组合逻辑控制器设计

1、内蒙古大学计算机组成原理实验设计报告设计题目：组合逻辑控制器设计班级：13软件二班小组组长：张曦(0131124497)小组成员：李聪、高浪、沈冲、王佳煜、罗旭亮指导老师：刘彩霞一. 实验设计目的：设计一个指令格式如下图的组合逻辑控制器o直接导址地址cr98710操作码寻址方式寄存器编号0： cla0：寄存器直接0： r01： r1二、实验设计原理及思路:1、cup数据通路图如下:1bi ac ift./jialugr (ro;r1)sb2指令微流程图如下:tl>:pc-sb,sb-ar,rdtl:dr-sb,sbrlrt2:pc+1(cla)lrp)=l(add)1r(8)=1（存储器

2、直接寻址）1r（k）=0（寄存器直接寻址ru：d-acrd:(ir(»)-sb,sbralu.r,ac-alu.l11: add, alu.o-acri):lr(i> 7)-sk,sb-ar,rdt1:dr-siksb-alu.r,ac-alu.ln：add,alu.o-ac其屮微命令如f：pc-sbdr-sbir(o)-sbir(0-7)-sbsb-arsb-irsb-alu. ro-acalu.o-ac ac-alu. lpc+1rdadd3微命令编码设计3221 11 14、此地址部分设计：nac字段：2位00：顺序；01：无条件跳转；10：指令跳转；11： add寻址方

3、式跳转na字段：4位共9跳微指令所以na占4位5、控制存储器存储空间分配0123456789004 04 00 0 0 1 0 00 xxxx 010 10 00 0 0 0 0 00 xxxx 000 00 00 0 1 0 0 40 0100 000 00 01 0 0 0 0 01 0000 000 00 00 0 0 0 0 11 0111 011 11 00 1 0 0 0 00 xxxx 000 0010 0 0 0 4 04 0000 100 01 00 0 0 1 0 01 0111 010 11 00 1 0 0 0 01 1000 000 00 10 0 0 0 1 01

4、0000取指clr执行add存储器直 接寻址执行add寄存器直 接寻址执行sbinsboutacinac-alu.lpc+1rdaddnacna32224三、实验代码(c+):# include<iostream>#include<string> using namespace std;int findchar(char ch,char strjnt n) int i=0;while(stri!=ch&&ivn)i+；if(j=n) i=l;return 1;return 0;void caozuo(int wcx1017,int zl)int i=0;

5、for(i=0;i<17;i+)cout«wcx0i;cout«endl«hpc->sb,sb->ar,rdm«endl; for(i=0;i<17;i+)cout«wcxli;cou t«end 1« h dr->sb ,sb ->ir h «endl; for(i=0;i<17;i+)cout«wcx2i;cout«endl«hpc+l n«endl;if(zlol=l)for(i=0;i<17;i+)cout«w

6、cx4i;cout«endi«hadd jmpu«endl;if(zll=l)for(i=0;i<17;i+)cout«wcx7i;cout«endl«mir(0-7)->sb,sb->ar,rdn«endl; for(i=0;i<17;i+)cout«wcx8i;coutvvendlvv”dr>sb,sb alur,acalul'vvendl; for(i=0;i<17;i+)cout«wcx9hil;cout«endl«hadd,alu.

7、o->acm«endl; return;for(i=0;i<17;i+)cout«wcx5i;cout«endl« ,ir(0-7)->sb,sb->alu.r,ac->alu.l,«endl; for(i=0;i<17;i+)cout«wcx6i;coutvvendlvv”add,alu0>ac'vvendl;return;for(i=0;i<17;i+)cout«wcx3i;cout«endl«no->ach«endl;retur

8、n;void add_l(int r0,int ac)int i，cn=0;for(i=0;i<8;i+)cn=(roi&aci+l)l(roiaaci+l)&cn);for(i=0;i<8;i+)aci+l=r0i&aci+l;ac0=cn;return;void add_2(int ac,int r0,int n=0)int i;for(i=0;i<8;i+)r0i=aci+lj;return;main()int wcx1017=0,0,1,0,1,0,0,0,0,1,0,0,0,-1,-1,-1,-1,0,1,0,1,0,0,0,0,0,0,0,

9、0,0,0,(),0,0,0,0,(),0,1,0,0,1,0,0,1,0,0, 取指0,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0, /clr0,0,0,0,0,0,0,0,0,0,0,1,1,0,1 丄 1, /add 寻址0,1,1,1,1,0,0,1,0,0,0,0,0,-1,-1,-1,-m/add 寄存器0,0,0,0,0,l ,0,0,0,0,1,0,1,0,0,0,0,1,(),0,0,1,0,0,0,(),1,0,0,1,0,1,1,1,/add 存储器0，1,0,1,1,0,0,1,0,0,0,0,1,1,0,0,0,0,0，(),0,0,1,0,0,0

10、,0,1,0,1,0,0,0,0char ch1000;char s31000;const char *d = "char *p;while(l)int i=0,n=0;int r08=0,rl8=0),ac9=0;int x100,e;int zl10=0;int zl210=0;cout«"请输入命令:*«endl;gets(ch);if(ch0=*d break; if(strcmp(ch,hclrm)=ollstrcmp(ch,hclrm)=o) zloj=o;zl20=0;cout«m 指令:”；for(i=0;i<10;i+)

11、 cout«zli; cout«endl; caozuo(wcx,zl);elseif(findcharc ' ,ch,strlen(ch)!=0) n=l;if(findchar(*,',ch,strlen(ch)!=o) n=2;else n=3;p = strtok(ch,d);for(i=0;i<n;i+)strcpy(si,p);p=strtok(null,d)；e=n;/while(l)if(strcmp(sojadd”)=ollstrcmp(so畀 add”)=o)zl01=l;z!20=l;if(e=l) break;if(e=2)if

12、(strcmp(sl,"ro")=ollstrcmp(sl,hro")=o) zll=o;zl9=0;add_1(r(),ac);else if(strcmp(sl,krlk)=ollstrcmp(sl,"rlm)=o)zll=o;zl9=l;add_1(r1,ac);elsezll=l；for(i=0;i<strlen(s l);i+)xi=int(sli)-48;for(intj=2;j<10;j+)zlj=l；break;if(e=3)if(strcmp(s2,r0h)=0llstrcmp(s2,hr0k)=0) zl2l=0;z!29

13、=0;else if(strcmp(s2,krlk)=0llstrcmp(s2,"rlh)=0)zl2l=0;zl29=l;elsezl2l=l;for(i=0;i<strlen(s l);i+)xi=int(sli)-48; for(intj=2;j<10;j+)zl2uj=l；e-；cout«'* 指令:"；for(i=0;i<10;i+) cout«zli;if(n=3)cout«m 指令:"； for(i=0;i<10;i+) cout«zl2i;cout«endl;caoz

14、uo(wcx,zl);if(n=3)cout«m 操作二:,«endl; caozuo(wcx,z!2);if(n=2)cout«endl«tfro:h; for(i=0;i<8;i+) cout«roi;cout«endl;cout«endl;if(n=3)add_1(ro,ac);add_1(r1,ac);add_2(ac,r0,0); cout«endl«hro:" for(i=0;i<8;i+)cout«roi;cout«endl; cout«&

15、quot;rl:m; for(i=0;i<8;i+)cout«rli;cout«endl;return 0;三、实验结果图如下:请输入命令：clr指令:00000000000010100001000-1-1-1-1pc->sb, sb->ar, rd0101000000000-1-1-1-1dr->sb, sb-mr 00000000100100100pc+1000000100000100000->acac:00000000请输入命令：add rl 指令:1000000001 0010100001000-1-1-1-1 pc->sb, s

16、b->ar, rd 0101000000000-1-1-1-1dr->sb, sb->ir00000000100100100pc+100000000000110111add jmp0111100100000-1-1-1-1ir(0-7)->sb, sb->alu. r, ac->alu. l00000100001010000add, alu. 0->acro:00000000请输入命令：add ro, r1指令:1000000000指令:10000000010010100001000-1-1-1-1pc->sb, sb->ar, rd oioiooooooooo-i-i-i-idr->sb, sb->ir00000000100100100pc+100000000000110111add jmp0111100100000-1-1-1-1ir（0-7）->sb, sb->alu. r, ac->alu. l00000100001010000m）d, alu. 0->ac操作二：0010100001000-1-1-1-1pc->sb, sb->ar, rd oioiooooooooo-i-i-i-idr->sb, sb->i