/*
    JPC: An x86 PC Hardware Emulator for a pure Java Virtual Machine
    Release Version 2.4

    A project from the Physics Dept, The University of Oxford

    Copyright (C) 2007-2010 The University of Oxford

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License version 2 as published by
    the Free Software Foundation.

    This program 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 General Public License for more details.

    You should have received a copy of the GNU General Public License along
    with this program; if not, write to the Free Software Foundation, Inc.,
    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
    Details (including contact information) can be found at: 

    jpc.sourceforge.net
    or the developer website
    sourceforge.net/projects/jpc/

    Conceived and Developed by:
    Rhys Newman, Ian Preston, Chris Dennis

    End of licence header
*/

package org.jpc.support;

/**
 * A <code>RawBlockDevice</code> subclass for floppy disk drives.
 * @author Chris Dennis
 */
public class FloppyBlockDevice extends RawBlockDevice
{
    /**
     * Constructs an instance backed by the given device.
     * @param data backing device
     */
    public FloppyBlockDevice(SeekableIODevice data)
    {
        super(data);
    }

    /**
     * Returns <code>false</code> as a floppy drive cannot be locked
     * @return <code>false</code>
     */
    public boolean isLocked()
    {
        return false;
    }

    /**
     * Does nothing, a floppy drive cannot be locked
     * @param locked dummy
     */
    public void setLock(boolean locked)
    {
    }

    public int getCylinders()
    {
        return -1;
    }

    public int getHeads()
    {
        return -1;
    }

    public int getSectors()
    {
        return -1;
    }

    public Type getType()
    {
        return Type.FLOPPY;
    }

    public String toString()
    {
        return "Floppy: " + super.toString();
    }
}