On Tue, Mar 30, 2010 at 02:00:03AM -0400, Ethan Dicks wrote: > > If I remember correctly, the very first defect of my C64 was that it hung > > when trying to write to tape. Apparently, the 6510 on-chip I/O port had > > been damaged so that when it tried to wiggle the CASS WRITE line, also the > > memory configuration lines were being changed. > > Ouch. That must have been a fun one to diagnose - the machine "runs", > so the CPU "must" be good... Yes, and the screen would blank as it should. Only the SAVE command would never complete. :-) The funny thing was that it was probably caused by hot-plugging a tape drive in order to copy games without having to adjust the head alignment. :-) You know, it was the "punishment" for the "sin" of copying (which was not illegal here at that time, for private use). If anyone wants a car analogy, there have been rumors that cheap <insert foreign nation name here> fuel could damage the engine. (As far as I understand, many Finnish people living close to the Russian border are circumventing the domestic taxes by filling the tank abroad.) This was the case of such a rumor coming true. :-) Marko Message was sent through the cbm-hackers mailing listReceived on 2010-03-30 07:00:20
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