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Natalia Portillo
0de296b512
Corrected typo on audio track matching. * DiscImageChef.DiscImages/CDRWin.cs: Corrected detection of images with CD-Text. Do not output partitions for index 0. * DiscImageChef.DiscImages/CopyQM.cs: Do not create debug image output. * DiscImageChef.DiscImages/Nero.cs: Added type for any dvd seen on old Nero version. Corrected handling of images where pregap is not indicated (nonetheless, Nero stores them). Corrected handling of track 1 (Lead-In is stored there). Corrected session count in discs with 1 session. Do not add partitions of index 0. Corrected partition start offset of disc start. Guess disc type for old Nero discs. Corrected output of Mode2 sectors stored in RAW mode. Do not throw exceptions on values that should be returned empty or null if not supported by image format. * DiscImageChef.Filesystems/FFS.cs: * DiscImageChef.Filesystems/BFS.cs: * DiscImageChef.Filesystems/ODS.cs: * DiscImageChef.Filesystems/FAT.cs: * DiscImageChef.Filesystems/APFS.cs: * DiscImageChef.Filesystems/NTFS.cs: * DiscImageChef.Filesystems/SysV.cs: * DiscImageChef.Filesystems/HPFS.cs: * DiscImageChef.Filesystems/Opera.cs: * DiscImageChef.Filesystems/Acorn.cs: * DiscImageChef.Filesystems/extFS.cs: * DiscImageChef.Filesystems/BTRFS.cs: * DiscImageChef.Filesystems/ext2FS.cs: * DiscImageChef.Filesystems/ProDOS.cs: * DiscImageChef.Filesystems/SolarFS.cs: * DiscImageChef.Filesystems/UNIXBFS.cs: * DiscImageChef.Filesystems/ISO9660.cs: * DiscImageChef.Filesystems/MinixFS.cs: * DiscImageChef.Filesystems/AmigaDOS.cs: * DiscImageChef.Filesystems/PCEngine.cs: * DiscImageChef.Filesystems/AppleHFS.cs: * DiscImageChef.Filesystems/AppleHFSPlus.cs: * DiscImageChef.Filesystems/AppleMFS/Info.cs: Do not try to read past partition end. * DiscImageChef/Commands/CreateSidecar.cs: Added points for skipping whole image checksum on debugging. Track starts at index 0.
212 lines
10 KiB
C#
212 lines
10 KiB
C#
// /***************************************************************************
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// The Disc Image Chef
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// ----------------------------------------------------------------------------
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//
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// Filename : Info.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : Apple Macintosh File System plugin.
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Identifies the Apple Macintosh File System and shows information.
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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 © 2011-2016 Natalia Portillo
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// ****************************************************************************/
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using System;
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using System.Text;
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namespace DiscImageChef.Filesystems.AppleMFS
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{
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// Information from Inside Macintosh Volume II
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partial class AppleMFS : Filesystem
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{
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public override bool Identify(ImagePlugins.ImagePlugin imagePlugin, ulong partitionStart, ulong partitionEnd)
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{
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ushort drSigWord;
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if((2 + partitionStart) >= partitionEnd)
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return false;
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byte[] mdb_sector = imagePlugin.ReadSector(2 + partitionStart);
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BigEndianBitConverter.IsLittleEndian = BitConverter.IsLittleEndian;
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drSigWord = BigEndianBitConverter.ToUInt16(mdb_sector, 0x000);
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return drSigWord == MFS_MAGIC;
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}
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public override void GetInformation(ImagePlugins.ImagePlugin imagePlugin, ulong partitionStart, ulong partitionEnd, out string information)
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{
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information = "";
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StringBuilder sb = new StringBuilder();
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MFS_MasterDirectoryBlock MDB = new MFS_MasterDirectoryBlock();
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MFS_BootBlock BB = new MFS_BootBlock();
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byte[] pString = new byte[16];
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byte[] variable_size;
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byte[] mdb_sector = imagePlugin.ReadSector(2 + partitionStart);
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byte[] bb_sector = imagePlugin.ReadSector(0 + partitionStart);
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BigEndianBitConverter.IsLittleEndian = BitConverter.IsLittleEndian;
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MDB.drSigWord = BigEndianBitConverter.ToUInt16(mdb_sector, 0x000);
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if(MDB.drSigWord != MFS_MAGIC)
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return;
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MDB.drCrDate = BigEndianBitConverter.ToUInt32(mdb_sector, 0x002);
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MDB.drLsBkUp = BigEndianBitConverter.ToUInt32(mdb_sector, 0x006);
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MDB.drAtrb = BigEndianBitConverter.ToUInt16(mdb_sector, 0x00A);
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MDB.drNmFls = BigEndianBitConverter.ToUInt16(mdb_sector, 0x00C);
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MDB.drDirSt = BigEndianBitConverter.ToUInt16(mdb_sector, 0x00E);
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MDB.drBlLen = BigEndianBitConverter.ToUInt16(mdb_sector, 0x010);
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MDB.drNmAlBlks = BigEndianBitConverter.ToUInt16(mdb_sector, 0x012);
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MDB.drAlBlkSiz = BigEndianBitConverter.ToUInt32(mdb_sector, 0x014);
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MDB.drClpSiz = BigEndianBitConverter.ToUInt32(mdb_sector, 0x018);
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MDB.drAlBlSt = BigEndianBitConverter.ToUInt16(mdb_sector, 0x01C);
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MDB.drNxtFNum = BigEndianBitConverter.ToUInt32(mdb_sector, 0x01E);
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MDB.drFreeBks = BigEndianBitConverter.ToUInt16(mdb_sector, 0x022);
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MDB.drVNSiz = mdb_sector[0x024];
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variable_size = new byte[MDB.drVNSiz+1];
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Array.Copy(mdb_sector, 0x024, variable_size, 0, MDB.drVNSiz+1);
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MDB.drVN = GetStringFromPascal(variable_size);
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BB.signature = BigEndianBitConverter.ToUInt16(bb_sector, 0x000);
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if(BB.signature == MFSBB_MAGIC)
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{
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BB.branch = BigEndianBitConverter.ToUInt32(bb_sector, 0x002);
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BB.boot_flags = bb_sector[0x006];
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BB.boot_version = bb_sector[0x007];
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BB.sec_sv_pages = BigEndianBitConverter.ToInt16(bb_sector, 0x008);
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Array.Copy(mdb_sector, 0x00A, pString, 0, 16);
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BB.system_name = GetStringFromPascal(pString);
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Array.Copy(mdb_sector, 0x01A, pString, 0, 16);
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BB.finder_name = GetStringFromPascal(pString);
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Array.Copy(mdb_sector, 0x02A, pString, 0, 16);
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BB.debug_name = GetStringFromPascal(pString);
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Array.Copy(mdb_sector, 0x03A, pString, 0, 16);
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BB.disasm_name = GetStringFromPascal(pString);
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Array.Copy(mdb_sector, 0x04A, pString, 0, 16);
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BB.stupscr_name = GetStringFromPascal(pString);
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Array.Copy(mdb_sector, 0x05A, pString, 0, 16);
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BB.bootup_name = GetStringFromPascal(pString);
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Array.Copy(mdb_sector, 0x06A, pString, 0, 16);
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BB.clipbrd_name = GetStringFromPascal(pString);
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BB.max_files = BigEndianBitConverter.ToUInt16(bb_sector, 0x07A);
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BB.queue_size = BigEndianBitConverter.ToUInt16(bb_sector, 0x07C);
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BB.heap_128k = BigEndianBitConverter.ToUInt32(bb_sector, 0x07E);
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BB.heap_256k = BigEndianBitConverter.ToUInt32(bb_sector, 0x082);
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BB.heap_512k = BigEndianBitConverter.ToUInt32(bb_sector, 0x086);
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}
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else
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BB.signature = 0x0000;
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sb.AppendLine("Apple Macintosh File System");
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sb.AppendLine();
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sb.AppendLine("Master Directory Block:");
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sb.AppendFormat("Creation date: {0}", DateHandlers.MacToDateTime(MDB.drCrDate)).AppendLine();
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sb.AppendFormat("Last backup date: {0}", DateHandlers.MacToDateTime(MDB.drLsBkUp)).AppendLine();
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if((MDB.drAtrb & 0x80) == 0x80)
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sb.AppendLine("Volume is locked by hardware.");
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if((MDB.drAtrb & 0x8000) == 0x8000)
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sb.AppendLine("Volume is locked by software.");
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sb.AppendFormat("{0} files on volume", MDB.drNmFls).AppendLine();
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sb.AppendFormat("First directory sector: {0}", MDB.drDirSt).AppendLine();
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sb.AppendFormat("{0} sectors in directory.", MDB.drBlLen).AppendLine();
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sb.AppendFormat("{0} volume allocation blocks.", MDB.drNmAlBlks + 1).AppendLine();
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sb.AppendFormat("Size of allocation blocks: {0} bytes", MDB.drAlBlkSiz).AppendLine();
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sb.AppendFormat("{0} bytes to allocate.", MDB.drClpSiz).AppendLine();
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sb.AppendFormat("First allocation block (#2) starts in sector {0}.", MDB.drAlBlSt).AppendLine();
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sb.AppendFormat("Next unused file number: {0}", MDB.drNxtFNum).AppendLine();
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sb.AppendFormat("{0} unused allocation blocks.", MDB.drFreeBks).AppendLine();
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sb.AppendFormat("Volume name: {0}", MDB.drVN).AppendLine();
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if(BB.signature == MFSBB_MAGIC)
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{
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sb.AppendLine("Volume is bootable.");
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sb.AppendLine();
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sb.AppendLine("Boot Block:");
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if((BB.boot_flags & 0x40) == 0x40)
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sb.AppendLine("Boot block should be executed.");
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if((BB.boot_flags & 0x80) == 0x80)
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{
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sb.AppendLine("Boot block is in new unknown format.");
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}
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else
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{
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if(BB.sec_sv_pages > 0)
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sb.AppendLine("Allocate secondary sound buffer at boot.");
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else if(BB.sec_sv_pages < 0)
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sb.AppendLine("Allocate secondary sound and video buffers at boot.");
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sb.AppendFormat("System filename: {0}", BB.system_name).AppendLine();
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sb.AppendFormat("Finder filename: {0}", BB.finder_name).AppendLine();
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sb.AppendFormat("Debugger filename: {0}", BB.debug_name).AppendLine();
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sb.AppendFormat("Disassembler filename: {0}", BB.disasm_name).AppendLine();
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sb.AppendFormat("Startup screen filename: {0}", BB.stupscr_name).AppendLine();
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sb.AppendFormat("First program to execute at boot: {0}", BB.bootup_name).AppendLine();
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sb.AppendFormat("Clipboard filename: {0}", BB.clipbrd_name).AppendLine();
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sb.AppendFormat("Maximum opened files: {0}", BB.max_files * 4).AppendLine();
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sb.AppendFormat("Event queue size: {0}", BB.queue_size).AppendLine();
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sb.AppendFormat("Heap size with 128KiB of RAM: {0} bytes", BB.heap_128k).AppendLine();
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sb.AppendFormat("Heap size with 256KiB of RAM: {0} bytes", BB.heap_256k).AppendLine();
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sb.AppendFormat("Heap size with 512KiB of RAM or more: {0} bytes", BB.heap_512k).AppendLine();
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}
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}
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else
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sb.AppendLine("Volume is not bootable.");
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information = sb.ToString();
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xmlFSType = new Schemas.FileSystemType();
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if(MDB.drLsBkUp > 0)
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{
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xmlFSType.BackupDate = DateHandlers.MacToDateTime(MDB.drLsBkUp);
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xmlFSType.BackupDateSpecified = true;
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}
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xmlFSType.Bootable = BB.signature == MFSBB_MAGIC;
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xmlFSType.Clusters = MDB.drNmAlBlks;
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xmlFSType.ClusterSize = (int)MDB.drAlBlkSiz;
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if(MDB.drCrDate > 0)
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{
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xmlFSType.CreationDate = DateHandlers.MacToDateTime(MDB.drCrDate);
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xmlFSType.CreationDateSpecified = true;
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}
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xmlFSType.Files = MDB.drNmFls;
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xmlFSType.FilesSpecified = true;
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xmlFSType.FreeClusters = MDB.drFreeBks;
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xmlFSType.FreeClustersSpecified = true;
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xmlFSType.Type = "MFS";
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xmlFSType.VolumeName = MDB.drVN;
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return;
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}
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}
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}
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