> Would allocating and using SYSTSIN/SYSTSPRT substitute for
> The terminal input and output

pretty sure I routinely did this with IKJEFT01 back in the day (not TSR - 
used to write internal tools for devt folks as an avocation).  I did a lot 
more Rexx than clist.  Is there any reason you're using TSR per se? Memory 
is hazy here, but I thought TSR was intended for invoking clists/rexx from 
compiled code or vice versa when you want access to the variable pool.  I 
would debug in foreground, then just run the same TMP (01) in a batch job 
using the contents of proclib(foreground session logon proc name) as a 
starting point for my JCL.
Start with something innocuous as a test, and expand outward to test all 
the parts of the interface you expect to rely on before spending huge 
chunks of time on it.  Some third party programs intercept clists in 
various ways, testing is like nuking it from orbit (the only way to be 
sure).  E.g. invoke a clist that just reads from the terminal (here: 
systsin) and then writes the value back out, perhaps pre/appending its own 
string.  If you're going to depend on accessing a variable pool via TSR, 
same idea.

Best Regards, John

Voice US 845-435-9470  BluePages
z/VM OpenStack Enablement and KVM 


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