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Annotation of nono/vm/nmi.h, revision 1.1

1.1     ! root        1: //
        !             2: // nono
        !             3: // Copyright (C) 2021 nono project
        !             4: // Licensed under nono-license.txt
        !             5: //
        !             6: 
        !             7: //
        !             8: // ABORT/INTERRUPT スイッチによる NMI 機構デバイス
        !             9: //
        !            10: 
        !            11: #pragma once
        !            12: 
        !            13: #include "device.h"
        !            14: #include "message.h"
        !            15: #include "event.h"
        !            16: 
        !            17: class NMIDevice : public Device
        !            18: {
        !            19:        using inherited = Device;
        !            20:  public:
        !            21:        NMIDevice();
        !            22:        ~NMIDevice() override;
        !            23: 
        !            24:        bool Init() override;
        !            25: 
        !            26:        // NMI ボタンを押す
        !            27:        void PressNMI();
        !            28: 
        !            29:        // NMI 信号線をアサートする
        !            30:        void AssertNMI();
        !            31: 
        !            32:        // NMI 信号線をネゲートする
        !            33:        void NegateNMI();
        !            34: 
        !            35:  private:
        !            36:        void AssertCallback(MessageID, uint32);
        !            37:        void NegateCallback(Event& ev);
        !            38: 
        !            39:        Event event { this };
        !            40: };
        !            41: 
        !            42: extern NMIDevice *gNMI;

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