Files
Aaru/Aaru.Images/Apridisk/Helpers.cs

45 lines
1.9 KiB
C#

// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : Helpers.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Disk image plugins.
//
// --[ Description ] ----------------------------------------------------------
//
// Contains helpers for Apridisk 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 © 2011-2025 Natalia Portillo
// ****************************************************************************/
namespace Aaru.Images;
public sealed partial class Apridisk
{
(ushort cylinder, byte head, byte sector) LbaToChs(ulong lba)
{
var cylinder = (ushort)(lba / (_imageInfo.Heads * _imageInfo.SectorsPerTrack));
var head = (byte)(lba / _imageInfo.SectorsPerTrack % _imageInfo.Heads);
var sector = (byte)(lba % _imageInfo.SectorsPerTrack + 1);
return (cylinder, head, sector);
}
}