X-Authentication-Warning: delorie.com: mail set sender to djgpp-bounces using -f NNTP-Posting-Date: Wed, 12 May 2010 00:05:04 -0500 From: "Charles Sandmann" Newsgroups: comp.os.msdos.djgpp References: Subject: Re: djgpp compiler and tools, execution of apps on 64-bit windows Date: Wed, 12 May 2010 00:05:05 -0500 X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2900.5931 X-RFC2646: Format=Flowed; Original X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5931 Message-ID: Lines: 36 X-Usenet-Provider: http://www.giganews.com NNTP-Posting-Host: 64.91.192.48 X-Trace: sv3-nUCk2lsgCTEAAO995Id0ryK+YeERPs/CAKU78KEvwJcEU+b+TH2SDBLTLAMV0o3GDtPp3/O7J3QW0ZE!Oj0bn/tFi9oXJufy7KEfXwRWU/NSnvDczikCHJRfvIv8BQs2mT2BdmlR3w2zCT69/rA8OarZN2Ji!P9oBqpisNXFeJVgmIk3E9iY+VTx9xoU= X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.40 Bytes: 2618 To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Reply-To: djgpp AT delorie DOT com "Jim Michaels" 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. DJGPP images appear as DOS 16-bit images to Windows (the stub is 16-bit DOS). 16-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. If 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. There 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. Microcenter currently has a reasonable new dual core XP-Pro Dell system for $399 if you want to stick with previous generation software. It comes with upgrade rights to Win 7 Pro if you decide to upgrade.