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From: jwbirdsa@amc.com (James Birdsall)
Newsgroups: comp.os.msdos.programmer
Subject: Re: Intel 386 C
Message-ID: <1991Jun14.213319.16622@amc.com>
Date: 14 Jun 91 21:33:19 GMT
References: <1234@ocsmd.com> <4097@ssc-bee.ssc-vax.UUCP> <1991Jun13.231255.7781@proto.com> <1658@balrog.ctron.com>
Reply-To: jwbirdsa@europa.amc.com (James Birdsall)
Organization: Applied Microsystems, Redmond, WA
Lines: 37

In article <1991Jun13.231255.7781@proto.com>, doug@proto.com (Doug Huffman) writes:
>Has anyone used INTEL386 C?  It is supposed to make 386 executables
>that don't need a DOS extender!  It apparently wraps its own
>DOS extender into the executable!  Sounds too good to be true?!

   It's OK. It's not perfect. The DOS extender is bound into the
executable, so the final runnable result is just one piece.

>The DOS extender will recognize up
>to 16Mb of extended RAM and can be set up to use up to 4Gb of disk
>space for virtual memory. 

   No. It will use up to 32M of RAM. Maximum virtual memory is 256M.

>Perhaps the nicest thing about the DOS
>extender is that Intel requires NO royalties for distribution of
>executables unlike Phar Lap and Ergo. 

   True.

>The DOS extender is DPMI
>compliant which means that it runs just fine under a Windows DOS box
>when you're in 386 enhanced mode.

   Unless you're trying to do floating point. Windows presently blocks
the interrupt their floating-point emulator needs to see in order to
function. If you have a coprocessor, it should work OK though.

   Note that it isn't compatible with QEMM, 386^Max, and other such
VCPI compliant software. However, it is supposed to work with QEMM/386^Max
if you're also running Windows at the same time.

-- 
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