#lang scribble/manual
@(require (for-label racket))

@title{(key-state rate keynum minval maxval lag)}


Report the status of a particular key.  A key is either pressed,
or not pressed.

The keycode 38 is the A key on my keyboard.  Under X the xev(1)
command is useful in determining your keyboard layout.


@racketblock[
(audition
 (out 0 (mul (sin-osc ar 800 0)
	     (key-state kr 38 0 0.1 0.5))))
]