/vr/ - Retro Games

apologies for shitty soldering but pic of adapter mod.
The adapter was connected wrong for MMC5 compatibility (just bridged /A13 and CE on either side) and I also mapped expansion audio onto it.

The two bridged pins on one end of the adapter are okay since both of those go to the unused expansion port on the bottom of a NES. I was too lazy to figure out which one my flash carts were using for audio.

The extra solder everywhere is because I was younger and inexperienced when I did this.

Also note that the space between the CE and A13 pins (blue and green wires) had to be cut with a knife.

After doing this, Castlevania 3 worked. Note that CV3 on the EDN8 worked without this mod because it's MMC5 implementation is absolute dog shit.

Real CV3 carts don't work without this fixed, though.

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Disregard the solder gore on some of those pins. I was bad at soldering back when I did the expansion audio part two years ago.