diff --git a/drivers/framebuffer.h b/drivers/framebuffer.h
index d6e24d6..ac4d96c 100644
--- a/drivers/framebuffer.h
+++ b/drivers/framebuffer.h
@@ -26,3 +26,7 @@ extern FRAMEBUFFER
 
 void fb_fill(uint8_t c);
 void fb_shift();
+void fb_hline(uint8_t y, uint8_t x1, uint8_t x2, uint8_t c);
+void fb_vline(uint8_t x, uint8_t y1, uint8_t y2, uint8_t c);
+void fb_box(uint8_t ax, uint8_t ay, uint8_t bx, uint8_t by, uint8_t c);
+void fb_area(uint8_t ax, uint8_t ay, uint8_t bx, uint8_t by, uint8_t c);