OSBYTE &02
From BeebWiki
OSBYTE &02 (2) - Specify Input Stream (exits with X=b0 of old value)
X=0 Use the keyboard for input
X=1 Use the serial circuit for input
X=2 Use the keyboard for input, but listen to the serial port too
such that bytes are accepted and simply buffered for later
inspection
See Also
Jgharston 21:06, 26 May 2009 (UTC)

