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Mail Archives: djgpp/1995/12/14/15:05:37

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From: chrisc AT atm DOT inka DOT de (Christopher Chlap)
Subject: Re: Graphics in V2
Date: Fri, 08 Dec 95 13:10:29 GMT
References: <DJ46K2 DOT 8D6 AT jade DOT mv DOT net> <30c5b8d5 DOT sandmann AT clio DOT rice DOT edu>
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Charles Sandmann <sandmann AT clio DOT rice DOT edu> wrote:
>> What address is the VGA buffer mapped to in V2 ?
>
>It's not mapped by default in the linear space.  You can either access
>it with the farptr functions or the nearptr functions.  Emulated linear
>buffers (ie 0xd00xxxxx) are not supported.  Use the conventional_memory
>selector with offset 0x0a0000.
>
>If your video card has the capabilities of mapping a linear buffer in
>extended memory, there is a VBE.ZIP example floating around which shows
>how to turn this on and directly write to the card with both near pointers
>and far pointers.
Where is this file and what is its exact name ?

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