mirror of
https://github.com/holub/mame
synced 2025-05-22 21:58:57 +03:00
53 lines
1.2 KiB
C++
53 lines
1.2 KiB
C++
// license:BSD-3-Clause
|
|
// copyright-holders:Olivier Galibert
|
|
#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) override;
|
|
virtual bool load(io_generic *io, UINT32 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:
|
|
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 */
|