Upgrading the Commodore PET for “Attack of the Petscii Robots”

For Christmas I got a surprise: a 1979 Commodore PET 3016. This is the predecessor of the VIC20 and C64 and comes stock with 16 KiB of RAM. Last year Dave Murray, better known as the 8bitguy, announced a brand new game for the PET, called: Attack of the Petscii Robots. So this was a lucky coincidence! I ordered a boxed copy of the game and also ordered a PCB and parts to build a 32 KiB RAM expansion for the PET. I showed the soldering and assembly of the expansion in a previous livestream. However we still need to install and test drive both the PET and the game! So that’s what we’ll do today.

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