| 摘要 |
PURPOSE:To avoid undesirable waiting of the second interruption low in the interruption priority, by performing the second priority with priority other than the head data corresponding to the first data group made by the first interruption request. CONSTITUTION:In the program control system excluding undesirable waiting state of the keyboard input data processing at lower interruption priority, corresponding to the first data group by the read-in from the magnetic strip such as document, the first interruption request by the read start having high priority is reserved and the second interruption request by the keyboard lower in the priority corresponding to the second data group with the keyboard. Further, the data processing other than the head data corresponding to the first data group made by the first interruption request is made for the second interruption with priority, allowing to avoid undesirable waiting state for the second interruption lower in the interruption priority. |
