Re: It's TGET not TPUT to get the data: Where do I start?

On Tue, May 25, 2010 at 2:34 PM, PeterH <[email protected]> wrote:

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> On May 25, 2010, at 9:11 AM, steve donato wrote:
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> > I think last responder ment TGET to get data and cursor location,
> > TPUT is for output. And I agree "Insert Cursor" is the IC attribute.
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> Normally, TPUT is text, only, and without any "orders", such as IC,
> SF, etcetera, unless it is MODE=FULLSCR.
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> TGET usually inputs the MODIFIED fields text, only.
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I am looking at  http://tommysprinkle.com/mvs/P3270/input.htm

Where Tommy says:
When we issue the TGET macro with the ASIS parameter specified, TSO will
issue a "Read Modified" command to the 3270 terminal.  The terminal will
respond with (1) an AID  or Action ID character that identifies which key
was the cause of input to be accepted (Enter, PKxx, PAx, Clear), (2) the
location of the cursor when the input key was pressed and (3) fields with
the MDT bit set.  The fields are returned starting with a x'11' followed by
a two byte encoded buffer address followed by the data from the field.  By
scanning for the special code x'11' we can find the start and end of each
data field.

I think this looks like:

Aid/Action ID

Cursor Location

11 [Field Location] Field data

11 [Field Location] Field data

Followed by ??

<for each field with mdt set>


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