At 10:37 PM 2/16/2005 +0100, Bernd Blaauw wrote:
Michael, is there some small list or something of apps using EMS, VCPI, DPMI, etc?
I only have used "Raptor: Call of the Shadows" in the past (bought full version for $10 or so a few years ago, DPMI),
Warlords II Deluxe (uses EMS), MSCDEX with /E option to store additional buffers in EMS,
and that's about it.
Still using EMS would be a relatively small list. Old Clipper-compiled database programs that were never later updated to use DOS extenders may well lead the list. And the list is mostly the old 3.2 EMS standard which EMM386 has supported forever. EMS initially required installing special memory cards. I remember the cards as big deal, back when we needed RAM disks and disk caches to speed up glacially slow compiles. Not terribly cheap, either.
XMS is so much cleaner, I think most applications that weren't already dead went to using that when it became common, unless they were locked into supporting sub-80286 machines. Probably a goodly number of older DOS applications use XMS.
After XMS came the DOS extender waves with VCPI and DPMI. You'll find almost all complex DOS applications use either VCPI or DPMI via a DOS extender of one sort or another. Thousands and thousands of applications there. One of the few areas of DOS programming still gaining new applications.
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