49 lines
1.2 KiB
C++
49 lines
1.2 KiB
C++
//
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// D64.hpp
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// Clock Signal
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//
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// Created by Thomas Harte on 01/08/2016.
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// Copyright 2016 Thomas Harte. All rights reserved.
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//
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#pragma once
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#include "Storage/Disk/DiskImage/DiskImage.hpp"
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#include "Storage/FileHolder.hpp"
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namespace Storage::Disk {
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/*!
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Provides a @c Disk containing a D64 disk image: a decoded sector dump of a C1540-format disk.
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*/
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class D64: public DiskImage {
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public:
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/*!
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Construct a @c D64 containing content from the file with name @c file_name.
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@throws Storage::FileHolder::Error::CantOpen if this file can't be opened.
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@throws Error::InvalidFormat if the file doesn't appear to contain a .D64 format image.
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*/
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D64(const std::string &file_name);
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HeadPosition maximum_head_position() const;
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std::unique_ptr<Track> track_at_position(Track::Address) const;
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bool is_read_only() const;
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void set_tracks(const std::map<Track::Address, std::unique_ptr<Track>> &);
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bool represents(const std::string &) const;
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private:
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mutable Storage::FileHolder file_;
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int number_of_tracks_;
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uint16_t disk_id_;
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struct TrackExtent {
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long file_offset;
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int zone;
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int number_of_sectors;
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};
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TrackExtent track_extent(Track::Address) const;
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};
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}
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