(timer (make-timer))
(grid (make-list 20 :initial-element (make-list 14)))
(background (draw-image-function "fondo_tetris.png"))
- (font (open-font "lazy.ttf")))
+ (font (load-font "lazy.ttf")))
(defun tetramine ()
(cond ((eq (timer-state timer) 'stopped) (start-timer timer)))