I've done that, but didn't need 16-bit or 20-bit displacements, so plain old 
S-cons were adequate.

-- 
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3
עַם יִשְׂרָאֵל חַי
נֵ֣צַח יִשְׂרָאֵ֔ל לֹ֥א יְשַׁקֵּ֖ר




________________________________________
From: IBM Mainframe Discussion List <[email protected]> on behalf of 
Binyamin Dissen <[email protected]>
Sent: Wednesday, June 11, 2025 3:14 AM
To: [email protected] <[email protected]>
Subject: Re: Is there an equivalent of an S-con for a long displacement?


External Message: Use Caution


On Tue, 10 Jun 2025 15:27:34 -0500 Jon Perryman <[email protected]> wrote:

:>I've never seen a valid use case for S-CONS.

A read only parameter list where the target routine uses the callers registers
to calculate the address of the parameters.

I chose to use LAY to get the BLLLHH and overlay the E300 and 71 with other
metadata (length,type,etc.)

--
Binyamin Dissen <[email protected]>
http://secure-web.cisco.com/1KLvQfDpSj4T1CCHwixoOly9A53Y_7iaoP1ve1wMaMH6jESnWJo6kkXTmyAkzbvElT214QBA0VWPwvKxtuV7VbQiH-OIQmcJE7iwXzefLNsr54AXXR6Sb9y-OH-14tg_9vFqM5ZzhKn_k8ha1J7Kc56UvyBTPJvnL014bjyVfsCESAmoH-TzK_6EO6wAoEOisBb2WcG6wcqwJ4HZw_lPPi8C8gSJx73nxiTmSHdlsOUj0iOoESOCknXqZy6L-RcNvHoHK52VFF6W4Y5Z-iA4se4vwq9cyfPgVrQO9TCjMubpgl5HduHwaorCoMzo0rCEiK1XLIhaHaZEWIVtvONMcqQh0c1ktqmUaOdJuQELovXPo3S-YghJ8ysINBq4S5Ka4z9Jk-7XYbK2IhWwlOMr0yHvkSfqyaNse0XRk49Q1tL0/http%3A%2F%2Fwww.dissensoftware.com

Director, Dissen Software, Bar & Grill - Israel

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