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86Box/src/floppy/fdd_86f.h

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/*
* VARCem Virtual ARchaeological Computer EMulator.
* An emulator of (mostly) x86-based PC systems and devices,
* using the ISA,EISA,VLB,MCA and PCI system buses, roughly
* spanning the era between 1981 and 1995.
*
* This file is part of the VARCem Project.
*
* Definitions for the 86F floppy image format.
*
* Version: @(#)floppy_86f.h 1.0.4 2018/03/17
*
* Authors: Fred N. van Kempen, <decwiz@yahoo.com>
* Miran Grca, <mgrca8@gmail.com>
*
* Copyright 2018 Fred N. van Kempen.
* Copyright 2016-2018 Miran Grca.
*
* 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.
*
* 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.
* 59 Temple Place - Suite 330
* Boston, MA 02111-1307
* USA.
*/
#ifndef EMU_FLOPPY_86F_H
# define EMU_FLOPPY_86F_H
#define D86FVER 0x020B
extern void d86f_init(void);
extern void d86f_load(int drive, wchar_t *fn);
extern void d86f_close(int drive);
extern void d86f_seek(int drive, int track);
extern int d86f_hole(int drive);
extern double d86f_byteperiod(int drive);
extern void d86f_stop(int drive);
extern void d86f_poll(int drive);
extern int d86f_realtrack(int track, int drive);
extern void d86f_reset(int drive, int side);
extern void d86f_readsector(int drive, int sector, int track, int side, int density, int sector_size);
extern void d86f_writesector(int drive, int sector, int track, int side, int density, int sector_size);
extern void d86f_comparesector(int drive, int sector, int track, int side, int rate, int sector_size);
extern void d86f_readaddress(int drive, int side, int density);
extern void d86f_format(int drive, int side, int density, uint8_t fill);
extern void d86f_prepare_track_layout(int drive, int side);
extern void d86f_set_version(int drive, uint16_t version);
extern uint16_t d86f_side_flags(int drive);
extern uint16_t d86f_track_flags(int drive);
extern void d86f_initialize_last_sector_id(int drive, int c, int h,
int r, int n);
extern void d86f_initialize_linked_lists(int drive);
extern void d86f_destroy_linked_lists(int drive, int side);
#define length_gap0 80
#define length_gap1 50
#define length_sync 12
#define length_am 4
#define length_crc 2
#define IBM
#define MFM
#ifdef IBM
#define pre_gap1 length_gap0 + length_sync + length_am
#else
#define pre_gap1 0
#endif
#define pre_track pre_gap1 + length_gap1
#define pre_gap length_sync + length_am + 4 + length_crc
#define pre_data length_sync + length_am
#define post_gap length_crc
#endif /*EMU_FLOPPY_86F_H*/