利用CUPL语言编写的12-4编码键盘
利用GAL器件实现编码,可以不用扫描键盘
大大节省了CPU时间-use of the language 12-4 coding keyboard use GAL coding, Scanning the keyboard can not save much CPU time
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002097s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001875s ]
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