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80 lines
1.6 KiB
C++
80 lines
1.6 KiB
C++
//
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// TapeUEF.hpp
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// Clock Signal
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//
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// Created by Thomas Harte on 18/01/2016.
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// Copyright © 2016 Thomas Harte. All rights reserved.
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//
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#ifndef TapeUEF_hpp
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#define TapeUEF_hpp
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#include "../PulseQueuedTape.hpp"
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#include "../../TargetPlatforms.hpp"
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#include <cstdint>
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#include <string>
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#include <zlib.h>
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namespace Storage {
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namespace Tape {
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/*!
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Provides a @c Tape containing a UEF tape image, a slightly-convoluted description of pulses.
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*/
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class UEF : public PulseQueuedTape, public TargetPlatform::TypeDistinguisher {
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public:
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/*!
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Constructs a @c UEF containing content from the file with name @c file_name.
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@throws ErrorNotUEF if this file could not be opened and recognised as a valid UEF.
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*/
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UEF(const std::string &file_name);
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~UEF();
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enum {
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ErrorNotUEF
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};
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private:
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void virtual_reset();
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void set_platform_type();
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TargetPlatform::Type target_platform_type();
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TargetPlatform::Type platform_type_ = TargetPlatform::Acorn;
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gzFile file_;
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unsigned int time_base_ = 1200;
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bool is_300_baud_ = false;
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struct Chunk {
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uint16_t id;
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uint32_t length;
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z_off_t start_of_next_chunk;
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};
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bool get_next_chunk(Chunk &);
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void get_next_pulses();
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void queue_implicit_bit_pattern(uint32_t length);
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void queue_explicit_bit_pattern(uint32_t length);
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void queue_integer_gap();
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void queue_floating_point_gap();
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void queue_carrier_tone();
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void queue_carrier_tone_with_dummy();
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void queue_security_cycles();
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void queue_defined_data(uint32_t length);
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void queue_bit(int bit);
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void queue_implicit_byte(uint8_t byte);
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};
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}
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}
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#endif /* TapeUEF_hpp */
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