85 lines
2.5 KiB
C
85 lines
2.5 KiB
C
/*
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* 86Box A hypervisor and IBM PC system emulator that specializes in
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* running old operating systems and software designed for IBM
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* PC systems and compatibles from 1981 through fairly recent
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* system designs based on the PCI bus.
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*
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* This file is part of the 86Box distribution.
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*
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* Definitions for the FDI floppy file format.
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*
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*
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*
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* Authors: Toni Wilen, <twilen@arabuusimiehet.com>
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* and Vincent Joguin,
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* Thomas Harte, <T.Harte@excite.co.uk>
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*
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* Copyright 2001-2004 Toni Wilen.
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* Copyright 2001-2004 Vincent Joguin.
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* Copyright 2001-2016 Thomas Harte.
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*/
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#ifndef __FDI2RAW_H
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#define __FDI2RAW_H
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#include <stdint.h>
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#include <stdbool.h>
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#include <stdio.h>
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typedef struct fdi FDI;
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*!
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Attempts to parse and return an FDI header from the file @c file.
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@parameter file the file from which to attempt to read the FDI.
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@returns a newly-allocated `FDI` if parsing succeeded; @c NULL otherwise.
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*/
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extern FDI *fdi2raw_header(FILE *file);
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/*!
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Release all memory associated with @c file.
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*/
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extern void fdi2raw_header_free(FDI *file);
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extern int fdi2raw_loadtrack(FDI *, uint16_t *mfmbuf, uint16_t *tracktiming, int track, int *tracklength, int *indexoffset, int *multirev, int mfm);
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extern int fdi2raw_loadrevolution(FDI *, uint16_t *mfmbuf, uint16_t *tracktiming, int track, int *tracklength, int mfm);
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typedef enum {
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FDI2RawDiskType8Inch = 0,
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FDI2RawDiskType5_25Inch = 1,
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FDI2RawDiskType3_5Inch = 2,
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FDI2RawDiskType3Inch = 3,
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} FDI2RawDiskType;
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/// @returns the disk type described by @c fdi.
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extern FDI2RawDiskType fdi2raw_get_type(FDI *fdi);
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/// @returns the bit rate at which @c fdi is sampled if spinning at the intended rate, in Kbit/s.
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extern int fdi2raw_get_bit_rate(FDI *fdi);
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/// @returns the intended rotation speed of @c fdi, in rotations per minute.
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extern int fdi2raw_get_rotation(FDI *fdi);
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/// @returns whether the imaged disk was write protected.
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extern bool fdi2raw_get_write_protect(FDI *fdi);
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/// @returns the final enumerated track represented in @c fdi.
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extern int fdi2raw_get_last_track(FDI *fdi);
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/// @returns the final enumerated head represented in @c fdi.
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extern int fdi2raw_get_last_head(FDI *fdi);
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/// @returns @c 22 if track 0 is a standard Amiga high-density; @c 11 otherwise.
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extern int fdi2raw_get_num_sector(FDI *fdi);
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extern int fdi2raw_get_tpi(FDI *fdi);
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#ifdef __cplusplus
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}
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#endif
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#endif
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