// /***************************************************************************
// The Disc Image Chef
// ----------------------------------------------------------------------------
//
// 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 © 2011-2019 Natalia Portillo
// ****************************************************************************/

using System.Diagnostics.CodeAnalysis;
using System.Runtime.InteropServices;

namespace DiscImageChef.DiscImages
{
    public partial class Apple2Mg
    {
        [SuppressMessage("ReSharper", "NotAccessedField.Local")]
        [StructLayout(LayoutKind.Sequential, Pack = 1)]
        struct A2ImgHeader
        {
            /// <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 uint CreatorSpecificOffset;
            /// <summary>
            ///     Offset 0x2C, creator specific chunk size
            /// </summary>
            public uint CreatorSpecificSize;
            /// <summary>
            ///     Offset 0x30, reserved, should be zero
            /// </summary>
            public uint Reserved1;
            /// <summary>
            ///     Offset 0x34, reserved, should be zero
            /// </summary>
            public uint Reserved2;
            /// <summary>
            ///     Offset 0x38, reserved, should be zero
            /// </summary>
            public uint Reserved3;
            /// <summary>
            ///     Offset 0x3C, reserved, should be zero
            /// </summary>
            public uint Reserved4;
        }
    }
}