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From:	Jim Michaels <jmichae3 AT yahoo DOT com>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: djgpp compiler and tools, execution of apps on 64-bit windows
Date:	Wed, 12 May 2010 17:27:42 -0700 (PDT)
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On May 12, 3:36=A0pm, Jim Michaels <jmich DOT  DOT  DOT  AT yahoo DOT com> wrote:
> On May 11, 10:05=A0pm, "Charles Sandmann" <cwsd DOT  DOT  DOT  AT earthlink DOT net> wrote:
>
>
>
> > "Jim Michaels" <jmich DOT  DOT  DOT  AT yahoo DOT com> wrote in message
>
> >news:d9cc89d0-2aba-440e-9aad-50d9c1f57709 AT p5g2000pri DOT googlegroups DOT com...
>
> > > on, say, 64-bit windows 7, can you execute 32-bit CWSDPMI DOS apps
> > > compiled with DJGPP in a CMD.exe shell?
> > > can you execute the DJGPP toolset in a CMD.exe shell?
>
> > No to both. =A0DJGPP images appear as DOS 16-bit images to
> > Windows (the stub is 16-bit DOS). =A016-bit programs cannot
> > run under a 64-bit mode unless they are done in emulation.
> > Emulation products will run DJGPP images, but more
> > slowly.
>
> > > what about 32-bit windows 7?
>
> > Should be fine, but 32-bit Win7 is also hard to find.
>
> > > I was going to utilize this information to base my purchase decision
> > > on a new computer.
>
> > If the computer has 3GB of memory or less, the 32-bit version
> > makes more sense for lots of reasons. =A0If the computer has more
> > than 3GB of memory, you will probably only get to use 3GB
> > or maybe 3.5GB of it under 32-bit Windows. =A0There are tools
> > that allow you to use the unused memory for other things like
> > a RAM disk.
>
> > > should I just stay with venerable old XP 32-bit?
>
> > It is more compatible with DJGPP images and lots of
> > software out there, but is hard to find. =A0Microcenter
> > currently has a reasonable new dual core XP-Pro Dell
> > system for $399 if you want to stick with previous
> > generation software. =A0It comes with upgrade rights to
> > Win 7 Pro if you decide to upgrade.
>
> actually I was looking at a high end 4 or 6-core box since it was 2004
> since I bought a computer (6 years). =A0I was thinking of an intel
> processor. i7 980x w 9GB RAM or yorktown HP w 8GB RAM and then
> installing XP SP3 Retail or, if windows 7 retail would work, windows 7
> retail.
> but then I have a drivers problem if I retro xp - drivers may not be
> available for xp on the hp web site!http://www.forumcraze.com/forums/appl=
ications/34440-microsoft-windows...
>
> what about the retail version of windows 7? =A0it always treats intel
> procs as 32-bit doesn't it? =A0or does it?
> I guess from this picture (correct me if I am wrong) the retail
> version treats all intel procs like 32-bit procs.
>
> can I set up an emulation product like freedos which has drive/
> partition access to the rest of the system if I make another FAT32
> filesystem? =A0Freedos uses a variation of FAT32.

I may do a custom computer with windows 7 32-bit. computer stores can
custom build me a computer with windows 7 32-bit and 32-bit has
command.com.

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