/***************************************************************************
 *                                                                         *
 *    LIBDSK: General floppy and diskimage access library                  *
 *    Copyright (C) 2001-2,2005  John Elliott <seasip.webmaster@gmail.com>     *
 *                                                                         *
 *    This library is free software; you can redistribute it and/or        *
 *    modify it under the terms of the GNU Library General Public          *
 *    License as published by the Free Software Foundation; either         *
 *    version 2 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    *
 *    Library General Public License for more details.                     *
 *                                                                         *
 *    You should have received a copy of the GNU Library General Public    *
 *    License along with this library; if not, write to the Free           *
 *    Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,      *
 *    MA 02111-1307, USA                                                   *
 *                                                                         *
 ***************************************************************************/

/*
 * Release 2011-04-06
*/
/* Declarations for the CopyQM driver */
typedef enum
{
    QM_DRV_UNKNWN = 0,
    QM_DRV_525DD = 1,
    QM_DRV_525HD = 2,
    QM_DRV_350DD = 3,
    QM_DRV_350HD = 4,
    QM_DRV_350ED = 6,
} qm_drv_t;

typedef struct
{
    DSK_DRIVER    qm_super;
    char*         qm_filename;
    size_t        qm_h_sector_size;
    /* Number of total sectors. Not valid if blind */
    dsk_psect_t   qm_h_nbr_sectors;
    dsk_psect_t   qm_h_nbr_sec_per_track;
    dsk_phead_t   qm_h_nbr_heads;
    int           qm_h_comment_len;
    /* Density - 1 means HD, 2 means QD */
    int           qm_h_density;
    /* Blind transfer or not. */
    int           qm_h_blind;
    dsk_pcyl_t    qm_h_used_cyls;
    dsk_pcyl_t    qm_h_total_cyls;
    /* Interleave */
    int           qm_h_interleave;
    /* Skew. Negative number for skew between sides */
    int           qm_h_skew;
    /* Sector number base. */
    signed char   qm_h_secbase;
    /* Source drive type */
    qm_drv_t      qm_h_drive;
    /* The crc read from the header */
    unsigned long qm_h_crc;
    /* The crc calculated while the image is read */
    unsigned long qm_calc_crc;
    unsigned int  qm_image_offset;
    unsigned char* qm_image;
    /* Fake sector for READ ID command */
    dsk_psect_t   qm_sector;
} QM_DSK_DRIVER;

/* Constants for the QM header fields */

#define QM_HEADER_SIZE  133
#define QM_H_BASE         0
#define QM_H_SECSIZE   0x03
#define QM_H_SECTOTL   0x0b
#define QM_H_SECPTRK   0x10
#define QM_H_HEADS     0x12
#define QM_H_DESCR     0x1c
#define QM_H_DSCR_SIZE   60
#define QM_H_BLIND     0x58
#define QM_H_DENS      0x59
#define QM_H_USED_CYL  0x5a
#define QM_H_TOTL_CYL  0x5b
#define QM_H_DATA_CRC  0x5c
#define QM_H_LABEL     0x60
#define QM_H_LBL_SIZE    11
#define QM_H_TIME      0x6b
#define QM_H_DATE      0x6d
#define QM_H_CMT_SIZE  0x6f
#define QM_H_SECBASE   0x71
#define QM_H_INTLV     0x74
#define QM_H_SKEW      0x75
#define QM_H_DRIVE     0x76
#define QM_H_HEAD_CRC  0x84

#define QM_BLIND_DOS      0
#define QM_BLIND_BLN      1
#define QM_BLIND_HFS      2

#define QM_DENS_DD        0
#define QM_DENS_HD        1
#define QM_DENS_ED        2