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CLK/Machines/CRTMachine.hpp

47 lines
1.1 KiB
C++

//
// CRTMachine.hpp
// Clock Signal
//
// Created by Thomas Harte on 31/05/2016.
// Copyright © 2016 Thomas Harte. All rights reserved.
//
#ifndef CRTMachine_hpp
#define CRTMachine_hpp
#include "../Outputs/CRT/CRT.hpp"
#include "../Outputs/Speaker.hpp"
namespace CRTMachine {
/*!
A CRTMachine::Machine is a mostly-abstract base class for machines that connect to a CRT,
that optionally provide a speaker, and that nominate a clock rate and can announce to a delegate
should that clock rate change.
*/
class Machine {
public:
virtual void setup_output(float aspect_ratio) = 0;
virtual void close_output() = 0;
virtual std::shared_ptr<Outputs::CRT::CRT> get_crt() = 0;
virtual std::shared_ptr<Outputs::Speaker> get_speaker() = 0;
virtual void run_for_cycles(int number_of_cycles) = 0;
// TODO: sever the clock-rate stuff.
virtual double get_clock_rate() = 0;
class Delegate {
public:
virtual void machine_did_change_clock_rate(Machine *machine) = 0;
};
void set_delegate(Delegate *delegate) { this->delegate = delegate; }
protected:
Delegate *delegate;
};
}
#endif /* CRTMachine_hpp */