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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/*********************************************************************

    formats/ccvf_dsk.h

    Compucolor Virtual Floppy Disk Image format

*********************************************************************/

#ifndef CCVF_DSK_H_
#define CCVF_DSK_H_

#include "flopimg.h"

class ccvf_format : public floppy_image_format_t {
public:
	struct format {
		UINT32 form_factor;      // See floppy_image for possible values
		UINT32 variant;          // See floppy_image for possible values

		int cell_size;           // See floppy_image_format_t for details
		int sector_count;
		int track_count;
		int head_count;
		int sector_base_size;
		int per_sector_size[40]; // if sector_base_size is 0
		int sector_base_id;      // 0 or 1 usually, -1 if there's interleave
		int per_sector_id[40];   // if sector_base_id is -1.  If both per are used, then sector per_sector_id[i] has size per_sector_size[i]
	};

	ccvf_format();
	ccvf_format(const format *formats);

	virtual const char *name() const;
	virtual const char *description() const;
	virtual const char *extensions() const;

	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 bool supports_save() const;

protected:
	const format *formats;

	floppy_image_format_t::desc_e* get_desc_8n1(const format &f, int &current_size);
	int compute_track_size(const format &f) const;
	void build_sector_description(const format &d, UINT8 *sectdata, desc_s *sectors) const;
	void extract_sectors(floppy_image *image, const format &f, desc_s *sdesc, int track, int head);

	static const format file_formats[];
};

extern const floppy_format_type FLOPPY_CCVF_FORMAT;



#endif