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549 lines
18 KiB
C#
549 lines
18 KiB
C#
// /***************************************************************************
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// The Disc Image Chef
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// ----------------------------------------------------------------------------
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//
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// Filename : MaxiDisk.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : Component
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Description
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//
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// --[ License ] --------------------------------------------------------------
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//
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 2.1 of the
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// License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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// Copyright © 2011-2017 Natalia Portillo
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// ****************************************************************************/
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Runtime.InteropServices;
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using System.Text.RegularExpressions;
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using DiscImageChef.CommonTypes;
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using DiscImageChef.Console;
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using DiscImageChef.Filters;
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namespace DiscImageChef.ImagePlugins
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{
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public class MaxiDisk : ImagePlugin
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{
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#region Internal Structures
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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struct HdkHeader
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{
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public byte unknown;
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public byte diskType;
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public byte heads;
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public byte cylinders;
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public byte bytesPerSector;
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public byte sectorsPerTrack;
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public byte unknown2;
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public byte unknown3;
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}
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enum HdkDiskTypes : byte
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{
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Dos360 = 0,
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Maxi420 = 1,
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Dos720 = 2,
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Maxi800 = 3,
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Dos1200 = 4,
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Maxi1400 = 5,
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Dos1440 = 6,
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Mac1440 = 7,
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Maxi1600 = 8,
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Dmf = 9,
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Dos2880 = 10,
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Maxi3200 = 11
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}
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#endregion
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#region Internal variables
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/// <summary>Disk image file</summary>
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Filter hdkImageFilter;
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#endregion
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public MaxiDisk()
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{
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Name = "MAXI Disk image";
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PluginUUID = new Guid("D27D924A-7034-466E-ADE1-B81EF37E469E");
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ImageInfo = new ImageInfo();
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ImageInfo.readableSectorTags = new List<SectorTagType>();
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ImageInfo.readableMediaTags = new List<MediaTagType>();
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ImageInfo.imageHasPartitions = false;
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ImageInfo.imageHasSessions = false;
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ImageInfo.imageApplication = "MAXI Disk";
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ImageInfo.imageCreator = null;
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ImageInfo.imageComments = null;
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ImageInfo.mediaManufacturer = null;
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ImageInfo.mediaModel = null;
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ImageInfo.mediaSerialNumber = null;
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ImageInfo.mediaBarcode = null;
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ImageInfo.mediaPartNumber = null;
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ImageInfo.mediaSequence = 0;
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ImageInfo.lastMediaSequence = 0;
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ImageInfo.driveManufacturer = null;
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ImageInfo.driveModel = null;
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ImageInfo.driveSerialNumber = null;
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ImageInfo.driveFirmwareRevision = null;
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}
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public override bool IdentifyImage(Filter imageFilter)
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{
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Stream stream = imageFilter.GetDataForkStream();
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if(stream.Length < 8)
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return false;
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byte[] buffer = new byte[8];
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stream.Seek(0, SeekOrigin.Begin);
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stream.Read(buffer, 0, buffer.Length);
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HdkHeader tmp_header = new HdkHeader();
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IntPtr ftrPtr = Marshal.AllocHGlobal(buffer.Length);
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Marshal.Copy(buffer, 0, ftrPtr, buffer.Length);
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tmp_header = (HdkHeader)Marshal.PtrToStructure(ftrPtr, typeof(HdkHeader));
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Marshal.FreeHGlobal(ftrPtr);
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DicConsole.DebugWriteLine("MAXI Disk plugin", "tmp_header.unknown = {0}", tmp_header.unknown);
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DicConsole.DebugWriteLine("MAXI Disk plugin", "tmp_header.diskType = {0}", tmp_header.diskType);
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DicConsole.DebugWriteLine("MAXI Disk plugin", "tmp_header.heads = {0}", tmp_header.heads);
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DicConsole.DebugWriteLine("MAXI Disk plugin", "tmp_header.cylinders = {0}", tmp_header.cylinders);
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DicConsole.DebugWriteLine("MAXI Disk plugin", "tmp_header.bytesPerSector = {0}", tmp_header.bytesPerSector);
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DicConsole.DebugWriteLine("MAXI Disk plugin", "tmp_header.sectorsPerTrack = {0}", tmp_header.sectorsPerTrack);
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DicConsole.DebugWriteLine("MAXI Disk plugin", "tmp_header.unknown2 = {0}", tmp_header.unknown2);
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DicConsole.DebugWriteLine("MAXI Disk plugin", "tmp_header.unknown3 = {0}", tmp_header.unknown3);
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// This is hardcoded
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// But its possible values are unknown...
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//if(tmp_header.diskType > 11)
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// return false;
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// Only floppies supported
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if(tmp_header.heads == 0 || tmp_header.heads > 2)
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return false;
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// No floppies with more than this?
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if(tmp_header.cylinders > 90)
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return false;
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// Maximum supported bps is 16384
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if(tmp_header.bytesPerSector > 7)
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return false;
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int expectedFileSize = tmp_header.heads * tmp_header.cylinders * tmp_header.sectorsPerTrack * (128 << tmp_header.bytesPerSector) + 8;
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return expectedFileSize == stream.Length;
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}
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public override bool OpenImage(Filter imageFilter)
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{
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Stream stream = imageFilter.GetDataForkStream();
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if(stream.Length < 8)
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return false;
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byte[] buffer = new byte[8];
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stream.Seek(0, SeekOrigin.Begin);
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stream.Read(buffer, 0, buffer.Length);
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HdkHeader tmp_header = new HdkHeader();
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IntPtr ftrPtr = Marshal.AllocHGlobal(buffer.Length);
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Marshal.Copy(buffer, 0, ftrPtr, buffer.Length);
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tmp_header = (HdkHeader)Marshal.PtrToStructure(ftrPtr, typeof(HdkHeader));
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Marshal.FreeHGlobal(ftrPtr);
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// This is hardcoded
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// But its possible values are unknown...
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//if(tmp_header.diskType > 11)
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// return false;
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// Only floppies supported
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if(tmp_header.heads == 0 || tmp_header.heads > 2)
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return false;
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// No floppies with more than this?
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if(tmp_header.cylinders > 90)
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return false;
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// Maximum supported bps is 16384
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if(tmp_header.bytesPerSector > 7)
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return false;
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int expectedFileSize = tmp_header.heads * tmp_header.cylinders * tmp_header.sectorsPerTrack * (128 << tmp_header.bytesPerSector) + 8;
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if(expectedFileSize != stream.Length)
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return false;
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ImageInfo.cylinders = tmp_header.cylinders;
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ImageInfo.heads = tmp_header.heads;
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ImageInfo.sectorsPerTrack = tmp_header.sectorsPerTrack;
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ImageInfo.sectors = (ulong)(tmp_header.heads * tmp_header.cylinders * tmp_header.sectorsPerTrack);
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ImageInfo.sectorSize = (uint)(128 << tmp_header.bytesPerSector);
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hdkImageFilter = imageFilter;
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ImageInfo.imageSize = (ulong)(stream.Length - 8);
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ImageInfo.imageCreationTime = imageFilter.GetCreationTime();
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ImageInfo.imageLastModificationTime = imageFilter.GetLastWriteTime();
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if(ImageInfo.heads == 2 && ImageInfo.cylinders == 80 && ImageInfo.sectorsPerTrack == 15 && ImageInfo.sectorSize == 512)
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ImageInfo.mediaType = MediaType.DOS_525_HD;
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else if(ImageInfo.heads == 2 && ImageInfo.cylinders == 80 && ImageInfo.sectorsPerTrack == 16 && ImageInfo.sectorSize == 256)
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ImageInfo.mediaType = MediaType.ACORN_525_DS_DD;
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else if(ImageInfo.heads == 1 && ImageInfo.cylinders == 80 && ImageInfo.sectorsPerTrack == 16 && ImageInfo.sectorSize == 256)
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ImageInfo.mediaType = MediaType.ACORN_525_SS_DD_80;
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else if(ImageInfo.heads == 1 && ImageInfo.cylinders == 80 && ImageInfo.sectorsPerTrack == 10 && ImageInfo.sectorSize == 256)
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ImageInfo.mediaType = MediaType.ACORN_525_SS_SD_80;
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else if(ImageInfo.heads == 2 && ImageInfo.cylinders == 77 && ImageInfo.sectorsPerTrack == 8 && ImageInfo.sectorSize == 1024)
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ImageInfo.mediaType = MediaType.NEC_525_HD;
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else if(ImageInfo.heads == 1 && ImageInfo.cylinders == 40 && ImageInfo.sectorsPerTrack == 8 && ImageInfo.sectorSize == 512)
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ImageInfo.mediaType = MediaType.DOS_525_SS_DD_8;
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else if(ImageInfo.heads == 1 && ImageInfo.cylinders == 40 && ImageInfo.sectorsPerTrack == 9 && ImageInfo.sectorSize == 512)
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ImageInfo.mediaType = MediaType.DOS_525_SS_DD_9;
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else if(ImageInfo.heads == 2 && ImageInfo.cylinders == 40 && ImageInfo.sectorsPerTrack == 8 && ImageInfo.sectorSize == 512)
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ImageInfo.mediaType = MediaType.DOS_525_DS_DD_8;
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else if(ImageInfo.heads == 2 && ImageInfo.cylinders == 40 && ImageInfo.sectorsPerTrack == 9 && ImageInfo.sectorSize == 512)
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ImageInfo.mediaType = MediaType.DOS_525_DS_DD_9;
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else if(ImageInfo.heads == 1 && ImageInfo.cylinders == 40 && ImageInfo.sectorsPerTrack == 18 && ImageInfo.sectorSize == 128)
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ImageInfo.mediaType = MediaType.ATARI_525_SD;
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else if(ImageInfo.heads == 1 && ImageInfo.cylinders == 40 && ImageInfo.sectorsPerTrack == 26 && ImageInfo.sectorSize == 128)
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ImageInfo.mediaType = MediaType.ATARI_525_ED;
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else if(ImageInfo.heads == 1 && ImageInfo.cylinders == 40 && ImageInfo.sectorsPerTrack == 18 && ImageInfo.sectorSize == 256)
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ImageInfo.mediaType = MediaType.ATARI_525_DD;
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else if(ImageInfo.heads == 2 && ImageInfo.cylinders == 80 && ImageInfo.sectorsPerTrack == 36 && ImageInfo.sectorSize == 512)
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ImageInfo.mediaType = MediaType.DOS_35_ED;
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else if(ImageInfo.heads == 2 && ImageInfo.cylinders == 80 && ImageInfo.sectorsPerTrack == 18 && ImageInfo.sectorSize == 512)
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ImageInfo.mediaType = MediaType.DOS_35_HD;
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else if(ImageInfo.heads == 2 && ImageInfo.cylinders == 80 && ImageInfo.sectorsPerTrack == 21 && ImageInfo.sectorSize == 512)
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ImageInfo.mediaType = MediaType.DMF;
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else if(ImageInfo.heads == 2 && ImageInfo.cylinders == 82 && ImageInfo.sectorsPerTrack == 21 && ImageInfo.sectorSize == 512)
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ImageInfo.mediaType = MediaType.DMF_82;
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else if(ImageInfo.heads == 2 && ImageInfo.cylinders == 77 && ImageInfo.sectorsPerTrack == 8 && ImageInfo.sectorSize == 1024)
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ImageInfo.mediaType = MediaType.NEC_35_HD_8;
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else if(ImageInfo.heads == 2 && ImageInfo.cylinders == 80 && ImageInfo.sectorsPerTrack == 15 && ImageInfo.sectorSize == 512)
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ImageInfo.mediaType = MediaType.NEC_35_HD_15;
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else if(ImageInfo.heads == 2 && ImageInfo.cylinders == 80 && ImageInfo.sectorsPerTrack == 9 && ImageInfo.sectorSize == 512)
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ImageInfo.mediaType = MediaType.DOS_35_DS_DD_9;
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else if(ImageInfo.heads == 2 && ImageInfo.cylinders == 80 && ImageInfo.sectorsPerTrack == 8 && ImageInfo.sectorSize == 512)
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ImageInfo.mediaType = MediaType.DOS_35_DS_DD_8;
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else if(ImageInfo.heads == 1 && ImageInfo.cylinders == 80 && ImageInfo.sectorsPerTrack == 9 && ImageInfo.sectorSize == 512)
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ImageInfo.mediaType = MediaType.DOS_35_SS_DD_9;
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else if(ImageInfo.heads == 1 && ImageInfo.cylinders == 80 && ImageInfo.sectorsPerTrack == 8 && ImageInfo.sectorSize == 512)
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ImageInfo.mediaType = MediaType.DOS_35_SS_DD_8;
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else if(ImageInfo.heads == 2 && ImageInfo.cylinders == 80 && ImageInfo.sectorsPerTrack == 5 && ImageInfo.sectorSize == 1024)
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ImageInfo.mediaType = MediaType.ACORN_35_DS_DD;
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else if(ImageInfo.heads == 1 && ImageInfo.cylinders == 70 && ImageInfo.sectorsPerTrack == 9 && ImageInfo.sectorSize == 512)
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ImageInfo.mediaType = MediaType.Apricot_35;
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else
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ImageInfo.mediaType = MediaType.Unknown;
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ImageInfo.xmlMediaType = XmlMediaType.BlockMedia;
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return true;
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}
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public override bool? VerifySector(ulong sectorAddress)
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{
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return null;
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}
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public override bool? VerifySector(ulong sectorAddress, uint track)
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{
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return null;
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}
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public override bool? VerifySectors(ulong sectorAddress, uint length, out List<ulong> FailingLBAs, out List<ulong> UnknownLBAs)
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{
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FailingLBAs = new List<ulong>();
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UnknownLBAs = new List<ulong>();
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for(ulong i = sectorAddress; i < sectorAddress + length; i++)
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UnknownLBAs.Add(i);
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return null;
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}
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public override bool? VerifySectors(ulong sectorAddress, uint length, uint track, out List<ulong> FailingLBAs, out List<ulong> UnknownLBAs)
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{
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FailingLBAs = new List<ulong>();
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UnknownLBAs = new List<ulong>();
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for(ulong i = sectorAddress; i < sectorAddress + length; i++)
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UnknownLBAs.Add(i);
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return null;
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}
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public override bool? VerifyMediaImage()
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{
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return null;
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}
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public override bool ImageHasPartitions()
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{
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return ImageInfo.imageHasPartitions;
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}
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public override ulong GetImageSize()
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{
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return ImageInfo.imageSize;
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}
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public override ulong GetSectors()
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{
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return ImageInfo.sectors;
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}
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public override uint GetSectorSize()
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{
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return ImageInfo.sectorSize;
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}
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public override byte[] ReadSector(ulong sectorAddress)
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{
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return ReadSectors(sectorAddress, 1);
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}
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public override byte[] ReadSectorTag(ulong sectorAddress, SectorTagType tag)
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{
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throw new FeatureUnsupportedImageException("Feature not supported by image format");
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}
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public override byte[] ReadSectors(ulong sectorAddress, uint length)
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{
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if(sectorAddress > ImageInfo.sectors - 1)
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throw new ArgumentOutOfRangeException(nameof(sectorAddress), "Sector address not found");
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if(sectorAddress + length > ImageInfo.sectors)
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throw new ArgumentOutOfRangeException(nameof(length), "Requested more sectors than available");
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byte[] buffer = new byte[length * ImageInfo.sectorSize];
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Stream stream = hdkImageFilter.GetDataForkStream();
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stream.Seek((long)(8 + sectorAddress * ImageInfo.sectorSize), SeekOrigin.Begin);
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stream.Read(buffer, 0, (int)(length * ImageInfo.sectorSize));
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return buffer;
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}
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public override byte[] ReadSectorsTag(ulong sectorAddress, uint length, SectorTagType tag)
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{
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throw new FeatureUnsupportedImageException("Feature not supported by image format");
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}
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public override byte[] ReadSectorLong(ulong sectorAddress)
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{
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throw new FeatureUnsupportedImageException("Feature not supported by image format");
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}
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public override byte[] ReadSectorsLong(ulong sectorAddress, uint length)
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{
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throw new FeatureUnsupportedImageException("Feature not supported by image format");
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}
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public override string GetImageFormat()
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{
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return "MAXI Disk";
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}
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public override string GetImageVersion()
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{
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return ImageInfo.imageVersion;
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}
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public override string GetImageApplication()
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{
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return ImageInfo.imageApplication;
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}
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public override string GetImageApplicationVersion()
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{
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return ImageInfo.imageApplicationVersion;
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}
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public override DateTime GetImageCreationTime()
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{
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return ImageInfo.imageCreationTime;
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}
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public override DateTime GetImageLastModificationTime()
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{
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return ImageInfo.imageLastModificationTime;
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}
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public override string GetImageName()
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{
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return ImageInfo.imageName;
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}
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public override MediaType GetMediaType()
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{
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return ImageInfo.mediaType;
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}
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#region Unsupported features
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public override byte[] ReadDiskTag(MediaTagType tag)
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{
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throw new FeatureUnsupportedImageException("Feature not supported by image format");
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}
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public override string GetImageCreator()
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{
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return ImageInfo.imageCreator;
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}
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public override string GetImageComments()
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{
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return ImageInfo.imageComments;
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}
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public override string GetMediaManufacturer()
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{
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return ImageInfo.mediaManufacturer;
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}
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public override string GetMediaModel()
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{
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return ImageInfo.mediaModel;
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}
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public override string GetMediaSerialNumber()
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{
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return ImageInfo.mediaSerialNumber;
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}
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public override string GetMediaBarcode()
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{
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return ImageInfo.mediaBarcode;
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}
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public override string GetMediaPartNumber()
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{
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return ImageInfo.mediaPartNumber;
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}
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public override int GetMediaSequence()
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{
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return ImageInfo.mediaSequence;
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}
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public override int GetLastDiskSequence()
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{
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return ImageInfo.lastMediaSequence;
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}
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public override string GetDriveManufacturer()
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{
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return ImageInfo.driveManufacturer;
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}
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public override string GetDriveModel()
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{
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return ImageInfo.driveModel;
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}
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public override string GetDriveSerialNumber()
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{
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return ImageInfo.driveSerialNumber;
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}
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public override List<Partition> GetPartitions()
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{
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throw new FeatureUnsupportedImageException("Feature not supported by image format");
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}
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public override List<Track> GetTracks()
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{
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throw new FeatureUnsupportedImageException("Feature not supported by image format");
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}
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public override List<Track> GetSessionTracks(Session session)
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{
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throw new FeatureUnsupportedImageException("Feature not supported by image format");
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}
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public override List<Track> GetSessionTracks(ushort session)
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{
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throw new FeatureUnsupportedImageException("Feature not supported by image format");
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}
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public override List<Session> GetSessions()
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{
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throw new FeatureUnsupportedImageException("Feature not supported by image format");
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}
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public override byte[] ReadSector(ulong sectorAddress, uint track)
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{
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throw new FeatureUnsupportedImageException("Feature not supported by image format");
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}
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public override byte[] ReadSectorTag(ulong sectorAddress, uint track, 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, uint track)
|
|
{
|
|
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");
|
|
}
|
|
|
|
#endregion Unsupported features
|
|
|
|
#region Private methods
|
|
|
|
private static uint DC42CheckSum(byte[] buffer)
|
|
{
|
|
uint dc42chk = 0;
|
|
if((buffer.Length & 0x01) == 0x01)
|
|
return 0xFFFFFFFF;
|
|
|
|
for(uint i = 0; i < buffer.Length; i += 2)
|
|
{
|
|
dc42chk += (uint)(buffer[i] << 8);
|
|
dc42chk += buffer[i + 1];
|
|
dc42chk = (dc42chk >> 1) | (dc42chk << 31);
|
|
}
|
|
return dc42chk;
|
|
}
|
|
|
|
#endregion
|
|
}
|
|
}
|
|
|