微型计算机与接口原理实验全部代码合集；
包含8259、8237、8251、8255等功能实现代码。-Micro-computer interface, all the code Collection principle experiment includes features such as 8259,8237,8251,8255 implementation code.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002036s ]
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:0.087081s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002285s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001917s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002208s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003691s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001990s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003233s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014357s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002417s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 251761 [ RunTime:0.022799s ]
