Aaru/DiscImageChef.DiscImages/D88.cs

// /***************************************************************************
// The Disc Image Chef
// ----------------------------------------------------------------------------
//
// Filename       : D88.cs
// Author(s)      : Natalia Portillo <claunia@claunia.com>
//
// Component      : Disk image plugins.
//
// --[ Description ] ----------------------------------------------------------
//
//     Manages Quasi88 disk images.
//
// --[ 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 © 2011-2018 Natalia Portillo
// ****************************************************************************/

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using DiscImageChef.CommonTypes;
using DiscImageChef.Console;
using DiscImageChef.Decoders.Floppy;
using DiscImageChef.Filters;

namespace DiscImageChef.DiscImages
{
    // Information from Quasi88's FORMAT.TXT file
    // Japanese comments copied from there
    public class D88 : ImagePlugin
    {
        #region Internal enumerations
        enum DiskType : byte
        {
            D2 = 0x00,
            Dd2 = 0x10,
            Hd2 = 0x20,
        }

        enum DensityType : byte
        {
            Mfm = 0x00,
            Fm = 0x40,
        }

        /// <summary>
        /// Status as returned by PC-98 BIOS
        /// ステータスは、PC-98x1 のBIOS が返してくるステータスで、
        /// </summary>
        enum StatusType : byte
        {
            /// <summary>
            /// Normal
            /// 正常
            /// </summary>
            Normal = 0x00,
            /// <summary>
            /// Deleted
            /// 正常(DELETED DATA)
            /// </summary>
            Deleted = 0x10,
            /// <summary>
            /// CRC error in address fields
            /// ID CRC エラー
            /// </summary>
            IdError = 0xA0,
            /// <summary>
            /// CRC error in data block
            /// データ CRC エラー
            /// </summary>
            DataError = 0xB0,
            /// <summary>
            /// Address mark not found
            /// アドレスマークなし
            /// </summary>
            AddressMarkNotFound = 0xE0,
            /// <summary>
            /// Data mark not found
            /// データマークなし
            /// </summary>
            DataMarkNotFound = 0xF0,
        }
        #endregion

        #region Internal constants
        readonly byte[] reservedEmpty = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
        const byte READ_ONLY = 0x10;
        #endregion

        #region Internal structures
        [StructLayout(LayoutKind.Sequential, Pack = 1)]
        struct D88Header
        {
            /// <summary>
            /// Disk name, nul-terminated ASCII
            /// ディスクの名前(ASCII + '\0')
            /// </summary>
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 17)] public byte[] name;
            /// <summary>
            /// Reserved
            /// ディスクの名前(ASCII + '\0')
            /// </summary>
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 9)] public byte[] reserved;
            /// <summary>
            /// Write protect status
            /// ライトプロテクト： 0x00 なし、0x10 あり
            /// </summary>
            public byte write_protect;
            /// <summary>
            /// Disk type
            /// ディスクの種類： 0x00 2D、 0x10 2DD、 0x20 2HD
            /// </summary>
            public DiskType disk_type;
            /// <summary>
            /// Disk image size
            /// ディスクのサイズ
            /// </summary>
            public int disk_size;
            /// <summary>
            /// Track pointers
            /// トラック部のオフセットテーブル 0 Track ～ 163 Track
            /// </summary>
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 164)] public int[] track_table;
        }

        [StructLayout(LayoutKind.Sequential, Pack = 1)]
        struct SectorHeader
        {
            /// <summary>
            /// Cylinder
            /// ID の C
            /// </summary>
            public byte c;
            /// <summary>
            /// Head
            /// ID の H
            /// </summary>
            public byte h;
            /// <summary>
            /// Sector number
            /// ID の R
            /// </summary>
            public byte r;
            /// <summary>
            /// Sector size
            /// ID の N
            /// </summary>
            public IBMSectorSizeCode n;
            /// <summary>
            /// Number of sectors in this track
            /// このトラック内に存在するセクタの数
            /// </summary>
            public short spt;
            /// <summary>
            /// Density: 0x00 MFM, 0x40 FM
            /// 記録密度： 0x00 倍密度、0x40 単密度
            /// </summary>
            public DensityType density;
            /// <summary>
            /// Deleted sector, 0x00 not deleted, 0x10 deleted
            /// DELETED MARK： 0x00 ノーマル、 0x10 DELETED
            /// </summary>
            public byte deleted_mark;
            /// <summary>
            /// Sector status
            /// ステータス
            /// </summary>
            public byte status;
            /// <summary>
            /// Reserved
            /// リザーブ
            /// </summary>
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 5)] public byte[] reserved;
            /// <summary>
            /// Size of data following this field
            /// このセクタ部のデータサイズ
            /// </summary>
            public short size_of_data;
        }
        #endregion

        List<byte[]> sectorsData;

        public D88()
        {
            Name = "D88 Disk Image";
            PluginUuid = new Guid("669EDC77-EC41-4720-A88C-49C38CFFBAA0");
            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);
            // Even if disk name is supposedly ASCII, I'm pretty sure most emulators allow Shift-JIS to be used :p
            Encoding shiftjis = Encoding.GetEncoding("shift_jis");

            D88Header d88Hdr = new D88Header();

            if(stream.Length < Marshal.SizeOf(d88Hdr)) return false;

            byte[] hdrB = new byte[Marshal.SizeOf(d88Hdr)];
            stream.Read(hdrB, 0, hdrB.Length);

            GCHandle handle = GCHandle.Alloc(hdrB, GCHandleType.Pinned);
            d88Hdr = (D88Header)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(D88Header));
            handle.Free();

            DicConsole.DebugWriteLine("D88 plugin", "d88hdr.name = \"{0}\"",
                                      StringHandlers.CToString(d88Hdr.name, shiftjis));
            DicConsole.DebugWriteLine("D88 plugin", "d88hdr.reserved is empty? = {0}",
                                      d88Hdr.reserved.SequenceEqual(reservedEmpty));
            DicConsole.DebugWriteLine("D88 plugin", "d88hdr.write_protect = 0x{0:X2}", d88Hdr.write_protect);
            DicConsole.DebugWriteLine("D88 plugin", "d88hdr.disk_type = {0} ({1})", d88Hdr.disk_type,
                                      (byte)d88Hdr.disk_type);
            DicConsole.DebugWriteLine("D88 plugin", "d88hdr.disk_size = {0}", d88Hdr.disk_size);

            if(d88Hdr.disk_size != stream.Length) return false;

            if(d88Hdr.disk_type != DiskType.D2 && d88Hdr.disk_type != DiskType.Dd2 &&
               d88Hdr.disk_type != DiskType.Hd2) return false;

            if(!d88Hdr.reserved.SequenceEqual(reservedEmpty)) return false;

            int counter = 0;
            for(int i = 0; i < d88Hdr.track_table.Length; i++)
            {
                if(d88Hdr.track_table[i] > 0) counter++;

                if(d88Hdr.track_table[i] < 0 || d88Hdr.track_table[i] > stream.Length) return false;
            }

            DicConsole.DebugWriteLine("D88 plugin", "{0} tracks", counter);

            return counter > 0;
        }

        public override bool OpenImage(Filter imageFilter)
        {
            Stream stream = imageFilter.GetDataForkStream();
            stream.Seek(0, SeekOrigin.Begin);
            // Even if disk name is supposedly ASCII, I'm pretty sure most emulators allow Shift-JIS to be used :p
            Encoding shiftjis = Encoding.GetEncoding("shift_jis");

            D88Header d88Hdr = new D88Header();

            if(stream.Length < Marshal.SizeOf(d88Hdr)) return false;

            byte[] hdrB = new byte[Marshal.SizeOf(d88Hdr)];
            stream.Read(hdrB, 0, hdrB.Length);

            GCHandle handle = GCHandle.Alloc(hdrB, GCHandleType.Pinned);
            d88Hdr = (D88Header)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(D88Header));
            handle.Free();

            DicConsole.DebugWriteLine("D88 plugin", "d88hdr.name = \"{0}\"",
                                      StringHandlers.CToString(d88Hdr.name, shiftjis));
            DicConsole.DebugWriteLine("D88 plugin", "d88hdr.reserved is empty? = {0}",
                                      d88Hdr.reserved.SequenceEqual(reservedEmpty));
            DicConsole.DebugWriteLine("D88 plugin", "d88hdr.write_protect = 0x{0:X2}", d88Hdr.write_protect);
            DicConsole.DebugWriteLine("D88 plugin", "d88hdr.disk_type = {0} ({1})", d88Hdr.disk_type,
                                      (byte)d88Hdr.disk_type);
            DicConsole.DebugWriteLine("D88 plugin", "d88hdr.disk_size = {0}", d88Hdr.disk_size);

            if(d88Hdr.disk_size != stream.Length) return false;

            if(d88Hdr.disk_type != DiskType.D2 && d88Hdr.disk_type != DiskType.Dd2 &&
               d88Hdr.disk_type != DiskType.Hd2) return false;

            if(!d88Hdr.reserved.SequenceEqual(reservedEmpty)) return false;

            int trkCounter = 0;
            for(int i = 0; i < d88Hdr.track_table.Length; i++)
            {
                if(d88Hdr.track_table[i] > 0) trkCounter++;

                if(d88Hdr.track_table[i] < 0 || d88Hdr.track_table[i] > stream.Length) return false;
            }

            DicConsole.DebugWriteLine("D88 plugin", "{0} tracks", trkCounter);

            if(trkCounter == 0) return false;

            SectorHeader sechdr = new SectorHeader();
            hdrB = new byte[Marshal.SizeOf(sechdr)];
            stream.Seek(d88Hdr.track_table[0], SeekOrigin.Begin);
            stream.Read(hdrB, 0, hdrB.Length);

            handle = GCHandle.Alloc(hdrB, GCHandleType.Pinned);
            sechdr = (SectorHeader)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(SectorHeader));
            handle.Free();

            DicConsole.DebugWriteLine("D88 plugin", "sechdr.c = {0}", sechdr.c);
            DicConsole.DebugWriteLine("D88 plugin", "sechdr.h = {0}", sechdr.h);
            DicConsole.DebugWriteLine("D88 plugin", "sechdr.r = {0}", sechdr.r);
            DicConsole.DebugWriteLine("D88 plugin", "sechdr.n = {0}", sechdr.n);
            DicConsole.DebugWriteLine("D88 plugin", "sechdr.spt = {0}", sechdr.spt);
            DicConsole.DebugWriteLine("D88 plugin", "sechdr.density = {0}", sechdr.density);
            DicConsole.DebugWriteLine("D88 plugin", "sechdr.deleted_mark = {0}", sechdr.deleted_mark);
            DicConsole.DebugWriteLine("D88 plugin", "sechdr.status = {0}", sechdr.status);
            DicConsole.DebugWriteLine("D88 plugin", "sechdr.size_of_data = {0}", sechdr.size_of_data);

            short spt = sechdr.spt;
            IBMSectorSizeCode bps = sechdr.n;
            bool allEqual = true;
            sectorsData = new List<byte[]>();

            for(int i = 0; i < trkCounter; i++)
            {
                stream.Seek(d88Hdr.track_table[i], SeekOrigin.Begin);
                stream.Read(hdrB, 0, hdrB.Length);
                SortedDictionary<byte, byte[]> sectors = new SortedDictionary<byte, byte[]>();

                handle = GCHandle.Alloc(hdrB, GCHandleType.Pinned);
                sechdr = (SectorHeader)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(SectorHeader));
                handle.Free();

                if(sechdr.spt != spt || sechdr.n != bps)
                {
                    DicConsole.DebugWriteLine("D88 plugin",
                                              "Disk tracks are not same size. spt = {0} (expected {1}), bps = {2} (expected {3}) at track {4} sector {5}",
                                              sechdr.spt, spt, sechdr.n, bps, i, 0);
                    allEqual = false;
                }

                short maxJ = sechdr.spt;
                byte[] secB;
                for(short j = 1; j < maxJ; j++)
                {
                    secB = new byte[sechdr.size_of_data];
                    stream.Read(secB, 0, secB.Length);
                    sectors.Add(sechdr.r, secB);
                    stream.Read(hdrB, 0, hdrB.Length);

                    handle = GCHandle.Alloc(hdrB, GCHandleType.Pinned);
                    sechdr = (SectorHeader)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(SectorHeader));
                    handle.Free();

                    if(sechdr.spt != spt || sechdr.n != bps)
                    {
                        DicConsole.DebugWriteLine("D88 plugin",
                                                  "Disk tracks are not same size. spt = {0} (expected {1}), bps = {2} (expected {3}) at track {4} sector {5}",
                                                  sechdr.spt, spt, sechdr.n, bps, i, j, sechdr.deleted_mark);
                        allEqual = false;
                    }
                }

                secB = new byte[sechdr.size_of_data];
                stream.Read(secB, 0, secB.Length);
                sectors.Add(sechdr.r, secB);

                foreach(KeyValuePair<byte, byte[]> kvp in sectors) sectorsData.Add(kvp.Value);
            }

            DicConsole.DebugWriteLine("D88 plugin", "{0} sectors", sectorsData.Count());

            /*
            FileStream debugStream = new FileStream("debug.img", FileMode.CreateNew, FileAccess.ReadWrite);
            for(int i = 0; i < sectorsData.Count; i++)
                debugStream.Write(sectorsData[i], 0, sectorsData[i].Length);
            debugStream.Close();
            */

            ImageInfo.MediaType = MediaType.Unknown;
            if(allEqual)
                if(trkCounter == 154 && spt == 26 && bps == IBMSectorSizeCode.EighthKilo)
                    ImageInfo.MediaType = MediaType.NEC_8_SD;
                else if(bps == IBMSectorSizeCode.QuarterKilo)
                {
                    if(trkCounter == 80 && spt == 16) ImageInfo.MediaType = MediaType.NEC_525_SS;
                    else if(trkCounter == 154 && spt == 26) ImageInfo.MediaType = MediaType.NEC_8_DD;
                    else if(trkCounter == 160 && spt == 16) ImageInfo.MediaType = MediaType.NEC_525_DS;
                }
                else if(trkCounter == 154 && spt == 8 && bps == IBMSectorSizeCode.Kilo)
                    ImageInfo.MediaType = MediaType.NEC_525_HD;
                else if(bps == IBMSectorSizeCode.HalfKilo)
                    switch(d88Hdr.track_table.Length)
                    {
                        case 40:
                        {
                            switch(spt)
                            {
                                case 8:
                                    ImageInfo.MediaType = MediaType.DOS_525_SS_DD_8;
                                    break;
                                case 9:
                                    ImageInfo.MediaType = MediaType.DOS_525_SS_DD_9;
                                    break;
                            }
                        }

                            break;
                        case 80:
                        {
                            switch(spt)
                            {
                                case 8:
                                    ImageInfo.MediaType = MediaType.DOS_525_DS_DD_8;
                                    break;
                                case 9:
                                    ImageInfo.MediaType = MediaType.DOS_525_DS_DD_9;
                                    break;
                            }
                        }

                            break;
                        case 160:
                        {
                            switch(spt)
                            {
                                case 15:
                                    ImageInfo.MediaType = MediaType.NEC_35_HD_15;
                                    break;
                                case 9:
                                    ImageInfo.MediaType = MediaType.DOS_35_DS_DD_9;
                                    break;
                                case 18:
                                    ImageInfo.MediaType = MediaType.DOS_35_HD;
                                    break;
                                case 36:
                                    ImageInfo.MediaType = MediaType.DOS_35_ED;
                                    break;
                            }
                        }

                            break;
                        case 480:
                            if(spt == 38) ImageInfo.MediaType = MediaType.NEC_35_TD;
                            break;
                    }

            DicConsole.DebugWriteLine("D88 plugin", "MediaType: {0}", ImageInfo.MediaType);

            ImageInfo.ImageSize = (ulong)d88Hdr.disk_size;
            ImageInfo.ImageCreationTime = imageFilter.GetCreationTime();
            ImageInfo.ImageLastModificationTime = imageFilter.GetLastWriteTime();
            ImageInfo.ImageName = Path.GetFileNameWithoutExtension(imageFilter.GetFilename());
            ImageInfo.Sectors = (ulong)sectorsData.Count;
            ImageInfo.ImageComments = StringHandlers.CToString(d88Hdr.name, shiftjis);
            ImageInfo.XmlMediaType = XmlMediaType.BlockMedia;
            ImageInfo.SectorSize = (uint)(128 << (int)bps);

            switch(ImageInfo.MediaType)
            {
                case MediaType.NEC_525_SS:
                    ImageInfo.Cylinders = 80;
                    ImageInfo.Heads = 1;
                    ImageInfo.SectorsPerTrack = 16;
                    break;
                case MediaType.NEC_8_SD:
                case MediaType.NEC_8_DD:
                    ImageInfo.Cylinders = 77;
                    ImageInfo.Heads = 2;
                    ImageInfo.SectorsPerTrack = 26;
                    break;
                case MediaType.NEC_525_DS:
                    ImageInfo.Cylinders = 80;
                    ImageInfo.Heads = 2;
                    ImageInfo.SectorsPerTrack = 16;
                    break;
                case MediaType.NEC_525_HD:
                    ImageInfo.Cylinders = 77;
                    ImageInfo.Heads = 2;
                    ImageInfo.SectorsPerTrack = 8;
                    break;
                case MediaType.DOS_525_SS_DD_8:
                    ImageInfo.Cylinders = 40;
                    ImageInfo.Heads = 1;
                    ImageInfo.SectorsPerTrack = 8;
                    break;
                case MediaType.DOS_525_SS_DD_9:
                    ImageInfo.Cylinders = 40;
                    ImageInfo.Heads = 1;
                    ImageInfo.SectorsPerTrack = 9;
                    break;
                case MediaType.DOS_525_DS_DD_8:
                    ImageInfo.Cylinders = 40;
                    ImageInfo.Heads = 2;
                    ImageInfo.SectorsPerTrack = 8;
                    break;
                case MediaType.DOS_525_DS_DD_9:
                    ImageInfo.Cylinders = 40;
                    ImageInfo.Heads = 2;
                    ImageInfo.SectorsPerTrack = 9;
                    break;
                case MediaType.NEC_35_HD_15:
                    ImageInfo.Cylinders = 80;
                    ImageInfo.Heads = 2;
                    ImageInfo.SectorsPerTrack = 15;
                    break;
                case MediaType.DOS_35_DS_DD_9:
                    ImageInfo.Cylinders = 80;
                    ImageInfo.Heads = 2;
                    ImageInfo.SectorsPerTrack = 9;
                    break;
                case MediaType.DOS_35_HD:
                    ImageInfo.Cylinders = 80;
                    ImageInfo.Heads = 2;
                    ImageInfo.SectorsPerTrack = 18;
                    break;
                case MediaType.DOS_35_ED:
                    ImageInfo.Cylinders = 80;
                    ImageInfo.Heads = 2;
                    ImageInfo.SectorsPerTrack = 36;
                    break;
                case MediaType.NEC_35_TD:
                    ImageInfo.Cylinders = 240;
                    ImageInfo.Heads = 2;
                    ImageInfo.SectorsPerTrack = 38;
                    break;
            }

            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 "D88 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)
        {
            return ReadSectors(sectorAddress, 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(int i = 0; i < length; i++)
                buffer.Write(sectorsData[(int)sectorAddress + i], 0, sectorsData[(int)sectorAddress + i].Length);

            return buffer.ToArray();
        }

        #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
    }
}