CLK/Machines/Oric/Microdisc.hpp

//
//  Microdisc.hpp
//  Clock Signal
//
//  Created by Thomas Harte on 22/11/2016.
//  Copyright 2016 Thomas Harte. All rights reserved.
//

#ifndef Microdisc_hpp
#define Microdisc_hpp

#include "../../Components/1770/1770.hpp"
#include "../../Activity/Observer.hpp"
#include "DiskController.hpp"

namespace Oric {

class Microdisc: public DiskController {
	public:
		Microdisc();

		void set_control_register(uint8_t control);
		uint8_t get_interrupt_request_register();
		uint8_t get_data_request_register();

		bool get_interrupt_request_line();

		void run_for(const Cycles cycles);

		void set_activity_observer(Activity::Observer *observer);

	private:
		void set_head_load_request(bool head_load) final;

		void set_control_register(uint8_t control, uint8_t changes);
		uint8_t last_control_ = 0;
		bool irq_enable_ = false;

		Cycles::IntType head_load_request_counter_ = -1;
		bool head_load_request_ = false;

		Activity::Observer *observer_ = nullptr;
};

}

#endif /* Microdisc_hpp */