Message-ID: <DDCDC9DE5EC0D411AE7B0090273F74A412C9D4@emwatent02.meters.com.au>
From: "Da Silva, Joe" <Joe DOT DaSilva AT emailmetering DOT com>
To: "'opendos AT delorie DOT com'" <opendos AT delorie DOT com>
Subject: RE: Stealth (was EMS, nee BASIC & EMS, nee Optimizing CONFIG.SYS.
	..)
Date: Tue, 28 Nov 2000 16:10:00 +1100
MIME-Version: 1.0
X-Mailer: Internet Mail Service (5.5.2448.0)
Content-Type: text/plain
Reply-To: opendos AT delorie DOT com

Ah! ... I've just remembered ... it's called "Stealth", not "Cloaking"!

Joe.

> -----Original Message-----
> From:	Da Silva, Joe 
> Sent:	Tuesday, 28 November 2000 10:14
> To:	'opendos AT delorie DOT com'
> Subject:	RE: EMS (was: BASIC & EMS, nee Optimizing CONFIG.SYS...)
> 
> Hmmm ... Perhaps I have my terminology "mixed up"?
> 
> When I referred to "cloaking", I was referring to an EMS-specific
> feature of QEMM (IIRC), whereby the EMS page frame was
> "on top of" the VGA BIOS address range. The "cloaking" feature
> then intercepted the EMS and VGA's API, switching-in whichever
> memory (page frame or VGA BIOS) was required ... at least this
> is the way I remember this feature being described, in a book
> called (IIRC), "DOS beyond 640K".
> 
		----- snip -----