Message-Id: <3.0.16.19971009004312.354fd3fc@hem1.passagen.se>
Date: Thu, 09 Oct 1997 00:44:17 -0400
To: Georg DOT Kolling AT t-online DOT de (Georg Kolling)
From: Peter Palotas <blizzar AT hem1 DOT passagen DOT se>
Subject: Re: Mouse Cursors again!
Cc: djgpp AT delorie DOT com
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At 22.28 1997-10-08 DST, you wrote:
>Peter Palotas schrieb:
>> I asked a question a few days ago about mousecursors. The thing is that
>> they flicker in almost every DOS application there is, but not in windows,
>> and I wanted to know why.
>>
>> Then a few of you told me it was because windows uses the hardware cursor.
>> Now this made me wonder... What is a hardware mouse cursor then? Is it
>> implemented by the mouse-driver? Because in that case it seems kind of
>> software to me, and anyone should be able to do it. Or is it a feature of
>> the graphics card, that varies for each graphics card? If that is the case,
>> it must be able to do it using VESA, right!?
>
>It is a feature of the graphics card, and it varies for each graphics card.
>But it is NOT implemented in the VESA specs (...well, maybe in VESA 3.0,
don't
>know...). You have to do it by hand, for each graphics card differently...
>that's why windows uses drivers and leaves all the hardware relevant stuff to
>the hardware manufacturers (they should know their products best).

Isn't it strange that this isn't implemented in the VESA specs!? Oh well...
Is there some possible way one could use a windows driver in ones own
project? Is there somewhere a spec on how a windows driver works?


-- Peter Palotas alias Blizzar -- blizzar AT hem1 DOT passagen DOT se --

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