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Annotation of nono/vm/sprite.h, revision 1.1.1.8

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: 
1.1.1.7   root        7: //
                      8: // スプライトコントローラ
                      9: //
                     10: 
1.1       root       11: #pragma once
                     12: 
                     13: #include "device.h"
                     14: 
1.1.1.6   root       15: class SpriteDevice : public IODevice
1.1       root       16: {
1.1.1.3   root       17:        using inherited = IODevice;
1.1.1.7   root       18: 
1.1       root       19:        static const int baseaddr = 0xeb0000;
                     20: 
                     21:        struct sprite_scroll {
                     22:                uint16 xpos;
                     23:                uint16 ypos;
                     24:                uint16 col;
                     25:                uint16 prw;
                     26:        } __attribute__((__packed__));
                     27: 
                     28:        struct sprite_ctrl {
                     29:                struct sprite_scroll sprite[128];
                     30: 
                     31:                uint16 bg0x;
                     32:                uint16 bg0y;
                     33:                uint16 bg1x;
                     34:                uint16 bg1y;
                     35:                uint16 bgctrl;
                     36: 
                     37:                uint16 htotal;          // 水平トータル
                     38:                uint16 hdisp;           // 水平表示位置
                     39:                uint16 vdisp;           // 垂直表示位置
                     40:                uint16 res;                     // 解像度
                     41:        };
                     42: 
                     43:  public:
                     44:        SpriteDevice();
1.1.1.4   root       45:        virtual ~SpriteDevice() override;
1.1       root       46: 
1.1.1.3   root       47:        uint64 Read8(uint32 addr) override;
                     48:        uint64 Read16(uint32 addr) override;
                     49:        uint64 Write8(uint32 addr, uint32 data) override;
                     50:        uint64 Write16(uint32 addr, uint32 data) override;
                     51:        uint64 Peek8(uint32 addr) override;
1.1       root       52: 
                     53:  private:
                     54:        struct sprite_ctrl reg {};
1.1.1.2   root       55:        std::unique_ptr<uint8[]> mem {};
1.1       root       56: };

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