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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 15:36:36 -0700 (PDT)
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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).  I 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/applications/34440-microsoft-windows-7-ult=
imate-7600-16385-rtm-x86-retail-32bit-final.html

what about the retail version of windows 7?  it always treats intel
procs as 32-bit doesn't it?  or 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?  Freedos uses a variation of FAT32.

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