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#ifdef CONFIG_VGA_WIDTH
#define VGA_DEFAULT_WIDTH CONFIG_VGA_WIDTH
#else
#define VGA_DEFAULT_WIDTH 800
#endif
#ifdef CONFIG_VGA_HEIGHT
#define VGA_DEFAULT_HEIGHT CONFIG_VGA_HEIGHT
#else
#define VGA_DEFAULT_HEIGHT 600
#endif
#ifdef CONFIG_VGA_DEPTH
#define VGA_DEFAULT_DEPTH CONFIG_VGA_DEPTH
#else
#define VGA_DEFAULT_DEPTH 8
#endif
#define VGA_DEFAULT_LINEBYTES (VGA_DEFAULT_WIDTH*((VGA_DEFAULT_DEPTH+7)/8))
void setup_video(void);
unsigned long video_get_color(int col_ind);
void video_mask_blit(void);
void video_invert_rect(void);
void video_fill_rect(void);
extern struct video_info {
volatile ihandle_t *ih;
volatile ucell *mvirt;
volatile ucell *rb, *w, *h, *depth;
volatile ucell *pal; /* 256 elements */
} video;
#define VIDEO_DICT_VALUE(x) (*(ucell *)(x))
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