Stumped

[Mike Pitts]

>>What does it look like the irq is doing?  I cannot think of too
>>many things that a car computer would be doing with an IRQ,
>>knock input maybe, car on, off, maybe, and probably watchdog.

Roger,

It does alot.  Interesting that you mentioned knock control.  
The first thing the IRQ code does is set the TOC1 to occur 
1.67mSec after the start of the IRQ.  And the TOC1 code appears 
to be only related to knock stuff.

Thanks for the lead....

-Mike