Mail Archives: opendos/2000/11/28/00:07:21
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".
>
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