Re: Fullscreen debugger for MVS 3.8J?
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Some years ago I talked to Dave Cole at Colesoft Inc. (makers of z/XDC, IMHO the best assembler debugger on the z market) about contributing his old, pre-XA version of XDC to the Hercules/MVS3.8 project and he agreed, but then could not find any source tapes earlier than MVS/XA.? He even asked on the IBM-MAIN list for anyone who might have an old tape of his software that didn¡¯t get thrown out or reused, but no one ever came up with one. ? He felt that his XA code was too deeply structured and dependent on XA internals for him to try to re-create the pre-XA version from the source tapes that he could find. ? Can you tell us who Harry Mernick is/was?? A fellow employee at that bank or a software developer working for an ISV or . . . ? ? I am told that the MVS-DDT debugger available for MVS3.8 works well, but I have not had time to delve into it myself, so I don¡¯t know if it fits your needs. ? Peter ?
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From: [email protected] < [email protected]> On Behalf Of Rupert Reynolds Sent: Monday, November 2, 2020 8:29 PM To: [email protected]Subject: [H390-MVS] Fullscreen debugger for MVS 3.8J? ? I've used Hercules on and off over the? years, but I've never seen an MVS debugger as good as one I used at Nasty Wetmonster Bank. Written by Harry Mernick. It was a set of extensions to the TEST command, but we didn't see the TEST prompt. It looked similar to ISPF browsing the assembly listing, but with PSW info and gp registers on show and the next instruction highlighted. Move the cursor and hit a PF key to set a breakpoint, single step on another PF key. There was even one for authorised code. I guess it ran under the authorised TMP. Has anyone seen such a thing? It would be dead handy debugging some macros and a compiler I'm porting.
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