From: Fabrice ILPONSE <fabrice AT trash DOT lip6 DOT fr>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Pointer to 0xA000
Date: Wed, 10 Dec 1997 11:16:37 +0100
Organization: Universites Paris VI/Paris VII - France
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krizz wrote:
> 
> 
> short video=__dpmi_segment_to_descriptor(0xa000);
> unsigned char buffer=malloc(0xffff);
> _movedatal(_my_ds(), (unsigned int)buffer, video, 0, 0x3fff);

	This is blitting and it's perhaps not the original poster wanna do!

> 
> krizz
> 
> Olmeca wrote:
> 
> > I wanna have a pointer to the address 0xA000, but in Djgpp it's a problem.
> > e.g.: unsigned char *vga=0xA000 (this doesn't work, cause of protected
> > mode)

	I know it exists _djgpp_convential_base_adress() or something like
that. You can do char *videomem=_djgpp_convential_base_adress()+0x0a0000
and use it as a normal pointer. I saw an example in the Mikmod 2.xx
code.
-- 
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