# Numpad speed stepping: KP_ADD steps the requested frames-per-tile
# down (faster). speed_mult = cycle_frames/effective_k: 18/17 = 1.0588
# after one step, 18/16 = 1.125 after two. KP_SUBTRACT steps back.
10 keydown d
20 keydown kp_add
21 keyup kp_add
40 keydown kp_add
41 keyup kp_add
60 keydown kp_sub
61 keyup kp_sub
200 keyup d
# frames: 300
