VT100 terminal code: One more

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3 total messages Started by Frank I. Reiter Tue, 27 Oct 1992 22:23

Author: Frank I. Reiter
Date: Tue, 27 Oct 1992 22:23

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Thanks to all the folks who responded to my last VT100 control code query.  I
now have a good list of VT100 codes (several actually) and would be happy to
pass one on to anyone else who needs it.

None of those lists documents one of the codes I am encountering however:

<Esc>[1;25r

Can anyone tell me what this is supposed to do (and why it might be excluded
from all of the lists I've received?)

Frank.
--
___________________________________________________________________
Frank I. Reiter                 Internet: Frank@mindlink.bc.ca
MIND LINK! Communications Corp. Surrey, British Columbia, Canada

Re: VT100 terminal code: One more

Author: Elizabeth Haley
Date: Wed, 28 Oct 1992 09:41

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Frank@mindlink.bc.ca (Frank I. Reiter) writes:

>Thanks to all the folks who responded to my last VT100 control code query.  I
>now have a good list of VT100 codes (several actually) and would be happy to
>pass one on to anyone else who needs it.

>None of those lists documents one of the codes I am encountering however:

><Esc>[1;25r

Hmmm, I believe that would be a code setting the first line of the
scrolling area to 1 and the last to 25...
At least, that's what it does on my Tektronix 4107A, which purports to
be VT100 compatible...

try setting \E[10;20r and then see how the terminal lets things
scroll.
If on Unix execute a "reset" afterwards, which should cure the
effect...
--
When life seems to be getting you down...
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-------------------- David misses eBeth ----------------------
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Re: VT100 terminal code: One more

#11

Author: Peter D. Smith
Date: Wed, 28 Oct 1992 18:06

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In article <16824@mindlink.bc.ca> Frank@mindlink.bc.ca (Frank I. Reiter) writes:
[...deleted...]
>None of those lists documents one of the codes I am encountering however:
>
><Esc>[1;25r
>

It sets the scrolling region from 1 to (wait for it) 24.  Values that are
too big are clipped to the size of the screen.

What seperates the men from the boys (so to speak) in terminal emulators is
how they handle "incorrect" sequences; scrolling regions that go over the
edge, or which are too small (scolling regions have to be at least 2 lines
on VT100s), etc.

				Peter D. Smith

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