汇编实验报告

实验三算术运算与代码转换程序设计一、实验目的）掌握算术运算程序的设计方法。）掌握代码转换程序的设计方法。）进一步掌握各种程序结构。）熟练掌握和使用用DEBUG调试程序。二、实验内容）编制两个多字节整数加法和减法程序，并将结果按十六进制形式显示在屏幕上。）编制程序实现二进制定点数与十进制数的ASCII码串之间转换，并将结果显示在屏幕上。）编写程序计算从键盘输入两个不超过四位的十进制数的和、差、积、商，并以十进制形式输出。）写程序把从键盘输入的四位十六进制数转换为压缩的BCD码，并显示输出。(从键盘输入)转换为P(从键盘输入)进制数。三、实验设备PC机一台四、实验步骤1)按程序流程图编制实验程序。2)输入源程序。3)汇编、连接程序，执行程序，检查结果。4)程序的执行可用DEBUG的G命令也可用T命令单步跟踪执行。5)用D命令检查执行结果。六、源程序实验一DATASEGMENTNUM1DB22H,33H,44H,55H,66H,77HNUM1LDB6HNUM2DB22H,22H,22H,22HNUM2LDB4HOUTCOME1DB10HDUP(0)OUTCOME2DB10HDUP(0)NDB0HDATAENDSSTACK1SEGMENTPARASTACKDW20HDUP(0)STACK1ENDSCODESEGMENTASSUMECS:CODE,DS:DATA,SS:STACK1START:MOVAX,DATAMOVDS,AXMOVCH,0MOVSI,OFFSETNUM1MOVDI,OFFSETNUM2MOVAH,NUM1LMOVAL,NUM2LCMPAH,ALJAECHAXCHGSI,DIXCHGAH,ALCHA:SUBAH,ALMOVCL,ALCLCMOVBX,OFFSETOUTCOME1LOP1:MOVAL,[DI]PUSHCXMOVCL,[SI]ADCCL,ALMOV[BX],CLINCBXINCSIINCDIPOPCXLOOPLOP1MOVCL,AHJCXZLOP3LOP2:PUSHCXMOVCL,BYTEPTR[SI]ADCCL,0MOV[BX],CLPOPCXINCBXINCSILOOPLOP2LOP3:MOVCH,0MOVSI,OFFSETNUM1MOVDI,OFFSETNUM2MOVAH,NUM1LMOVAL,NUM2LCMPAH,ALJAECHA1XCHGSI,DIXCHGAH,ALCHA1:SUBAH,ALMOVCL,ALCLCMOVBX,OFFSETOUTCOME2LOP11:MOVAL,[DI]PUSHCXMOVCL,[SI]SBBCL,ALMOV[BX],CLINCBXINCSIINCDIPOPCXLOOPLOP11MOVCL,AHJCXZLOP7LOP21:PUSHCXMOVCL,BYTEPTR[SI]SBBCL,0MOV[BX],CLPOPCXINCBXINCSILOOPLOP21LOP7:MOVDI,OFFSETOUTCOME1ADDDI,10HMOVCX,11HLOP4:MOVDL,[DI]DECDICMPN,0HJNELOP5CMPDL,0HJELOP9LOP5:PUSHDXPUSHCXMOVCL,4HSHRDL,CLPOPCXCMPDL,9HELOP6ADDDL,7HLOP6:ADDDL,30HMOVAH,2INT21HMOVN,1HPOPDXANDDX,0FHCMPDL,9HELOP8ADDDL,7HLOP8:ADDDL,30HMOVAH,2INT21HMOVDL,'H'MOVAH,2INT21HLOP9:LOOPLOP4MOVN,0MOVDI,OFFSETOUTCOME2ADDDI,10HMOVCX,11HLOP14:MOVDL,[DI]DECDICMPN,0HJNELOP15CMPDL,0HJELOP19LOP15:PUSHDXPUSHCXMOVCL,4HSHRDL,CLPOPCXCMPDL,9HELOP16ADDDL,7HLOP16:ADDDL,30HMOVAH,2INT21HMOVN,1HPOPDXANDDX,0FHCMPDL,9HELOP18ADDDL,7HLOP18:ADDDL,30HMOVAH,2INT21HMOVDL,'H'MOVAH,2INT21HLOP19:LOOPLOP14MOVAH,4CHINT21HCODEENDSENDSTART实验2DATASEGMENTTISHI1DB'Pleaseenterthefirstnumber:','$'TISHI2DB'Pleaseenterthesecondnumber:','$'JIADB'+','$'JIANDB'-','$'CHENGDB'*','$'CHUDB'/','$'DENGDB'=','$'YUDB'......','$'ADB10BDW10CDW10000FDW0HNUM1DW0HNUM2DW0HNDB0HN1DB4HDATAENDSSTACK1SEGMENTSTACKDW30HDUP(0)STACK1ENDSCODESSEGMENTASSUMECS:CODES,DS:DATASTART:MOVAX,DATAMOVDS,AXMOVDX,OFFSETTISHI1MOVAH,09HINT21HLOOP2:MOVAX,NUM1MULBMOVBX,AXMOVAH,1INT21HCMPAL,0DHJELOP1MOVNUM1,BXMOVAH,0SUBAL,30HADDNUM1,AXJMPLOOP2LOP1:MOVDL,0AH输出换行和回车MOVAH,2INT21HMOVDL,0DHMOVAH,2INT21HMOVDX,OFFSETTISHI2MOVAH,09HINT21HLOOP1:MOVAX,NUM2MULBMOVBX,AXMOVAH,1INT21HCMPAL,0DHJELOP3MOVNUM2,BXMOVAH,0SUBAL,30HADDNUM2,AXJMPLOOP1LOP3:MOVDL,0AH输出换行和回车MOVAH,2INT21HMOVDL,0DHMOVAH,2INT21HMOVN,0MOVDX,NUM1MOVF,DXLOP6:MOVDX,0HMOVAX,FDIVBPUSHDXINCNCMPAX,0HJELOP7MOVF,AXJMPLOP6LOP7:MOVCL,NMOVCH,0LOP16:POPDXADDDX,30HMOVAH,2INT21HLOOPLOP16MOVDX,NUM2MOVF,DXMOVN,0MOVDX,OFFSETJIAMOVAH,09HINT21HLOOOP6:MOVDX,0HMOVAX,FDIVBPUSHDXINCNCMPAX,0HJELOOOP7MOVF,AXJMPLOOOP6LOOOP7:MOVCL,NMOVCH,0LOOOP16:POPDXADDDX,30HMOVAH,2INT21HLOOPLOOOP16MOVDX,OFFSETDENGMOVAH,09HINT21HMOVN,0LOOP3:MOVAX,NUM1ADDAX,NUM2MOVF,AXLOOP4:MOVDX,0HMOVAX,FDIVBPUSHDXINCNCMPAX,0HJELOOP5MOVF,AXJMPLOOP4LOOP5:MOVCL,NMOVCH,0LOOP0:POPDXADDDX,30HMOVAH,2INT21HLOOPLOOP0MOVDL,0AH输出换行和回车MOVAH,2INT21HMOVDL,0DHMOVAH,2INT21HMOVN,0MOVDX,NUM1MOVF,DXLOP61:MOVDX,0HMOVAX,FDIVBPUSHDXINCNCMPAX,0HJELOP71MOVF,AXJMPLOP61LOP71:MOVCL,NMOVCH,0LOP161:POPDXADDDX,30HMOVAH,2INT21HLOOPLOP161MOVDX,NUM2MOVF,DXMOVN,0MOVDX,OFFSETJIANMOVAH,09HINT21HLOOOP61:MOVDX,0HMOVAX,FDIVBPUSHDXINCNCMPAX,0HJELOOOP71MOVF,AXJMPLOOOP61LOOOP71:MOVCL,NMOVCH,0LOOOP161:POPDXADDDX,30HMOVAH,2INT21HLOOPLOOOP161MOVDX,OFFSETDENGMOVAH,09HINT21HMOVN,0MOVN,0MOVAX,NUM1SUBAX,NUM2MOVF,AXANDAX,10000000BCMPAX,10000000BJNELOOP6NEGFLOOP6:MOVDX,0MOVAX,FDIVBPUSHDXINCNCMPAX,0HJELOOP7MOVF,AXJMPLOOP6LOOP7:MOVCL,NMOVCH,0LOOP16:POPDXADDDX,30HMOVAH,2INT21HLOOPLOOP16MOVDL,0AH输出换行和回车MOVAH,2INT21HMOVDL,0DHMOVAH,2INT21HMOVN,0MOVDX,NUM1MOVF,DXLOP62:MOVDX,0HMOVAX,FDIVBPUSHDXINCNCMPAX,0HJELOP72MOVF,AXJMPLOP62LOP72:MOVCL,NMOVCH,0LOP162:POPDXADDDX,30HMOVAH,2INT21HLOOPLOP162MOVDX,NUM2MOVF,DXMOVN,0MOVDX,OFFSETCHENGMOVAH,09HINT21HLOOOP62:MOVDX,0HMOVAX,FDIVBPUSHDXINCNCMPAX,0HJELOOOP72MOVF,AXJMPLOOOP62LOOOP72:MOVCL,NMOVCH,0LOOOP162:POPDXADDDX,30HMOVAH,2INT21HLOOPLOOOP162MOVDX,OFFSETDENGMOVAH,09HINT21HMOVN,0MOVAX,NUM1MULNUM2DIVCPUSHDXMOVF,AXMOVN,0LOOP8:MOVDX,0MOVAX,FDIVBPUSHDXINCNCMPAX,0HJELOOP9MOVF,AXJMPLOOP8LOOP9:MOVCL,NMOVCH,0LOOP17:POPDXADDDX,30HMOVAH,2INT21HLOOPLOOP17MOVN,0POPFLOOP10:MOVDX,0HMOVAX,FDIVBPUSHDXINCNCMPAX,0HJELOOP11MOVF,AXJMPLOOP10LOOP11:MOVAL,NCMPAL,4HJELOOP20MOVAL,4HSUBAL,NMOVCL,ALMOVCH,0LOOP19:MOVDX,'0'MOVAH,2INT21HLOOPLOOP19LOOP20:MOVCL,NMOVCH,0LOOP18:POPDXADDDX,30HMOVAH,2INT21HLOOPLOOP18MOVDL,0AH输出换行和回车MOVAH,2INT21HMOVDL,0DHMOVAH,2INT21HMOVN,0MOVDX,NUM1MOVF,DXLOP64:MOVDX,0HMOVAX,FDIVBPUSHDXINCNCMPAX,0HJELOP74MOVF,AXJMPLOP64LOP74:MOVCL,NMOVCH,0LOP164:POPDXADDDX,30HMOVAH,2INT21HLOOPLOP164MOVDX,NUM2MOVF,DXMOVN,0MOVDX,OFFSETchuMOVAH,09HINT21HLOOOP64:MOVDX,0HMOVAX,FDIVBPUSHDXINCNCMPAX,0HJELOOOP74MOVF,AXJMPLOOOP64LOOOP74:MOVCL,NMOVCH,0LOOOP164:POPDXADDDX,30HMOVAH,2INT21HLOOPLOOOP164MOVDX,OFFSETDENGMOVAH,09HINT21HMOVN,0MOVAX,NUM1MOVDX,0DIVNUM2PUSHDXMOVF,AXMOVN,0LOOP15:MOVDX,0MOVAX,FDIVBPUSHDXINCNCMPAX,0HJELOOP12MOVF,AXJMPLOOP15LOOP12:MOVCL,NMOVCH,0LOOP21:POPDXADDDX,30HMOVAH,2INT21HLOOPLOOP21MOVDX,OFFSETYUMOVAH,09HINT21HPOPFMOVN,0LOOP13:MOVDX,0MOVAX,FDIVBPUSHDXINCNCMPAX,0HJELOOP14MOVF,AXJMPLOOP13LOOP14:MOVCL,NMOVCH,0HLOOP22:POPDXADDDX,30HMOVAH,2INT21HLOOPLOOP22MOVAH,4CHINT21HCODESENDSENDSTART实验五输入输出程序设计一、实验目的1)掌握输入输出程序的编写方法。2)熟悉系统功能调用的方法。3)熟悉动画程序的编写方法。二、实验内容1）在CRT上每隔一秒连续显示字符0－9。编程提示为了使输出的字符之间有空格，在每一个循环中输出一个0－9的字符和一个空格。为了输出0－9，置寄存器BL初值为0，每循环一次使其增量。为了保

证输出是十进制，增量后用DAA用AND0FH指令屏蔽高4位。‘HELLO再从屏幕输出‘***HELLO***’。）编制在屏幕上画线的子程序，调用该子程序画一矩形。）编制字母下落一行的子程序，调用该子程序使字母从屏幕顶部下落到底部。）创建一磁盘文件，保存从键盘输入的字符串。）编写程序用设置系统时间，首先从键盘以十进制数形式输入时间，然后修改系统时间，并重新以十进制形式显示时间。）编写程序将屏幕分割成格状，每一格涂上不同颜色，格数从键盘输入。）编写程序在屏幕上显示菜单，输入相应菜单的序号后，选种该菜单项。三、实验设备PC机一台四、实验步骤1)按程序流程图编制实程序。2)输入源程序。3)汇编、连接程序，执行程序，查4)程序的执行可用DEBUG的G命令,也可用T命令单步跟踪执行。五、源程序实五EXAM5－1STACKSEGMENTSTACKDB1024DUP（0）STACKENDSCODESEGMENTASSUME：CODE，SS：STACKSTART：MOVBL，0LP：MOVDL，20HMOVAH，2INT21HMOVAL，BLADDAL,0DAAANDAL，0FHMOVBL，ALPUSHBXORAL，30HMOVDL，ALMOVAH，2INT21HMOVBX，3E8HLP2：MOVCX，176H；延1msLP1：PUSHFPOPFLOOPLP1DECBXJNZLP2POPBXINCBLJMPLPCODEENDSENDSTART执行程序EXAM5－·EXE，屏幕上依次循环显示一个数字一个空：0123456789⋯⋯实五EXAM5-2STACKSEGMENTSTACKDB1024DUP（0）STACKENDSDATASEGMENTBUFFDB，7DUP（？），‘$’DATAENDSINPUTMACROBUFEMOVDX，OFFSETBUFEMOVAH，0AHINT21HENDMPUTCHARMACROCHARMOVDL，CHARMOVAH，02HINT21HENDMCODESEGMENTASSUMECS：CODE，DS：DATA，SS：STACKSTART：MOVAX，DATAMOVDS，AXINPUTBUFF；读取字符串?BUFFPUTCHAR0DHPUTCHAR0AH；光标另起一行MOVCX，0003HNEXT：PUTCHAR2AHLOOPNEXTMOVCL，BUFF+1SUBCH，CHMOVBX，OFFSETBUFF+2BEGIN：MOVAL，[BX]PUTCHARALINCBXLOOPBEGINMOVCX，0003HNEXT1：PUTCHAR2AHLOOPNEXT1MOVAH，4CHINT21HCODEENDSENDSTART执行程序EXAM5－·EXE，输入HELLO↙屏幕上显示结果：***HELLO***实验五EXAM5-5NAMEEXAM6SSTACKSEGMENTSTACK’stack’DB1024（？）SSTACKENDSDATASEGMENTASKNAMEDB0DH，0AH，’Enterthe’DB’destfilename$’ASKCONTDB0DH，0AH，’Enterthestring’DB’asfilecontent’，0ah，’$’FILEBUFDB62，63DUP（？）HAND＿DDW？MSGMERDB0DH，0AH，0AHDB’Directoryfull’,0DH,0AH,’$’MSGWERDB0DH,0AH,0AHDB’Ｄiskfull’,0DH,0AH,’$’MSGSUCDB0DH，0AH，0AH，DB’Wr