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Annotation of nono/vm/nmi.h, revision 1.1.1.1

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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