k - 1].size);
byte[] sector = new byte[sectLen];
stream.Read(sector, 0, sectLen);
if (sectLen < SizeCodeToBytes(trackInfo.sectorsInfo[k - 1].size))
{
byte[] temp = new byte[SizeCodeToBytes(trackInfo.sectorsInfo[k - 1].size)];
Array.Copy(sector, 0, temp, 0, sector.Length);
sector = temp;
}
else if (sectLen > SizeCodeToBytes(trackInfo.sectorsInfo[k - 1].size))
{
byte[] temp = new byte[SizeCodeToBytes(trackInfo.sectorsInfo[k - 1].size)];
Array.Copy(sector, 0, temp, 0, temp.Length);
sector = temp;
}
thisTrackSectors[(trackInfo.sectorsInfo[k - 1].id & 0x3F) - 1] = sector;
byte[] amForCrc = new byte[8];
amForCrc[0] = 0xA1;
amForCrc[1] = 0xA1;
amForCrc[2] = 0xA1;
amForCrc[3] = (byte)IBMIdType.AddressMark;
amForCrc[4] = trackInfo.sectorsInfo[k - 1].track;
amForCrc[5] = trackInfo.sectorsInfo[k - 1].side;
amForCrc[6] = trackInfo.sectorsInfo[k - 1].id;
amForCrc[7] = (byte)trackInfo.sectorsInfo[k - 1].size;
CRC16IBMContext.Data(amForCrc, 8, out byte[] amCrc);
byte[] addressMark = new byte[22];
Array.Copy(amForCrc, 0, addressMark, 12, 8);
Array.Copy(amCrc, 0, addressMark, 20, 2);
thisTrackAddressMarks[(trackInfo.sectorsInfo[k - 1].id & 0x3F) - 1] = addressMark;
}
for (int s = 0; s < thisTrackSectors.Length; s++)
{
_sectors.Add(currentSector, thisTrackSectors[s]);
_addressMarks.Add(currentSector, thisTrackAddressMarks[s]);
currentSector++;
if (thisTrackSectors[s].Length > _imageInfo.SectorSize)
{
_imageInfo.SectorSize = (uint)thisTrackSectors[s].Length;
}
}
stream.Seek(trackPos, SeekOrigin.Begin);
if (_extended)
{
stream.Seek(header.tracksizeTable[(i * header.sides) + j] * 256, SeekOrigin.Current);
_imageInfo.ImageSize += (ulong)(header.tracksizeTable[(i * header.sides) + j] * 256) - 256;
}
else
{
stream.Seek(header.tracksize, SeekOrigin.Current);
_imageInfo.ImageSize += (ulong)header.tracksize - 256;
}
readtracks++;
}
}
AaruConsole.DebugWriteLine("CPCDSK plugin", "Read {0} sectors", _sectors.Count);
AaruConsole.DebugWriteLine("CPCDSK plugin", "Read {0} tracks", readtracks);
AaruConsole.DebugWriteLine("CPCDSK plugin", "All tracks are same size? {0}", allTracksSameSize);
_imageInfo.Application = StringHandlers.CToString(header.creator);
_imageInfo.CreationTime = imageFilter.GetCreationTime();
_imageInfo.LastModificationTime = imageFilter.GetLastWriteTime();
_imageInfo.MediaTitle = Path.GetFileNameWithoutExtension(imageFilter.GetFilename());
_imageInfo.Sectors = (ulong)_sectors.Count;
_imageInfo.XmlMediaType = XmlMediaType.BlockMedia;
_imageInfo.MediaType = MediaType.CompactFloppy;
_imageInfo.ReadableSectorTags.Add(SectorTagType.FloppyAddressMark);
// Debug writing full disk as raw
/*
* FileStream foo = new FileStream(Path.GetFileNameWithoutExtension(imageFilter.GetFilename()) + ".bin", FileMode.Create);
* for(ulong i = 0; i < (ulong)sectors.Count; i++)
* {
* byte[] foob;
* sectors.TryGetValue(i, out foob);
* foo.Write(foob, 0, foob.Length);
* }
* foo.Close();
*/
_imageInfo.Cylinders = header.tracks;
_imageInfo.Heads = header.sides;
_imageInfo.SectorsPerTrack = (uint)(_imageInfo.Sectors / (_imageInfo.Cylinders * _imageInfo.Heads));
return(true);
}
public void EmptyFile()
{
byte[] result = CRC16IBMContext.File(Path.Combine(Consts.TEST_FILES_ROOT, "Checksum test files", "empty"));
result.Should().BeEquivalentTo(_expectedEmpty);
}
public void Crc16IbmEmptyFile()
{
byte[] result = CRC16IBMContext.File(Path.Combine(Consts.TEST_FILES_ROOT, "Checksum test files", "empty"));
Assert.AreEqual(_expectedEmpty, result);
}
public bool Open(IFilter imageFilter)
{
Stream stream = imageFilter.GetDataForkStream();
stream.Seek(0, SeekOrigin.Begin);
if (stream.Length < 512)
{
return(false);
}
byte[] headerB = new byte[256];
stream.Read(headerB, 0, 256);
int pos;
for (pos = 0; pos < 254; pos++)
{
if (headerB[pos] == 0x0D &&
headerB[pos + 1] == 0x0A)
{
break;
}
}
if (pos >= 254)
{
return(false);
}
string magic = Encoding.ASCII.GetString(headerB, 0, pos);
stream.Position = pos + 2;
stream.Read(headerB, 0, 256);
DiskInfo header = Marshal.ByteArrayToStructureLittleEndian <DiskInfo>(headerB);
if (string.Compare(_cpcdskId, magic, StringComparison.InvariantCultureIgnoreCase) != 0 &&
string.Compare(_edskId, magic, StringComparison.InvariantCultureIgnoreCase) != 0 &&
string.Compare(_du54Id, magic, StringComparison.InvariantCultureIgnoreCase) != 0)
{
return(false);
}
_extended = string.Compare(_edskId, magic, StringComparison.InvariantCultureIgnoreCase) == 0;
AaruConsole.DebugWriteLine("CPCDSK plugin", "Extended = {0}", _extended);
AaruConsole.DebugWriteLine("CPCDSK plugin", "magic = \"{0}\"", magic);
AaruConsole.DebugWriteLine("CPCDSK plugin", "header.magic = \"{0}\"",
StringHandlers.CToString(header.magic));
AaruConsole.DebugWriteLine("CPCDSK plugin", "header.creator = \"{0}\"",
StringHandlers.CToString(header.creator));
AaruConsole.DebugWriteLine("CPCDSK plugin", "header.tracks = {0}", header.tracks);
AaruConsole.DebugWriteLine("CPCDSK plugin", "header.sides = {0}", header.sides);
if (!_extended)
{
AaruConsole.DebugWriteLine("CPCDSK plugin", "header.tracksize = {0}", header.tracksize);
}
else
{
for (int i = 0; i < header.tracks; i++)
{
for (int j = 0; j < header.sides; j++)
{
AaruConsole.DebugWriteLine("CPCDSK plugin", "Track {0} Side {1} size = {2}", i, j,
header.tracksizeTable[(i * header.sides) + j] * 256);
}
}
}
ulong currentSector = 0;
_sectors = new Dictionary <ulong, byte[]>();
_addressMarks = new Dictionary <ulong, byte[]>();
ulong readtracks = 0;
bool allTracksSameSize = true;
ulong sectorsPerTrack = 0;
// Seek to first track descriptor
stream.Seek(256, SeekOrigin.Begin);
for (int i = 0; i < header.tracks; i++)
{
for (int j = 0; j < header.sides; j++)
{
// Track not stored in image
if (_extended && header.tracksizeTable[(i * header.sides) + j] == 0)
{
continue;
}
long trackPos = stream.Position;
byte[] trackB = new byte[256];
stream.Read(trackB, 0, 256);
TrackInfo trackInfo = Marshal.ByteArrayToStructureLittleEndian <TrackInfo>(trackB);
if (string.Compare(_trackId, Encoding.ASCII.GetString(trackInfo.magic),
StringComparison.InvariantCultureIgnoreCase) != 0)
{
AaruConsole.ErrorWriteLine("Not the expected track info.");
return(false);
}
AaruConsole.DebugWriteLine("CPCDSK plugin", "trackInfo[{1}:{2}].magic = \"{0}\"",
StringHandlers.CToString(trackInfo.magic), i, j);
AaruConsole.DebugWriteLine("CPCDSK plugin", "trackInfo[{1}:{2}].bps = {0}",
SizeCodeToBytes(trackInfo.bps), i, j);
AaruConsole.DebugWriteLine("CPCDSK plugin", "trackInfo[{1}:{2}].dataRate = {0}", trackInfo.dataRate,
i, j);
AaruConsole.DebugWriteLine("CPCDSK plugin", "trackInfo[{1}:{2}].filler = 0x{0:X2}",
trackInfo.filler, i, j);
AaruConsole.DebugWriteLine("CPCDSK plugin", "trackInfo[{1}:{2}].gap3 = 0x{0:X2}", trackInfo.gap3, i,
j);
AaruConsole.DebugWriteLine("CPCDSK plugin", "trackInfo[{1}:{2}].padding = {0}", trackInfo.padding,
i, j);
AaruConsole.DebugWriteLine("CPCDSK plugin", "trackInfo[{1}:{2}].recordingMode = {0}",
trackInfo.recordingMode, i, j);
AaruConsole.DebugWriteLine("CPCDSK plugin", "trackInfo[{1}:{2}].sectors = {0}", trackInfo.sectors,
i, j);
AaruConsole.DebugWriteLine("CPCDSK plugin", "trackInfo[{1}:{2}].side = {0}", trackInfo.side, i, j);
AaruConsole.DebugWriteLine("CPCDSK plugin", "trackInfo[{1}:{2}].track = {0}", trackInfo.track, i,
j);
if (trackInfo.sectors != sectorsPerTrack)
{
if (sectorsPerTrack == 0)
{
sectorsPerTrack = trackInfo.sectors;
}
else
{
allTracksSameSize = false;
}
}
Dictionary <int, byte[]> thisTrackSectors = new Dictionary <int, byte[]>();
Dictionary <int, byte[]> thisTrackAddressMarks = new Dictionary <int, byte[]>();
for (int k = 1; k <= trackInfo.sectors; k++)
{
AaruConsole.DebugWriteLine("CPCDSK plugin", "trackInfo[{1}:{2}].sector[{3}].id = 0x{0:X2}",
trackInfo.sectorsInfo[k - 1].id, i, j, k);
AaruConsole.DebugWriteLine("CPCDSK plugin", "trackInfo[{1}:{2}].sector[{3}].len = {0}",
trackInfo.sectorsInfo[k - 1].len, i, j, k);
AaruConsole.DebugWriteLine("CPCDSK plugin", "trackInfo[{1}:{2}].sector[{3}].side = {0}",
trackInfo.sectorsInfo[k - 1].side, i, j, k);
AaruConsole.DebugWriteLine("CPCDSK plugin", "trackInfo[{1}:{2}].sector[{3}].size = {0}",
SizeCodeToBytes(trackInfo.sectorsInfo[k - 1].size), i, j, k);
AaruConsole.DebugWriteLine("CPCDSK plugin", "trackInfo[{1}:{2}].sector[{3}].st1 = 0x{0:X2}",
trackInfo.sectorsInfo[k - 1].st1, i, j, k);
AaruConsole.DebugWriteLine("CPCDSK plugin", "trackInfo[{1}:{2}].sector[{3}].st2 = 0x{0:X2}",
trackInfo.sectorsInfo[k - 1].st2, i, j, k);
AaruConsole.DebugWriteLine("CPCDSK plugin", "trackInfo[{1}:{2}].sector[{3}].track = {0}",
trackInfo.sectorsInfo[k - 1].track, i, j, k);
int sectLen = _extended ? trackInfo.sectorsInfo[k - 1].len
: SizeCodeToBytes(trackInfo.sectorsInfo[k - 1].size);
byte[] sector = new byte[sectLen];
stream.Read(sector, 0, sectLen);
if (sectLen < SizeCodeToBytes(trackInfo.sectorsInfo[k - 1].size))
{
byte[] temp = new byte[SizeCodeToBytes(trackInfo.sectorsInfo[k - 1].size)];
Array.Copy(sector, 0, temp, 0, sector.Length);
sector = temp;
}
else if (sectLen > SizeCodeToBytes(trackInfo.sectorsInfo[k - 1].size))
{
byte[] temp = new byte[SizeCodeToBytes(trackInfo.sectorsInfo[k - 1].size)];
Array.Copy(sector, 0, temp, 0, temp.Length);
sector = temp;
}
thisTrackSectors[(trackInfo.sectorsInfo[k - 1].id & 0x3F) - 1] = sector;
byte[] amForCrc = new byte[8];
amForCrc[0] = 0xA1;
amForCrc[1] = 0xA1;
amForCrc[2] = 0xA1;
amForCrc[3] = (byte)IBMIdType.AddressMark;
amForCrc[4] = trackInfo.sectorsInfo[k - 1].track;
amForCrc[5] = trackInfo.sectorsInfo[k - 1].side;
amForCrc[6] = trackInfo.sectorsInfo[k - 1].id;
amForCrc[7] = (byte)trackInfo.sectorsInfo[k - 1].size;
CRC16IBMContext.Data(amForCrc, 8, out byte[] amCrc);
byte[] addressMark = new byte[22];
Array.Copy(amForCrc, 0, addressMark, 12, 8);
Array.Copy(amCrc, 0, addressMark, 20, 2);
thisTrackAddressMarks[(trackInfo.sectorsInfo[k - 1].id & 0x3F) - 1] = addressMark;
}
foreach (KeyValuePair <int, byte[]> s in thisTrackSectors.OrderBy(k => k.Key))
{
_sectors.Add(currentSector, s.Value);
_addressMarks.Add(currentSector, s.Value);
currentSector++;
if (s.Value.Length > _imageInfo.SectorSize)
{
_imageInfo.SectorSize = (uint)s.Value.Length;
}
}
stream.Seek(trackPos, SeekOrigin.Begin);
if (_extended)
{
stream.Seek(header.tracksizeTable[(i * header.sides) + j] * 256, SeekOrigin.Current);
_imageInfo.ImageSize += (ulong)(header.tracksizeTable[(i * header.sides) + j] * 256) - 256;
}
else
{
stream.Seek(header.tracksize, SeekOrigin.Current);
_imageInfo.ImageSize += (ulong)header.tracksize - 256;
}
readtracks++;
}
}
AaruConsole.DebugWriteLine("CPCDSK plugin", "Read {0} sectors", _sectors.Count);
AaruConsole.DebugWriteLine("CPCDSK plugin", "Read {0} tracks", readtracks);
AaruConsole.DebugWriteLine("CPCDSK plugin", "All tracks are same size? {0}", allTracksSameSize);
_imageInfo.Application = StringHandlers.CToString(header.creator);
_imageInfo.CreationTime = imageFilter.GetCreationTime();
_imageInfo.LastModificationTime = imageFilter.GetLastWriteTime();
_imageInfo.MediaTitle = Path.GetFileNameWithoutExtension(imageFilter.GetFilename());
_imageInfo.Sectors = (ulong)_sectors.Count;
_imageInfo.XmlMediaType = XmlMediaType.BlockMedia;
_imageInfo.MediaType = MediaType.CompactFloppy;
_imageInfo.ReadableSectorTags.Add(SectorTagType.FloppyAddressMark);
_imageInfo.Cylinders = header.tracks;
_imageInfo.Heads = header.sides;
_imageInfo.SectorsPerTrack = (uint)(_imageInfo.Sectors / (_imageInfo.Cylinders * _imageInfo.Heads));
return(true);
}