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Mail Archives: opendos/1997/05/16/15:50:51

Comments: Authenticated sender is <alaric+abwillms AT sdps DOT demon DOT co DOT uk>
From: "Alaric B. Williams" <alaric AT abwillms DOT demon DOT co DOT uk>
To: Leath Muller <leathm AT solwarra DOT gbrmpa DOT gov DOT au>
Date: Fri, 16 May 1997 20:27:09 +0000
MIME-Version: 1.0
Subject: Re: OpenDOS graphics drivers
Reply-to: alaric AT abwillms DOT demon DOT co DOT uk
CC: opendos AT delorie DOT com
In-reply-to: <199705140533.PAA05313@solwarra.gbrmpa.gov.au>
References: <Pine DOT LNX DOT 3 DOT 95 DOT 970513214434 DOT 6283A-100000 AT 55-174 DOT hy DOT cgocable DOT ca> from "Pierre Phaneuf" at May 13, 97 10:02:32 pm
Message-ID: <863810711.0618408.0@abwillms.demon.co.uk>

> Even though a DOS 16bit program doesn't have scheduling to worry about,
> it still only runs at half the speed of a 32bit program;

Awooga! Awooga! Bzzzt!

32 bit doesn't imply twice as fast, except for raw memory blits, and even
then, not quite; the cache will make 2 16 bit requests into 1 32 bit request
for the slow DRAM, anyway, so it's only 2 cache reads - zero wait state.

Anyway, you can use 32 bit real mode code :-)

> Leathal.

ABW 
--
Alaric B. Williams (alaric AT abwillms DOT demon DOT co DOT uk)

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