Programmable Game Boy cartridge walk through

We looked at [Gerry's] PLCC based programmable Game Boy cartridge back in May and mentioned that he was working on a how-to video. He did quite a bit more than that. He’s made a PDF version of the instructions but went into deep detail with a collection of four videos on his YouTube channel. We’ve embedded all four after the break. They include an introduction and background about the cartridges, desoldering the ROM chip, preparing sockets and wire, and making the solder connections. Whether you’re interested in this particular hack or not, seeing [Gerry's] soldering practices make the videos worth watching.

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PLCC replaces Game Boy cartridge ROM

[Gerry] sent us pictures and a few details on replacing the Game Boy cartridge chip with a flash chip. For the prototype he used a PLCC and a little wire porn to interface a flash chip with the cartridge’s PCB while still having access to it for programming. In retrospect he plans to use a 32-pin ZIF socket on the next version to make things easier. It does work and he’s had some success loading his own code and getting it to run. There are other cartridge hacks that let you load code onto a cartridge but if you have the knowhow and the parts this makes for a fun weekend project. We’ve posted the rest of the photos that [Gerry] sent us after the break.

Update: Gerry is working on a video and a pinout. We’ll post info once we get a hold of it.

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