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Annotation of nono/vm/mainbus.h, revision 1.1.1.2

1.1       root        1: //
                      2: // nono
                      3: // Copyright (C) 2020 nono project
                      4: // Licensed under nono-license.txt
                      5: //
                      6: 
                      7: //
                      8: // メインバス
                      9: //
                     10: 
                     11: #pragma once
                     12: 
                     13: #include "device.h"
1.1.1.2 ! root       14: #include "monitor.h"
1.1       root       15: #include <array>
1.1.1.2 ! root       16: #include <utility>
1.1       root       17: 
                     18: class MainbusDevice : public IOContainerDevice
                     19: {
                     20:        using inherited = IOContainerDevice;
                     21:  public:
                     22:        MainbusDevice();
                     23:        virtual ~MainbusDevice() override;
                     24: 
                     25:        // addr はそれぞれアラインされていること。
                     26:        uint64 Read8(uint32 addr) override;
                     27:        uint64 Read16(uint32 addr) override;
                     28:        uint64 Read32(uint32 addr) override;
                     29:        uint64 Write8(uint32 addr, uint32 data) override;
                     30:        uint64 Write16(uint32 addr, uint32 data) override;
                     31:        uint64 Write32(uint32 addr, uint32 data) override;
                     32:        uint64 Peek8(uint32 addr) override;
                     33: 
                     34:        uint64 Peek32(uint32 addr);
                     35: 
                     36:        // デバイスをセットする
                     37:        static void SetDevice(int idx, IODevice *dev);
                     38: 
                     39:        // デバイステーブルをコピーする
                     40:        static void CopyDevtable(int dst, int src, int len);
                     41: 
1.1.1.2 ! root       42:        // モニタ表示用にデバイス名を整形。(X68kIO からも使う)
        !            43:        static std::pair<std::string, TA> FormatDevName(const Device *dev);
        !            44: 
1.1       root       45:        static std::array<IODevice *, 256> devtable;
                     46: 
                     47:        static int direct_ram_size;
                     48: 
                     49:  protected:
1.1.1.2 ! root       50:        // このアドレスを担当する次段の IODevice を返す。
1.1       root       51:        IODevice *GetDevice(uint32 addr) const override;
1.1.1.2 ! root       52: 
        !            53:  private:
        !            54:        DECLARE_MONITOR_CALLBACK(MonitorUpdate);
        !            55: 
        !            56:        Monitor monitor { this };
1.1       root       57: };
                     58: 
                     59: static inline MainbusDevice *GetMainbusDevice() {
                     60:        return Object::GetObject<MainbusDevice>(OBJ_MAINBUS);
                     61: }

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