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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/*********************************************************************
formats/g64_dsk.h
Commodore 1541/1571 GCR disk image format
*********************************************************************/
#ifndef G64_DSK_H_
#define G64_DSK_H_
#include "flopimg.h"
#include "imageutl.h"
class g64_format : public floppy_image_format_t {
public:
g64_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 { return true; }
protected:
enum
{
POS_SIGNATURE = 0x0,
POS_VERSION = 0x8,
POS_TRACK_COUNT = 0x9,
POS_MAX_TRACK_SIZE = 0xa,
POS_TRACK_OFFSET = 0xc
};
enum
{
TRACK_LENGTH = 0x1ef8,
TRACK_COUNT = 84
};
static const UINT32 c1541_cell_size[];
int generate_bitstream(int track, int head, int speed_zone, UINT8 *trackbuf, int &track_size, floppy_image *image);
};
extern const floppy_format_type FLOPPY_G64_FORMAT;
#endif
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