微型计算机原理实验

微型计算机原理实验微型计算机原理实验PAGE/NUMPAGES微型计算机原理实验实验一：输出字符‘A’的源程序以下：PROGSEGMENTASSUMECS:PROGSTART:MOVDL,'A'MOVAH,2INT21HMOVAH,4CHINT21HPROGENDSENDSTART实验二：把BX中的二进制数变换成十进制数，在屏幕上显示出来，只考虑无符号数。程序以下：CODESEGMENTASSUMECS:CODESTART:MOVBX,0FFFHMOVCX,10000CALLDEC_DIVMOVCX,1000CALLDEC_DIVMOVCX,100CALLDEC_DIVMOVCX,10CALLDEC_DIVMOVCX,1CALLDEC_DIVMOVAH,4CHINT21HDEC_DIVPROCNEARMOVAX,BXMOVDX,0DIVCXMOVBX,DXMOVDL,ALADDDL,30HMOVAH,2INT21HRETDEC_DIVENDPCODEENDSENDSTART把BX中的带符号数变换成十进制数，在屏幕上显示出来。程序以下：CODESEGMENTASSUMECS:CODESTART:MOVBX,8001HMOVAX,8000HANDAX,BXJNZMINUSJMPDISPMINUS:MOVDL,'-'MOVAH,2INT21HNEGBXJMPDISPDISP:MOVCX,10000CALLDEC_DIVMOVCX,1000CALLDEC_DIVMOVCX,100CALLDEC_DIVMOVCX,10CALLDEC_DIVMOVCX,1CALLDEC_DIVMOVAH,4CHINT21HDEC_DIVPROCNEARMOVAX,BXMOVDX,0DIVCXMOVBX,DXMOVDL,ALADDDL,30HMOVAH,2INT21HRETDEC_DIVENDPCODEENDSENDSTART求一个数据块（由10个单字节的无符号数构成）中的最大元素，并将结果在屏幕上显示出来，程序以下：DATASEGMENTBLOCKDB1,0,5,7,10,30,100,127,90,80RESULTDB?DATAENDSCODESEGMENTASSUMECS:CODE,DS:DATABEGINPROCFARMOVAX,DATAMOVDS,AXMOVCX,9LEASI,BLOCKMOVAL,[SI]X1:INCSICMPAL,[SI]JAEX2MOVAL,[SI]X2:LOOPX1MOVRESULT,ALMOVAH,0MOVBX,AXCALLXIANSHIMOVAH,4CHINT21HBEGINENDPXIANSHIPROCNEARMOVAL,80HANDAL,BLJNZMINUSJMPDISPMINUS:MOVDL,'-'MOVAH,2INT21HNEGBLJMPDISPDISP:MOVCX,100CALLDEC_DIVMOVCX,10CALLDEC_DIVMOVCX,1CALLDEC_DIVMOVAH,4CHINT21HXIANSHIENDPDEC_DIVPROCNEARMOVAX,BXMOVDL,0DIVCLMOVBL,AHMOVBH,0MOVDL,ALADDDL,30HMOVAH,2INT21HRETDEC_DIVENDPCODEENDSENDBEGIN求一个数据块（由20个单字节的带符号数构成）中的正数和（≤字）和负数和（≤字），并在屏幕上用十进制的形式显示出两个和。程序以下：DATASEGMENTBLOCKDW-100,100,200,-200,5,6,7,8,9,10DW11,12,13,14,15,50,-50,150,-150,-200POSITDW?NEGATDW?ST1DB'Thesumofallthepositivenumbers:$'ST2DB'Thesumofthenegativenumbers:$'DATAENDSCODESEGMENTASSUMECS:CODE,DS:DATASTARTPROCMOVAX,DATAMOVDS,AXMOVBX,OFFSETBLOCKMOVSI,0MOVDI,0MOVCX,20X1:MOVAX,[BX]CMPAX,0JGEX3ADDDI,AXJMPX2X3:ADDSI,AXX2:ADDBX,2LOOPX1MOVPOSIT,SIMOVNEGAT,DIMOVBX,SIMOVDX,OFFSETST1MOVAH,9INT21HCALLXIANSHIMOVDL,0DHMOVAH,2INT21HMOVDL,0AHMOVAH,2INT21HMOVBX,NEGATNEGBXANDBX,7FFFHMOVDX,OFFSETST2MOVAH,9INT21HMOVDL,'-'MOVAH,2INT21HCALLXIANSHIMOVAH,4CHINT21HSTARTENDPXIANSHIPROCNEARMOVCX,100CALLDEC_DIVMOVCX,10CALLDEC_DIVMOVCX,1CALLDEC_DIVRETXIANSHIENDPDEC_DIVPROCNEARMOVAX,BXMOVDX,0DIVCXMOVBX,DXMOVDL,ALADDDL,30HMOVAH,2INT21HRETDEC_DIVENDPCODEENDSENDSTART将寄存器BX中的二进制数变换成十六进制数并在屏幕上显示出来。程序以下：CODESEGMENTASSUMECS:CODEBINHEXPROCFARMOVCH,4MOVBX,1000ROTATE:MOVCL,4ROLBX,CLMOVDL,BLANDDL,0FHADDDL,30HCMPDL,3AHJLOUTPUTADDDL,7OUTPUT:MOVAH,2INT21HDECCHJNEROTATEMOVDL,'H'MOVAH,2INT21HMOVAH,4CHINT21HBINHEXENDPCODEENDSENDBINHEX实验三：从键盘上输入一个十进制数（0～65535），变换成二进制数并放入寄存器BX中，其程序框图以下：程序以下：CODESEGMENTASSUMECS:CODESTARTPROCCALLDECBINCALLXIANSHIMOVAH,4CHINT21HSTARTENDPDECBINPROCNEARMOVCX,10MOVBX,0LOP1:MOVAH,1INT21HCMPAL,30HJLEXITCMPAL,39HJGEXITSUBAL,30HMOVAH,00HXCHGAX,BXMULCXADDBX,AXJMPLOP1EXIT:RETDECBINENDPXIANSHIPROCNEARLP1:MOVCX,10000CALLDEC_DIVMOVCX,1000CALLDEC_DIVMOVCX,100CALLDEC_DIVMOVCX,10CALLDEC_DIVMOVCX,1CALLDEC_DIVRETXIANSHIENDPDEC_DIVPROCNEARMOVAX,BXMOVDX,0DIVCXMOVBX,DXMOVDL,ALADDDL,30HMOVAH,2INT21HRETDEC_DIVENDPCODEENDSENDSTART从键盘上输入0～65535范围的一个十进制数，在屏幕上显示出相应的十六进制数。程序以下：CODESEGMENTASSUMECS:CODESTARTPROCCALLDECBINMOVCH,4CALLROTATEMOVAH,4CHINT21HSTARTENDPDECBINPROCNEARMOVCX,10MOVBX,0LOP1:MOVAH,1INT21HCMPAL,30HJLEXITCMPAL,39HJGEXITSUBAL,30HMOVAH,00HXCHGAX,BXMULCXADDBX,AXJMPLOP1EXIT:RETDECBINENDPROTATEPROCLOP2:MOVCL,4ROLBX,CLMOVDL,BLANDDL,0FHADDDL,30HCMPDL,3AHJLOUTPUTADDDL,7OUTPUT:MOVAH,2INT21HDECCHJNELOP2MOVDL,'H'MOVAH,2INT21HMOVAH,4CHINT21HROTATEENDPCODEENDSENDSTART实验四：在内存中存有一字符串，以0为结尾，程序开始输出‘HELLO’而后等候从键盘输入一字符，再改字符串中找寻该字符，若找到，输出‘yes’；若找不到，输出‘no’，而后再输入下一字符。程序以下：DATASEGMENTSTR1DB'HELLO',0DH,0AH,'$'STR2DB20H,'YES',0DH,0AH,'$'STR3DB20H,'NO',0DH,0AH,'$'STR4DB'123045ABa=!?',00HDATAENDSCODESEGMENTASSUMECS:CODE,DS:DATASTARTPROCFARMOVAX,DATAMOVDS,AXMOVDX,OFFSETSTR1MOVAH,9INT21HLOOP1:MOVAH,1INT21HMOVBX,OFFSETSTR4GON:MOVAH,[BX]CMPAH,0JZNOINCBXCMPAH,ALJNZGONMOVDX,OFFSETSTR2GO:MOVAH,9INT21HJMPLOOP1NO:MOVDX,OFFSETSTR3JMPGOSTARTENDPCODEENDSENDSTART实验 内容 财务内部控制制度的内容财务内部控制制度的内容人员招聘与配置的内容项目成本控制的内容消防安全演练内容 1的程序是个无穷循环程序，若按‘ESC’键，让程序退出循环，是系统返回DOS。已知‘ESC’键的键值是1BH，依据上边要求对实验内容1的程序进行更正，而后重新汇编、链接和运转。程序以下：DATASEGMENTSTR1DB'HELLO',0DH,0AH,'$'STR2DB20H,'YES',0DH,0AH,'$'STR3DB20H,'NO',0DH,0AH,'$'STR4DB'123045ABa=!?',00HDATAENDSCODESEGMENTASSUMECS:CODE,DS:DATASTARTPROCFARMOVAX,DATAMOVDS,AXMOVDX,OFFSETSTR1MOVAH,9INT21HLOOP1:MOVAH,1INT21HMOVBX,OFFSETSTR4GON:MOVAH,[BX]CMPAH,0JZNOINCBXCMPAH,ALJNZGONMOVDX,OFFSETSTR2GO:MOVAH,9INT21HJMPLOOP1NO:MOVDX,OFFSETSTR3JMPGOSTARTENDPCODEENDSENDSTART