From: Endlisnis <s257m AT unb DOT ca>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Keyboard
Date: Fri, 21 Aug 1998 15:58:11 -0300
Organization: NBTel Internet
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Arndt Muehlenfeld wrote:

> The extended function byte in scan codes is E0h which is in fact 224.
> Make codes (key down) are distinguished from release codes (key up) by
> a F0h byte. For example, when Escape is pressed, the make code is 01h.
> Upon release the scan code bytes are F0h,01h.
> Extended functions:
> Right-Ctrl down:        E0h,14h
> Right-Ctrl up:  E0h,F0h,14h

    That is incorrect.  The release scan for escape is 0x81.  The break code
is not preceded by 0xF0, it is OR'D (|) with 0x80.

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     (\/) Endlisnis (\/)
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