IBM XT 5160 User Manual

Keyboard Encoding and Usage
Encoding
The keyboard routine provided by IBM in the ROM BIOS is
responsible for converting the keyboard scan codes into what will
be termed "Extended ASCII."
Extended ASCII encompasses I-byte character codes with
possible values of 0 to 255, an extended code for certain extended
keyboard functions, and functions handled within the keyboard
routine
or through interrupts.
Character Codes
The following character codes are passed through the BIOS
keyboard routine to the system
or application program. A' -1 '
means the combination
is suppressed in the keyboard routine.
The codes are returned in AL.
4-6 83-Key Keyboard

IBM XT 5160 Specifications

General

Brand	IBM
Model	XT 5160
Category	Desktop
Language	English