Overview DUMAPD – Display UCB Mapped for MVS38J / ISPF v 2.x / Hercules(current version 0.9.00 2025-09-06) The idea of displaying UCB (Unit Control Block) percolated from programmatically scanning of the UCB in my MVS 3.8J software development hobby projects! As mentioned, the thought occurred while setting the address of the UCB Lookup Table and pointing to the first UCB…
Category: BAL
CATMGT in MVS38J
Overview CATMGT – Catalog Management ISPF Add-on for MVS 3.8J TSO / ISPF / Hercules(current version 0.9.01 2023-11-15) While searching for miscellaneous MVS information, I stumbled across an article from the early 1980s that described the CATLOG Management function as a TSO/ISPF option. Although limited in the use of IDCAMS commands utilized by the option, I decided to embark on…
LBTUTOR in MVS38J
Overview LBTUTOR– ISPFv2.2 Tutorial Utility for MVS38J / Hercules(current version 0.9.02 2024-07-01) ISPF 2.2 from Wally Mclaughlin is a great addition to MVS 3.8J TSO providing an ISPF-like environment on you personal mainframe. ISPTUTOR allows help panels to provide help tutorials for ISPF applications when defined and arranged in a special manner. Under the real-ISPF, the HELP function integrates with…
CALNDR2 in MVS 3.8J
Overview CALNDR2– Simple ISPF Calendar application in FORTRAN(G/H), PL/I(F) and GCC for MVS38J / Hercules(current version 0.9.00 2022-03-20) FORTRAN G, FORTRAN H and PL/I (F) are three other IBM compilers included in the legacy OS MVS 3.8J TK3 and TK4- distributions. Note, other open-source compilers are available on volume, SYSCPK, of the TK3 and TK4- distributions. SYSCPK is a set…
CPRT36 in MVS38J
Overview CPRT36 – Hardcopy Utility (lite-version) using ISPF Panels and CLIST for MVS38J / ISPF / Hercules(current version 0.9.01 2023-12-15) The Hardcopy Utility (option 3.6) is not available in ISPF v2.2 (ISPF-like product from Wally Mclaughlin). Rightfully so, as Wally, more than likely, focuses on developing more desired and higher-demand functions of the ISPF tool for the MVS 3.8J community.…
FINDSRCH in MVS38J
Update: Thanks to Ron Lucas, version V0R9M11 includes missing ISPF CLIST, C$FNDSRH. Overview FINDSRCH – ISPF Find/Search Utilities for MVS38J / Hercules(current version 0.9.11 2022-02-14) After installing MVS38J on my personal computer with Hercules, this legacy operating system provides a nice nostalgic development and computing environment similar to one from our days as software developers, systems programmers, operators or other…
CCOMPR in MVS38J
Update: Thanks to Rob Prins and Marco Verpelli, version V0R9M01 includes more information regarding ZEBCOMPR, specifically for MVS38J. No functional changes to CCOMPR, only documentation updates and additions. The documentation changes are also reflected on this post in the help panel content HCOMPR and readme scrollable file under Installing CCOMPR Software section below. Overview The MVS38J public domain OS is a…
DUCBD in MVS38J
DUCBD – Display DASD and TAPE UCB Information Utility for MVS38J / ISPF v 2.x / Hercules(current version 1.1.02 2025-03-15) The UCB (Unit Control Block) stores information regarding input/output devices on a MVS 38J operating system. Sometimes, it is necessary to inquire on some of that information for research purposes or general I/O device verification. DUCBD displays select control information…
DALCDS in MVS38J
DALCDS – Display TSO Allocations Utility for MVS38J / ISPF v 2.x / Hercules(current version 1.2.02 2024-05-01) Many file allocation listing type CPs can be found on the CBT website or various technical journals. DALCDS displays allocated datasets for the current TSO session on a ISPF panel display. DALCDS is written in assembler (IFOX00) using ISPF 2.1 (product from Wally…
DFSPC in MVS38J
Overview DFSPC – Display DASD Free Space Utility for MVS38J / ISPF v 2.x / Hercules(current version 1.2.03 2025-03-15) DASD Free Space is a necessary metric that may not be used frequently, but requires immediate access and attention when the need arises in some situations. DFSPC displays DASD Free Space on a ISPF panel display written in assembler (IFOX00) using…