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Annotation of nono/vm/videoctlr.h, revision 1.1.1.4

1.1       root        1: //
                      2: // nono
                      3: // Copyright (C) 2020 nono project
                      4: // Licensed under nono-license.txt
                      5: //
                      6: 
                      7: #pragma once
                      8: 
                      9: #include "device.h"
                     10: 
                     11: class VideoCtlrDevice
                     12:        : public IODevice
                     13: {
                     14:        using inherited = IODevice;
                     15:  private:
                     16:        static const int baseaddr = 0xe82000;
                     17: 
                     18:        struct videoctlr {
                     19:                uint16 r0;
                     20:                uint16 r1;
                     21:                uint16 r2;
                     22:        };
                     23: 
                     24:  public:
                     25:        VideoCtlrDevice();
1.1.1.4 ! root       26:        virtual ~VideoCtlrDevice() override;
1.1       root       27: 
1.1.1.3   root       28:        void ResetHard() override;
                     29: 
1.1.1.2   root       30:        // 加工済みテキストパレットの先頭アドレスを取得
                     31:        // レンダラとかからの参照用
                     32:        const uint32 *GetCookedPalette() const { return cooked_palette; }
1.1       root       33: 
                     34:  protected:
                     35:        // BusIO インタフェース
                     36:        static const uint NPORT = 4096;
                     37:        uint64 Read(uint32 addr);
                     38:        uint64 Write(uint32 addr, uint32 data);
                     39:        uint64 Peek(uint32 addr);
                     40: 
                     41:  private:
                     42:        void SetR0(uint32 data);
                     43:        void SetR1(uint32 data);
                     44:        void SetR2(uint32 data);
1.1.1.2   root       45:        void MakePalette();
1.1       root       46: 
                     47:        struct videoctlr videoctlr {};
                     48:        union {
                     49:                uint8 b[1024];
                     50:                uint16 w[512];
                     51:        } palette {};
1.1.1.2   root       52: 
                     53:        // xBGR32 形式のテキストパレット (レンダラ用に加工したもの)
1.1.1.3   root       54:        uint32 cooked_palette[16] {};
1.1       root       55: };
                     56: 
                     57: extern std::unique_ptr<VideoCtlrDevice> gVideoCtlr;

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