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

1.1     ! root        1: //
        !             2: // nono
        !             3: // Copyright (C) 2017 [email protected]
        !             4: //
        !             5: 
        !             6: #pragma once
        !             7: 
        !             8: #include "device.h"
        !             9: 
        !            10: class ViconDevice
        !            11:        : public IODevice
        !            12: {
        !            13:        typedef IODevice inherited;
        !            14:  private:
        !            15:        static const int baseaddr = 0xe82000;
        !            16: 
        !            17:        struct vicon {
        !            18:                uint16 r0;
        !            19:                uint16 r1;
        !            20:                uint16 r2;
        !            21:        };
        !            22: 
        !            23:  public:
        !            24:        ViconDevice();
        !            25:        virtual ~ViconDevice();
        !            26: 
        !            27:        virtual uint64 Read8(uint32 addr);
        !            28:        virtual uint64 Read16(uint32 addr);
        !            29:        virtual uint64 Write8(uint32 addr, uint32 data);
        !            30:        virtual uint64 Write16(uint32 addr, uint32 data);
        !            31:        virtual uint64 Peek8(uint32 addr);
        !            32: 
        !            33:        // パレットのバッファアドレスを取得
        !            34:        // レンダラとかからの参照用?
        !            35:        const uint16 *GetPalette() const { return &palette.w[0]; }
        !            36: 
        !            37:  private:
        !            38:        uint32 read_r0();
        !            39:        uint32 read_r1H();
        !            40:        uint32 read_r1L();
        !            41:        uint32 read_r2H();
        !            42:        uint32 read_r2L();
        !            43:        void write_r0(uint32 data);
        !            44:        void write_r1H(uint32 data);
        !            45:        void write_r1L(uint32 data);
        !            46:        void write_r2H(uint32 data);
        !            47:        void write_r2L(uint32 data);
        !            48: 
        !            49:        struct vicon vicon {};
        !            50:        union {
        !            51:                uint8 b[1024];
        !            52:                uint16 w[512];
        !            53:        } palette {};
        !            54: };
        !            55: 
        !            56: extern ViconDevice *gVicon;

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