| 摘要 |
PURPOSE:To perform failure retrieval effectively, by providing a career information memory storing status information after the expansion of said information to a multiple, and applying the device to an elctronic computer system. CONSTITUTION:In extending the content of a status information register 2-1 to twice, an address counter 7 outputs an origin return signal, an output signal F of an FF circuit 9 goes to ''0'', and inversion F' of the output signal goes to ''1''. Thus, a mode signal B is switched from an AND circuit 11 to 11-2, and an input permission signal E is outputted to a career information memory 1-2 via an OR circuit 12-2 and an AND circuit 13-2 and the content of a register 5-2 is stored to the memory 1-2. Thus, the content of the status information register 2-1 is expanded twice with the memories 2-2 and 2-1 for storage. |
