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Article #872

Re: VGA memory address

#872
From: Khan
Date: Wed, 26 Aug 1992 13:04
33 lines
2063 bytes
In article <1992Aug26.095612@axion.bt.co.uk> pcellik@axion.bt.co.uk (Peter SPHINX Cellik) writes:
>
>In article <BtJK9v.8Bw@news.cso.uiuc.edu>, tmkk@uiuc.edu (Khan) writes:
>|> 
>|> In article <92237.172148KSADEGH@auvm.american.edu> Kayvon Z. Sadeghi <KSADEGH@auvm.american.edu> writes:
>|> >
>|> >Assuming that I am usind a VGA monitor, this chould place the character
>|> >'u' in the upper left corner of the screen. (under assumption that 0xB800
>|> >is the right address) But it doesn't.
>|> 
>|> That's because B800 is not the right segment for the video buffer on a
>|> VGA.
>|> 
>
>What do you mean that B800 is not the right segment for VGA text?  It is.
>Only for EGA and VGA GRAPHICS modes that the video segment moves to A000.
>
>Don't start thrashing the bloke if you don't know yourself.

#1 I was not "thrashing the bloke." I tried to help him. You
   conveniently omitted my reference to a VGA programming reference book.

#2 I was not talking about VGA text modes. Read my sentence again: the
   word "text" does not appear anywhere in it. Now I admit that I missed
   the reference to text mode in the original post, but that was an
   honest mistake on my part.

Even with this slight blunder, mine was the MOST helpful reply posted so far.
Everyone else has been flaming him for posting an IBM VGA question in this
group. If you are going to flame anyone, it should be *them,* not me.

Redirect followups out of this group, please.
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References: <1992Aug26.095612@axion.bt.co.uk> <92237.172148KSADEGH@auvm.american.edu> <92234.142558KSADEGH@auvm.american.edu> <BtJK9v.8Bw@news.cso.uiuc.edu>

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From: tmkk@uiuc.edu (Khan)
Subject: Re: VGA memory address
References: <1992Aug26.095612@axion.bt.co.uk> <92237.172148KSADEGH@auvm.american.edu> <92234.142558KSADEGH@auvm.american.edu> <BtJK9v.8Bw@news.cso.uiuc.edu>
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Organization: University of Illinois at Urbana
Date: Wed, 26 Aug 1992 13:04:56 GMT
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