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CLK/Storage/Tape/Parsers/Acorn.hpp
2016-12-03 12:05:19 -05:00

49 lines
1.0 KiB
C++

//
// Acorn.hpp
// Clock Signal
//
// Created by Thomas Harte on 06/11/2016.
// Copyright © 2016 Thomas Harte. All rights reserved.
//
#ifndef Storage_Tape_Parsers_Acorn_hpp
#define Storage_Tape_Parsers_Acorn_hpp
#include "TapeParser.hpp"
#include "../../../NumberTheory/CRC.hpp"
namespace Storage {
namespace Tape {
namespace Acorn {
enum class WaveType {
Short, Long, Unrecognised
};
enum class SymbolType {
One, Zero
};
class Parser: public Storage::Tape::Parser<WaveType, SymbolType> {
public:
Parser();
int get_next_bit(const std::shared_ptr<Storage::Tape::Tape> &tape);
int get_next_byte(const std::shared_ptr<Storage::Tape::Tape> &tape);
int get_next_short(const std::shared_ptr<Storage::Tape::Tape> &tape);
int get_next_word(const std::shared_ptr<Storage::Tape::Tape> &tape);
void reset_crc();
uint16_t get_crc();
private:
void process_pulse(Storage::Tape::Tape::Pulse pulse);
void inspect_waves(const std::vector<WaveType> &waves);
NumberTheory::CRC16 crc_;
};
}
}
}
#endif /* Acorn_hpp */