mirror of
https://github.com/TomHarte/CLK.git
synced 2024-11-25 16:31:42 +00:00
63 lines
1.2 KiB
C++
63 lines
1.2 KiB
C++
//
|
|
// SpectrumTAP.hpp
|
|
// Clock Signal
|
|
//
|
|
// Created by Thomas Harte on 19/03/2021.
|
|
// Copyright © 2021 Thomas Harte. All rights reserved.
|
|
//
|
|
|
|
#ifndef SpectrumTAP_hpp
|
|
#define SpectrumTAP_hpp
|
|
|
|
#include "../Tape.hpp"
|
|
#include "../../FileHolder.hpp"
|
|
|
|
#include <cstdint>
|
|
#include <string>
|
|
|
|
namespace Storage {
|
|
namespace Tape {
|
|
|
|
/*!
|
|
Provides a @c Tape containing an Spectrum-format tape image, which contains a series of
|
|
header and data blocks.
|
|
*/
|
|
class ZXSpectrumTAP: public Tape {
|
|
public:
|
|
/*!
|
|
Constructs a @c ZXSpectrumTAP containing content from the file with name @c file_name.
|
|
|
|
@throws ErrorNotZXSpectrumTAP if this file could not be opened and recognised as a valid Spectrum-format TAP.
|
|
*/
|
|
ZXSpectrumTAP(const std::string &file_name);
|
|
|
|
enum {
|
|
ErrorNotZXSpectrumTAP
|
|
};
|
|
|
|
private:
|
|
Storage::FileHolder file_;
|
|
|
|
uint16_t block_length_ = 0;
|
|
uint8_t block_type_ = 0;
|
|
uint8_t data_byte_ = 0;
|
|
enum Phase {
|
|
PilotTone,
|
|
Data,
|
|
Gap
|
|
} phase_ = Phase::PilotTone;
|
|
int distance_into_phase_ = 0;
|
|
void read_next_block();
|
|
|
|
// Implemented to satisfy @c Tape.
|
|
bool is_at_end() override;
|
|
void virtual_reset() override;
|
|
Pulse virtual_get_next_pulse() override;
|
|
};
|
|
|
|
|
|
}
|
|
}
|
|
|
|
#endif /* SpectrumTAP_hpp */
|