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What you are saying sounds great on paper, but it's implementation would be far more complicated than working around the stock ECU's limitations. Sure, the software modeling is understood to the point where you could model something like that in software. But it would be tremendously difficult considering it's in a rare, obsolete, processor specific assembly language and not in any port-able high level language. It's basically 20,000 lines (408 subroutines) of IF-THEN statements, do you feel like entering them manually in a higher level language to run on a PC? Then you have the hardware issue - sure the 0-5v sensors are easy to duplicate with an A/D converter but what about the crank sensor inputs? How about PWM outputs to the EGR valve? Fuel Injector drivers? Forget it!I say, it's much better to work around the stock ECU and it's limitations. The limitations pose challenges that force you to be very efficient. With the NVSRAM installed the free space limitations can be worked around and is no longer an issue. If you were to get as far as I am in the reverse engineering of the ECU you would have a much greater respect of both the software and military grade hardware that is already existent.-Matt
What you are saying sounds great on paper, but it's implementation would be far more complicated than working around the stock ECU's limitations. Sure, the software modeling is understood to the point where you could model something like that in software. But it would be tremendously difficult considering it's in a rare, obsolete, processor specific assembly language and not in any port-able high level language. It's basically 20,000 lines (408 subroutines) of IF-THEN statements, do you feel like entering them manually in a higher level language to run on a PC? Then you have the hardware issue - sure the 0-5v sensors are easy to duplicate with an A/D converter but what about the crank sensor inputs? How about PWM outputs to the EGR valve? Fuel Injector drivers? Forget it!
I say, it's much better to work around the stock ECU and it's limitations. The limitations pose challenges that force you to be very efficient. With the NVSRAM installed the free space limitations can be worked around and is no longer an issue. If you were to get as far as I am in the reverse engineering of the ECU you would have a much greater respect of both the software and military grade hardware that is already existent.
-Matt
