微机原理实验报告-13

实验报告课程名称：微机原理实验（软件）实验名称：实验1两个多位十进制数相加班级学号姓名指导教师李北明实验一两个多位十进制数相加实验实验目的1、学习数据传送和算术运算指令的用法。2、熟悉在pc机上建立、汇编、链接、调试和运行汇编语言程序的过程。实验内容1、将两个五位十进制相加。要求加数和被加数均以ASCII码形式各自顺序存放在以DATA1和DATA2为首的5个内存单元中（低位在前），结果送回DATA1处。2，改变程序手动输入2个数相加实验程序原程序CRLFMACRO；建立宏指令CRLFMOVDL,0DHMOVAH,02HINT21HMOVDL,0AHMOVAH,02HINT21HENDMDATASEGMENTDATA1DB32H,33H,34H,35H,36H；第一个数据（作为被加数）DATA2DB31H,32H,33H,34H,34H；第二个数据（作为加数）DATAENDSSTACKSEGMENT；堆栈段STADB20DUP(?)TOPEQULENGTHSTASTACKENDSCODESEGMENTASSUMECS:CODE,DS:DATA,SS:STACK,ES:DATASTART:MOVAX,DATAMOVDS,AXMOVAX,STACKMOVSS,AXMOVAX,TOPMOVSP,AXMOVSI,OFFSETDATA2MOVBX,05CALLDISPL；显示被加数CRLFMOVSI,OFFSETDATA1MOVBX,05CALLDISPL；显示加数CRLFMOVDI,OFFSETDATA2CALLADDA；加法运算MOVSI,OFFSETDATA1MOVBX,05；显示结果CALLDISPLCRLFMOVAX,4C00HINT21HDISPLPROCNEAR；显示子功能DS1:MOVAH,02MOVDL,[SI+BX-1]；显示字符串中一字符INT21HDECBX；修改偏移量JNZDS1RETDISPLENDPADDAPROCNEARMOVDX,SIMOVBP,DIMOVBX,05AD1:SUBBYTEPTR[SI+BX-1],30HSUBBYTEPTR[DI+BX-1],30HDECBXJNZAD1MOVSI,DXMOVDI,BPMOVCX,05；包括进位，共五位CLC；清位进位AD2:MOVAL,[SI]MOVBL,[DI]ADCAL,BL；带进位相加AAA；非组合BCD码的加法调整MOV[SI],AL；结果送被加数区INCSIINCDI；指向下一位LOOPAD2；MOVSI,DXMOVDI,BPMOVBX,05AD3:ADDBYTEPTR[SI+BX-1],30HADDBYTEPTR[DI+BX-1],30HDECBXJNZAD3RETADDAENDPCODEENDSENDSTART手动输入相加CRLFMACROMOVDL,0DHMOVAH,02HINT21HMOVDL,0AHMOVAH,02HINT21HENDMDATASEGMENTDATA1DB20DUP(?)DATA2DB20DUP(?)DATAENDSSTACKSEGMENTSTADB20DUP(?)TOPEQULENGTHSTASTACKENDSCODESEGMENTASSUMECS:CODE,DS:DATA,SS:STACK,ES:DATASTART:MOVAX,DATAMOVDS,AXMOVAX,STACKMOVSS,AXMOVAX,TOPMOVSP,AXMOVBX,05MOVSI,OFFSETDATA1CALLINPUTCRLFMOVBX,05MOVSI,OFFSETDATA2CALLINPUTCRLFCRLFMOVSI,OFFSETDATA2MOVBX,06CALLDISPLCRLFMOVSI,OFFSETDATA1MOVBX,06CALLDISPLCRLFMOVDI,OFFSETDATA2CALLADDAMOVSI,OFFSETDATA1MOVBX,06CALLDISPLCRLFMOVAX,4C00HINT21HDISPLPROCNEARDSI:MOVAH,02MOVDL,[SI+BX-1]INT21HDECBXJNZDSIRETDISPLENDPADDAPROCNEARMOVDX,SIMOVBP,DIMOVBX,06AD1:SUBBYTEPTR[SI+BX-1],30HSUBBYTEPTR[DI+BX-1],30HDECBXJNZAD1MOVSI,DXMOVDI,BPMOVCX,06CLCAD2:MOVAL,[SI]MOVBL,[DI]ADCAL,BLAAAMOV[SI],ALINCSIINCDILOOPAD2MOVSI,DXMOVDI,BPMOVBX,06AD3:ADDBYTEPTR[SI+BX-1],30HADDBYTEPTR[DI+BX-1],30HDECBXJNEAD3RETINPUTPROCNEARIN1:MOVAH,01INT21HMOV[SI],ALINCSIDECBXJNZIN1RETINPUTENDPADDAENDPCODEENDSENDSTART四实验结果图二修改后的程序9999+8888=18887手动输入2个数相加的程序修改后的程序9999+8888=18887手动输入2个数相加的程序88888+99999=188887图二为手动输入88888与99999，结果为18887，符合事实Bug与修复在改变实验程序后，手动输入出现故障，后经检查发现语句出现遗漏，改正后，运行正常。实验报告课程名称：微机原理实验（软件）实验名称：实验2两个数相乘实验班级20120831学号2012083118姓名指导教师李北明实验二两个数相乘实验实验目的掌握乘法指令和循环指令的用法。实验内容实现十进制数的乘法。被乘数和乘数均以ASCII码形式存放在内存中，实现两位十进制数乘五位十进制数，乘数和被乘数以及结果均在屏幕上显示出来。实验程序实现五位数乘两位的程序如下（更改部分标注在后面）：原程序CRLFMACRO；回车的宏命令MOVDL,0DHMOVAH,02HINT21HMOVDL,0AHMOVAH,02HINT21HENDMDATASEGMENTDATA1DB30H,30H,30H,30H,30H；五位乘数DATA2DB30H；两位被乘数的十位DATA3DB00H,00H,00H,00H,00H,00H,00H；五位乘数与十位被乘数乘积存放单元DATA4DB30H；两位被乘数的个位DATA5DB00H,00H,00H,00H,00H,00H,00H；五位乘数与十位被乘数乘积存放单元RESULTDB7DUP(00H)；结果存放单元DATAENDSSTACKSEGMENTSTADB20DUP(?)TOPEQU$-STASTACKENDSCODESEGMENTASSUMECS:CODE,DS:DATA,SS:STACK,ES:DATASTART:MOVAX,DATAMOVDS,AXMOVAX,STACKMOVSS,AXMOVAX,TOPMOVSP,AXMOVSI,OFFSETDATA1+4；输入五位乘数并显示MOVCX,05LOOPP:MOVAH,1INT21HMOV[SI],ALDECSILOOPLOOPPCRLFMOVAH,1INT21HMOVSI,OFFSETDATA2；键入被乘数十位MOV[SI],ALMOVAH,1INT21HMOVSI,OFFSETDATA4；键入被乘数十位MOV[SI],ALCRLFMOVSI,OFFSETDATA2；五位乘数与被乘数十位相乘结果右移一位存放DATA3中MOVBL,[SI]ANDBL,00001111BMOVSI,OFFSETDATA1MOVDI,OFFSETDATA3+1MOVCX,05LOOP1:MOVAL,[SI]ANDAL,00001111BINCSIMULBLAAMADDAL,[DI]AAAMOV[DI],ALINCDIMOV[DI],AHLOOPLOOP1MOVSI,OFFSETDATA4；五位乘数与被乘数个位相乘结果存放在DATA5中MOVBL,[SI]ANDBL,00001111BMOVSI,OFFSETDATA1MOVDI,OFFSETDATA5MOVCX,05LOOP2:MOVAL,[SI]ANDAL,00001111BINCSIMULBLAAMADDAL,[DI]AAAMOV[DI],ALINCDIMOV[DI],AHLOOPLOOP2MOVSI,OFFSETDATA3MOVDI,OFFSETDATA5CALLADDAMOVBX,07CALLDISPLLCRLFMOVAX,4C00HINT21HDISPLLPROCNEAR；结果显示子程序DSI:MOVAH,02MOVDL,[SI+BX-1]INT21HDECBXJNZDSIRETDISPLLENDPADDAPROCNEAR；将DATA3和DATA5相加并化成ASCII码MOVDX,SIMOVBP,DIMOVCX,07CLCAD2:MOVAL,[SI]MOVBL,[DI]ADCAL,BLAAAMOV[SI],ALINCSIINCDILOOPAD2MOVSI,DXMOVDI,BPMOVBX,7AD3:ADDBYTEPTR[SI+BX-1],30HADDBYTEPTR[DI+BX-1],30HDECBXJNZAD3RETADDAENDPCODEENDSENDSTART手动输入五位数乘两位数CRLFMACROMOVDL,0DHMOVAH,02HINT21HMOVDL,0AHMOVAH,02HINT21HENDMDATASEGMENTDATA1DB5DUP(?);加数DATA2DB2DUP(?);被加数RESULTDB7DUP(00H)RESULT1DB7DUP(00H)DATAENDSSTACKSEGMENTSTADB20DUP(?)TOPEQULENGTHSTASTACKENDSCODESEGMENTASSUMECS:CODE,DS:DATA,SS:STACK,ES:DATASTART:MOVAX,DATAMOVDS,AXMOVAX,STACKMOVSS,AXMOVAX,TOPMOVSP,AX MOVBX,05MOVSI,OFFSETDATA1;设置指针CALLINPUT;调用输入函数INPUTCRLF MOVAH,02MOV DL,2AHINT 21HMOV CX,2LP1:MOV DL,20HINT21HLOOP LP1MOVBX,02;调用输入函数MOVSI,OFFSETDATA2CALLINPUT1CRLFMOVAH,02 MOV CX,7LP3:MOV DL,2DHINT21HLOOP LP3CRLF MOVSI,OFFSETDATA2MOVBL,[SI]MOV BH,[SI+1]ANDBL,00001111BMOVSI,OFFSETDATA1MOVDI,OFFSETRESULTMOVCX,05LOOP1:MOVAL,[SI]ANDAL,00001111BINCSIMULBLAAMADDAL,[DI]AAAMOV[DI],ALINCDIMOV[DI],AHLOOPLOOP1ANDBH,00001111BMOVSI,OFFSETDATA1MOVDI,OFFSETRESULT1INC DIMOVCX,05LOOP2:MOVAL,[SI]ANDAL,00001111BINCSIMULBHAAMADDAL,[DI]AAAMOV[DI],ALINCDIMOV[DI],AHLOOPLOOP2 MOVSI,OFFSETRESULT MOVDI,OFFSETRESULT1MOVDX,SIMOVBP,DIMOVSI,DXMOVDI,BPMOVCX,07CLCAD2:MOVAL,[SI]MOVBL,[DI]ADCAL,BLAAAMOV[SI],ALINCSIINCDILOOPAD2MOVSI,DXMOVDI,BPMOVCX,07MOVSI,OFFSETRESULTDISPL:MOVAH,02MOVDL,[SI+6]ADDDL,30HINT21HDECSILOOPDISPLMOVAX,4C00HINT21HINPUTPROCNEARIN1:MOVAH,01INT21HMOV[SI+4],ALDECSIDECBXJNZIN1RETINPUTENDPINPUT1PROCNEARIN2:MOVAH,01INT21HMOV[SI+1],ALDECSIDECBXJNZIN2RETINPUT1ENDPCODEENDSENDSTART实验结果实验程序运行结果如下：43189*4=172756实验讲义中程序执行结果43189*4=172756实验讲义中程序执行结果99999*88=879991299999*88=8799912如图：xc为实验讲义中例程，得到的结果为×3=135276，符合要求；52为改变后的试验程序，能实现五位数乘三位数，并将乘数、被乘数结果显示在屏幕上，图中为99999*99=9899901。结果正确，符合设计要求。bug与修复改变实验程序后，五位的乘数只有被乘数十位相乘，通过将五位乘数存放单元DATA3变为七位才得到正常结果。实验报告课程名称：微机原理实验（软件）实验名称：实验3字符匹配程序班级20120831学号2012083118姓名指导教师李北明实验三字符串匹配程序实验目的掌握汇编语言中串操作指令的用法。实验内容用串操作指令设计程序，实现在存储区（长度为100H）中寻找空格字符，退出时给出能否找到信息，当找到时，能够显示出空格字符在内存中的位置。。实验程序(修改部分)CRLFMACROMOVDL,0DHMOVAH,02HINT21HMOVAH,02HMOVDL,0AHINT21HENDM DATASSEGMENTMESS1DB'INPUTTHESEGMENTADDR:$'MESS2DB'INPUTTHEOFFSETADDR:$'MESS3DB'OK!HASFOUND',0DH,0AH,'$'MESS4DB'NOSPACECHARACHTWE!',0DH,0AH,'$'ERRORDB'INPUTERROR',0DH,0AH,'$'strdb'',0dh,0ah,'$'DATASENDSSTACKSSEGMENTSTADW32DUP(?)TOPDW?STACKSENDSCODESSEGMENTASSUMECS:CODES,DS:DATAS,SS:STACKS,ES:DATASSTART:MOVAX,DATASMOVDS,AXMOVES,AXMOVAH,09HMOVDX,OFFSETMESS1INT21HCALLGETNUMMOVES,DXMOVAH,09HMOVDX,OFFSETMESS2INT21HCALLGETNUMMOVDI,DXCLDMOVCX,0100HMOVAL,20HREPNZSCASBJNZCCCMOVAH,09HMOVDX,OFFSETMESS3INT21HDECDIMOVCH,4LOP:MOVCL,4ROLDI,CLMOVDX,DIANDDL,0FHADDDL,30HCMPDL,3AHJBNEXTADDDL,7NEXT:MOVAH,02HINT21HDECCHJNZLOPMOVDX,OFFSETSTRMOVAH,09HINT21HJMPBBBCCC:MOVAH,09HMOVDX,OFFSETMESS4INT21HBBB:MOVAX,4C00HINT21HGETNUMPROCNEARPUSHCXXORDX,DXGGG:MOVAH,01HINT21HCMPAL,0DHJZPPPCMPAL,20HJZPPPSUBAL,30HJBKKKCMPAL,0AHJBGETSCMPAL,11HJBKKKSUBAL,07HCMPAL,0FHJBEGETSCMPAL,2AHJBKKKCMPAL,2FHJAKKKSUBAL,20HGETS:MOVCL,04SHLDX,CLXORAH,AHADDDX,AXJMPGGGKKK:MOVAH,09HMOVDX,OFFSETERRORINT21HPPP:PUSHDXCRLFPOPDXPOPCXRETGETNUMENDPCODESENDSENDSTART实验结果显示找到地址bug与修复显示找到地址本次实验十分顺利的得到了结果，未遭遇bug。实验报告课程名称：微机原理实验（软件）实验名称：实验4字符串匹配程序班级20120831学号2012083118姓名指导教师李北明实验四字符串匹配程序实验目的掌握显示提示信息的方法及接受键盘输入信息的方法。实验内容1、编写程序，实现两个字符串比较。如果相同，则显示”MATCH”,否则，显示“NOMATCH”。2、改变程序，实现两个字符串比较。只有当两个字符串全部相同实结果显示“MATCH”。否则显示两个字符串中相同字符以及相同字符的个数。实验程序CRLF MACRO MOVDL,0DH MOVAH,02H INT21H MOVAH,02H MOVDL,0AH INT21HENDMDATA SEGMENTDATA1DB5DUP(?)MESS1DB 'TOTALLYMATCH',0DH,0AH,'$'MESS2DB 'NOMATCH',0DH,0AH,'$'MESS3DB 'INPUTSTRING1:',0DH,0AH,'$'MESS4DB 'INPUTSTRING2:',0DH,0AH,'$'MESS5DB 'MIS:$'MESS6DB 'N:$'MESS7DB 'D:$'MAXLEN1DB 81ACTLEN1DB?STRING1DB81DUP(?)MAXLEN2DB 81ACTLEN2DB?STRING2DB81DUP(?)DATA ENDSSTACK SEGMENTSTA DB 50DUP(?)TOP EQU LENGTHSTASTACK ENDSCODE SEGMENTASSUMECS:CODE,DS:DATA,ES:DATA,SS:STACKSTART: MOV AX,DATA MOV DS,AX MOVES,AXMOVAX,STACKMOVSS,AXMOVSP,TOP MOV AH,09H MOV DX,OFFSETMESS3 INT 21HMOV AH,0AH MOV DX,OFFSETMAXLEN1 INT 21HCRLFMOV AH,09H MOV DX,OFFSETMESS4 INT 21HMOV AH,0AH MOV DX,OFFSETMAXLEN2 INT 21HCRLFCLDMOVSI,OFFSETSTRING1MOVCL,[SI-1]MOVCH,00HMOVDI,OFFSETSTRING2WANQUAN:CMPSB;比较两字符串，完全相同则跳转至GGG，否则跳转至LLLJNZLLLLOOPWANQUANGGG:MOV AH,09HMOVDX,OFFSETMESS1INT 21H