According to a processing apparatus with a hierarchical structure, a machine instruction has a hierarchical structure of a task level operation code, a control structure level operation code, an arithmetic level operation code and a low order level operation code, and accordingly an operation object...http://www.google.fr/patents/US5111388?utm_source=gb-gplus-shareBrevet US5111388 - Processing apparatus with functional hierarchical structure using corresponding hierarchical machine instruction fields
Processing apparatus with functional hierarchical structure using ...
