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Annotation of nono/vm/sprite.h, revision 1.1.1.5

1.1       root        1: //
                      2: // nono
1.1.1.3   root        3: // Copyright (C) 2020 nono project
                      4: // Licensed under nono-license.txt
1.1       root        5: //
                      6: 
                      7: #pragma once
                      8: 
                      9: #include "device.h"
                     10: 
                     11: class SpriteDevice
                     12:        : public IODevice
                     13: {
1.1.1.3   root       14:        using inherited = IODevice;
1.1       root       15:  private:
                     16:        static const int baseaddr = 0xeb0000;
                     17: 
                     18:        struct sprite_scroll {
                     19:                uint16 xpos;
                     20:                uint16 ypos;
                     21:                uint16 col;
                     22:                uint16 prw;
                     23:        } __attribute__((__packed__));
                     24: 
                     25:        struct sprite_ctrl {
                     26:                struct sprite_scroll sprite[128];
                     27: 
                     28:                uint16 bg0x;
                     29:                uint16 bg0y;
                     30:                uint16 bg1x;
                     31:                uint16 bg1y;
                     32:                uint16 bgctrl;
                     33: 
                     34:                uint16 htotal;          // 水平トータル
                     35:                uint16 hdisp;           // 水平表示位置
                     36:                uint16 vdisp;           // 垂直表示位置
                     37:                uint16 res;                     // 解像度
                     38:        };
                     39: 
                     40:  public:
                     41:        SpriteDevice();
1.1.1.4   root       42:        virtual ~SpriteDevice() override;
1.1       root       43: 
1.1.1.3   root       44:        uint64 Read8(uint32 addr) override;
                     45:        uint64 Read16(uint32 addr) override;
                     46:        uint64 Write8(uint32 addr, uint32 data) override;
                     47:        uint64 Write16(uint32 addr, uint32 data) override;
                     48:        uint64 Peek8(uint32 addr) override;
1.1       root       49: 
                     50:  private:
                     51:        struct sprite_ctrl reg {};
1.1.1.2   root       52:        std::unique_ptr<uint8[]> mem {};
1.1       root       53: };
1.1.1.5 ! root       54: 
        !            55: extern std::unique_ptr<SpriteDevice> gSprite;

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