> The raiden II chips are mostly custom toshiba mask gate arrays (based on their part > numbers); I don't envy the job of untanging them and figuring out what they do.
I have to agree with H*z* here - decapping the Raiden II chips is arguably the stupidest idea this side of a flying machine filled with hydrogen. Applied brainpower is going to get those games farther, not tracing out gates under a microscope.