Thanks for clarifying this...An Atom does not need a 6522 for its disc drive. IC4 (DP8304) is more important. The BBC MOS ROM needs the 6522 for the timer.

Statistics: Posted by Multiwizard — Mon May 19, 2025 10:41 pm
Thanks for clarifying this...An Atom does not need a 6522 for its disc drive. IC4 (DP8304) is more important. The BBC MOS ROM needs the 6522 for the timer.
Statistics: Posted by Multiwizard — Mon May 19, 2025 10:41 pm