This is intended as a discussion thread for the Ultimate Cart hardware - an SD-card based multicart for the Atari 8-bit, featuring an altera FPGA and 1 meg of SRAM.   If you want to ask me (or someone else) to build you one, you can ask in the pre-orders thread.   This is an open-source project and has its own github repository: https://github.com/robinhedwards/UltimateCart   The fpga firmware source will follow in the next few days, but for now there are PCB files, programming files for