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Aaru/Aaru.Filesystems/Acorn/Consts.cs

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2022-12-07 13:07:31 +00:00
// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : Consts.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Acorn filesystem plugin.
//
// --[ 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/>.
//
// ----------------------------------------------------------------------------
2024-05-01 04:17:32 +01:00
// Copyright © 2011-2024 Natalia Portillo
2022-12-07 13:07:31 +00:00
// ****************************************************************************/
namespace Aaru.Filesystems;
/// <inheritdoc />
/// <summary>Implements detection of Acorn's Advanced Data Filing System (ADFS)</summary>
public sealed partial class AcornADFS
{
/// <summary>Location for boot block, in bytes</summary>
const ulong BOOT_BLOCK_LOCATION = 0xC00;
/// <summary>Size of boot block, in bytes</summary>
const uint BOOT_BLOCK_SIZE = 0x200;
/// <summary>Location of new directory, in bytes</summary>
const ulong NEW_DIRECTORY_LOCATION = 0x400;
/// <summary>Location of old directory, in bytes</summary>
const ulong OLD_DIRECTORY_LOCATION = 0x200;
/// <summary>Size of old directory</summary>
const uint OLD_DIRECTORY_SIZE = 1280;
/// <summary>Size of new directory</summary>
const uint NEW_DIRECTORY_SIZE = 2048;
/// <summary>New directory format magic number, "Nick"</summary>
const uint NEW_DIR_MAGIC = 0x6B63694E;
/// <summary>Old directory format magic number, "Hugo"</summary>
const uint OLD_DIR_MAGIC = 0x6F677548;
const string FS_TYPE = "adfs";
}