Glenn Howald wrote:
> 
> Hi All:
> 
> I am trying to debug a 5250 screen-scraper and its handling of the DDS ALARM
> keyword. Their tech support people claim that they are interpreting the
> 'beep' command through the 5250 datastream. I am looking for enough details
> to decipher a datastream dump and see what is causing the 'beep'.

There is a flag in the CC2 byte (you can see where we handle this on
line 863 of session.c in the version 0.16.1 source).  If this bit is
set, it means to beep when you update the display.  There are various
other places where we beep, but that is the one which would be related
to the DDS ALARM.  The CC1 and CC2 bytes are sent with the `Write to
Display' command, the CC1 flags are supposed to be handled before the
update and the CC2 is handled after.

> 
> I realize that this is really not directly related to TN5250, but I believe
> there are some 5250 data stream gurus out there who might be able to help me
> get started.
> 
> Additionally, Is the book "IBM 5250 Information Display System, Functions
> Reference Manual", SA21-9247-6, available anywhere on-line?

For some reason, it is just called the `Functions Reference', it is
available here:
http://publib.boulder.ibm.com:80/cgi-bin/bookmgr/BOOKS/CO2E2001/CCONTENTS

This is actually the functions reference for the 5494, but it contains
everything from the 5250 Functions Reference that I own and some more.

> 
> Thanks in advance for your assistance and patience.
> 

No problem, hope this helps.

> Glenn Howald
> Programmer/Analyst
> Gateway Software Corporation
> 

-Jason M. Felice
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