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Annotation of nono/vm/mainbus_x68k.h, revision 1.1.1.1

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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