/* -*- mode: C++; tab-width: 4 -*- */
/* ===================================================================== *\
	Copyright (c) 2000-2001 Palm, Inc. or its subsidiaries.
	All rights reserved.

	This file is part of the Palm OS Emulator.

	This program is free software; you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation; either version 2 of the License, or
	(at your option) any later version.
\* ===================================================================== */

#ifndef EmTRGDiskIO_h
#define EmTRGDiskIO_h

/************************************************************************
 * This class handles the generic low level disk access.
 ************************************************************************/
#include "EmTRGCFDefs.h"
#include "EmTRGDiskType.h"

#define UNKNOWN_DRIVE 0
#define CF_DRIVE  1
#define SD_DRIVE  2

#define SECTOR_SIZE 512

class EmTRGDiskIO 
{
private:
    int             m_driveNo;
    EmDiskTypeID    m_diskTypeID;
	EmCurrDiskType	m_currDisk;

    int     Format(void);
    char   *GetFilePath(int driveNo);

    int     Read(uint32 sectorNum, void *buffer);
    int     Write(uint32 sectorNum, void *buffer);

public:
    EmTRGDiskIO(void);
    ~EmTRGDiskIO();

    void Initialize(EmDiskTypeID DiskTypeID, int driveNo);
    void Dispose(void);

    int  ReadSector(uint32 sectorNum, void *buffer);
    int  WriteSector(uint32 sectorNum, void *buffer);
};

#endif	/* EmTRGDiskIO_h */