http://www.0xbadc0de.be/wiki/ 2010-07-09T05:44:00+02:00 http://www.0xbadc0de.be/wiki/ http://www.0xbadc0de.be/wiki/lib/images/favicon.ico text/html 2008-01-09T19:52:56+02:00 http://www.0xbadc0de.be/wiki/mycpu:asm?rev=1199904776&do=diff Here is the specification of the bits from opcodes. * means “Can contain different values” x means “Don't care” 0 1 2 3 4 5 6 7 8 9 10 Description schema 1 * * * * * * * * * * Load/Store 1 1 0 Address (8 bits) Load A with content of Addr A <- [addr] 1 1 1 Address (8 bits) Load B with content of Addr B <- [addr] 1 0 0 Address (8 bits) Store Addr with content of A [addr] <- A 1 0 1 Address (8 bits) Store Addr with content of B [addr] <- B 0 0… text/html 2008-11-02T01:34:08+02:00 http://www.0xbadc0de.be/wiki/mycpu:mycpu?rev=1225586048&do=diff My own :) Introduction Not so long ago, I found a link on usenet talking about a CPU made with relays (look at <http://www.cs.pdx.edu/~harry/Relay/index.html>). I found the principle very cool, and now I want to do my own ! However, relays are very costy parts. They are heavy and juice hungry. So, why relays ? Because it's neat ! you can see your cpu working !