CLK/Storage/Tape/Formats/ZX80O81P.hpp

//
//  ZX80O.hpp
//  Clock Signal
//
//  Created by Thomas Harte on 04/06/2017.
//  Copyright 2017 Thomas Harte. All rights reserved.
//

#pragma once

#include "../Tape.hpp"

#include "../../FileHolder.hpp"
#include "../../TargetPlatforms.hpp"

#include <cstdint>
#include <string>
#include <vector>

namespace Storage::Tape {

/*!
	Provides a @c Tape containing a ZX80-format .O tape image, which is a byte stream capture.
*/
class ZX80O81P: public Tape, public TargetPlatform::TypeDistinguisher {
	public:
		/*!
			Constructs a @c ZX80O containing content from the file with name @c file_name.

			@throws ErrorNotZX80O81P if this file could not be opened and recognised as a valid ZX80-format .O.
		*/
		ZX80O81P(const std::string &file_name);

		enum {
			ErrorNotZX80O81P
		};

	private:
		// implemented to satisfy @c Tape
		bool is_at_end();

		// implemented to satisfy TargetPlatform::TypeDistinguisher
		TargetPlatform::Type target_platform_type();
		TargetPlatform::Type platform_type_;

		void virtual_reset();
		Pulse virtual_get_next_pulse();
		bool has_finished_data();

		uint8_t byte_;
		int bit_pointer_;
		int wave_pointer_;
		bool is_past_silence_, has_ended_final_byte_;
		bool is_high_;

		std::vector<uint8_t> data_;
		std::size_t data_pointer_;
};

}