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alexbevi
GitHub Repository: alexbevi/BizHawk
 Path: blob/master/libsnes/bsnes/gameboy/lcd/lcd.hpp
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struct LCD : Processor, MMIO {

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  #include "mmio/mmio.hpp"

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  struct Status {

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    unsigned lx;

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    unsigned wyc;

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    //$ff40  LCDC

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    bool display_enable;

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    bool window_tilemap_select;

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    bool window_display_enable;

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    bool bg_tiledata_select;

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    bool bg_tilemap_select;

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    bool ob_size;

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    bool ob_enable;

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    bool bg_enable;

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    //$ff41  STAT

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    bool interrupt_lyc;

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    bool interrupt_oam;

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    bool interrupt_vblank;

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    bool interrupt_hblank;

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    //$ff42  SCY

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    uint8 scy;

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    //$ff43  SCX

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    uint8 scx;

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    //$ff44  LY

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    uint8 ly;

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    //$ff45  LYC

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    uint8 lyc;

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    //$ff4a  WY

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    uint8 wy;

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    //$ff4b  WX

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    uint8 wx;

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    //$ff4f  VBK

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    bool vram_bank;

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    //$ff68  BGPI

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    bool bgpi_increment;

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    uint6 bgpi;

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    //$ff6a  OBPI

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    bool obpi_increment;

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    uint8 obpi;

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  } status;

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  uint16 screen[160 * 144];

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  uint16 line[160];

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  struct Origin { enum : unsigned { None, BG, BGP, OB }; };

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  uint8 origin[160];

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  uint8 vram[16384];  //GB = 8192, GBC = 16384

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  uint8 oam[160];

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  uint8 bgp[4];

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  uint8 obp[2][4];

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  uint8 bgpd[64];

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  uint8 obpd[64];

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  static void Main();

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  void main();

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  void add_clocks(unsigned clocks);

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  void scanline();

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  void frame();

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  unsigned hflip(unsigned data) const;

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  //dmg.cpp

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  void dmg_render();

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  uint16 dmg_read_tile(bool select, unsigned x, unsigned y);

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  void dmg_render_bg();

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  void dmg_render_window();

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  void dmg_render_ob();

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  //cgb.cpp

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  void cgb_render();

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  void cgb_read_tile(bool select, unsigned x, unsigned y, unsigned &tile, unsigned &attr, unsigned &data);

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  void cgb_render_bg();

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  void cgb_render_window();

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  void cgb_render_ob();

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  void power();

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  void serialize(serializer&);

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  LCD();

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};

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extern LCD lcd;

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