
Seattle, Washington — July 24, 2020 — Apple Pugetsound Program Library Exchange (A.P.P.L.E.) is proud to announce the availability of a new manual for “ProZAP: A ProDOS Block Read/Write Utility” written by Gary Charpentier, Val J. Golding, Greg Kielian, and David Sparks in 1984.
ProZAP is a ProDOS block read/write utility that is your key to unlocking many of the mysteries of Apple II disk directories, files and programs. It uses intrinsic ProDOS routines to read, edit and write any ProDOS block or DOS 3.3 sector all from the ProDOS environment.
Availability
“ProZAP: A ProDOS Block Read/Write Utility” is available through the A.P.P.L.E. bookstore with production and fulfillment by Lulu.com. A disk image is available on the Apps page.

Features
- Table of Contents PDF
- ProZAP – Examine and change almost any part of the information found on a diskette.
- Block & Track/Sector Converter – Use hex or decimal input and a choice of conversion direction: DOS track and sector to ProDOS, or ProDOS block to DOS 3.3.
- Monitor Dump Utility – Retrieve data from the Monitor without leaving BASIC: ASCII/Hex Dump, Disassembly, Enter Monitor Commands, Find 2-byte Hex Address, and Character Search.
- Source Code – included for Monitor Utility’s machine language routines.


Authors
Gary Charpentier – Author of the Universal File Conversion program for the Apple II and Apple III which allowed users to move data between the various Apple computing platforms and operating systems. He was also an early A.P.P.L.E. member and active in the early days of Call-A.P.P.L.E. magazine.
Val J. Golding – Founded Apple Pugetsound Program Library Exchange (A.P.P.L.E.) in 1978 with the help of Mike Thyng and Bob Huelsdonk at the suggestion of Max Cook, a manager at the ComputerLand where Val bought his Apple II. Val also wrote for Softdisk, On-three and other technology magazines over the years primarily making his mark in the early years of Apple computing.As the founder, Val was instrumental in guiding the company to the position it is in now. Val was the Managing Editor of Call-A.P.P.L.E. magazine and also served as the chairman of the board of directors. His wife and daughters were a big part of documenting his stories about his hobby of Cable Cars, and he was the editor of a highly acclaimed newsletter for his daughter’s school. He passed away at age 77 on July 2, 2008 after a long battle with cancer.
Greg Kielian – an Apple II programmer known for his early programming articles in both Call-A.P.P.L.E. as well as in Creative Computing. Author of Bombproof Data Entry, an article in the November 1980 issue of Creative Computing, he was well versed in the early days of Apple computing and had a profound effect on many others in the industry with his detailed articles. Authors on other computing platforms used Greg’s early work as a premise for their own input systems on their platforms.
David Sparks – a member of A.P.P.L.E.. Along with Cecil Fretwell, they were prolific in their contributions to A.P.P.L.E., with a good portion of the editing of Call-A.P.P.L.E. magazine and the apps and books that were produced at the time. David’s person contributions to the Apple II computing realm were numerous and dot the Call-A.P.P.L.E. landscape like the stars.
Producers
Brian Wiser — A producer of books, films, games, and events, as well as an Apple consultant, historian and archivist. Designer, editor, and co-producer of dozens of books including: Nibble Viewpoints: Business Insights From The Computing Revolution, Cyber Jack: The Adventures of Robert Clardy and Synergistic Software, Synergistic Software: The Early Games, Graphically Speaking: Enhanced Edition, What’s Where in the Apple: Enhanced Edition, and The WOZPAK Special Edition: Steve Wozniak’s Apple-1 & Apple II Computers. Producer/Director of the documentary film “Done The Impossible: The Fans’ Tale of Firefly & Serenity“, his Browncoat Cruise convention with Firefly cast, and an extra in the movie “Serenity.” Co-producer of Beagle Bros and Applied Engineering websites, the retro iOS game Structris, and co-producer/writer for CallAPPLE.org and Call-A.P.P.L.E. magazine. Brian is also the author of The Etch-a-Sketch and Other Fun Programs.
Bill Martens — Apple historian and enthusiast, programmer, President of Apple Pugetsound Program Library Exchange (A.P.P.L.E.) and co-producer of Call-A.P.P.L.E. magazine, and books like: Cyber Jack, Synergistic Software: The Early Games, Nibble Viewpoints, The WOZPAK Special Edition, and What’s Where in the Apple: Enhanced Edition. Bill also co-produced and co-programmed the retro iOS game Structris. Bill is the author of ApPilot/W1, Beyond Quest, The Anatomy of an EAMON, and multiple EAMon adventure games. He is a systems engineer specializing in office infrastructures and has been programming since 1976. And he is the production editor for the A.P.P.L.E. website CallAPPLE.org, writes science fiction novels in his spare time, and is a retired semi-pro football player.
Publisher
Apple Pugetsound Program Library Exchange (A.P.P.L.E.) has been a global Apple user group since 1978, with membership peaking near 50,000 in 1985. Offering many services, A.P.P.L.E. is also a book publisher and game developer, and has produced dozens of new book titles since 2013 and over 100 Apple software titles.
A.P.P.L.E. published the The WOZPAK Special Edition – a detailed book containing Steve Wozniak’s restored handwritten notes and printouts about his Apple II computer, as well as forewords from Steve Wozniak and other Apple legends. They also publish books such as: Graphically Speaking: Enhanced Edition by Mark Pelczarski, Tome of Copy Protection, Cyber Jack: The Adventures of Robert Clardy and Synergistic Software, Synergistic Software: The Early Games, Nibble Viewpoints: Business Insights From the Computing Revolution by Mike Harvey, What’s Where in The Apple: Enhanced Edition, The Colossal Computer Cartoon Book: Enhanced Edition by David H. Ahl, A.P.P.L.E. 1978 and 1979 magazine Compendiums, and the retro iOS game Structris.
Press information is available at: www.callapple.org/press
Books are listed at: www.callapple.org/books