1
0
mirror of https://github.com/TomHarte/CLK.git synced 2024-12-29 13:29:46 +00:00
CLK/Storage/Tape/Parsers/ZX8081.hpp

65 lines
1.5 KiB
C++

//
// ZX8081.hpp
// Clock Signal
//
// Created by Thomas Harte on 07/06/2017.
// Copyright 2017 Thomas Harte. All rights reserved.
//
#ifndef Storage_Tape_Parsers_ZX8081_hpp
#define Storage_Tape_Parsers_ZX8081_hpp
#include "TapeParser.hpp"
#include "../../Data/ZX8081.hpp"
#include <string>
#include <vector>
#include <cstdint>
namespace Storage {
namespace Tape {
namespace ZX8081 {
enum class WaveType {
Pulse, Gap, LongGap, Unrecognised
};
enum class SymbolType {
One, Zero, FileGap, Unrecognised
};
class Parser: public Storage::Tape::PulseClassificationParser<WaveType, SymbolType> {
public:
Parser();
/*!
Reads and combines the next eight bits. Returns -1 if any errors are encountered.
*/
int get_next_byte(const std::shared_ptr<Storage::Tape::Tape> &tape);
/*!
Waits for a long gap, reads all the bytes between that and the next long gap, then
attempts to parse those as a valid ZX80 or ZX81 file. If no file is found,
returns nullptr.
*/
std::shared_ptr<Storage::Data::ZX8081::File> get_next_file(const std::shared_ptr<Storage::Tape::Tape> &tape);
private:
bool pulse_was_high_;
Time pulse_time_;
void post_pulse();
void process_pulse(const Storage::Tape::Tape::Pulse &pulse) override;
void mark_end() override;
void inspect_waves(const std::vector<WaveType> &waves) override;
std::shared_ptr<std::vector<uint8_t>> get_next_file_data(const std::shared_ptr<Storage::Tape::Tape> &tape);
};
}
}
}
#endif /* ZX8081_hpp */