Silent Service uses the below ship ID from the manual for a format of copy protection.
When you start a mission you are given this screen to ID the ship:
XEMAG info from Peter Brown
CHEVY TECH 1986 Prices includes Camaro, Corvette
Also included the game: Depreciation Derby
DOWNLOAD HERE: chevytech
Nick’s Swift Copy was a 1984 release. It was Much more than just the Best Copy Program and Copied “almost all’ protected disk (what does that mean?). Could handle disk errors, had a quick format. A disk analyzer to detect errors, 1/2 tracks, extra sectors, non standard SYNC, etc).
Nick’s Swift Copy is referenced very frequently in the CLONE NEWSLETTERS also found on the blog here. Click Clone Newsletters on the right side bar.
The Singing 1541 Floppy Drive, 1541-II and then Alignment test
My latest Commodore video – Enjoy