jv1.h

/**
 @file jv1.h

 @brief based on TRS-80 Virtual Disk Kit v1.7 for Windows by Miguel Dutra
 Linux port VDK-80-Linux done by Mike Gore, 2016

 @par Tools to Read and Write files inside common TRS-80 emulator images

 @par Copyright © 2016 Miguel Dutra, GPL License
 @par You are free to use this code under the terms of GPL
   please retain a copy of this notice in any code you use it in.

 This 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 3 of the License, or (at your option) any later version.

 The software 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, see <http://www.gnu.org/licenses/>.

 @par Original Windows Code
  @see http://www.trs-80.com/wordpress/category/contributors/miguel-dutra/
  @see http://www.trs-80.com/wordpress/dsk-and-dmk-image-utilities/
  @see Miguel Dutra www.mdutra.com
*/
//---------------------------------------------------------------------------------
// Virtual Disk Interface for JV1 images
//---------------------------------------------------------------------------------

#define JV1_SECTORSIZE  256                                                             // Standard sector size for a JV1 image

class CJV1: public CVDI
{
protected:
    WORD    m_wSectors;                                                                 // Total number of disk sectors in the disk
public:
    DWORD   Load(HANDLE hFile, DWORD dwFlags);                                          // Validate disk format and detect disk geometry
    DWORD   Read(BYTE nTrack, BYTE nSide, BYTE nSector, BYTE* pBuffer, WORD wSize);     // Read one sector from the disk
    DWORD   Write(BYTE nTrack, BYTE nSide, BYTE nSector, BYTE* pBuffer, WORD wSize);    // Write one sector to the disk
protected:
    virtual DWORD   Seek(BYTE nTrack, BYTE nSide, BYTE nSector);                        // Position the file pointer
};