mame/src/lib/formats/st_dsk.h
2015-05-07 11:27:58 +02:00

58 lines
1.6 KiB
C++

// license:???
// copyright-holders:???
/*********************************************************************
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 form_factor);
virtual bool load(io_generic *io, UINT32 form_factor, floppy_image *image);
virtual bool save(io_generic *io, floppy_image *image);
virtual const char *name() const;
virtual const char *description() const;
virtual const char *extensions() const;
virtual bool supports_save() const;
private:
void find_size(io_generic *io, UINT8 &track_count, UINT8 &head_count, UINT8 &sector_count);
};
class msa_format : public floppy_image_format_t
{
public:
msa_format();
virtual int identify(io_generic *io, UINT32 form_factor);
virtual bool load(io_generic *io, UINT32 form_factor, floppy_image *image);
virtual bool save(io_generic *io, floppy_image *image);
virtual const char *name() const;
virtual const char *description() const;
virtual const char *extensions() const;
virtual bool supports_save() const;
private:
bool uncompress(UINT8 *buffer, int csize, int usize);
bool compress(const UINT8 *src, int usize, UINT8 *dest, int &csize);
void read_header(io_generic *io, UINT16 &sign, UINT16 &sect, UINT16 &head, UINT16 &strack, UINT16 &etrack);
};
extern const floppy_format_type FLOPPY_ST_FORMAT;
extern const floppy_format_type FLOPPY_MSA_FORMAT;
#endif /*ST_DSK_H_*/