• Subject: Re: User presses Esc/Attn to "copy screen"
  • From: dhandy@xxxxxxxxxxx (Douglas Handy)
  • Date: Fri, 12 May 2000 14:55:05 -0400


>These are user defined data stream (UDDS) commands. You're right about their
>usage. I dug them out of a reference guide somewhere. However, it's been
>many years and I can't find the guide now 

The current 5250 data stream documentation is now kept in the 5494
Remote Control Unit Functions Reference manual (SC30-3533) where there
is a chapter devoted to Display Data Streams.

Next month Gene Gaunt will be publishing what could be a very
interesting utility.  It will capture the 5250 data streams flowing at
a workstation, analyze them and create a spool file documenting the
various orders within the data stream.  I'm looking forward to it.

>Actually, this is the only use I have found for UDDS,
>especially since so few people know how to use it. 

I've switched from using UDDS to DSM, even if I'm only reading the
screen image.  Not very many people know how to use it either, but at
least there is better documentation for it...

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