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https://github.com/holub/mame
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54 lines
1.2 KiB
C++
54 lines
1.2 KiB
C++
// license:BSD-3-Clause
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// copyright-holders:Curt Coder
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/*********************************************************************
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formats/g64_dsk.h
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Commodore 1541/1571 GCR disk image format
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*********************************************************************/
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#ifndef G64_DSK_H_
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#define G64_DSK_H_
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#include "flopimg.h"
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#include "imageutl.h"
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class g64_format : public floppy_image_format_t {
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public:
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g64_format();
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virtual int identify(io_generic *io, UINT32 form_factor);
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virtual bool load(io_generic *io, UINT32 form_factor, floppy_image *image);
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virtual bool save(io_generic *io, floppy_image *image);
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virtual const char *name() const;
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virtual const char *description() const;
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virtual const char *extensions() const;
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virtual bool supports_save() const { return true; }
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protected:
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enum
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{
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POS_SIGNATURE = 0x0,
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POS_VERSION = 0x8,
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POS_TRACK_COUNT = 0x9,
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POS_MAX_TRACK_SIZE = 0xa,
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POS_TRACK_OFFSET = 0xc
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};
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enum
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{
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TRACK_LENGTH = 0x1ef8,
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TRACK_COUNT = 84
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};
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static const UINT32 c1541_cell_size[];
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int generate_bitstream(int track, int head, int speed_zone, UINT8 *trackbuf, int &track_size, floppy_image *image);
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};
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extern const floppy_format_type FLOPPY_G64_FORMAT;
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#endif
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