Description: Apple II: Disabling Keyboard During Serial I/O (2/97)
Header: Apple II: Disabling Keyboard During Serial I/O (2/97)

 Article Created: 31 March 1988
 Article Reviewed/Updated: 17 February 1997

 TOPIC -----------------------------------------------------------

 This article disucsses how to disable the keyboard during serial I/O on the
 Apple IIc, Apple IIGS and Apple IIe Super Serial card.

 DISCUSSION ------------------------------------------------------

 The Apple II serial interface (Apple IIc serial port, Apple IIGS serial port,
 and Apple IIe Super Serial Card) has a built-in command that disables the
 keyboard during serial I/O. The command is FD. Here's how to send it from
 BASIC:

 10 print chr$(4);"pr#2"
 20 print chr$(1);"FD": REM Disable the keyboard...


 Article Change History:
 17 Feb 1997 - Reviewed for technical accuracy, revised formatting.
 Copyright 1988-97, Apple Computer, Inc.
 Keywords: