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Annotation of nono/vm/mainbus_x68k.h, revision 1.1

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 (X68030)
        !             9: //
        !            10: 
        !            11: #pragma once
        !            12: 
        !            13: #include "mainbus.h"
        !            14: 
        !            15: class BankRAMDevice;
        !            16: class ExtRAMDevice;
        !            17: class X68kIODevice;
        !            18: 
        !            19: class X68kMainbus final : public MainbusDevice
        !            20: {
        !            21:        using inherited = MainbusDevice;
        !            22:  public:
        !            23:        X68kMainbus();
        !            24:        ~X68kMainbus() override;
        !            25: 
        !            26:        bool Init() override;
        !            27:        bool InitMainbus() override;
        !            28:        void ResetByMPU() override;
        !            29:        void ResetHard(bool poweron) override;
        !            30: 
        !            31:        busdata Peek8(uint32 addr) override;
        !            32:        bool Poke8(uint32 addr, uint32 data) override;
        !            33: 
        !            34:        busdata Read8(busaddr addr) override;
        !            35:        busdata Read16(busaddr addr) override;
        !            36:        busdata Read32(busaddr addr) override;
        !            37:        busdata Write8(busaddr addr, uint32 data) override;
        !            38:        busdata Write16(busaddr addr, uint32 data) override;
        !            39:        busdata Write32(busaddr addr, uint32 data) override;
        !            40: 
        !            41:  private:
        !            42:        DECLARE_MONITOR_CALLBACK(MonitorUpdate);
        !            43:        DECLARE_MONITOR_CALLBACK(MonitorUpdateAccStat);
        !            44: 
        !            45:        inline bool IsIntio(uint32) const;
        !            46: 
        !            47:        // ブートページを切り替える。
        !            48:        void SwitchBootPage(bool isrom) override;
        !            49: 
        !            50:        std::unique_ptr<ExtRAMDevice> pExtRAM /*{}*/;
        !            51:        std::unique_ptr<X68kIODevice> pX68kIO /*{}*/;
        !            52:        // どこに置く?
        !            53:        std::unique_ptr<IODevice> pInterrupt {};
        !            54: 
        !            55:        std::array<bool, 256> is_intio {};
        !            56:        // 拡張メモリの開始位置 [MB]
        !            57:        int extstart {};
        !            58:        // 拡張メモリのサイズ [MB]
        !            59:        int extsize {};
        !            60: 
        !            61:        // アクセス状況はとりあえず 1GB 分を 1048 * 1MB ずつ。
        !            62:        std::array<uint8, 1024> accstat_read {};
        !            63:        std::array<uint8, 1024> accstat_write {};
        !            64: 
        !            65:        Monitor monitor { this };
        !            66:        Monitor monitor_accstat { this };
        !            67: 
        !            68:        std::array<BankRAMDevice*, 2> bankram /*{}*/;
        !            69: };

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