单片机实验板自检程序，
汇编语言编写，可检测实验板上所有功能-Self-test procedures for single-chip board, assembly language development, can detect all the features of the experimental board
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001365s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.092335s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001268s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001239s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003599s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001048s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003246s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014784s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001315s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 306342 [ RunTime:0.001221s ]
