Discuss hardware-related topics, such as development cartridges, CopyNES, PowerPak, EPROMs, or whatever.
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So I want to build an MMC3 dev cart. My understanding is that I need to get a licensed MMC3 game, desolder the ROM chips, and replace them with EPROMs. Now I'm thinking I should get either a TKROM or TSROM board because I should be able to support any MMC3 game that doesn't use 4-screen mirroring or VRAM then. Is that right? Is there something else I should consider when deciding which game to build my cart out of?