What system is the NEC chip in? Another 4-bitter to add to the pile!

I also got a Coleco Total Control 4 with the Football cart, but it'll be the end of the month before I've got the time to transcribe it.

I read here that Garry Kitchen (who designed Bank Shot) took the prototype of Wildfire from the Doyles (who designed Merlin, Code Name: Sector and Stop Thief) and turned it into a product.