| 摘要 |
PURPOSE:To reproduce the sequence of interactions interactively through a direct and practical instruction which is a coordinate input by constituting the titled device so that its operation waits until a coordinate corresponding to any one of the selection areas of operation expressions at the branch destinations branched from the external is inputted, and after the inputting of the said coordinate, branching this inputted, and after the inputting of the said coordinate, branching this input to the modification instruction for the operation expression having a selection area corresponding to the inputted coordinate. CONSTITUTION:An operation expression and the initial display content of a response expression are displayed in a display device 11. The modification instructions for the operation expression and the display content of response expression stored in accordance with the sequence in a storage device 21 is read out from there, and the kind of the modification instruction is decided. In case the read-out modification instruction s a branch of the sequence, the input of a coordinate corresponding to any one of the selection expressions at the branch destinations of the said branch is waited for, and if it is inputted, the operation branches to the modification instruction for an operation expression having the selection area corresponding to said input, and the modification instruction is read out from the storage device 21 again. As a result, the sequence of interactions registered beforehand can be reproduced interactively by means of the direct and practical instruction which is the input of a coordinate to the selection area in an input device expressing the quasi-expression in its display graphically.
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