draw.h

   1 typedef unsigned short u16_t;
   2 typedef unsigned char u8_t;
   3
   4 void fb_init(void);
   5 void fb_free(void);
   6 u16_t fb_color(u8_t r, u8_t g, u8_t b);
   7 void fb_put(int r, int c, u16_t val);
   8 int fb_rows(void);
   9 int fb_cols(void);
  10 void fb_box(int sr, int sc, int er, int ec, u16_t val);
  11 void fb_scroll(int n, u16_t val);