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

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

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