Using MCUs to emulate ASICs like a sprite engine and a VGA chip is a cool idea. Really opens the door to a lot of possibilities. FPGAs are better of course, but

Using MCUs to emulate ASICs like a sprite engine and a VGA chip is a cool idea. Really opens the door to a lot of possibilities. FPGAs are better of course, but also are much harder to work with, and slower to develop for.