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Old 01-30-2014   #199
scottfab
 
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Join Date: Jan 2009
Location: Portland Oregon metro area (Washington side)
Posts: 3,193
Default Re: 1990 Throttle hesistation

Quote:
Originally Posted by tpepmeie View Post
That's actually not quite true. The EPROM "chip" contains both the operating instructions/program code as well as the lookup tables. Out of a 32kb EPROM memory, only a small portion of that is the data tables.

...snip.....
Well obviously I've been misinformed by a fairly knowledgeable tuner. But then it's all based on threads I remember form the 90s. Thing is I may have been straitened out on this before but forgot AGAIN.

Having OS (not just bios) code available creates an opportunity to not only fully comment out the code but to share openly a control flow diagram.
As for "worth it" or not to make changes? That is in the mind of the doer. As hobbies go, "worth it" has a back seat to interest.
If GM wants to claim "proprietary" on the code. Let them.
I seriously doubt that would happen.
Yes, needs separate thread
Or dust off an old one.
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Vett owner since 1979._It's about the car and the people
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