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Path: ...!eternal-september.org!feeder2.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Thomas Koenig <tkoenig@netcologne.de> Newsgroups: comp.arch Subject: Re: Arm ldaxr / stxr loop question Date: Tue, 12 Nov 2024 13:55:25 -0000 (UTC) Organization: A noiseless patient Spider Lines: 29 Message-ID: <vgvmod$1kaoj$1@dont-email.me> References: <vfono1$14l9r$1@dont-email.me> <vgjvsv$31l0n$1@dont-email.me> <E5pXO.86774$TpU4.12115@fx41.iad> <vgoni8$ib$1@dont-email.me> <W4SXO.278128$WtV9.16170@fx10.iad> <f9e9f6672e6a3aee798231ace65392e0@www.novabbs.org> <vgp2ol$268r$5@dont-email.me> <vgthoi$13qgd$1@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Injection-Date: Tue, 12 Nov 2024 14:55:26 +0100 (CET) Injection-Info: dont-email.me; posting-host="fd2f8c22f4feff39877eeb97a6a348ef"; logging-data="1714963"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+F0xemsMRSED6aZyM4VtqY5h7rDmuXtZQ=" User-Agent: slrn/1.0.3 (Linux) Cancel-Lock: sha1:UGHin5hgVKn+9+nPJTnipV4wpm4= Bytes: 2284 Malcolm Beattie <mbeattie@clueful.co.uk> schrieb: > On 2024-11-10, Lawrence D'Oliveiro <ldo@nz.invalid> wrote: >> On Sun, 10 Nov 2024 01:26:22 +0000, MitchAlsup1 wrote: >> >>> It reads better without explanation ... >> >> Reminds me of the “EIEIO” instruction from IBM POWER (or was it only >> PowerPC). >> >> Can anybody find any other example of any IBM engineer ever having a sense >> of humour? Ever? > > One of the resource types in JES2, the batch subsystem for z/OS, is > BERT ("Block Extension Reuse Table") and needs some sizing/tuning by > the sysprog. Not too noticeable as humourous but for low-level use > from Assembler some of the macros which manipulate them allow you to > (1) copy one into memory, i.e. "Deliver Or Get" a BERT > (2) define a hook to get control when a BERT is released, i.e > "Do It Later" for a BERT release. > (3) generate a control block for a related data area, i.e. a > "Collector Attribute Table" for BERTs. > > These macros are > (1) $DOGBERT > (2) $DILBERT > (3) $CATBERT Do you know if these macros existed before 1993, when Dilbert was first released?