Added support for Spectrum floppy disk images.

This commit is contained in:
2017-09-16 21:21:17 +01:00
parent 860a2728d7
commit efdd7d9be6
4 changed files with 546 additions and 1 deletions

View File

@@ -45,6 +45,9 @@
<Reference Include="DotNetZip">
<HintPath>..\packages\DotNetZip.1.10.1\lib\net20\DotNetZip.dll</HintPath>
</Reference>
<Reference Include="System.ValueTuple">
<HintPath>..\packages\System.ValueTuple.4.4.0\lib\portable-net40+sl4+win8+wp8\System.ValueTuple.dll</HintPath>
</Reference>
</ItemGroup>
<ItemGroup>
<Compile Include="Properties\AssemblyInfo.cs" />
@@ -91,6 +94,7 @@
<Compile Include="CisCopy.cs" />
<Compile Include="DriDiskCopy.cs" />
<Compile Include="RsIde.cs" />
<Compile Include="UkvFdi.cs" />
</ItemGroup>
<Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
<ItemGroup>
@@ -133,7 +137,7 @@
<Policies>
<StandardHeader IncludeInNewFiles="True" Text="/***************************************************************************&#xA;The Disc Image Chef&#xA;----------------------------------------------------------------------------&#xA; &#xA;Filename : ${FileName}&#xA;Author(s) : ${AuthorName} &lt;${AuthorEmail}&gt;&#xA;&#xA;Component : Component&#xA; &#xA;--[ Description ] ----------------------------------------------------------&#xA; &#xA; Description&#xA; &#xA;--[ License ] --------------------------------------------------------------&#xA; &#xA; This library is free software; you can redistribute it and/or modify&#xA; it under the terms of the GNU Lesser General Public License as&#xA; published by the Free Software Foundation; either version 2.1 of the&#xA; License, or (at your option) any later version.&#xA;&#xA; This library is distributed in the hope that it will be useful, but&#xA; WITHOUT ANY WARRANTY; without even the implied warranty of&#xA; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU&#xA; Lesser General Public License for more details.&#xA;&#xA; You should have received a copy of the GNU Lesser General Public&#xA; License along with this library; if not, see &lt;http://www.gnu.org/licenses/&gt;.&#xA;&#xA;----------------------------------------------------------------------------&#xA;Copyright © 2011-${Year} ${CopyrightHolder}&#xA;****************************************************************************/" />
<TextStylePolicy FileWidth="120" TabWidth="4" TabsToSpaces="False" IndentWidth="4" RemoveTrailingWhitespace="True" NoTabsAfterNonTabs="False" EolMarker="Unix" scope="text/x-csharp" />
<CSharpFormattingPolicy IndentBlock="True" IndentBraces="False" IndentSwitchSection="True" IndentSwitchCaseSection="True" LabelPositioning="OneLess" NewLinesForBracesInTypes="True" NewLinesForBracesInMethods="True" NewLinesForBracesInProperties="True" NewLinesForBracesInAccessors="True" NewLinesForBracesInAnonymousMethods="True" NewLinesForBracesInControlBlocks="True" NewLinesForBracesInAnonymousTypes="True" NewLinesForBracesInObjectCollectionArrayInitializers="True" NewLinesForBracesInLambdaExpressionBody="True" NewLineForElse="True" NewLineForCatch="True" NewLineForFinally="True" SpacingAfterMethodDeclarationName="False" SpaceWithinMethodDeclarationParenthesis="False" SpaceBetweenEmptyMethodDeclarationParentheses="False" SpaceAfterMethodCallName="False" SpaceWithinMethodCallParentheses="False" SpaceBetweenEmptyMethodCallParentheses="False" SpaceAfterControlFlowStatementKeyword="False" SpaceWithinExpressionParentheses="False" SpaceWithinCastParentheses="False" SpaceWithinOtherParentheses="False" SpaceAfterCast="False" SpacesIgnoreAroundVariableDeclaration="False" SpaceBeforeOpenSquareBracket="False" SpaceBetweenEmptySquareBrackets="False" SpaceWithinSquareBrackets="False" SpaceAfterColonInBaseTypeDeclaration="True" SpaceAfterComma="True" SpaceAfterDot="False" SpaceAfterSemicolonsInForStatement="True" SpaceBeforeColonInBaseTypeDeclaration="True" SpaceBeforeComma="False" SpaceBeforeDot="False" SpaceBeforeSemicolonsInForStatement="False" SpacingAroundBinaryOperator="Single" WrappingPreserveSingleLine="True" WrappingKeepStatementsOnSingleLine="True" PlaceSystemDirectiveFirst="True" NewLineForMembersInObjectInit="False" NewLineForMembersInAnonymousTypes="False" NewLineForClausesInQuery="False" scope="text/x-csharp" />
<CSharpFormattingPolicy IndentBlock="True" IndentBraces="False" IndentSwitchSection="True" IndentSwitchCaseSection="True" LabelPositioning="OneLess" NewLinesForBracesInTypes="True" NewLinesForBracesInMethods="True" NewLinesForBracesInProperties="True" NewLinesForBracesInAccessors="True" NewLinesForBracesInAnonymousMethods="True" NewLinesForBracesInControlBlocks="True" NewLinesForBracesInAnonymousTypes="True" NewLinesForBracesInObjectCollectionArrayInitializers="True" NewLinesForBracesInLambdaExpressionBody="True" NewLineForElse="True" NewLineForCatch="True" NewLineForFinally="True" NewLineForMembersInObjectInit="False" NewLineForMembersInAnonymousTypes="False" NewLineForClausesInQuery="False" SpacingAfterMethodDeclarationName="False" SpaceWithinMethodDeclarationParenthesis="False" SpaceBetweenEmptyMethodDeclarationParentheses="False" SpaceAfterMethodCallName="False" SpaceWithinMethodCallParentheses="False" SpaceBetweenEmptyMethodCallParentheses="False" SpaceAfterControlFlowStatementKeyword="False" SpaceWithinExpressionParentheses="False" SpaceWithinCastParentheses="False" SpaceWithinOtherParentheses="False" SpaceAfterCast="False" SpacesIgnoreAroundVariableDeclaration="False" SpaceBeforeOpenSquareBracket="False" SpaceBetweenEmptySquareBrackets="False" SpaceWithinSquareBrackets="False" SpaceAfterColonInBaseTypeDeclaration="True" SpaceAfterComma="True" SpaceAfterDot="False" SpaceAfterSemicolonsInForStatement="True" SpaceBeforeColonInBaseTypeDeclaration="True" SpaceBeforeComma="False" SpaceBeforeDot="False" SpaceBeforeSemicolonsInForStatement="False" SpacingAroundBinaryOperator="Single" WrappingPreserveSingleLine="True" WrappingKeepStatementsOnSingleLine="True" PlaceSystemDirectiveFirst="True" scope="text/x-csharp" />
</Policies>
</Properties>
</MonoDevelop>

View File

@@ -0,0 +1,539 @@
// /***************************************************************************
// The Disc Image Chef
// ----------------------------------------------------------------------------
//
// Filename : UkvFdi.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Component
//
// --[ Description ] ----------------------------------------------------------
//
// Description
//
// --[ License ] --------------------------------------------------------------
//
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2011-2017 Natalia Portillo
// ****************************************************************************/
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using DiscImageChef.CommonTypes;
using DiscImageChef.Console;
using DiscImageChef.Filters;
namespace DiscImageChef.ImagePlugins
{
public class UkvFdi : ImagePlugin
{
#region Internal enumerations
[Flags]
enum DiskFlags : byte
{
WriteProtected = 1
}
[Flags]
enum SectorFlags : byte
{
CrcOk128 = 0x01,
CrcOk256 = 0x02,
CrcOk512 = 0x04,
CrcOk1024 = 0x08,
CrcOk2048 = 0x10,
CrcOk4096 = 0x20,
Deleted = 0x80,
}
#endregion
#region Internal constants
readonly byte[] signature = { 0x46, 0x44, 0x49 };
#endregion
#region Internal structures
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct FdiHeader
{
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 3)]
public byte[] magic;
public DiskFlags flags;
public ushort cylinders;
public ushort heads;
public ushort descOff;
public ushort dataOff;
public ushort addInfoLen;
}
#endregion
// Cylinder by head, sector data matrix
byte[][][][] sectorsData;
public UkvFdi()
{
Name = "Spectrum Floppy Disk Image";
PluginUUID = new Guid("DADFC9B2-67C1-42A3-B124-825528163FC0");
ImageInfo = new ImageInfo()
{
readableSectorTags = new List<SectorTagType>(),
readableMediaTags = new List<MediaTagType>(),
imageHasPartitions = false,
imageHasSessions = false,
imageVersion = null,
imageApplication = null,
imageApplicationVersion = null,
imageCreator = null,
imageComments = null,
mediaManufacturer = null,
mediaModel = null,
mediaSerialNumber = null,
mediaBarcode = null,
mediaPartNumber = null,
mediaSequence = 0,
lastMediaSequence = 0,
driveManufacturer = null,
driveModel = null,
driveSerialNumber = null,
driveFirmwareRevision = null
};
}
public override bool IdentifyImage(Filter imageFilter)
{
Stream stream = imageFilter.GetDataForkStream();
stream.Seek(0, SeekOrigin.Begin);
FdiHeader hdr = new FdiHeader();
if(stream.Length < Marshal.SizeOf(hdr))
return false;
byte[] hdr_b = new byte[Marshal.SizeOf(hdr)];
stream.Read(hdr_b, 0, hdr_b.Length);
GCHandle handle = GCHandle.Alloc(hdr_b, GCHandleType.Pinned);
hdr = (FdiHeader)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(FdiHeader));
handle.Free();
return hdr.magic.SequenceEqual(signature);
}
public override bool OpenImage(Filter imageFilter)
{
Stream stream = imageFilter.GetDataForkStream();
stream.Seek(0, SeekOrigin.Begin);
FdiHeader hdr = new FdiHeader();
if(stream.Length < Marshal.SizeOf(hdr))
return false;
byte[] hdr_b = new byte[Marshal.SizeOf(hdr)];
stream.Read(hdr_b, 0, hdr_b.Length);
GCHandle handle = GCHandle.Alloc(hdr_b, GCHandleType.Pinned);
hdr = (FdiHeader)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(FdiHeader));
handle.Free();
DicConsole.DebugWriteLine("UkvFdi plugin", "hdr.addInfoLen = {0}", hdr.addInfoLen);
DicConsole.DebugWriteLine("UkvFdi plugin", "hdr.cylinders = {0}", hdr.cylinders);
DicConsole.DebugWriteLine("UkvFdi plugin", "hdr.dataOff = {0}", hdr.dataOff);
DicConsole.DebugWriteLine("UkvFdi plugin", "hdr.descOff = {0}", hdr.descOff);
DicConsole.DebugWriteLine("UkvFdi plugin", "hdr.flags = {0}", hdr.flags);
DicConsole.DebugWriteLine("UkvFdi plugin", "hdr.heads = {0}", hdr.heads);
stream.Seek(hdr.descOff, SeekOrigin.Begin);
byte[] description = new byte[hdr.dataOff - hdr.descOff];
stream.Read(description, 0, description.Length);
ImageInfo.imageComments = StringHandlers.CToString(description);
DicConsole.DebugWriteLine("UkvFdi plugin", "hdr.description = \"{0}\"", ImageInfo.imageComments);
stream.Seek(0xE + hdr.addInfoLen, SeekOrigin.Begin);
long spt = long.MaxValue;
uint[][][] sectorsOff = new uint[hdr.cylinders][][];
sectorsData = new byte[hdr.cylinders][][][];
ImageInfo.cylinders = hdr.cylinders;
ImageInfo.heads = hdr.heads;
// Read track descriptors
for(ushort cyl = 0; cyl < hdr.cylinders; cyl++)
{
sectorsOff[cyl] = new uint[hdr.heads][];
sectorsData[cyl] = new byte[hdr.heads][][];
bool emptyCyl = false;
for(ushort head = 0; head < hdr.heads; head++)
{
byte[] sct_b = new byte[4];
stream.Read(sct_b, 0, 4);
stream.Seek(2, SeekOrigin.Current);
byte sectors = (byte)stream.ReadByte();
uint trkOff = BitConverter.ToUInt32(sct_b, 0);
DicConsole.DebugWriteLine("UkvFdi plugin", "trkhdr.c = {0}", cyl);
DicConsole.DebugWriteLine("UkvFdi plugin", "trkhdr.h = {0}", head);
DicConsole.DebugWriteLine("UkvFdi plugin", "trkhdr.sectors = {0}", sectors);
DicConsole.DebugWriteLine("UkvFdi plugin", "trkhdr.off = {0}", trkOff);
sectorsOff[cyl][head] = new uint[sectors];
sectorsData[cyl][head] = new byte[sectors][];
if(sectors < spt && sectors > 0)
spt = sectors;
emptyCyl |= sectors == 0;
for(ushort sec = 0; sec < sectors; sec++)
{
byte c = (byte)stream.ReadByte();
byte h = (byte)stream.ReadByte();
byte r = (byte)stream.ReadByte();
byte n = (byte)stream.ReadByte();
SectorFlags f = (SectorFlags)stream.ReadByte();
byte[] off_b = new byte[2];
stream.Read(off_b, 0, 2);
ushort secOff = BitConverter.ToUInt16(off_b, 0);
DicConsole.DebugWriteLine("UkvFdi plugin", "sechdr.c = {0}", c);
DicConsole.DebugWriteLine("UkvFdi plugin", "sechdr.h = {0}", h);
DicConsole.DebugWriteLine("UkvFdi plugin", "sechdr.r = {0}", r);
DicConsole.DebugWriteLine("UkvFdi plugin", "sechdr.n = {0} ({1})", n, 128 << n);
DicConsole.DebugWriteLine("UkvFdi plugin", "sechdr.f = {0}", f);
DicConsole.DebugWriteLine("UkvFdi plugin", "sechdr.off = {0} ({1})", secOff, secOff + trkOff + hdr.dataOff);
// TODO: This assumes sequential sectors.
sectorsOff[cyl][head][sec] = secOff + trkOff + hdr.dataOff;
sectorsData[cyl][head][sec] = new byte[128 << n];
if(128 << n > ImageInfo.sectorSize)
ImageInfo.sectorSize = (uint)(128 << n);
}
}
// TODO: What happens if there is an empty cylinder in the middle?
if(emptyCyl)
ImageInfo.cylinders--;
}
// Read sectors
for(ushort cyl = 0; cyl < hdr.cylinders; cyl++)
{
for(ushort head = 0; head < hdr.heads; head++)
{
for(ushort sec = 0; sec < sectorsOff[cyl][head].Length; sec++)
{
stream.Seek(sectorsOff[cyl][head][sec], SeekOrigin.Begin);
stream.Read(sectorsData[cyl][head][sec], 0, sectorsData[cyl][head][sec].Length);
}
}
}
// TODO: What about double sided, half track pitch compact floppies?
ImageInfo.mediaType = MediaType.CompactFloppy;
ImageInfo.imageSize = (ulong)stream.Length - hdr.dataOff;
ImageInfo.imageCreationTime = imageFilter.GetCreationTime();
ImageInfo.imageLastModificationTime = imageFilter.GetLastWriteTime();
ImageInfo.imageName = Path.GetFileNameWithoutExtension(imageFilter.GetFilename());
ImageInfo.sectorsPerTrack = (uint)spt;
ImageInfo.sectors = ImageInfo.cylinders*ImageInfo.heads*ImageInfo.sectorsPerTrack;
ImageInfo.xmlMediaType = XmlMediaType.BlockMedia;
return true;
}
public override bool ImageHasPartitions()
{
return false;
}
public override ulong GetImageSize()
{
return ImageInfo.imageSize;
}
public override ulong GetSectors()
{
return ImageInfo.sectors;
}
public override uint GetSectorSize()
{
return ImageInfo.sectorSize;
}
public override string GetImageFormat()
{
return "Spectrum floppy disk image";
}
public override string GetImageVersion()
{
return ImageInfo.imageVersion;
}
public override string GetImageApplication()
{
return ImageInfo.imageApplication;
}
public override string GetImageApplicationVersion()
{
return ImageInfo.imageApplicationVersion;
}
public override string GetImageCreator()
{
return ImageInfo.imageCreator;
}
public override DateTime GetImageCreationTime()
{
return ImageInfo.imageCreationTime;
}
public override DateTime GetImageLastModificationTime()
{
return ImageInfo.imageLastModificationTime;
}
public override string GetImageName()
{
return ImageInfo.imageName;
}
public override string GetImageComments()
{
return ImageInfo.imageComments;
}
public override MediaType GetMediaType()
{
return ImageInfo.mediaType;
}
public override byte[] ReadSector(ulong sectorAddress)
{
(ushort cylinder, byte head, byte sector) = LbaToChs(sectorAddress);
if(cylinder >= sectorsData.Length)
throw new ArgumentOutOfRangeException(nameof(sectorAddress), "Sector address not found");
if(head >= sectorsData[cylinder].Length)
throw new ArgumentOutOfRangeException(nameof(sectorAddress), "Sector address not found");
if(sector > sectorsData[cylinder][head].Length)
throw new ArgumentOutOfRangeException(nameof(sectorAddress), "Sector address not found");
return sectorsData[cylinder][head][sector - 1];
}
public override byte[] ReadSectors(ulong sectorAddress, uint length)
{
if(sectorAddress > ImageInfo.sectors - 1)
throw new ArgumentOutOfRangeException(nameof(sectorAddress), "Sector address not found");
if(sectorAddress + length > ImageInfo.sectors)
throw new ArgumentOutOfRangeException(nameof(length), "Requested more sectors than available");
MemoryStream buffer = new MemoryStream();
for(uint i = 0; i < length; i++)
{
byte[] sector = ReadSector(sectorAddress + i);
buffer.Write(sector, 0, sector.Length);
}
return buffer.ToArray();
}
(ushort cylinder, byte head, byte sector) LbaToChs(ulong lba)
{
ushort cylinder = (ushort)(lba / (ImageInfo.heads * ImageInfo.sectorsPerTrack));
byte head = (byte)((lba / ImageInfo.sectorsPerTrack) % ImageInfo.heads);
byte sector = (byte)((lba % ImageInfo.sectorsPerTrack) + 1);
return (cylinder, head, sector);
}
#region Unsupported features
public override byte[] ReadDiskTag(MediaTagType tag)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public override byte[] ReadSectorTag(ulong sectorAddress, SectorTagType tag)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public override byte[] ReadSector(ulong sectorAddress, uint track)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public override byte[] ReadSectorTag(ulong sectorAddress, uint track, SectorTagType tag)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public override byte[] ReadSectorsTag(ulong sectorAddress, uint length, SectorTagType tag)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public override byte[] ReadSectors(ulong sectorAddress, uint length, uint track)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public override byte[] ReadSectorsTag(ulong sectorAddress, uint length, uint track, SectorTagType tag)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public override byte[] ReadSectorLong(ulong sectorAddress)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public override byte[] ReadSectorLong(ulong sectorAddress, uint track)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public override byte[] ReadSectorsLong(ulong sectorAddress, uint length)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public override byte[] ReadSectorsLong(ulong sectorAddress, uint length, uint track)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public override string GetMediaManufacturer()
{
return null;
}
public override string GetMediaModel()
{
return null;
}
public override string GetMediaSerialNumber()
{
return null;
}
public override string GetMediaBarcode()
{
return null;
}
public override string GetMediaPartNumber()
{
return null;
}
public override int GetMediaSequence()
{
return 0;
}
public override int GetLastDiskSequence()
{
return 0;
}
public override string GetDriveManufacturer()
{
return null;
}
public override string GetDriveModel()
{
return null;
}
public override string GetDriveSerialNumber()
{
return null;
}
public override List<Partition> GetPartitions()
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public override List<Track> GetTracks()
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public override List<Track> GetSessionTracks(Session session)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public override List<Track> GetSessionTracks(ushort session)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public override List<Session> GetSessions()
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public override bool? VerifySector(ulong sectorAddress)
{
return null;
}
public override bool? VerifySector(ulong sectorAddress, uint track)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public override bool? VerifySectors(ulong sectorAddress, uint length, out List<ulong> FailingLBAs, out List<ulong> UnknownLBAs)
{
FailingLBAs = new List<ulong>();
UnknownLBAs = new List<ulong>();
for(ulong i = 0; i < ImageInfo.sectors; i++)
UnknownLBAs.Add(i);
return null;
}
public override bool? VerifySectors(ulong sectorAddress, uint length, uint track, out List<ulong> FailingLBAs, out List<ulong> UnknownLBAs)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public override bool? VerifyMediaImage()
{
return null;
}
#endregion
}
}

View File

@@ -4,4 +4,5 @@
<package id="DotNetZip" version="1.10.1" targetFramework="net40" />
<package id="plist-cil" version="1.16.0" targetFramework="net40" />
<package id="SharpCompress" version="0.17.0" targetFramework="net40" />
<package id="System.ValueTuple" version="4.4.0" targetFramework="net40" />
</packages>