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// license:???
// copyright-holders:???
#ifndef MFI_DSK_H
#define MFI_DSK_H
#include "flopimg.h"
class mfi_format : public floppy_image_format_t
{
public:
mfi_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:
enum {
TIME_MASK = 0x0fffffff,
MG_MASK = 0xf0000000,
MG_SHIFT = 28,
MG_A = (0 << MG_SHIFT),
MG_B = (1 << MG_SHIFT),
MG_N = (2 << MG_SHIFT),
MG_D = (3 << MG_SHIFT),
RESOLUTION_SHIFT = 30,
CYLINDER_MASK = 0x3fffffff
};
static const char sign[16];
struct header {
char sign[16];
unsigned int cyl_count, head_count;
unsigned int form_factor, variant;
};
struct entry {
unsigned int offset, compressed_size, uncompressed_size, write_splice;
};
};
extern const floppy_format_type FLOPPY_MFI_FORMAT;
#endif /* MFI_DSK_H */
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