Expanding the PRG-ROM for Mapper 66

Post by **lidnariq** » Wed Apr 20, 2011 5:52 pm

qbradq wrote:The random game cart :)

A few years ago I took apart a 2600 pirate multicart. That's how you chose the game — Vcc was hooked to the clock input of a counter chip, and that counter IC was powered through a diode and capacitor.

clueless · Post by **clueless** » Thu Apr 21, 2011 10:12 pm

lidnariq wrote:
qbradq wrote:The random game cart
A few years ago I took apart a 2600 pirate multicart. That's how you chose the game — Vcc was hooked to the clock input of a counter chip, and that counter IC was powered through a diode and capacitor.

That is hilarious. And nifty.

tokumaru · Post by **tokumaru** » Fri Apr 22, 2011 4:50 pm

I clearly remember having several 2600 multi-carts like that (cycle the power to move on to the next game), but until this day I had no idea how the hell that worked.

qbradq · Post by **qbradq** » Sat Apr 23, 2011 4:07 am

I was just reviewing the mapper docs and found out that Mapper 60 is a four-in-one multi cart that toggles between games with a soft reset