On the topic of ITS, there's a pretty interesting paper on its PCLSRing feature, PCLSRing: Keeping Process State Modular by Alan Bawden [1] I've read this a fe

On the topic of ITS, there's a pretty interesting paper on its PCLSRing feature, PCLSRing: Keeping Process State Modular by Alan Bawden [1] I've read this a few times over the years, and always find it a fascinating alternative approach to handling interrupts. [1] http://fare.tunes.org/tmp/emergent/pclsr.htm http://fare.tunes.org/tmp/emergent/pclsr.htm