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Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3
עַם יִשְׂרָאֵל חַי
נֵ֣צַח יִשְׂרָאֵ֔ל לֹ֥א יְשַׁקֵּ֖ר
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From: IBM Z Software Ideas Portal <[email protected]>
Sent: Thursday, March 5, 2026 10:25 AM
To: Seymour J Metz <[email protected]>
Subject: Idea received: Document the BXH/BXLE/JXH/JXLE trick
External Message: Use Caution [X] Thank you for submitting your idea:
HLASM-I-61 Document the BXH/BXLE/JXH/JXLE trickAn article in either the systems
journal or the journal of RF&D described using BXH and BXLE to test 30 bits in
succession. This trick is still valid and extends to 62 consecutive tests in
AMODE64. It would be useful to have it in either the examples appendix in
Principles of Operations or in one of the HLASM manuals, preferably with a
citation of the original article.View idea You're receiving notifications
because you created this idea. [X] [X]
