Files
86Box/src/floppy/fdd_common.h

54 lines
1.7 KiB
C
Raw Normal View History

/*
* 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.
*
* Shared code for all the floppy modules.
*
* Version: @(#)fdd_common.h 1.0.2 2018/03/16
*
* Author: Fred N. van Kempen, <decwiz@yahoo.com>
*
* Copyright 2017,2018 Fred N. van Kempen.
*
* 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 FDD_COMMON_H
# define FDD_COMMON_H
extern const uint8_t fdd_holes[6];
extern const uint8_t fdd_rates[6];
extern const double fdd_bit_rates_300[6];
extern const uint8_t fdd_max_sectors[8][6];
extern const uint8_t fdd_dmf_r[21];
extern int fdd_get_gap3_size(int rate, int size, int sector);
extern uint8_t fdd_sector_size_code(int size);
extern int fdd_sector_code_size(uint8_t code);
extern int fdd_bps_valid(uint16_t bps);
extern int fdd_interleave(int sector, int skew, int spt);
#endif /*FDD_COMMON_H*/