| 摘要 |
A micro instruction is composed of an arithmetic control section for controlling arithmetic operations, a sequence control section for controlling the sequence of the execution of micro-programs and a constant selecting section for specifying the use of the sequence control section for the generation of an arithmetic constant. When the generation of an arithmetic constant is being selected, the sequence of the execution of micro-programs is uniquely determined on the basis of the current address by using the sequence control section as an arithmetic constant, irrespective of the arithmetic control section.
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