void gd_init_keystate(void);
+void gd_prepare_tile_bitmap(GdCave *cave, Bitmap *bitmap, int scale_down_factor);
+void gd_set_tile_bitmap_reference(Bitmap *bitmap);
+Bitmap *gd_get_tile_bitmap(Bitmap *bitmap);
+
int gd_drawcave(Bitmap *dest, GdGame *gameplay, boolean);
boolean gd_scroll(GdGame *gameplay, boolean exact_scroll, boolean immediate);
void gd_scroll_to_origin(void);
int get_scroll_x(void);
int get_scroll_y(void);
+Bitmap *gd_get_title_screen_bitmap(void);
+
#endif // BD_GRAPHICS_H