I found this Wikipedia article helpful in explaining the roles of the DSPs in the games that used them: http://en.wikipedia.org/wiki/List_of_Super_NES_enhanceme

I found this Wikipedia article helpful in explaining the roles of the DSPs in the games that used them: http://en.wikipedia.org/wiki/List_of_Super_NES_enhancement_chips http://en.wikipedia.org/wiki/List_of_Super_NES_enhancement_c...