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Mail Archives: djgpp/1995/12/25/02:06:11

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From: Wayne
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Graphics in V2
Date: Sun, 24 Dec 1995 22:54:33 GMT
Organization: Southeast Network Services, Inc.
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Message-ID: <30ddda1c.1385043@news.aug.com>
References: <DJq0vw DOT 8K2 AT jade DOT mv DOT net> <4bfa5j$e1u AT supreme DOT pcug DOT org DOT au>
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To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp

On 22 Dec 1995 22:06:43 GMT, eyal AT ise DOT canberra DOT edu DOT au (Eyal
Lebedinsky) wrote:

>*Please* can someone answer the original question: how to access the full
>(NOT linear) video memory as it was done in v1?
>
>In v1 you could access 0xb0000000 which was where your full video memory was.
>When your card would not support linear memory, go32 will bank switch as
>required (transparently, in response to page faults) so that it would
>appear to the user as if the full video memory is there.
>
>Now with v2 the above address is not mapped, Where is it?

At 0xA0000.  The same place it is when you're using a REAL mode.
You'll have to set up a conventional memory selector to access it.

E-mail me if you'd like a little more info.

Wayne

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