Re: Where do I start?

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>    Yes, look at the IC command which I believe is x'13'.  (Saying this 
> from memory)
>
>    As for the input I know you use the TPUT command and it returns a 
> buffer string.  Again from memory, the TPUT returns the length of the 
> gotten string, and the buffer contains the location of where the 
> cursor was at, what attention key was hit, following this is the input 
> location and the text.

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You're confusing TPUT with TGET. Unfortunately, TGET doesn't give that 
much information. There are several chapters in the TSO Programming 
Guide devoted to terminal I/O and you should study them carefully before 
attempting any kind of major project. Go get the manual from the IBM Web 
site, in either BookManager or PDF format and study it carefully.

You can learn about the various commands, addressing, etc. for the 3270 
from "IBM 3270 Information Display System Reference Summary", GX20-1878. 
If you see multiper versions, grab them all as the 3270 display evolved 
quite a bit and I don't remember exactly which models were available in 
the days of MVS 3.8J.

Rick