Tamas Rudnai wrote:
> Also with the new stack operation it is
> possible to write a real pre-emptive RTOS on it, so I like it.

And you actually have a real application where this makes any sense?  A
preemptive RTOS on a tiny system sounds downright silly.  Note that this is
possible today on 18F but is very very rarely used (I never have and don't
know of any case personally).  I've used a simple cooperative task switcher
a few times on a 18F, but never had a problem where a preemptive task
switcher would have been a good idea.

Chances are that if the application is complicated enough where a preemptive
RTOS is actually a good solution, the small cost difference between a 18F
and a 16F is going to be irrelevant.  In fact, you'd probably use a dsPIC or
PIC32 in that case anyway.

So the point to a preemptive RTOS on a PIC 16 is...?


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