// license:BSD-3-Clause // copyright-holders:Olivier Galibert #ifndef MAME_FORMATS_MFI_DSK_H #define MAME_FORMATS_MFI_DSK_H #pragma once #include "flopimg.h" class mfi_format : public floppy_image_format_t { public: mfi_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: 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 // MAME_FORMATS_MFI_DSK_H