I dunno, man? I think their justification sounds pretty sensible: approx 100% of qualified C64 developers will have spent a good deal of time poring over the or

I dunno, man? I think their justification sounds pretty sensible: approx 100% of qualified C64 developers will have spent a good deal of time poring over the original code, so there's a very good chance that any supposedly clean room implementation will, legally speaking, be anything but. Hence all the extra palaver. (The only questionaible thing in my view is why they aren't using 64tass.)