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// license:BSD-3-Clause
// copyright-holders:Olivier Galibert
/*********************************************************************
formats/st_dsk.h
Atari ST 9/10/11 sector-per-track formats
*********************************************************************/
#ifndef ST_DSK_H_
#define ST_DSK_H_
#include "flopimg.h"
class st_format : public floppy_image_format_t
{
public:
st_format();
virtual int identify(io_generic *io, uint32_t form_factor) override;
virtual bool load(io_generic *io, uint32_t form_factor, floppy_image *image) override;
virtual bool save(io_generic *io, floppy_image *image) override;
virtual const char *name() const override;
virtual const char *description() const override;
virtual const char *extensions() const override;
virtual bool supports_save() const override;
private:
void find_size(io_generic *io, uint8_t &track_count, uint8_t &head_count, uint8_t §or_count);
};
class msa_format : public floppy_image_format_t
{
public:
msa_format();
virtual int identify(io_generic *io, uint32_t form_factor) override;
virtual bool load(io_generic *io, uint32_t form_factor, floppy_image *image) override;
virtual bool save(io_generic *io, floppy_image *image) override;
virtual const char *name() const override;
virtual const char *description() const override;
virtual const char *extensions() const override;
virtual bool supports_save() const override;
private:
bool uncompress(uint8_t *buffer, int csize, int usize);
bool compress(const uint8_t *src, int usize, uint8_t *dest, int &csize);
void read_header(io_generic *io, uint16_t &sign, uint16_t §, uint16_t &head, uint16_t &strack, uint16_t &etrack);
};
extern const floppy_format_type FLOPPY_ST_FORMAT;
extern const floppy_format_type FLOPPY_MSA_FORMAT;
#endif /*ST_DSK_H_*/
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