四路抢答器的设计与实现

在本次设计中，设计了一款软件，可以实现四个选手抢答问题的模式。包括有计时模块、计分模块、分频模块、消抖模块以及动态显示模块。模块中，有一部分是通过VHDL编程实现，有一部分是通过直接调用软件库中的逻辑器件进行组合，进而设计成一个大模块；最后，把这些所有的模块都进行正确的组合，得到正确的仿真结果，下载到FPGA开发板上，同样可以正确的实现（显示第一个抢答选手的号数以及当前各个选手的积分情况）

四路抢答器
7447.acf
7447.fit
7447.gdf
7447.hif
7447.jam
7447.jbc
7447.mmf
7447.pin
7447.pof
7447.rpt
7447.scf
7447.snf
7447.sym
bus_4.acf
bus_4.cnf
bus_4.fit
bus_4.hif
bus_4.jam
bus_4.jbc
bus_4.mmf
bus_4.ndb
bus_4.pin
bus_4.pof
bus_4.rpt
bus_4.snf
bus_4.sym
bus_4.tdf
clock(1).cnf
clock(10).cnf
clock(11).cnf
clock(12).cnf
clock(2).cnf
clock(3).cnf
clock(4).cnf
clock(5).cnf
clock(6).cnf
clock(7).cnf
clock(8).cnf
clock(9).cnf
clock.acf
clock.add
clock.cnf
clock.fit
clock.hif
clock.jam
clock.jbc
clock.mmf
clock.ndb
clock.pin
clock.pof
clock.rpt
clock.scf
clock.snf
clock.sym
clock.v
count_grade(1).cnf
count_grade.acf
count_grade.cnf
count_grade.fit
count_grade.gdf
count_grade.hif
count_grade.jam
count_grade.jbc
count_grade.mmf
count_grade.ndb
count_grade.pin
count_grade.pof
count_grade.rpt
count_grade.scf
count_grade.snf
count_grade.sym
count_time(1).cnf
count_time(2).cnf
count_time(3).cnf
count_time(4).cnf
count_time.acf
count_time.cnf
count_time.fit
count_time.gdf
count_time.hif
count_time.jam
count_time.jbc
count_time.mmf
count_time.ndb
count_time.pin
count_time.pof
count_time.rpt
count_time.scf
count_time.snf
count_time.sym
fenpin(1).cnf
fenpin.acf
fenpin.cnf
fenpin.fit
fenpin.gdf
fenpin.hif
fenpin.jam
fenpin.jbc
fenpin.mmf
fenpin.ndb
fenpin.pin
fenpin.pof
fenpin.rpt
fenpin.scf
fenpin.snf
fenpin.sym
fp(1).cnf
fp.acf
fp.cnf
fp.fit
fp.gdf
fp.hif
fp.jam
fp.jbc
fp.mmf
fp.ndb
fp.pin
fp.pof
fp.rpt
fp.scf
fp.snf
judge.acf
judge.cnf
judge.fit
judge.gdf
judge.hif
judge.jam
judge.jbc
judge.mmf
judge.ndb
judge.pin
judge.pof
judge.rpt
judge.scf
judge.snf
judge.sym
led_display.acf
led_display.cnf
led_display.fit
led_display.hif
led_display.jam
led_display.jbc
led_display.mmf
led_display.ndb
led_display.pin
led_display.pof
led_display.rpt
led_display.snf
led_display.sym
led_display.tdf
led_light.acf
led_light.cnf
led_light.fit
led_light.gdf
led_light.hif
led_light.jam
led_light.jbc
led_light.mmf
led_light.ndb
led_light.pin
led_light.pof
led_light.rpt
led_light.scf
led_light.snf
led_light.sym
LIB.DLS
qiangda.acf
qiangda.hif
qiangdamokuai.acf
qiangdamokuai.hif
qiangdamokuai.mmf
top(1).cnf
top(10).cnf
top(11).cnf
top(12).cnf
top(13).cnf
top(14).cnf
top(15).cnf
top(16).cnf
top(17).cnf
top(18).cnf
top(19).cnf
top(2).cnf
top(20).cnf
top(21).cnf
top(22).cnf
top(23).cnf
top(24).cnf
top(25).cnf
top(26).cnf
top(27).cnf
top(28).cnf
top(29).cnf
top(3).cnf
top(4).cnf
top(5).cnf
top(6).cnf
top(7).cnf
top(8).cnf
top(9).cnf
top.acf
top.cnf
top.fit
top.gdf
top.hif
top.jam
top.jbc
top.mmf
top.ndb
top.pin
top.pof
top.rpt
top.scf
top.snf
two_impulse.acf
two_impulse.hif
two_impulse.v
U3079140.DLS
U4087324.DLS
U5834037.DLS
xiaodou.acf
xiaodou.cnf
xiaodou.fit
xiaodou.gdf
xiaodou.hif
xiaodou.jam
xiaodou.jbc
xiaodou.mmf
xiaodou.ndb
xiaodou.pin
xiaodou.pof
xiaodou.rpt
xiaodou.scf
xiaodou.snf
xiaodou.sym
xiaodou_cheng.acf
xiaodou_cheng.cnf
xiaodou_cheng.fit
xiaodou_cheng.gdf
xiaodou_cheng.hif
xiaodou_cheng.jam
xiaodou_cheng.jbc
xiaodou_cheng.mmf
xiaodou_cheng.ndb
xiaodou_cheng.pin
xiaodou_cheng.pof
xiaodou_cheng.rpt
xiaodou_cheng.scf
xiaodou_cheng.snf
xiaodou_cheng.sym