(商务智能)数字逻辑电路课程设计模加法器VHDL实现(含完整

1、（商务智能）数字逻辑电路 课程设计模加法器VHDL 实现（含完整20XX年XX月多年的企业咨询豉问经验.经过实战验证可以落地机行的卓越管理方案，值得您下载拥有电子科技大学UNIVERSITYOFELECTRONICSCIENCEANDTECHNOLOGYOFCHINA数字逻辑设计实验题目：4bit模9加法器学生姓名：指导老师：一、实验内容设计一个4bit模9加法器。输入为两个4bit的二进制数，输出为两数相加后模9的结果。其数学表达式为：y=(x1+x2)mod9 。二、实验要求1、功能性要求：能够实现4bit无符号数的模9加法运算，即输入两个4比特数据时能够正确输 出其相加并模9运算结果。2

2、、算法要求：模加法器有多种算法，可采用任意算法进行设计。3、设计性要求：采用全加器、半加器和基本门结构化描述。能够编写TestBench文件，并利用Modelsim进行仿真。在Modelsim仿真正确的基础上，能够生成bit文件并上板验证其正确性。4、基本上板要求：在上板实验时，输入的两个4bit 数采用拨码开关输入，输出采用 LED 灯进行显示。三、设计思路1 、整体思路：为了实现 4bit 无符号数的模 9 加法运算， 可以先将两个4bit 的加数 a 和 b先分别模 9 ，相加之后再模 9 得到最终结果。2 、模 9 器：先找出读入的 5bit 数与模 9 后的 4bit 数之间的关系，

3、画出卡诺图，再根据卡诺图得出其相应的逻辑表达式即可。设读入的 5bit 数为 carry 、 a、 b 、 c、 d ，模9后得到的4bit数为w、x、y、z。则化简后得到的逻辑表达式分别为：w =carry ab c d ，x=carry bc+carry a b+carry bd+carrya b c d ，y=carrya c+carrycd+carry abc d +carryab c d ，z=carrya d+carryacd +carry abd +carryab c d 。3 、全加器：全加器可以实现两个1bit 数 a 、 b 和进位输入cin 的相加， 其真值表如下所示：这

4、里全加器由半加器和或门构成，其原理图如下：4、半加器：半加器是全加器的基本组成单元，可以实现两个1bit 数 a 和 b 的相加，并将进位输出，其真值表如下：半加器由一个异或门和一个与门构成，其原理图如下所示：5 、数码管显示：单个数码管一共有7 个端（不含小数点） ，用来表示组成一个数字的 7 个部分，故只要找到这7 个段和模 9 后的 4bit 数间的对应关系，将其画出卡诺图并化简成逻辑表达式即可。 设得到的 4bit 数为 a、 b、c、d ，则得到的 7 段 disadisg的表达式为：disa=b+d+c a +ac;disb=c +d+b a +ab;disc=a+b +c+d;d

5、isd=ba +c a +c b+cb a;dise=d+ba +c a ;disf=d+b a +ca +cb ;disg=d+ba +c b+ca +cb ;四、程序设计1 、顶层：entitymainisPort（a1:inSTD_LOGIC;a2:inSTD_LOGIC;a3:inSTD_LOGIC;a4:inSTD_LOGIC;b1:inSTD_LOGIC;b2:inSTD_LOGIC;b3:inSTD_LOGIC;b4:inSTD_LOGIC;ans1:outSTD_LOGIC;ans2:outSTD_LOGIC;ans3:outSTD_LOGIC;ans4:outSTD_LOGI

6、C;disA:outSTD_LOGIC;disB:outSTD_LOGIC;disC:outSTD_LOGIC;disD:outSTD_LOGIC;disE:outSTD_LOGIC;disF:outSTD_LOGIC;disG:outSTD_LOGIC);endmain;architectureBehavioralofmainisCOMPONENTfulladderPORT(a:INstd_logic;b:INstd_logic;ci:INstd_logic;s:OUTstd_logic;co:OUTstd_logic );ENDCOMPONENT;COMPONENTmod9PORT(car

7、ry:INstd_logic;a:INstd_logic;b:INstd_logic;c:INstd_logic;d:INstd_logic;w:OUTstd_logic;x:OUTstd_logic;y:OUTstd_logic;z:OUTstd_logic);ENDCOMPONENT;COMPONENTdisPORT(a:INstd_logic;b:INstd_logic;c:INstd_logic;d:INstd_logic;disa:OUTstd_logic;disb:OUTstd_logic;disc:OUTstd_logic;disd:OUTstd_logic;dise:OUTst

8、d_logic;disf:OUTstd_logic;disg:OUTstd_logic);ENDCOMPONENT;signalc1,c2,c3,c4,s1,s2,s3,s4,ans11,ans22,ans33,ans44,a11,a22,a33,a44,b11,b22,b33, b44,temp:std_logic;begin-mod9_a-temp<='0'Inst_mod9_a:mod9PORTMAP(carry=>temp,-carry是最高位a=>a4,b=>a3,c=>a2,d=>a1,-d是最低位w=>a44,-w是最高位

9、x=>a33,y=>a22, z=>a11-z 是最低位）；-mod9_b-Inst_mod9_b:mod9PORTMAP（carry=>temp,-carry是最高位a=>b4,b=>b3,c=>b2,d=>b1,-d是最低位w=>b44,-w是最高位x=>b33,y=>b22,z=>b11-z 是最低位）；-add-Inst_fulladder_add1:fulladderPORTMAP（a=>a11,b=>b11,ci=>temp,s=>s1,co=>c1);Inst_fulladder

10、_add2:fulladderPORTMAP(a=>a22,b=>b22,ci=>c1,s=>s2,co=>c2);Inst_fulladder_add3:fulladderPORTMAP(a=>a33,b=>b33,ci=>c2,s=>s3,co=>c3);Inst_fulladder_add4:fulladderPORTMAP(a=>a44,b=>b44,ci=>c3,s=>s4,co=>c4);Inst_mod9_ans:mod9PORTMAP（carry=>c4,-carry是最高位，对应最

11、后一个进位c4a=>s4,b=>s3,c=>s2,d=>s1,-d是最低位，对应s1w=>ans44,-w是最高位，对应ans4x=>ans33,y=>ans22,z=>ans11-z是最低位，对应ans1）;-not-ans1<=notans11;ans2<=notans22;ans3<=notans33;ans4<=notans44;-dis-Inst_dis:disPORTMAP（a=>ans11,- 最低位 （读入取反之前的 ans）b=>ans22, c=>ans33,d=>ans44,-

12、 最高位disa=>disA,disb=>disB,disc=>disC,disd=>disD,dise=>disE,disf=>disF, disg=>disG );endBehavioral;2 、模 9 器：entitymod9isPort(carry:inSTD_LOGIC;a:inSTD_LOGIC;b:inSTD_LOGIC;c:inSTD_LOGIC;d:inSTD_LOGIC;w:outSTD_LOGIC;x:outSTD_LOGIC;y:outSTD_LOGIC;z:outSTD_LOGIC);endmod9;architecture

13、Behavioralofmod9issignalnota,notb,notc,notd,notcarry:std_logic;Begin-not-nota<=nota;notb<=notb;notc<=notc;notd<=notd;notcarry<=notcarry;-mod9-w<=aandnotbandnotcandnotdandnotcarry;x<=(bandc)or(bandnota)or(bandd);y<=(notaandc)or(candd)or(aandbandnotcandnotd);z<=(notaandd)or(

14、aandcandnotd)or(aandbandnotd);endBehavioral;3 、全加器：entityfulladderisPort(a:inSTD_LOGIC;b:inSTD_LOGIC;ci:inSTD_LOGIC;s:outSTD_LOGIC;co:outSTD_LOGIC);endfulladder;architectureBehavioraloffulladderisCOMPONENThalfadderPORT(a:INstd_logic;b:INstd_logic;s:OUTstd_logic;c:OUTstd_logic);ENDCOMPONENT;COMPONENT

15、or2iPORT(i1:INstd_logic;i2:INstd_logic;o:OUTstd_logic);ENDCOMPONENT;signals1,c1,c2:std_logic;beginInst_halfadder_sum1:halfadderPORTMAP(a=>a, b=>b,s=>s1, c=>c1);Inst_halfadder_sum2:halfadderPORTMAP(a=>ci,b=>s1,s=>s,c=>c2);Inst_or2i_co:or2iPORTMAP(i1=>c1,i2=>c2,o=>co);

16、endBehavioral;4、半加器：entityhalfadderisPort(a:inSTD_LOGIC;b:inSTD_LOGIC;s:outSTD_LOGIC;c:outSTD_LOGIC);endhalfadder;architectureBehavioralofhalfadderisCOMPONENTnotiPORT(i:INstd_logic;o:OUTstd_logic);ENDCOMPONENT;COMPONENTand2iPORT(i1:INstd_logic;i2:INstd_logic;o:OUTstd_logic);ENDCOMPONENT;COMPONENTor2

17、iPORT(i1:INstd_logic;i2:INstd_logic;o:OUTstd_logic);ENDCOMPONENT;signalnota,notb,s1,s2:std_logic;begin-not-Inst_noti_nota:notiPORTMAP(i=>a,o=>nota);Inst_noti_notb:notiPORTMAP(i=>b,o=>notb);-s-Inst_and2i_s1:and2iPORTMAP(i1=>nota,i2=>b,o=>s1);Inst_and2i_s2:and2iPORTMAP(i1=>a,i2

18、=>notb,o=>s2);Inst_or2i_s:or2iPORTMAP(i1=>s1, i2=>s2,o=>s);-c-Inst_and2i_c:and2iPORTMAP(i1=>a,i2=>b,o=>c);endBehavioral;5 、数码管显示：entitydisisPort(a:inSTD_LOGIC;b:inSTD_LOGIC;c:inSTD_LOGIC;d:inSTD_LOGIC;disa:outSTD_LOGIC;disb:outSTD_LOGIC;disc:outSTD_LOGIC;disd:outSTD_LOGIC;dis

19、e:outSTD_LOGIC;disf:outSTD_LOGIC;disg:outSTD_LOGIC);enddis;architectureBehavioralofdisissignalnota,notb,notc,notd,disaa,disbb,discc,disdd,disee,disff,disgg:std_logic;begin- -not-nota<=nota;notb<=notb;notc<=notc;notd<=notd;- -dis-disaa<=bordor(notcandnota)or(canda);disbb<=notcordor(

20、notbandnota)or(banda);discc<=aornotborcord;disdd<=(bandnota)or(notcandnota)or(notcandb)or(candnotbanda);disee<=dor(bandnota)or(notcandnota);disff<=dor(notbandnota)or(candnota)or(candnotb);disgg<=dor(bandnota)or(notcandb)or(candnota)or(candnotb);- -not-disa<=notdisaa;disb<=notdis

21、bb;b1:INstd_logic;disd<=notdisdd;dise<=notdisee;disf<=notdisff;disg<=notdisgg;endBehavioral;五、仿真与硬件调试1 、仿真：( 1)顶层仿真1.仿真文件：LIBRARYieee;USEieee.std_logic_1164.ALL;ENTITYtest2ISENDtest2;ARCHITECTUREbehaviorOFtest2IS-ComponentDeclarationfortheUnitUnderTest(UUT)COMPONENTmainPORT(a1:INstd_logi

22、c;a2:INstd_logic;a3:INstd_logic;a4:INstd_logic;b2:INstd_logic;b3:INstd_logic;b4:INstd_logic;ans1:OUTstd_logic;ans2:OUTstd_logic;ans3:OUTstd_logic;ans4:OUTstd_logic;disA:OUTstd_logic;disB:OUTstd_logic;disC:OUTstd_logic;disD:OUTstd_logic;disE:OUTstd_logic;disF:OUTstd_logic;disG:OUTstd_logic);ENDCOMPON

23、ENT;-Inputssignala1:std_logic:='0'signala2:std_logic:='0'signala3:std_logic:='0'signala4:std_logic:='0'signalb1:std_logic:='0'signalb2:std_logic:='0'signalb3:std_logic:='0'signalb4:std_logic:='0'-Outputssignalans1:std_logic;signalans2:s

24、td_logic;signalans3:std_logic;signalans4:std_logic;signaldisA:std_logic;signaldisB:std_logic;signaldisC:std_logic;signaldisD:std_logic;signaldisE:std_logic;signaldisF:std_logic;signaldisG:std_logic;-Noclocksdetectedinportlist.Replace<clock>belowwith-appropriateportnameBEGIN-InstantiatetheUnitU

25、nderTest(UUT)uut:mainPORTMAP( a1=>a1,a2=>a2, a3=>a3,a4=>a4, b1=>b1, b2=>b2, b3=>b3, b4=>b4, ans1=>ans1,ans2=>ans2, ans3=>ans3, ans4=>ans4, disA=>disA, disB=>disB, disC=>disC, disD=>disD, disE=>disE, disF=>disF, disG=>disG ）；-Stimulusprocess st

26、im_proc: process beginb4<='0'b3<='1 'b2<='1 'b1<='1'b4<='0'b3<='0'b2<='0'b1<='0'waitforlOOns;a4<='0'a3<='0'a2<='0'a1<='0'b4<='0'b3<='0'b2<='

27、;0'b1 <='1'waitforlOOns;a4<='0'a3<='0'a2<='0'a1<='0'b4<='0'b3<='0'b2<='1 'b1 <='O'waitforlOOns;a4<='0'a3<='0'a2<='0'a1<='0'b4<='0'b3<='

28、0'b2<='1 'b1<='1'waitforlOOns;a4<='0'a3<='0'a2<='0'a1<='0'b4<='0'b3<='1 'b2<='0'b1 <='O'waitforlOOns;a4<='0'a3<='0'a2<='0'a1<='0'b4<='0

29、'b3<='1 'b2<='0'b1 <='1'waitforlOOns;a4<='0'a3<='0'a2<='0'a1<='0'b4<='0'b3<='1 'b2<='1 'b1 <='O'waitforlOOns;waitforWOns;a4<='0'a3<='0'a2<='0'

30、a1<='0'b4<='1 'b3<='0'b2<='0'b1 <='0'waitforlOOns;a4<='0'a3<='0'a2<='0'a1<='0'b4<='1 'b3<='0'b2<='0'b1 <='1'waitforlOOns;a4<='0'a3<='0'

31、a2<='0'a1<='0'b4<='1 'b3<='0'b2<='1 'b1 <='0'waitforlOOns;a4<='0'a3<='0'a2<='0'a1<='0'b4<='1 'b3<='0'b2<='1 'b1<='1waitforlOOns;a4<='0'a3&l

32、t;='0'a2<='0'a1<='0'b4<='1 'b3<='1 'b2<='0'b1 <='0'waitforlOOns;a4<='0'a3<='0'a2<='0'a1<='0'b4<='1 'b3<='1 'b2<='0'b1 <='1'waitforlOOns;a4

33、<='0'a3<='0'a2<='0'a1<='0'b4<='1 'b3<='1 'b2<='1 'b1 <='0'waitforlOOns;a4<='0'a3<='0'a2<='0'a1<='0'b4<='1,;b3<=,1,;b2<=,1,;b1 <='1'waitforlOOns;

34、a4<='0'a3<='0'a2<='0'a1 <='1b4<='0'b3<='0'b2<='0'b1<='0'waitforlOOns;a4<='0'a3<='0'a2<='0'a1 <='1b4<='0'b3<='0'b2<='0'b1 <='1'waitfo

35、rlOOns;a4<='0'a3<='0'a2<='0'a1 <='1b4<='0'b3<='0'b2<='1 'b1 <='O'waitforlOOns;a4<='0'a3<='0'a2<='0'a1 <='1b4<='0'b3<='0'b2<='1 'b1<='1&#

36、39;waitforlOOns;a4<='0'a3<='0'a2<='0'a1 <='1b4<='0'b3<='1 'b2<='0'b1 <='O'waitforlOOns;a4<='0'a3<='0'a2<='0'a1 <='1b4<='0'b3<='1 'b2<='0'b1 <

37、;='1'waitforlOOns;a4<='0'a3<='0'a2<='0'a1 <='1 b4<='0'b3<='1 'b2<='1 'b1 <='0'waitforlOOns;a4<='0'a3<='0'a2<='0'a1 <='1 b4<='0'b3<='1 'b2<='

38、;1 'b1 <='1 waitforlOOns;a4<='0'a3<='0'a2<='0'a1 <='1 b4<='1 'b3<='0'b2<='0'b1 <='O' waitforlOOns;a4<='0'a3<='0'a2<='0'a1 <='1 b4<='1 'b3<='0'b

39、2<='0'b1 <='1' waitforlOOns;a4<='0'a3<='0'a2<='0'a1 <='1 b4<='1 'b3<='0'b2<='1 'b1 <='O' waitforlOOns;a4<='0'a3<='0'a2<='0'a1 <='1 b4<='1 'b3&l

40、t;='0'b2<='1 'b1<='1' waitforlOOns;a4<='0'a3<='0'a2<='0'a1 <='1 b4<='1 'b3<='1 'b2<='0'b1 <='O' waitforlOOns;a4<='0'a3<='0'a2<='0'a1 <='1b4<=&#

41、39;1 'b3<='1 'b2<='0'b1 <='1'waitforlOOns;a4<='0'a3<='0'a2<='0'a1 <='1b4<='1 'b3<='1 'b2<='1 'b1 <='O'waitforWOns;a4<='0'a3<='0'a2<='0'a1 <=

42、9;1b4<='1 'b3<='1 'b2<='1 'b1<='1'waitforlOOns;a4<='0'a3<='0'a2<='1 'a1 <='0'b4<='0'b3<='0'b2<='0'b1<='0'waitforlOOns;a4<='0'a3<='0'a2<='1

43、'a1 <='0'b4<='0,;b3<=,0,;b2<=,0,;b1 <='1waitforlOOns;a4<='0'a3<='0'a2<='1 'a1 <='0'b4<='0'b3<='0'b2<='1 'b1 <='0'waitforlOOns;a4<='0'a3<='0'a2<='1 &

44、#39;a1 <='0'b4<='0'b3<='0'b2<='1 'b1<='1'waitforlOOns;a4<='0'a3<='0'a2<='1 'a1 <='0'b4<='0'b3<='1 'b2<='0'b1 <='0'waitforlOOns;a4<='0'a3<='

45、0'a2<='1 'a1 <='O'b4<='0,;b3<=,1,;b2<=,0,;b1 <='1'waitforlOOns;a4<='0'a3<='0'a2<='1 'a1 <='O'b4<='0'b3<='1 'b2<='1 'b1 <='O'waitforlOOns;a4<='0'a3<=

46、'0'a2<='1 'a1 <='O'b4<='0'b3<='1 'b2<='1 'b1<='1'waitforlOOns;a4<='0'a3<='0'a2<='1 'a1 <='O'b4<='1 'b3<='0'b2<='0'b1 <='O'waitforlOOns;a4&

47、lt;='0'a3<='0'a2<='1 'a1 <='O'b4<='1 'b3<='0'b2<='0'b1 <='1'waitforlOOns;a4<='0'a3<='0'a2<='1 'a1 <='O'b4<='1 'b3<='0'b2<='1 'b1 <='

48、;O'waitforlOOns;a4<='0'a3<='0'a2<='1 'a1 <='O'b4<='1 'b3<='0'b2<='1 'b1<='1'waitforlOOns;b4<='0'b3<='0'b2<='1 'b1<='1'b4<='1 'b3<='1 'b2<=&

49、#39;0'b1 <='0'waitforlOOns;a4<='0'a3<='0'a2<='1 'a1 <='O' b4<='1 'b3<='1 'b2<='0'b1 <='1 waitforlOOns;a4<='0'a3<='0'a2<='1 'a1 <='O'b4<='1 'b3<

50、='1 'b2<='1 'b1 <='O' waitforlOOns;a4<='0'a3<='0'a2<='1 'a1 <='O' b4<='1 'b3<='1 'b2<='1 'b1<='1' waitforlOOns;a4<='0'a3<='0'a2<='1 'a1 <='1&#

51、39; b4<='0'b3<='0'b2<='0'b1<='0' waitforlOOns;a4<='0'a3<='0'a2<='1 'a1 <='1 b4<='0'b3<='0'b2<='0'b1 <='1' waitforl 00ns;a4<='0'a3<='0'a2<='1 &#

52、39;a1 <='1 b4<='0'b3<='0'b2<='1 'b1 <='0' waitforl 00ns;waitforlOOns;a4<='0'a3<='0'a2<='1 'a1 <='1 b4<='0'b3<='1 'b2<='0'b1 <='O' waitforWOns;a4<='0'a3<

53、;='0'a2<='1 'a1 <='1 b4<='0'b3<='1 'b2<='0'b1 <='1' waitforlOOns;a4<='0'a3<='0'a2<='1 'a1 <='1 b4<='0'b3<='1 'b2<='1 'b1 <='0' waitforlOOns;a4<

54、='0'a3<='0'a2<='1 'a1 <='1 b4<='0'b3<='1 'b2<='1 'b1 <='1 waitforlOOns;a4<='0'a3<='0'a2<='1 'a1 <='1 b4<='1 'b3<='0'b2<='0'b1 <='0' waitfor

55、lOOns;a4<='0'a3<='0'a2<='1 'a1 <='1 b4<='1 'b3<='0'b2<='0'b1 <='1' waitforlOOns;a4<='0'a3<='0'a2<='1 'a1 <='1b4<='1 'b3<='0'b2<='1 'b1 <=

56、9;0'waitforlOOns;a4<='0'a3<='0'a2<='1 'a1 <='1 b4<='1 'b3<='0'b2<='1 'b1<='1' waitforlOOns;a4<='0'a3<='0'a2<='1 'a1 <='1 b4<='1 'b3<='1 'b2<='0

57、'b1 <='O' waitforlOOns;a4<='0'a3<='0'a2<='1 'a1 <='1 b4<='1 'b3<='1 'b2<='0'b1 <='1' waitforlOOns;a4<='0'a3<='0'a2<='1 'a1 <='1 b4<='1 'b3<='1

58、'b2<='1 'b1 <='O' waitforlOOns;a4<='0'a3<='0'a2<='1 'a1 <='1 b4<='1 'b3<='1 'b2<='1 'b1 <='1 waitforlOOns;a4<='0'a3<='1 'a2<='0'a1 <='O' b4<='0

59、'b3<='0'b2<='0'b1<='0' waitforlOOns;a4<='0'a3<='1 'a2<='0'a1 <='O' b4<='0'b3<='0'b2<='0'b1 <='1'waitforlOOns;b4<='1 'b3<='0'b2<='0'b1 <=

60、9;1'b4<='0'b3<='0'b2<='1 'b1 <='0'waitforlOOns;a4<='0'a3<='1 'a2<='0'a1 <='O'b4<='0'b3<='0'b2<='1 'b1<='1'waitforlOOns;a4<='0'a3<='1 'a2<=&

61、#39;0'a1 <='O'b4<='0'b3<='1 'b2<='0'b1 <='O'waitforlOOns;a4<='0'a3<='1 'a2<='0'a1 <='O'b4<='0'b3<='1 'b2<='0'b1 <='1'waitforlOOns;a4<='0'a3<

62、;='1 'a2<='0'a1<='0'b4<='0'b3<='1 'b2<='1 'b1 <='O'waitforlOOns;a4<='0'a3<='1 'a2<='0'a1 <='O'b4<='0'b3<='1 'b2<='1 'b1<='1'waitforlOOns;a

63、4<='0'a3<='1 'a2<='0'a1 <='O'b4<='1 'b3<='0'b2<='0'b1 <='O'waitforlOOns;waitforlOOns;a4<='0'a3<='1 'a2<='0'a1 <='O'b4<='1 'b3<='0'b2<='1 &#

64、39;b1 <='O'waitforWOns;a4<='0'a3<='1 'a2<='0'a1 <='0'b4<='1 'b3<='0'b2<='1 'b1<='1'waitforlOOns;a4<='0'a3<='1 'a2<='0'a1 <='0'b4<='1 'b3<='

65、1 'b2<='0'b1 <='0'waitforlOOns;a4<='0'a3<='1 'a2<='0'a1 <='0'b4<='1 'b3<='1 'b2<='0'b1 <='1waitforlOOns;a4<='0'a3<='1 'a2<='0'a1 <='0'b4<='

66、1 'b3<='1 'b2<='1 'b1 <='0'waitforlOOns;a4<='0'a3<='1 'a2<='0'a1 <='0'b4<='1 'b3<='1 'b2<='1 'b1<='1'waitforlOOns;a4<='0'a3<='1 'a2<='0'a1 <

67、;='1b4<='0'b3<='0'b2<='0'b1<='0'waitforlOOns;a4<='0'a3<='1 'a2<='0'a1 <='1 b4<='0'b3<='0'b2<='0'b1 <='1 waitforlOOns;a4<='0'a3<='1 'a2<='0'

68、a1 <='1 b4<='0'b3<=,0,;b2<=,r；b1 <='O'waitforlOOns;a4<='0'a3<='1 'a2<='0'a1 <='1b4<='0'b3<='0'b2<='1 'b1<='1'waitforlOOns;a4<='0'a3<='1 'a2<='0'a1 &

69、lt;='1b4<='0'b3<='1 'b2<='0'b1 <='O'waitforlOOns;a4<='0'a3<='1 'a2<='0'a1 <='1b4<='0'b3<='1 'b2<='0'b1 <='1'waitforlOOns;a4<='0'a3<='1 'a2<=

70、9;0'a1 <='1b4<='0'b3<='1 'b2<='1 'b1 <='O'waitforlOOns;a4<='0'a3<='1 'a2<='0'a1 <='1b4<='0'b3<='1 'b2<='1 'b1<='1'waitforlOOns;b4<='1 'b3<='1 &

71、#39;b2<='1 'b1<='1'b4<='1 'b3<='0'b2<='0'b1 <='0'waitforlOOns;a4<='0'a3<='1 'a2<='0'a1 <='1b4<='1 'b3<='0'b2<='0'b1 <='1 waitforlOOns;a4<='0'a3

72、<='1 'a2<='0'a1 <='1b4<='1 'b3<='0'b2<='1 'b1 <='O'waitforlOOns;a4<='0'a3<='1 'a2<='0'a1 <='1b4<='1 'b3<='0'b2<='1 'b1<='1'waitforlOOns;a4<=

73、'0'a3<='1 'a2<='0'a1 <='1'b4<='1 'b3<='1 'b2<='0'b1 <='O'waitforlOOns;a4<='0'a3<='1 'a2<='0'a1 <='1b4<='1 'b3<='1 'b2<='0'b1 <='1'w

74、aitforl 00ns;a4<='0'a3<='1 'a2<='0'a1 <='1b4<='1 'b3<='1 'b2<='1 'b1 <='0'waitforl 00ns;waitforlOOns;a4<='0'a3<='1 'a2<='1 'a1 <='O'b4<='0'b3<='0'b2&l

75、t;='0'b1<='0'waitforWOns;a4<='0'a3<='1 'a2<='1 'a1 <='0'b4<='0'b3<='0'b2<='0'b1 <='1'waitforlOOns;a4<='0'a3<='1 'a2<='1 'a1 <='0'b4<='0'b3

76、<='0'b2<='1 'b1 <='0'waitforlOOns;a4<='0'a3<='1 'a2<='1 'a1 <='0'b4<='0'b3<=,0,;b2<=,1 ,;b1 <='1waitforlOOns;a4<='0'a3<='1 'a2<='1 'a1 <='0'b4<='0&#

77、39;b3<='1 'b2<='0'b1 <='0'waitforlOOns;a4<='0'a3<='1 'a2<='1 'a1 <='0'b4<='0'b3<='1 'b2<='0'b1 <='1'waitforlOOns;a4<='0'a3<='1 'a2<='1 'a1 <=&#

78、39;0'b4<='0'b3<='1 'b2<='1 'b1 <='0'waitforlOOns;a4<='0'a3<='1 'a2<='1 'a1 <='O'b4<='0'b3<='1 'b2<='1 'b1<='1'waitforlOOns;a4<='0'a3<='1 'a2&l

79、t;='1 'a1 <='O'b4<='1 'b3<='0'b2<='0'b1 <='O'waitforlOOns;a4<='0'a3<='1 'a2<='1 'a1 <='O'b4<='1 'b3<='0'b2<='0'b1 <='1'waitforlOOns;a4<='0'

80、;a3<='1 'a2<='1 'a1 <='O'b4<='1 'b3<='0'b2<='1 'b1 <='O'waitforlOOns;a4<='0'a3<='1 'a2<='1 'a1 <='0'b4<='1 'b3<='0'b2<='1 'b1<='1'waitf

81、orlOOns;a4<='0'a3<='1 'a2<='1 'a1 <='O'b4<='1 'b3<='1 'b2<='0'b1 <='O'waitforlOOns;a4<='0'a3<='1 'a2<='1 'a1 <='O'b4<='1 'b3<='1 'b2<='0

82、9;b1 <='1'waitforlOOns;b4<='0'b3<='1 'b2<='0'b1 <='1'b4<='1 'b3<='1 'b2<='1 'b1 <='0'waitforlOOns;a4<='0'a3<='1 'a2<='1 'a1 <='O'b4<='1 'b3<=&#

83、39;1 'b2<='1 'b1 <='1 waitforlOOns;a4<='0'a3<='1 'a2<='1 'a1 <='1b4<='0'b3<='0'b2<='0'b1<='0'waitforlOOns;a4<='0'a3<='1 'a2<='1 'a1 <='1b4<='0'

84、b3<='0'b2<='0'b1 <='1'waitforlOOns;a4<='0'a3<='1 'a2<='1 'a1 <='1b4<='0'b3<='0'b2<='1 'b1 <='O'waitforlOOns;a4<='0'a3<='1 'a2<='1 'a1 <='1 b4&l

85、t;='0'b3<='0'b2<='1 'b1<='1'waitforlOOns;a4<='0'a3<='1 'a2<='1 'a1 <='1b4<='0'b3<='1 'b2<='0'b1 <='O'waitforlOOns;waitforlOOns;a4<='0'a3<='1 'a2<='

86、;1 'a1 <='1b4<='0'b3<='1 'b2<='1 'b1 <='O'waitforl 00ns;a4<='0'a3<='1 'a2<='1 'a1 <='1b4<='0'b3<='1 'b2<='1 'b1<='1'waitforl 00ns;a4<='0'a3<='1 'a2<='1 'a1 <='1b4<='1 'b3<='0'b2<='0'b1 <='0'waitforl 00ns;a4<='0'a3<='1 'a2<='1 'a1 <='1b4<='r；b3<='0,;b2<=,0,;b1 <='1'waitforl 00ns;a4<='0'a3<