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CLK/Storage/Tape/Formats/CommodoreTAP.hpp
Thomas Harte e384c50580 Switches FileHolder to have a usage much closer to FILE *.
Thereby opens a route for file format implementations such as that appearing for CPC DSK that create an in-memory copy and perform a full rewrite.
2017-11-02 22:32:00 -04:00

54 lines
1.0 KiB
C++

//
// CommodoreTAP.hpp
// Clock Signal
//
// Created by Thomas Harte on 25/06/2016.
// Copyright © 2016 Thomas Harte. All rights reserved.
//
#ifndef CommodoreTAP_hpp
#define CommodoreTAP_hpp
#include "../Tape.hpp"
#include "../../FileHolder.hpp"
#include <cstdint>
namespace Storage {
namespace Tape {
/*!
Provides a @c Tape containing a Commodore-format tape image, which is simply a timed list of downward-going zero crossings.
*/
class CommodoreTAP: public Tape {
public:
/*!
Constructs a @c CommodoreTAP containing content from the file with name @c file_name.
@throws ErrorNotCommodoreTAP if this file could not be opened and recognised as a valid Commodore-format TAP.
*/
CommodoreTAP(const char *file_name);
enum {
ErrorNotCommodoreTAP
};
// implemented to satisfy @c Tape
bool is_at_end();
private:
Storage::FileHolder file_;
void virtual_reset();
Pulse virtual_get_next_pulse();
bool updated_layout_;
uint32_t file_size_;
Pulse current_pulse_;
bool is_at_end_;
};
}
}
#endif /* CommodoreTAP_hpp */