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Annotation of nono/vm/sio.h, revision 1.1.1.6

1.1       root        1: //
                      2: // nono
1.1.1.4   root        3: // Copyright (C) 2020 nono project
                      4: // Licensed under nono-license.txt
1.1       root        5: //
                      6: 
                      7: #pragma once
                      8: 
                      9: #include "device.h"
                     10: #include "upd7201.h"
                     11: 
                     12: class SIODevice
                     13:        : public uPD7201Device
                     14: {
1.1.1.4   root       15:        using inherited = uPD7201Device;
1.1       root       16:  public:
                     17:        SIODevice();
1.1.1.5   root       18:        virtual ~SIODevice() override;
1.1       root       19: 
1.1.1.6 ! root       20:        // BusIO インタフェース
        !            21:        // (内蔵 ROM からのアクセス用に特別に public にしてある)
        !            22:        uint64 Read(uint32 offset);
        !            23:        uint64 Write(uint32 offset, uint32 data);
1.1       root       24: 
1.1.1.3   root       25:  protected:
                     26:        // BusIO インタフェース
                     27:        static const uint32 NPORT = 4;
1.1.1.6 ! root       28:        uint64 Peek(uint32 offset);
1.1       root       29: 
                     30:  private:
1.1.1.4   root       31:        void Interrupt() override;
1.1       root       32: };
                     33: 
1.1.1.3   root       34: extern std::unique_ptr<SIODevice> gSIO;

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