From:	"RMSoft" <rmsoft DOT rmsoft AT mail DOT ee>
Newsgroups:	comp.os.msdos.programmer,comp.os.msdos.djgpp
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Subject:	Re: What compiler should I choose?
Date:	Sun, 6 Aug 2000 15:08:09 +0300
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To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp
Reply-To:	djgpp AT delorie DOT com

Joseph Morris <jpm AT it-he DOT org> wrote in message
news:398D3741 DOT D4571744 AT it-he DOT org...
> A flat-realmode implementation is to be AVOIDED if you wish to use sound
in
> your application, or you wish to be able to run it at all a few years from
now.
>
> Many popular PCI soundcards need EMM386 or Win95 for their drivers, since
they
> seem to use ring-0 IO traps to redirect the IO ports to the soundblaster
> defaults, and they may also use it to simulate ISA DMA transfers somehow.
> Try asking an SB-Live! owning Ultima fan if they can play Ultima 7.
> (A commercial game from 1992 which uses the flat-realmode technique.)
>
> Also, it won't work in Windows Me, Windows 2000 or Linux without some kind
of
> heavy-duty emulator like Bochs or VMware, for a similar reason.  None of
these
> OSes can boot down to DOS because it's either hidden aggressively or
simply not
> there.

So, but this is msdos newsgroup and Win or Linux is 'off-topic'.
Programming in Dos means rather fixing some concrete hardware or programming
task and in Dos-programming talking about future compatibility isn't
important at all
because Dos isn't very commercial platform today and is absolutely
uncompatible with
Windows or Linux. Dos programs are more useful for embedded systems where
you
simple can't install Windows or Linux.
If you want to write compatible programs then best is to use example
VisualC++,
VisualBasic or Java for Win platform and forget about hardware (let this
work for M$
corporation-they want also earn money :-)) and Dos at all.

-------
 Ivar, (c)RMSoft.
 http://my.tele2.ee/rmsoft
 rmsoft DOT rmsoft AT mail DOT ee

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