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