mirror of
https://github.com/holub/mame
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ddb290d5f6
Use standard uint64_t, uint32_t, uint16_t or uint8_t instead of UINT64, UINT32, UINT16 or UINT8 also use standard int64_t, int32_t, int16_t or int8_t instead of INT64, INT32, INT16 or INT8
87 lines
3.0 KiB
C++
87 lines
3.0 KiB
C++
// license:BSD-3-Clause
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// copyright-holders:Curt Coder
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/*********************************************************************
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formats/d64_dsk.h
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Commodore 4040/1541/1551 sector disk image format
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*********************************************************************/
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#ifndef D64_DSK_H_
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#define D64_DSK_H_
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#include "flopimg.h"
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class d64_format : public floppy_image_format_t {
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public:
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struct format {
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uint32_t form_factor; // See floppy_image for possible values
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uint32_t variant; // See floppy_image for possible values
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uint16_t sector_count;
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uint8_t track_count;
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uint8_t head_count;
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uint16_t sector_base_size;
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uint8_t gap_1;
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uint8_t gap_2;
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};
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d64_format();
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d64_format(const format *formats);
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virtual const char *name() const override;
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virtual const char *description() const override;
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virtual const char *extensions() const override;
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virtual int identify(io_generic *io, uint32_t form_factor) override;
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virtual bool load(io_generic *io, uint32_t form_factor, floppy_image *image) override;
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virtual bool save(io_generic *io, floppy_image *image) override;
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virtual bool supports_save() const override { return true; }
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protected:
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enum
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{
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ERROR_00 = 1,
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ERROR_20, /* header block not found */
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ERROR_21, /* no sync character */
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ERROR_22, /* data block not present */
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ERROR_23, /* checksum error in data block */
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ERROR_24, /* write verify (on format) UNIMPLEMENTED */
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ERROR_25, /* write verify error UNIMPLEMENTED */
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ERROR_26, /* write protect on UNIMPLEMENTED */
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ERROR_27, /* checksum error in header block */
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ERROR_28, /* write error UNIMPLEMENTED */
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ERROR_29, /* disk ID mismatch */
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ERROR_74 /* disk not ready (no device 1) UNIMPLEMENTED */
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};
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const format *formats;
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int find_size(io_generic *io, uint32_t form_factor) const;
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virtual int get_physical_track(const format &f, int head, int track);
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virtual uint32_t get_cell_size(const format &f, int track);
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virtual int get_sectors_per_track(const format &f, int track);
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virtual int get_disk_id_offset(const format &f);
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void get_disk_id(const format &f, io_generic *io, uint8_t &id1, uint8_t &id2);
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virtual int get_image_offset(const format &f, int head, int track);
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int compute_track_size(const format &f, int track);
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virtual int get_gap2(const format &f, int head, int track) { return f.gap_2; }
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virtual floppy_image_format_t::desc_e* get_sector_desc(const format &f, int ¤t_size, int sector_count, uint8_t id1, uint8_t id2, int gap_2);
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void build_sector_description(const format &f, uint8_t *sectdata, uint32_t sect_offs, uint32_t error_offs, desc_s *sectors, int sector_count) const;
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virtual void fix_end_gap(floppy_image_format_t::desc_e* desc, int remaining_size);
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void extract_sectors(floppy_image *image, const format &f, desc_s *sdesc, int track, int head, int sector_count);
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static const format file_formats[];
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static const uint32_t cell_size[];
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static const int sectors_per_track[];
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static const int speed_zone[];
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};
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extern const floppy_format_type FLOPPY_D64_FORMAT;
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#endif
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