Circular_Buffer，流水线型多位缓存器，verilog语言描述。通过modelsim 6。0仿真，quartus 综合通过。-Circular_Buffer, type a number of buffer lines, verilog language description. Through modelsim 6. 0 simulation, quartus integrated through.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001182s ]
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:0.088873s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001056s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001419s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001227s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003674s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000983s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004330s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017932s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002493s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 191659 [ RunTime:0.019929s ]
