From:	Damian Yerrick <DONT DOT YOU DOT DAREd_yerrick AT hotmail DOT comSEND DOT SPAM>
Newsgroups:	comp.os.msdos.programmer,comp.os.msdos.djgpp
Subject:	Re: Is DOS dead?
Organization:	Pin Eight Software http://pineight.8m.com/
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NNTP-Posting-Date:	Thu, 09 Mar 2000 21:54:38 GMT
Distribution:	world
Date:	Thu, 09 Mar 2000 21:54:38 GMT
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp
Reply-To:	djgpp AT delorie DOT com

On Thu, 09 Mar 2000 17:28:30 +0100, Michael Tippach <mtippach AT gmx DOT net>
wrote:

>Damian Yerrick wrote:
>> 
>> Microsoft Corp. wants to kill the MS-DOS system so bad, it refuses to
>> fix bugs in its Windows NT virtual DOS machine. There are a _lot_ of
>> bugs in its DPMI server (as evidenced by threads in
>> comp.os.msdos.djgpp), and the Windows 2000 system still does not fix
>> them.
>>   1. DJGPP's method of handling signals (cause an intentional GPF)
>>      trips up NT.
>
>Depending on the DPMI host, DJGPP's sub- optimal method of handling
>signals, altering the DS- (but implicitely also the SS-) segment limit,
>can generate a stack fault instead. Generally, pulling away one's own
>stack is not a particularly smart thing to do and destined to fail under
>virtually any CPL 0 DPMI host anyway. There are better ways.

If you know any better ways, tell us.  (DJGPP NG added)

>Still does not invalidate your point that the NTVDM DPMI server is
>fundamentally flawed.
>
>>   2. There is no support for VESA or VBE/AF.
>
>There is support for VBE. There is no (AFAIR) support though for linear
>frame buffer use,
>due to DPMI function 0x800 always failing under NT.

Dumb stupid Microsoft, why are you so dumb and stupid?

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