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Making SEGA Genesis cartridges
Mike A:
--- Quote from: javeryh on March 15, 2022, 12:57:10 pm ---What is even going on here? Are you swapping out PCBs from the crappy sports games or something?
--- End quote ---
Some questions are better left unasked.
Malenko:
--- Quote from: javeryh on March 15, 2022, 12:57:10 pm ---What is even going on here? Are you swapping out PCBs from the crappy sports games or something?
--- End quote ---
Making the carts flashable. The universal ones PCBs don't fit in EA carts and its weird to see Skitchin running on a regular sized cart. Plus I think its cheaper to do what he's doing instead of buying the Chinese bootlegs carts.
javeryh:
--- Quote from: Malenko on March 16, 2022, 10:03:42 am ---
--- Quote from: javeryh on March 15, 2022, 12:57:10 pm ---What is even going on here? Are you swapping out PCBs from the crappy sports games or something?
--- End quote ---
Making the carts flashable. The universal ones PCBs don't fit in EA carts and its weird to see Skitchin running on a regular sized cart. Plus I think its cheaper to do what he's doing instead of buying the Chinese bootlegs carts.
--- End quote ---
So you can flash whatever game you want, print out a sticker and it will be as if you have that game?
That's super cool. Is it hard to do?
bobbyb13:
Took me until here to figure out wtf has been going on in this thread.
pbj:
Doesn't anyone read thread titles anymore? ::)
Anyway, yes, in theory Genesis cartridges are easy to convert. The only game with special chips on the board was Virtua Racing, which I already own. Otherwise it was just a ROM. Some of them got fancier with flash save game storage, high/low rom splitting across two cheaper chips, and others used battery backup but at the end of the day any game will run off a single 4MB EPROM.
In terms of cost, all in, I paid $0.87 each for these games. The EPROMs are about $1 each in bulk. I've got 20 coming on a slow boat from China.
EPROM burner with the proper adapter was $110. I got the Willem GQ 4X4 because it's actively supported and seems to just work on the youtube videos I've watched.
EPROM eraser was $30. Didn't think that was the device to mess around with rigging.
Desoldering iron I already had as seen previously.
Other options:
Everdrive. $30 for a clone or $180 for the good one. Already have one. I want to touch cartridges.
Chinese flash carts. Already have a few. They need a special flasher, which I also already have. They've about $3.50 for a loose PCB, $6 for one in a case, and $10 for one in a case with battery saving ability. The battery saving ones only support 2 MB games, so Phantasy Star 4 and a few others are out. The edges of the connector on these isn't beveled and I guess the chips run at the "wrong" voltage or whatever but they're fine.
Cheap bootlegs from Thailand. $5. Play fine. Not beveled. Look cheap.
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