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From: | PaulCsouls <paulcsouls AT worldnet DOT att DOT net> |
Newsgroups: | comp.os.msdos.djgpp |
Subject: | Re: Parallel Port in Win 2000 |
Message-ID: | <lvp481d71tauo3rsjgmdtlu94228u4oh6b@4ax.com> |
References: | <k42381l8qfeh7qqgj0c6257j5elei5jhjp AT 4ax DOT com> <4281c46c$1 AT news DOT infonet DOT ee> |
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Date: | Wed, 11 May 2005 20:20:49 GMT |
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X-Trace: | bgtnsc05-news.ops.worldnet.att.net 1115842849 12.72.220.65 (Wed, 11 May 2005 20:20:49 GMT) |
NNTP-Posting-Date: | Wed, 11 May 2005 20:20:49 GMT |
Organization: | AT&T Worldnet |
To: | djgpp AT delorie DOT com |
DJ-Gateway: | from newsgroup comp.os.msdos.djgpp |
Reply-To: | djgpp AT delorie DOT com |
On Wed, 11 May 2005 11:37:58 +0300, "Tõnu Aas" <tonu att ids punkt ee> wrote: >> I've written some programs that use the Parallel Port and work well >> in Win 98, but do not work in Win 2000. I've read in the FAQ about >> some glitches with the serial port in NT. Do these apply in Win 2000? >> Can I access LPT1 from a DOS box in Win2000? > > Yes you can. NTVDM emulates LPT port for DOS programs. >As it does in Win98 (its not named ntvdm under 98), >but NT family does it a bit strange: all access to LPT are done >after VM destrcution. So all printing will be done after program exit. > >Tõnu. > > After the program exits or after the exiting the DOS window? The command right now is simply 'gmux 1 2 3' where the first number is bits 5 and 4, the second is bits 3 and 2 and the last is bits 1 and 0. The program then exits and we see no change on the parallel port. I haven't looked for what happens after closing the DOS window Thanks Paul.
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