Weekly Classic Computer Trivia Question (20150112)

Vincent Slyngstad vrs at msn.com
Mon Jan 12 12:48:50 CST 2015

From: Johnny Billquist: Monday, January 12, 2015 10:42 AM
>>> And of course, you also have things like OS/8, which runs with
>>> interrupts off at all times, to which the answer to the original
>>> question would be "OS/8". :-)
>> Exactly :-)
> But anything running constantly with the interrupts off should not be in 
> the "competition". As it's hardly called latency when you just ignore 
> the signal.

What I've seen is systems that collect data with interrupts on, but do 
have to turn interrupts off when calling OS/8 services, or OS/8 will crash.

AFAIK, all OS/8 services and drivers require this, even things like the 
RK05 driver.


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