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1. URISCããã»ããµ-en.wikipedia.org/wiki/Urisc
2. BitBitJumpèšèªãµã€ã-mazonka.com/bbj/index.html
3. Logisim Logic Modeling Program- http: //ozark.hendrix.edu/~burch/logisim/
4. Logisimçšã®èªå®¶è£œURISCïŒORISCïŒããã»ããµ-narod.ru/disk/31367690001/oo.circ.html