On 06/16/2016 12:53 PM, Peter Hiscocks via talk wrote: > The Commodore PET and 64 had a 60Hz real-time-interrupt that did a bunch > of housekeeping. You could patch your own routines into it, which was > really handy. > > After a particularly nasty bug, that's where I learned about the > importance of semaphores in controlling access to shared resources ;)
You may recall the Commodore CBMs used in the digital logics lab at Ryerson. I vaguely recall using that RTC in some labs. --- Talk Mailing List talk@gtalug.org https://gtalug.org/mailman/listinfo/talk
