Re: [GD-General] A DirectInput problem

[Chris C. <ch...@bl...>]

If you want to see which combinations of keys don't register on your
keyboard, Google for KeyboardTest, which is a little application from
PassMark that displays what scan codes are coming out of the keyboard, etc
and visually displays what keys it thinks you have pressed. For example,
your S+D+Space correctly registers on mine, but A+D then E doesn't. I've had
different results with different keyboards, but it would be a poor
manufacturer that arranged the key groupings so that the most common FPS
bindings didn't register!

Chris Chapman
Black Company Studios

On Tue, Jul 8, 2008 at 7:24 AM, Alen Ladavac <ale...@cr...> wrote:

> Xavier wrote:
> > I have encountered the same problem as well on some (many?) keyboards,
> > with the four arrow keys not being detected when pressed at the same
> time.
>
> > I think it has to do with the wiring or the microcontroller inside some
> > keyboards that groups keys by 4, but I can't find a link anymore.
>
> http://en.wikipedia.org/wiki/Rollover_(key)<http://en.wikipedia.org/wiki/Rollover_%28key%29>
>
> > (and I don't know of any workaround.)
>
> The workaround is either to buy a better keyboard, or to bind keys in
> different positions so this doesn't happen. <shrug/>
>
> But for the key combos that Pierre describes, I'd be suspicious. A lot
> of games use those, and most modern keyboards allow those three
> presses. Finding one keyboard that doesn't is quite possible, but if
> it happens to several different models, it's either really bad luck or
> something else in the system or software. I'd definitely do a cross
> check with other games and on different machines.
>
> JM2C,
> Alen
>
>
>
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