BMW Motronic 1.1

Peter Shoebridge peter at aspenres.com
Fri Jan 10 17:02:16 GMT 1997


I'm also interested in the Motronic. Not from a business point of view just 
because I have one and am always interested in how these things work.That's 
why I'm a member of this list. Another chap on this list has been very 
helpful with location of tables etc.

Ok, so lets start with the processor instruction set. It's not standard 
8051 - I've got that far. Where can I find the instruction set of the 
processor? You gave us one "gift", the processor id 80c515. Thats a siemens 
or phillips chip I guess. I'll take a look on their sites. Is it's 
instruction set as elusive as the famous intel 8061 ins set?

I have a dump of the eprom. You eluded to the fact that there is code in 
the processor in ROM. Is that true? Presumably without the special 
equipment I stand little or no chance of getting a dump.

Ok, so one step at a time.....


Regards

Peter S.


----------
From: 	Land Shark
Sent: 	Thursday, January 09, 1997 6:45 PM
To: 	diy_efi at coulomb.eng.ohio-state.edu
Subject: 	re: BMW Motronic 1.1

At 08:51 1/10/97 est, you wrote:

>neither was any EEC-4, GM-Delco, Lucas, Mitsubishi or Nipondenso
>system, but we can all try if we want to.

 Agreed.. but STEP ONE is to disassemble the SOFTWARE, not just
 "find the maps"...

 I'll help anyone who wants to do it the RIGHT way!!

 (which is NOT the easy way!)

 Jim


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