mirror of
https://github.com/TomHarte/CLK.git
synced 2025-02-28 06:29:37 +00:00
61 lines
1.2 KiB
C++
61 lines
1.2 KiB
C++
//
|
|
// CommodoreTAP.hpp
|
|
// Clock Signal
|
|
//
|
|
// Created by Thomas Harte on 25/06/2016.
|
|
// Copyright 2016 Thomas Harte. All rights reserved.
|
|
//
|
|
|
|
#pragma once
|
|
|
|
#include "../Tape.hpp"
|
|
#include "../../FileHolder.hpp"
|
|
|
|
#include <cstdint>
|
|
#include <string>
|
|
|
|
namespace Storage::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 std::string &file_name);
|
|
|
|
enum {
|
|
ErrorNotCommodoreTAP
|
|
};
|
|
|
|
private:
|
|
struct Serialiser: public TapeSerialiser {
|
|
Serialiser(const std::string &file_name);
|
|
|
|
private:
|
|
bool is_at_end() const override;
|
|
void reset() override;
|
|
Pulse next_pulse() override;
|
|
|
|
Storage::FileHolder file_;
|
|
|
|
uint32_t file_size_;
|
|
uint8_t version_;
|
|
bool updated_layout() const {
|
|
return version_ >= 1;
|
|
}
|
|
bool half_waves() const {
|
|
return version_ >= 2;
|
|
}
|
|
|
|
Pulse current_pulse_;
|
|
bool is_at_end_ = false;
|
|
} serialiser_;
|
|
};
|
|
|
|
}
|