| 摘要 |
PURPOSE:To quickly and surely execute the retry processing by recording and holding the control information in accordance with its execution sequence, collecting and blocking the control information to be executed by tracking back, when an error is detected on the way of a control processing of the control information, returning to the head of this block and executing to retry the control information. CONSTITUTION:In an electronic calculator 7 of this invention, a control processing recording register 6 is provided, and an address for storing the control information outputted from a processor 1 and the control information are recorded and held in accordance with the execution sequence. In such a state, when an error is detected on the way of a control processing of the control information, the control information to be executed is collected and blocked by tracing back at the time of retrying the control information, and by returning to the head of this block, it is executed to retry the control information. In such a way, the retry can be executed in a short time and surely without necessitating the retry from a rise operation of the electronic calculator 7. |
