130 lines
3.7 KiB
C++
130 lines
3.7 KiB
C++
/* fdd.h: Header for handling raw disk images
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Copyright (c) 2007 Gergely Szasz
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$Id: disk.h 3583 2008-03-25 09:29:59Z fredm $
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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Author contact information:
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Philip: philip-fuse@shadowmagic.org.uk
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*/
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#ifndef FUSE_DISK_H
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#define FUSE_DISK_H
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#include <config.h>
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static const unsigned int DISK_FLAG_NONE = 0x00;
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static const unsigned int DISK_FLAG_PLUS3_CPC = 0x01; /* try to fix some CPC issue */
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typedef enum disk_error_t {
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DISK_OK = 0,
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DISK_IMPL,
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DISK_MEM,
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DISK_GEOM,
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DISK_OPEN,
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DISK_UNSUP,
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DISK_RDONLY,
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DISK_CLOSE,
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DISK_WRFILE,
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DISK_WRPART,
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DISK_LAST_ERROR,
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} disk_error_t;
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typedef enum disk_type_t {
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DISK_TYPE_NONE = 0,
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DISK_UDI, /* raw track disk image (our format :-) */
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DISK_FDI, /* Full Disk Image ALT */
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DISK_TD0,
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DISK_SDF, /* SAM Disk Format (deprecated) */
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/* DISCiPLE / +D / SAM Coupe */
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DISK_MGT, /* ALT */
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DISK_IMG, /* OUT-OUT */
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DISK_SAD, /* OUT-OUT with geometry header */
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DISK_CPC,
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DISK_ECPC,
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/* Beta disk interface (TR-DOS) */
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DISK_TRD,
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DISK_SCL,
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/* Opus Discovery */
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DISK_OPD,
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/* Log disk structure (.log) */
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DISK_LOG,
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DISK_TYPE_LAST,
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} disk_type_t;
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typedef enum disk_dens_t {
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DISK_DENS_AUTO = 0,
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DISK_8_SD, /* 8" SD floppy 5208 MF */
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DISK_8_DD, /* 8" DD floppy 10416 */
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DISK_SD, /* 3125 bpt MF */
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DISK_DD, /* 6250 bpt */
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DISK_DD_PLUS, /* 6500 bpt e.g. Coin Op Hits */
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DISK_HD, /* 12500 bpt*/
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} disk_dens_t;
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typedef struct disk_t {
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int sides; /* 1 or 2 */
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int cylinders; /* tracks per side */
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int bpt; /* bytes per track */
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int wrprot; /* disk write protect */
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int dirty; /* disk changed */
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unsigned int flag;
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disk_error_t status; /* last error code */
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libspectrum_byte *data; /* disk data */
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/* private part */
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int tlen; /* length of a track with clock marks (bpt + 1/8bpt) */
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libspectrum_byte *track; /* current track data bytes */
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libspectrum_byte *clocks; /* clock marks bits */
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int i; /* index for track and clocks */
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disk_type_t type; /* DISK_UDI, ... */
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disk_dens_t density; /* DISK_SD DISK_DD, or DISK_HD */
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} disk_t;
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const char *disk_strerror( int error );
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/* create an unformatted disk sides -> (1/2) cylinders -> track/side,
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dens -> 'density' related to unformatted length of a track (SD = 3125,
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DD = 6250, HD = 12500, type -> if write this disk we want to convert
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into this type of image file
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*/
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int disk_new( disk_t *d, int sides, int cylinders, disk_dens_t dens, disk_type_t type );
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/* open a disk image file. if preindex = 1 and the image file not UDI then
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pre-index gap generated with index mark (0xfc)
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this time only .mgt(.dsk)/.img/.udi and CPC/extended CPC file format
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supported
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*/
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int disk_open( disk_t *d, const char *filename, int preindex );
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/* write a disk image file (from the disk buffer). the d->type
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gives the format of file. if it DISK_TYPE_AUTO, disk_write
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try to guess from the file name (extension). if fail save as
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UDI.
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*/
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int disk_write( disk_t *d, const char *filename );
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/* close a disk and free buffers
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*/
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void disk_close( disk_t *d );
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#endif /* FUSE_DISK_H */
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