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Annotation of nono/vm/tas.h, revision 1.1.1.9

1.1       root        1: //
                      2: // nono
                      3: // Copyright (C) 2020 nono project
                      4: // Licensed under nono-license.txt
                      5: //
                      6: 
1.1.1.6   root        7: //
1.1       root        8: // TAS ポート
1.1.1.6   root        9: //
1.1       root       10: 
                     11: #pragma once
                     12: 
                     13: #include "device.h"
                     14: #include <atomic>
                     15: 
1.1.1.5   root       16: class TASDevice : public IODevice
1.1       root       17: {
                     18:        using inherited = IODevice;
                     19:  public:
                     20:        TASDevice();
1.1.1.8   root       21:        ~TASDevice() override;
1.1       root       22: 
1.1.1.6   root       23:        void ResetHard(bool poweron) override;
1.1.1.4   root       24: 
1.1       root       25:  protected:
                     26:        // BusIO インタフェース
                     27:        static const uint32 NPORT = 1;
1.1.1.9 ! root       28:        busdata ReadPort(uint32 offset);
        !            29:        busdata WritePort(uint32 offset, uint32 data);
        !            30:        busdata PeekPort(uint32 offset);
        !            31:        bool PokePort(uint32 offset, uint32 data);
1.1       root       32: 
                     33:  private:
                     34:        std::atomic<uint8> tas {};      // bit 7 のみ有効。
                     35: };

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