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// license:BSD-3-Clause
// copyright-holders:Brian Johnson
/*********************************************************************
formats/nabupc_dsk.cpp
NABU PC floppy-disk images
*********************************************************************/
#ifndef MAME_FORMATS_NABUPC_DSK_H
#define MAME_FORMATS_NABUPC_DSK_H
#pragma once
#include "flopimg.h"
class nabupc_format : public floppy_image_format_t {
public:
struct format {
uint32_t form_factor; // See floppy_image for possible values
uint32_t variant; // See floppy_image for possible values
int track_count;
int head_count;
int gap_1;
int gap_2;
int gap_3;
uint8_t dpb[18];
};
nabupc_format();
virtual const char *name() const noexcept override;
virtual const char *description() const noexcept override;
virtual const char *extensions() const noexcept override;
virtual int identify(util::random_read &io, uint32_t form_factor, const std::vector<uint32_t> &variants) const override;
virtual bool load(util::random_read &io, uint32_t form_factor, const std::vector<uint32_t> &variants, floppy_image &image) const override;
virtual bool save(util::random_read_write &io, const std::vector<uint32_t> &variants, const floppy_image &image) const override;
virtual bool supports_save() const noexcept override;
protected:
static void build_nabu_track_mfm(int track, int head, floppy_image &image, int cell_count, int sector_count, const desc_pc_sector *sects, int gap_3, int gap_1, int gap_2, const uint8_t *dpb);
int find_format(util::random_read &io, uint32_t form_factor, const std::vector<uint32_t> &variants) const;
private:
static constexpr int sector_count = 5;
static constexpr int sector_size = 1024;
static const format formats[];
};
extern const nabupc_format FLOPPY_NABUPC_FORMAT;
#endif // MAME_FORMATS_NABUPC_DSK_H
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