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

1.1       root        1: //
                      2: // nono
1.1.1.2   root        3: // Copyright (C) 2020 nono project
                      4: // Licensed under nono-license.txt
1.1       root        5: //
                      6: 
1.1.1.6 ! root        7: //
        !             8: // FuseROM
        !             9: //
        !            10: 
1.1       root       11: #pragma once
                     12: 
1.1.1.2   root       13: #include "device.h"
1.1       root       14: 
1.1.1.2   root       15: class FuseROMDevice : public IODevice
1.1       root       16: {
1.1.1.2   root       17:        using inherited = IODevice;
                     18: 
                     19:        // この ROM が保持できるデータ量 (バイト数換算)
                     20:        static const uint32 SRCBYTES = 128;
1.1       root       21:  public:
                     22:        FuseROMDevice();
1.1.1.4   root       23:        virtual ~FuseROMDevice() override;
1.1.1.2   root       24: 
                     25:        bool Init() override;
1.1       root       26: 
1.1.1.2   root       27:  protected:
                     28:        // BusIO インタフェース
                     29:        static const uint32 NPORT = SRCBYTES * 2;       // XXX 未調査
1.1.1.5   root       30:        uint64 Read(uint32 offset);
                     31:        uint64 Write(uint32 offset, uint32 data);
                     32:        uint64 Peek(uint32 offset);
1.1       root       33: 
                     34:  private:
1.1.1.2   root       35:        // バイトデータで保持しておく
1.1.1.3   root       36:        uint8 src[SRCBYTES] {};
1.1       root       37: };
1.1.1.5   root       38: 
1.1.1.6 ! root       39: extern FuseROMDevice *gFuseROM;

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