Re: Hardware keyboard handling... help needed

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Article #314

#314

From: Alexei A. Frounze
Date: Thu, 18 May 2000 00:00

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Alphaps wrote:
> 
> Hi,
> I want to use the keyboard directly through its hardware interruption.
> It's the INT 9, which has no input data, and which fills a buffer at 40:1C
> with the scancode of each keystroke.

The keyboard buffer you mention is used by BIOS. A custom IRQ1 ISR is
recommended instead.

> Can anyone help me giving me the ASM x86 code to use it ? It has not worked
> so far.
> Could it work under the protected mode of Win9x ?

For PMode under Windows I recommend you to find DPMI specs.

> Can I access directly the address: 40:1C ? How can I do that ?
> Thanks a lot,
> Alphaps (Alphaps@hotmail.com)

Good Luck
Alexei A. Frounze
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Homepage: http://alexfru.chat.ru
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From: "Alexei A. Frounze" <alex.fru@mtu-net.ru>
Subject: Re: Hardware keyboard handling... help needed
Date: 2000/05/18
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