I have a customer running a program i wrote in 1990 in fox for dos with a
dos os, he has installed the program on a new machine running win xp.
the problem is now the program stops and waits for 5 minutes. I went over
today and ran the program interactively and found the program was stopping
at random spots. The thing I noticed was the speed of execution, it was
fast. I'm wondering if the machine is too fast. Any one have a suggestion on
how to slow the machine, or anything to suggest why the program pauses.
Thanks Jerry
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Hi, Jerry
I seem to remember a patch for 'too fast' machines that we had to use sometimes. It might have been required only for FPW (windows), I'm not sure. Might look in the ProFox archives.
(I never needed it)
Dan
> From: jerryf@footegroup.com
> To: profoxtech@leafe.com
> Subject: foxprox pauses
> Date: Tue, 9 Dec 2014 19:01:01 -0600
>
> I have a customer running a program i wrote in 1990 in fox for dos with a
> dos os, he has installed the program on a new machine running win xp.
> the problem is now the program stops and waits for 5 minutes. I went over
> today and ran the program interactively and found the program was stopping
> at random spots. The thing I noticed was the speed of execution, it was
> fast. I'm wondering if the machine is too fast. Any one have a suggestion on
> how to slow the machine, or anything to suggest why the program pauses.
> Thanks Jerry
/FA0F74B6A4DB4C8BA47A4141C24C3DE5@jerryfootePC
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I believe you have run into the problem where you are running FOXDOS on
a dual- (or more) processor computer. XP and FOXDOS and Dual-processors
end up running reeeeeeeeealy slow.
The fix is pretty simple, and involves replacing a file in the Windows
XP System32 folder....
NTVDM.EXE
with a modified version that has the processor affinity set differently
(I forget the techno babble details now.)
Windows File Protection will complain about it when you try to replace
the file and will attempt to restore the original file from the dll
cache folder, so you have to change it there also.
Shut down the System Restore Capability
Reboot the machine
Copy in the new NTVDM.EXE file
Delete the other copy in DLLCache and then re-enable the System Restore
Capability.
If you want I can either email you a modified NTVDM.EXE file, or you can
modify your own.
Mike Copeland
jerry foote wrote:
> I have a customer running a program i wrote in 1990 in fox for dos with a
> dos os, he has installed the program on a new machine running win xp.
> the problem is now the program stops and waits for 5 minutes. I went over
> today and ran the program interactively and found the program was stopping
> at random spots. The thing I noticed was the speed of execution, it was
> fast. I'm wondering if the machine is too fast. Any one have a suggestion on
> how to slow the machine, or anything to suggest why the program pauses.
> Thanks Jerry
>
>
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Not sure whether these 2 articles address your problem:
http://fox.wikis.com/wc.dll?Wiki~Fpd26OnWin2000
http://home.comcast.net/~dallen24/fox.htm
On Wed, Dec 10, 2014 at 9:01 AM, jerry foote <jerryf@footegroup.com> wrote:
> I have a customer running a program i wrote in 1990 in fox for dos with a
> dos os, he has installed the program on a new machine running win xp.
> the problem is now the program stops and waits for 5 minutes. I went over
> today and ran the program interactively and found the program was stopping
> at random spots. The thing I noticed was the speed of execution, it was
> fast. I'm wondering if the machine is too fast. Any one have a suggestion on
> how to slow the machine, or anything to suggest why the program pauses.
--
.~. Might, Courage, Vision. SINCERITY!
/ v \ 64-bit Ubuntu 9.10 (Linux kernel 2.6.39.3)
/( _ )\ http://sites.google.com/site/changmw
^ ^ May the Force and farces be with you!
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On Wed, 10 Dec 2014, at 07:51 AM, Man-wai Chang wrote:
> Not sure whether these 2 articles address your problem:
>
> http://fox.wikis.com/wc.dll?Wiki~Fpd26OnWin2000
> http://home.comcast.net/~dallen24/fox.htm
>
it is almost certainly down to the first of those links.
--
Alan Bourke
alanpbourke (at) fastmail (dot) fm
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Still getting double posts from you Alan. Every time.
Al
-----Original Message-----
From: ProfoxTech [mailto:profoxtech-bounces@leafe.com] On Behalf Of Alan
Bourke
Sent: 10 December 2014 11:00
To: profoxtech@leafe.com
Subject: Re: foxprox pauses
On Wed, 10 Dec 2014, at 07:51 AM, Man-wai Chang wrote:
> Not sure whether these 2 articles address your problem:
>
> http://fox.wikis.com/wc.dll?Wiki~Fpd26OnWin2000
> http://home.comcast.net/~dallen24/fox.htm
>
it is almost certainly down to the first of those links.
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The symptoms you describe might have a number of causes. One of them is
memory starvation. Before you hack too many things, check out the debugging
command line switches you can use with foxpro to display what environment
foxprox thinks it's running in. (They're in the help file) If you find the
exe is memory-starved, you might have to set some configuration options to
provide the extended/expanded memory foxprox needs.
Windows XP isn't a supported OS any more, and isn't safe to use on a
machine connected to a network or the internet.
You might consider a supported OS and virtual machine configured to run
DOS, so you'd actually have a compatible environment.
Alternatively, you could recompile the app to run in VFP. Many DOS apps are
surprisingly functional, if not cosmetically appealing.
On Tue, Dec 9, 2014 at 8:01 PM, jerry foote <jerryf@footegroup.com> wrote:
> I have a customer running a program i wrote in 1990 in fox for dos with a
> dos os, he has installed the program on a new machine running win xp.
> the problem is now the program stops and waits for 5 minutes. I went over
> today and ran the program interactively and found the program was stopping
> at random spots. The thing I noticed was the speed of execution, it was
> fast. I'm wondering if the machine is too fast. Any one have a suggestion
> on
> how to slow the machine, or anything to suggest why the program pauses.
> Thanks Jerry
>
>
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Reply All again? :)
On Wed, Dec 10, 2014 at 6:25 PM, Allen <profox@gatwicksoftware.com> wrote:
> Still getting double posts from you Alan. Every time.
> Al
--
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Well no, the profox addresses are the same
Al
-----Original Message-----
From: ProfoxTech [mailto:profoxtech-bounces@leafe.com] On Behalf Of Man-wai
Chang
Sent: 10 December 2014 18:43
To: profoxtech@leafe.com
Subject: Re: foxprox pauses
Reply All again? :)
On Wed, Dec 10, 2014 at 6:25 PM, Allen <profox@gatwicksoftware.com> wrote:
> Still getting double posts from you Alan. Every time.
> Al
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