hsc3-0.2: Help/UGen/Trigger/toggleFF.help.lhs
toggleFF trig
Toggle flip flop. Toggles between zero and one upon receiving a trigger.
trig - trigger input
> do { t <- dust AR (xLine KR 1 1000 60 DoNothing)
> ; audition (out 0 (sinOsc AR (toggleFF t * 400 + 800) 0 * 0.1)) }