Quote Originally Posted by kur4o View Post
I did it on 94-95 code but I am sure they use the same code. On 96-97 there might be slight difference, but when you get there I will give you a good start.
Chip enable must be set high with vpp to enable most of the functions.
Hi Kur4o,

I am 95% through with the TSide schematic. This was a very difficult task... There are just a few chips that I am unable to identify. Two chips from Philips Semi. I believe one is some sort of amplifier and the other may be sample/hold/comparator. To finish work, I need to hook up a sound source and try to characterize the knock filter/ amp/ comparator. All this while simulating a running engine. This will take a while and I need a break SO...

I re-wrote my disassembler and it is ready to work through your code. It will be interesting to see the GM code for programming
-Tom