Add one to the list of "people who should never pay for another beer in their lifetime":

In order to extract these programs from most of the DSPs, we had to decap the chips, scan them in with an electron microscope, and 'tweak' the processors to allow us to dump their protected program ROMs.

As you can imagine, this kind of work costs a substantial amount of money. Professional firms that do this can charge upwards of $100,000 per processor for this kind of work.

Thankfully, Lord Nightmare from the MAME/MESS project was in contact with a savant named Dr. Decapitator, with the necessary knowledge and hardware to make this possible. Even better, he was willing to do it just for the cost of the donor cartridges and supplies. This worked out to $250 per coprocessor.