Something like this would have answered the question I had a few weeks ago :-). So one up-vote from me.
*Mark Hammack* On Thu, May 9, 2024 at 11:04 AM Jonathan Scott <jonathan_sc...@vnet.ibm.com> wrote: > I have for some years had a comprehensive list of all opcodes > supported by HLASM showing the range of OPTABLEs for which each > one is valid, the instruction format, whether it is an extended > mnemonic, the instruction name and some other information. This > information is generated systematically by a tool from the HLASM > OPTABLE definitions. > > I will try to get it added as a new appendix to the HLASM > Programmer's Guide, if that is considered practical and > maintainable. > > Jonathan Scott, HLASM > IBM Hursley, UK >