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51 lines
1.3 KiB
C++
51 lines
1.3 KiB
C++
//
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// AcornADF.hpp
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// Clock Signal
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//
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// Created by Thomas Harte on 25/09/2016.
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// Copyright © 2016 Thomas Harte. All rights reserved.
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//
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#ifndef AcornADF_hpp
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#define AcornADF_hpp
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#include "../Disk.hpp"
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#include "../../FileHolder.hpp"
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namespace Storage {
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namespace Disk {
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/*!
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Provies a @c Disk containing an ADF disk image — a decoded sector dump of an Acorn ADFS disk.
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*/
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class AcornADF: public Disk, public Storage::FileHolder {
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public:
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/*!
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Construct an @c AcornADF containing content from the file with name @c file_name.
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@throws ErrorCantOpen if this file can't be opened.
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@throws ErrorNotAcornADF if the file doesn't appear to contain an Acorn .ADF format image.
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*/
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AcornADF(const char *file_name);
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~AcornADF();
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enum {
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ErrorNotAcornADF,
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};
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// implemented to satisfy @c Disk
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unsigned int get_head_position_count();
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unsigned int get_head_count();
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bool get_is_read_only();
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private:
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void store_updated_track_at_position(unsigned int head, unsigned int position, const std::shared_ptr<Track> &track, std::mutex &file_access_mutex);
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std::shared_ptr<Track> get_uncached_track_at_position(unsigned int head, unsigned int position);
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long get_file_offset_for_position(unsigned int head, unsigned int position);
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};
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}
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}
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#endif /* AcornADF_hpp */
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