Files
Aaru/Aaru.Images/Apple2MG/Structs.cs

83 lines
3.5 KiB
C#

// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : Structs.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Disk image plugins.
//
// --[ Description ] ----------------------------------------------------------
//
// Contains structures for XGS emulator 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 © 2011-2023 Natalia Portillo
// ****************************************************************************/
using System.Diagnostics.CodeAnalysis;
using System.Runtime.InteropServices;
namespace Aaru.Images;
public sealed partial class Apple2Mg
{
#region Nested type: Header
[SuppressMessage("ReSharper", "NotAccessedField.Local")]
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct Header
{
/// <summary>Offset 0x00, magic</summary>
public uint Magic;
/// <summary>Offset 0x04, disk image creator ID</summary>
public uint Creator;
/// <summary>Offset 0x08, header size, constant 0x0040</summary>
public ushort HeaderSize;
/// <summary>Offset 0x0A, disk image version</summary>
public ushort Version;
/// <summary>Offset 0x0C, disk image format</summary>
public SectorOrder ImageFormat;
/// <summary>Offset 0x10, flags and volume number</summary>
public uint Flags;
/// <summary>Offset 0x14, blocks for ProDOS, 0 otherwise</summary>
public uint Blocks;
/// <summary>Offset 0x18, offset to data</summary>
public uint DataOffset;
/// <summary>Offset 0x1C, data size in bytes</summary>
public uint DataSize;
/// <summary>Offset 0x20, offset to optional comment</summary>
public uint CommentOffset;
/// <summary>Offset 0x24, length of optional comment</summary>
public uint CommentSize;
/// <summary>Offset 0x28, offset to creator specific chunk</summary>
public readonly uint CreatorSpecificOffset;
/// <summary>Offset 0x2C, creator specific chunk size</summary>
public readonly uint CreatorSpecificSize;
/// <summary>Offset 0x30, reserved, should be zero</summary>
public readonly uint Reserved1;
/// <summary>Offset 0x34, reserved, should be zero</summary>
public readonly uint Reserved2;
/// <summary>Offset 0x38, reserved, should be zero</summary>
public readonly uint Reserved3;
/// <summary>Offset 0x3C, reserved, should be zero</summary>
public readonly uint Reserved4;
}
#endregion
}