nesdev.org

Hey, I think I screwed up! Is it possible to use a 28pin (512KB) eprom for a TLROM game, or do I absolutely need a 32 pin board?

Reading more, I realize I may run into an error with mirroring? According to NesDev Wiki (http://wiki.nesdev.com/w/index.php/Mirroring), to configure a cartridge board for horizontal mirroring, connect PPU A11 to CIRAM A10, and to configure a cartridge board for vertical mirroring, connect PPU A10 t...

Hey guys, just getting started with making repros. Unfortunately I was a bit hasty in getting my materials together and purchased 10 copies of NES Play Action Football, which is TLSROM and not TLROM. :/ Doing some research around these boards and elsewhere, it seems as though I can convert the board...