Bill & Pookie wrote:
> Not sure what you mean by Preemptive

Preemptive means that the task manager switches tasks when it decides,
regardless of what the task might be doing at the time.  In a cooperative
system each task explicitly yields the processor so that other tasks can
run.  Preemptive multitasking is no possible on a PIC 16.  It is
theoretically possible on a PIC 18 and 30, but that doesn't make it a good
idea.  I have yet to come accross a microcontroller project suitable for a
PIC where cooperative multitasking wasn't good enough, assuming multitasking
was needed at all.  For the PIC 16 a main event loop architecture has worked
well over many projects.


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