| 摘要 |
recording the number of floors detected by a position detector baffle board into an absolute floor register; checking a value of the absolute floor register to detect whether the value is the maximum number indicated by the number of the position detector, and if not, adding the value recorded in the absolute floor register and a value of 7 multiple register to store the value in a final decision register; if the maximum number, adding or subtracting the maximum number with/from the value of the 7 multiple register in accordance with drive direction to store the value in a final decision register; and if a flag is reset, in accordance with compared results of the values of the final and absolute floor registers, adding the values of the absolute floor register and the 7 multiple register and adding/subtracting the added values with/from the maximum number to store the result value into the final decision register, or adding the values of the absolute floor register and the 7 multiple register to store the result value into the final decision register.
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