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I don't mean to derail the thread - my question is slightly orthogonal...You mentioned the ROM in the NSX is almost full from the factory (whereas on the Legend there was some extra space to add more code). However, if you've dumped the ROM and understood the circuit and the layout of the address space (RAM, NVRAM, etc), what are the obstacles to modeling the NSX ECU entirely in software?In other words, if all the physical inputs and outputs that the software expects were connected to a powerful PC with high resolution A/D and D/A converters, is the CPU used by the NSX ECU sufficiently well understood that an emulator could execute a minimally modified copy of the extracted machine code and run a real engine?This setup would be ideal for tweaking and tuning, with the idea that the final setup could be ported to a powerful modern embedded platform (i.e http://www.gumstix.com) and then the RAM and ROM limitations would no longer be a concern :smile:
I don't mean to derail the thread - my question is slightly orthogonal...
You mentioned the ROM in the NSX is almost full from the factory (whereas on the Legend there was some extra space to add more code). However, if you've dumped the ROM and understood the circuit and the layout of the address space (RAM, NVRAM, etc), what are the obstacles to modeling the NSX ECU entirely in software?
In other words, if all the physical inputs and outputs that the software expects were connected to a powerful PC with high resolution A/D and D/A converters, is the CPU used by the NSX ECU sufficiently well understood that an emulator could execute a minimally modified copy of the extracted machine code and run a real engine?
This setup would be ideal for tweaking and tuning, with the idea that the final setup could be ported to a powerful modern embedded platform (i.e http://www.gumstix.com) and then the RAM and ROM limitations would no longer be a concern :smile:
