| 摘要 |
A microprogram controlled data processing system includes an instruction controller receiving a given instruction code for generating a micro address, a micro ROM receiving the micro address for generating a set of micro codes corresponding to the given instruction code, a micro decoder receiving the set of micro codes for generating a predetermined series of microorders, and a runaway detecting circuit for monitoring the order of execution of the series of microorders and generating an abnormal signal on the basis of the result of the monitoring.
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