| 摘要 |
PURPOSE:To collect a bit of interrupting information at the time of generation of an interruption factor, even when an interruption processing is inhibited, by providing an interrupting information storing means for storing the interrupting information, and an interrupting information storage control means for storing the interrupting information in the interrupting information storing means in response to the generation of the interruption factor. CONSTITUTION:The titled circuit is provided with an interrupting information store control part 1 for executing the detection of an interruption factor, a store and the storage control of interrupting information, an interrupting information storing part 2 for storing the interrupting information of a CC (central processing unit) status, etc., a sequencer 3 for controlling an execution of a micro-instruction, and a micro- memory part (mu-memory part) 4 for storing a microprogram. Also, an executing circuit 5 for decoding and executing the micro-instruction is contained, and an interruption control circuit is constituted of the interrupting information storage control part 1 and the interrupting information storing part 2, and a program executing part is constituted of the sequencer 3 and the micro-memory part 4. In such a way, even when the interruption factor is generated in the case of inhibiting an interruption processing, the interruption information can be stored without exerting an influence on the processing of the program executing part. |
