| 摘要 |
PURPOSE:To allow one card to execute a coordinate input and a key input by installing a pointing means inputting coordinate information on one surface and a key input means inputting desired information on the other surface. CONSTITUTION:The pointing device 6 inputting coordinate information and the key switch 5 inputting desired information are installed on the one and other surfaces of a control card, respectively. The pointing device 6 and the key switch 5 are connected to a CPU 1 through interface circuits 8c and 8b. In accordance with a control sequence stored in a ROM 2, the CPU 1 generally controls each part.
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