O孝南理N大審SOUTHCHINAUNIVERSITYOFTECHNOLOGY微機(jī)原理實(shí)驗(yàn)報(bào)告實(shí)驗(yàn)一班級(jí)： 2016級(jí)信息工程班姓名： 學(xué)號(hào)： 序號(hào)： 評(píng)閱分?jǐn)?shù)： 實(shí)驗(yàn)一匯編程序上機(jī)環(huán)境的熟悉一、實(shí)驗(yàn)?zāi)康?、學(xué)會(huì)使用匯編程序集成開(kāi)發(fā)環(huán)境(未來(lái)匯編)來(lái)編輯源文件(*.ASM)、調(diào)用MASM宏匯編程序?qū)υ次募M(jìn)行匯編，獲得目標(biāo)程序(*.OBJ)、調(diào)用LINK連接程序?qū)R編后的目標(biāo)文件(*.OBJ)連接成可執(zhí)行的文件(*.EXE)。2、學(xué)會(huì)在DOS命令提示符下調(diào)用EDIT編輯程序來(lái)編輯源文件(*A5乂)、調(diào)用MASM宏匯編程序?qū)υ次募M(jìn)行匯編，獲得目標(biāo)程序(*.OBJ)、調(diào)用LINK連接程序?qū)R編后的目標(biāo)文件(*.OBJ)連接成可執(zhí)行的文件(*.EXE)。3、學(xué)會(huì)使用DEBUG調(diào)試程序把可執(zhí)行文件裝入內(nèi)存并調(diào)試運(yùn)行，熟悉DEBUG命令。二、實(shí)驗(yàn)題目1、有兩個(gè)無(wú)符號(hào)字節(jié)型數(shù)組，設(shè)數(shù)組元素個(gè)數(shù)相等，編程將數(shù)組中的對(duì)應(yīng)元素相加，結(jié)果存入另一個(gè)內(nèi)存區(qū)。1)不考慮進(jìn)位。①已知數(shù)據(jù)段的定義：datasegmentorg2000hnum1db 12h,95h,0f1h,0c2h,82h,2h,10h,34hcountequ$-num1org3000hnum2db23h,0dfh,023h,3fh,3ch,0b3h,57h,3horg5000hresdbcountdup(0)dataends②debug調(diào)試：修改num1和num2數(shù)組元素的值，運(yùn)行看結(jié)果。提示：-e2000-d20002)考慮進(jìn)位。①已知數(shù)據(jù)段的定義：datasegmentorg2000hnum1db 12h,95h,0f1h,0c2h,82h,2h,10h,34hcountequ$-num1org3000hnum2db23h,0dfh,023h,3fh,3ch,0b3h,57h,3horg5000hresdwcountdup(0)dataends②debug調(diào)試：修改num1和num2數(shù)組元素的值，運(yùn)行看結(jié)果。提示：-e2000-d2000三、實(shí)驗(yàn)結(jié)果(1)不考慮進(jìn)位。①運(yùn)行代碼：;sampleDATASEGMENTorg2000hnumldb12h,95h,0f1h,0c2h,82h,2h,10h,34hcountequ$-num1org3000hnum2db23h,0dfh,023h,3fh,3ch,0b3h,57h,3horg5000hresdbcountdup(0)DATAENDSSTACKSEGMENTPARASTACK'STACK'DB100DUP(?)STACKENDSCODESEGMENTASSUMECS:CODE,DS:DATASTARTPROCFARPUSHDSMOVAX,0PUSHAXMOVAX,DATAMOVDS,AXMOVBX,0MOVCX,8next:MOVAL,num1[BX]ADDAL,num2[BX]MOVres[BX],ALINCBXloopnextRETSTARTENDPCODEENDSENDSTART

②程序運(yùn)行流程截圖:反匯編：C：\>debuc[filel.exe-li0C6BIEPUSHDS6C6B：eoeiBB0000MOUAX」0GoeOC6B；e00150PUSHAX0C6B：6065B86AG7MDUAX.076A0C6B8ED8MDUDS.AXQC8BBB8000MDUBX.00000C6B：GOGDB9Q6G0MDUCX.OGGe0C6B：6O108A87GG20MDUAL.EBX+200Q10C6B：60146287QGG0ADDAL.EBX+300010C6B：G01888870G5OMOU[BX+S0GOLAL0C6B：G01C43INCBX0C6B：eoiDEZF1LOOP00100C6B：eoiFCBRETF從IP=0000開(kāi)始執(zhí)行，在IP=001F暫停，因?yàn)槌绦驅(qū)⑾嗉拥慕Y(jié)果存在了res中，所以輸入：-dds:5000查看存儲(chǔ)單元0C6B：O01DE2F10C6B:O01FCBintLOOFRETT0C6B：O01DE2F10C6B:O01FCBintLOOFRETTOGiG001FK3?BX=06Q66AES=075AK3?BX=06Q66AES=075ACX=OGOODX=6600SP=0060SS=0C6DCS=6C6BIP=001FBP=000031=0000DI=0000NUUPEIPLMZMAFOMCK001FCB HETF：5000Q76A：500035Q76A：500035741401EEB56737-G?eoQ78A：5010IEB8000050B86A67-8EB8Q78A：5QZ08A8700ZO0287663G-8887076A：5030BBIFID5QE8CDGF5G-E851076A：5040FF50ZBCQ50BQIE1B-5GE8076A：50503A21BB163C21A39C-G78907bA：5060C39956FF369AQ?BE-IEAG076A：507016FF30B848OC50FF—3624GO00 00 90 00 00 5t....g7 BB00 00 B9 08 00 ....P.j GO5043EZFlCB 0. ..PC...F783 C4 GK B8 FF ...P...P.Q 74C3 83 C4 06 Al .P+.P...P.t 169EQ78BE55D：!..<< ]WDIE3BE369A ..U.6 6.2iEBF21783C4,?GLH.P.6$? 可以看到，在5000-5008對(duì)應(yīng)的八個(gè)數(shù)為numl與num2不考慮進(jìn)位的相加結(jié)果，說(shuō)明程序編寫(xiě)正確。：Z000：Z0t0MUUFEIFLHZNAPONC6.1Z.Z5ds：5O0OA：5000r76fi：50t0r76fi：5070eZ&Xfr76fi：2000?6AES=G?5A：001FCBSS=0C6DCS=0C6BIP=OG1FRETFDOSBoxO.74,Cpuspeed;3000cyclesfTrameskip0,Pro.,.X再通過(guò)-e2000修改一個(gè)值，用-d2000查看是否修改成功:35IEBAB8FF3AC31674BB87IF50Z190FF140000IDZB8B56300100ZO50CO16FFB8BE5002B8503C3648B5BB87CDBBZ19A0C37-00G7-BE30-B859-E81D-5G9C-078B-1EFF-36G0DB8751EB89麗Z4G?E9EZ04C4BB8B170000CBFFAl5D9AC45t...g?……■?■??j1■■■■■ 0...PC…P…LQ….F+.F...F.t..：!..<! ■1161■■■■■■■.0.H,F.6S!..可以發(fā)現(xiàn)，執(zhí)行e2000,將原來(lái)numl的第一個(gè)數(shù)字12H修改為25H,再通過(guò)d2000查看，numl第一個(gè)數(shù)字已經(jīng)修改成25H了2)考慮進(jìn)位。①運(yùn)行代碼：;sampleDATAsegmentorg2000hnumldb 12h,95h,0f1h,0c2h,82h,2h,10h,34hcountequ$-num1org3000hnum2db23h,0dfh,023h,3fh,3ch,0b3h,57h,3horg5000hresdwcountdup(0)DATAendsSTACKSEGMENTPARASTACK'STACK'DB100DUP(?)STACKENDSCODESEGMENTASSUMECS:CODE,DS:DATASTARTPROCFAR

PUSHMOVPUSHMOVMOVMOVMOVADCADCMOVMOVMOVMOVADCADCMOVMOVMOVMOVADCADCMOVMOVMOVMOVADCADCMOVMOVMOVMOVADCADCMOVMOVMOVMOVADCADCMOVMOVMOVMOVADCDSAX,0AXAX,DATADS,AXAH,0AL,[NUM1]AL,[NUM2]AH,0PUSHMOVPUSHMOVMOVMOVMOVADCADCMOVMOVMOVMOVADCADCMOVMOVMOVMOVADCADCMOVMOVMOVMOVADCADCMOVMOVMOVMOVADCADCMOVMOVMOVMOVADCADCMOVMOVMOVMOVADC[RES],AH[RES+1],ALAH,0AL,[NUM1+1]AL,[NUM2+1]AH,0[RES+2],AH[RES+3],ALAH,0AL,[NUM1+2]AL,[NUM2+2]AH,0[RES+4],AH[RES+5],ALAH,0AL,[NUM1+3]AL,[NUM2+3]AH,0[RES+6],AH[RES+7],ALAH,0AL,[NUM1+4]AL,[NUM2+4]AH,0[RES+8],AH[RES+9],ALAH,0AL,[NUM1+5]AL,[NUM2+5]AH,0[RES+10],AH[RES+11],ALAH,0AL,[NUM1+6]AL,[NUM2+6]ADCMOVMOVMOVMOVADCADCMOVMOVRETSTARTENDPCODEAH,0[RES+12],AH[RES+13],ALAH,0AL,[NUM1+7]AL,[NUM2+7]AH,0ADCMOVMOVMOVMOVADCADCMOVMOVRETSTARTENDPCODEAH,0[RES+12],AH[RES+13],ALAH,0AL,[NUM1+7]AL,[NUM2+7]AH,0[RES+14],AH[RES+15],ALENDSENDSTART②程序運(yùn)行流程截圖：先反編譯找到RETF的IP-u.0C6B336Eec&B&B：&B；6B；6B6B6B6B6B-u.0C6B336Eec&B&B：&B；6B；6B6B6B6B6B6B88Z60C50AZ0D50B400AQG7Z01206G730S0D4008BZ60E50AZOF50CB460C8B1CFFuuuuccuuw^cB

MOMOMOMOADADMDMOREIMORSB[500C1,AH[500D1.ALAH.QQAL/26G7]4L』[36G7]AHjGG[5GQELAH[5G0FLAL81AL.SBAL.FF從IP=0000開(kāi)始執(zhí)行，在IP=00A2暫停，因?yàn)槌绦驅(qū)⑾嗉拥慕Y(jié)果存在了res中，所以輸入：-dds:5000查看存儲(chǔ)單元q=QQQO0GA2X=0Q37BX=0000S=Q?6AES=075A6B：O0A2CBdds：50906A：506060356A：5010IEB86A：5QZ0?6606A：503001206A：5040B4066A：5050AZ056A：506026066A：5070D400X=0Q37BX=0000S=Q?6AES=075A6B：O0A2CBdds：50906A：506060356A：5010IEB86A：5QZ0?6606A：503001206A：5040B4066A：5050AZ056A：506026066A：5070D400CX=S朋3DX=OG06SP=0%OSS=GC76CS=0C6BIF=00的KETF0174 01 14 01 01-06 BE 0?0000 50 B6 6A 67-8E DH B43080 D4 66 88 26-G? 50 AZ1206 01 3G D4-GG 88 26AOGE 2Q 12 66 G2-36 80 D450B4 GO AG G3 2G-12 06 OG50位 G7 50 B4 O0-A0 04 208826 G8 5G A2 09-50 B4 00BP=000031=0000DI=0000NUUPEIPLZRNAPEMC005B0080665588fflllzo。z日0Q931A?z00080fc31A5588S200o0(3i7A4264口日&0BAZD&Z■Pt-■■5-■■&FF--&-p-k--08--■■■-0--pP■■■--&pP■■■■■&-可以看到，在每一個(gè)數(shù)之前都能看到進(jìn)位00或01,對(duì)比num1和num2的數(shù)據(jù)，發(fā)現(xiàn)結(jié)果正確，說(shuō)明代碼無(wú)誤。再執(zhí)行-e2002-e3005看能否修改numl和num2數(shù)組中的值eZQOE6A：Z06EFl.Al*30656A：3066B3.10kdZ06(Z6忙ZQGO6A：201G6A：20eO6A：20