DIY FC Cartridge Overview Famicom homebrew. files FC_CARTV2.COMP : Cartridge's PCB CAD data(for CADLUS X). FC_WR.COMP : Flash memory writer's PCB CAD data(for CADLUS X). wr.prg : Writing software(for Pi STARTER). images movie https://www.youtube.com/watch?v=uX7bmrvEYVM example program https://github.com/nicotakuya/fc_colortest