Get Key; Get Status - Husky MP2500 Manual

2BH Redefine key scan codes
2CH Redefine PAW key codes
2DH Control Ctrl-C and Ctrl-Break
2FH Select keyboard
30H Reset extra keyboard variables
31H Clear keyboard buffer
32H Select keyclick sound
(Functions 3 and 5 are compatible with the IBM PS/2 BIOS.)

Get key

Entry
Exit
Description

Get status

Entry
Exit
Description
264
AH=00H
AH=scan code
AL=character
Reads and then removes a keystroke from the
keyboard input buffer. (If there is none, the function
waits for one.)
The ASCII code is returned in AL. The key scan code
is returned in AH. Key codes and scan codes are
described in Appendix E.
AH=01H
ZF=flag
AX=character
Checks if there are any characters in the keyboard
buffer.
If there is a character, ZF=0 and its ASCII code is
returned in AX.
If there is no character, ZF=1.
H MP2500 System Developer's Guide
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