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CLK/Storage/Tape/Formats/OricTAP.hpp
2024-01-16 23:34:46 -05:00

56 lines
1.1 KiB
C++

//
// OricTAP.hpp
// Clock Signal
//
// Created by Thomas Harte on 10/10/2016.
// 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 an Oric-format tape image, which is a byte stream capture.
*/
class OricTAP: public Tape {
public:
/*!
Constructs an @c OricTAP containing content from the file with name @c file_name.
@throws ErrorNotOricTAP if this file could not be opened and recognised as a valid Oric-format TAP.
*/
OricTAP(const std::string &file_name);
enum {
ErrorNotOricTAP
};
// implemented to satisfy @c Tape
bool is_at_end();
private:
Storage::FileHolder file_;
void virtual_reset();
Pulse virtual_get_next_pulse();
// byte serialisation and output
uint16_t current_value_;
int bit_count_;
int pulse_counter_;
enum Phase {
LeadIn, Header, Data, Gap, End
} phase_, next_phase_;
int phase_counter_;
uint16_t data_end_address_, data_start_address_;
};
}