> I know from studying the tape reading routines that they are quite > complicated, using various counters and timers and interrupt vectors. I > think they are the most difficult part of the whole kernal to > understand. I never completely succeeded anyway. Fully agreed. I'm trying to understand the tape routines of one of my synthesizers and it's just giving me a headache. Counters triggering each other or error routines... But since that was a common technique back in the 80s there must be some information around. Has somebody taken a look into the (so-called) documented ROM listings of the Sinclair machines? Rainer -- Rainer Buchty, LRR, Technical University of Munich Phone: +49 89 289-28401, Fax +49 89 289-28232, Room S3240 Message was sent through the cbm-hackers mailing list
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