This in-depth look at this copy protection system by [GloriousCow] comes on the heels of a part one that covers Formaster’s Copy-Lock. Interestingly, Sierra switched from Copy-Lock to Superlok ...
[GloriousCow] has started working on a series of investigations into the various historical floppy disk copy protection schemes used in the early days of the IBM PC and is here with the first of ...