Here is an 8-bit adder i made using redstone. i used a map editor to create a flat area for me to work in and i used MineEdit to give me all the redstone and tools i needed, it would be rdiculous to get all that redstone yourself. used many many XOR gates, AND gates and some OR gates. comment if you wnt me to make a tutorial on logic gates and the adder with talking rather than just annotaions. Download link: (also contains save for 4 bit decoder) www.megaupload.com world 1 is the adder.
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