anchor.diff:                                last-update-time))
                (dt (/ (* elapsed-time 1.0)
                       internal-time-units-per-second)))
  +      (setf last-update-time (get-internal-real-time))
         (sdl:with-events (:poll)
           (:quit-event () t)
           (:key-down-event (:key key :unicode code :scancode scancode)
  
positive.code:         (:idle ()
                 (update dt)
                 (draw)
                 (sdl:update-display))))
        (setf last-update-time (get-internal-real-time)))))
  
negative.code:                                    last-update-time))
                    (dt (/ (* elapsed-time 1.0)
                           internal-time-units-per-second)))
               (setf last-update-time (get-internal-real-time))
               (glaw:with-timestep (dt *max-frame-time*)
                 (update dt)
                 (draw)
                 (glop:swap-buffers win))))))
    (glaw:shutdown-content-manager))
  
  ;; Using SDL
  