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Mail Archives: djgpp/2000/02/28/06:15:42

From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Fastest bitblt?
Date: Mon, 28 Feb 2000 12:05:57 +0200
Organization: NetVision Israel
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On Mon, 28 Feb 2000, Damian Yerrick wrote:

> Protected mode only provides a mechanism for memory protection; it
> doesn't require that operating systems provide such protection.

Not true.  Memory protection is built into protected mode, at least to 
some degree.  Access rights checking and segment-level protection are 
always active, as they are inherent to PM.  Page-level protection is 
optional.

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