In <2073666706692890.wa.ron5174gmail....@listserv.ua.edu>, on
02/04/2014
   at 08:18 AM, Ron Thomas <ron5...@gmail.com> said:

>I am new to assembler, so not sure i am pharsing the query correctly.

Download and read Principles of Operation.

>In the attached code whether if the ITMAP bit is on for a memory
>location, then after executing the below code is it going to be
>turned off.? 

An exclusive or with zero is a no-op, other than setting the condition
code. OTOH, if you used an Execute instruction on XI@TM then the
result would depend on the register contents.

 
-- 
     Shmuel (Seymour J.) Metz, SysProg and JOAT
     ISO position; see <http://patriot.net/~shmuel/resume/brief.html> 
We don't care. We don't have to care, we're Congress.
(S877: The Shut up and Eat Your spam act of 2003)

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