一些簡單的匯編程序

1、1.編制程序計算 S=1+2+3+4+N直到和MOBX,100大于500為止，并將結(jié)果在屏幕上顯示出來DIV BX（N的值和最終的和的值）。MOCX,DXDATA SEGMENTADDAL,30HN DW?MODL,ALSUM DW?MOAH,2DATAENDSINT 21HCODESEGMENTMOBL,10ASSUMCS:CODE,DS:DATAMOAX,CXSTARTDIV BLMOAX,DATAMOCL,AHMODS,AXMOAH,2MOAX,0ADDAL,30HMOBL,0MODL,ALE1: INC BLINT 21HADDAX,BXCMPAX,500MOAH,2JBE E1ADD

2、CL,30HMOVN,BXMODL,CLMOVSUM,AXINT 21HE2:MOAH,4CHMOAX,BXINT 21HMOBL,10CODEENDSDIV BLENDSTARTADDAL,30H2.從鍵盤輸入學(xué)生成績（A B、C D）,自MODL,AL動匯總并顯示各類分?jǐn)?shù)的人數(shù)。按下$鍵則MOCL,AH停止輸入；若按下A、B C D之外的鍵則提MOAH,2示 “ INPUT ERROR 信息。INT 21HDATA SEGMENTM1 DB 'Please inputADDCL,30HA,B,C,D:' ,13,10, '$'MODL,CLM2 DB13,1

3、0, 'Input error!MOAH,2',13,10, '$'INT 21HM3 DB13,10, 'The number of A is: $'M4 DB13,10, 'The number of B is: $'MOAH,2M5 DB13,10, 'The number of C is: $'MODL,0AHM6 DB13,10, 'The number of D is: $'INT 21HMOAX,SUMDATA ENDSCWDSTACKSEGMENTINT 21HSTACKENDSJM

4、P E1CODESEGMENTE6:ASSUMCS:CODE,DS:DATA,SS:STACKSTARTMOAX,DATAMOAH,9MODX, OFFSETM3INT 21HMODS,AXMOAH,9MODX, OFFSETM1INT 21HMOAH,2ADCBL,30HMODL,BLINT 21HMOBX,0MOCX,0E1:MOAH,9MODX, OFFSETM4INT 21HMOAH,1INT 21HMOAH,41HMOAH,2ADCBH,30HMODL,BHCMPAL,AHJNZ E2INT 21HINC BLJMP E1MOAH,9MODX, OFFSETM5INT 21HE2:M

5、OAH,42HCMPAH,ALMOAH,2ADCCL,30HMODL,CLJNZ E3INC BHJMP E1INT 21HMOAH,9MODX, OFFSETM6E3:INT 21HMOAH,43HCMPAH,ALJNZ E4INC CLMOAH,2ADCCH,30HMODL,CHINT 21HJMP E1E4:MOAH,4CHINT 21HMOAH,44HCMPAH,ALJNZ E5CODEENDSENDSTARTINC CHJMP E13.動態(tài)輸入20個二位無符號數(shù)，找出其中最大數(shù)并顯示。DATASSEGMENTE5:MOAH,24HCMPAH,ALJZ E6MOAH,9M1 DB &#

6、39;Please input 5 numbers:' ,13,10, '$'DB 'The biggest number is:$' DB' ' ,13,10, '$' DW?M2M3MAXSTACKSSEGMENTSTACKSENDSCODESSEGMENTADDBL,30HMODL,BLMOAH,2INT 21HASSUMCS:CODES,DS:DATAS,SS:STACKSSTARTMOAX,DATASMODS,AXMOAH,4CHINT 21HCODESENDSMOWAX,OLEADX,M1MOAH,9INT 2

7、1HMOCL,5ENDSTART4.設(shè)數(shù)據(jù)區(qū)有兩個字符串，串 1的長度為5, 串2的長度為10。編程：若串2的最后5個字 符和串1相同，則置FLAG單元為“ Y',否則 置為“ N。DATASSEGMENTS1 DB 'DKJFD$'LP: MOAH,1INT 21HSUBAL,30HMOBH,ALS2 DB 'DSFGDDDJFD$'FLAG DB 'THE FLAF IS THE:$'DATASENDSCODESSEGMENTMOAH,1INT 21HASSUMCS:CODES,DS:DATAS,ES:DATASSTARTSUBAL,

8、30HMOBL,ALLEADX,M3MOAH,9INT 21HMOAX,DATASMODS,AXMOVES,AXLEADX,FLAGMOAH,9INT 21HCMFMAX,BX JNL EXITXCHGMAX,BXLEASI,S1LEADI,S2 +5MOCX,5REPE CMPSBEXIT: LOOP LPJNE EXITLEADX,M2MOAH,9INT 21HMOAH,2MODL, 'Y'INT 21HJMP OVEREXIT:MOBX,MAXMOAH,2ADDBH,30HMODL,BHMOAH,2MODL, 'N'INT 21HOVER:INT 21HM

9、OAH,4CHINT 21HCODESENDSENDSTARTMONIN DB4,5 DUP?)ALFMON DB4, '?.', '$'MONTABTHREE DB4MULTHREE5.編寫打印圖形程序DATASSEGMENTs db '9876543210' ,13,10, '$' a dw ?DATASENDSCODESSEGMENTARA 'CODE'DBJAN.' , 'FEB.' , 'MAR.' , 'APR.' , 'MAY.'

10、, 'JUN.' , 'JUL.' ,'AUG.' ,'SEP.' , 'OCT.' , 'N OV.' , 'DEC.'DATASENDSCODESSEGMENTASSUMCS:CODES,DS:DATASSTARTPU SHDSMOAX,DATAS MODS,AX movcx,10 movbx,9SUB AX,AXPU SHAXMOVAX,DATASMOVDS,AXMOVES,AXmova,2Ioop1: movdl,0ahmovah,2int 21hCALL INPUTCALL

11、 LOCATECALL DIS PLAYRETASSUMCS:CODES,DS:DATAS,ES:DATASMAIN P ROC FARmovdl,0dh movah,2 int 21hIoop2: movdl,sbx movah,2MAIN END PINPUT P ROC NEARPU SHDXMOVAH,0AHLEA DX,MONININT 21Hint 21hinc bxcmp bx,9 jbe Ioop2sub bx,ainc aMOVAH,MONIN+2MOVAL,MONIN +3 XORAX,3030H CMP AH,00JZ RETURNloop Ioop1MOAH,4CHSU

12、B AH,AHADD AL,10RETURN:POPDXINT 21HRETCODESENDSINPUT END PENDSTARTLOCATE P ROC NEARPU SHsI6.用子程序結(jié)構(gòu)編寫程序：從鍵盤入一個二 位十進(jìn)制數(shù)的月份（01-12），然后顯示相 應(yīng)的英文縮寫名。DATASSEGMENTARA 'DATA'PU SHDIPU SHCXLEA SI,MONTABDEC ALADD SI,AXMOVCX,03CLDMOBL,10MULBLLEA DI,ALFMON+1REP MOVSBMODX,AXMOAH,1INT 21HPOP exSUBAL,30HPOP D

13、IPOP SIADDDL,ALMOBL,DLRETLOCATE END PDIS PLAY P ROC NEARP USHDXMOAH,2MODL,''INT 21HLEA DX,ALFMON+1MOVAH,09INT 21HMOBUFSI,BLINC SILOOP LOOP1POP DXRETDIS PLAY END PMONCXgE1:;比較19次CODESENDSENDMAIN7.數(shù)組排序DATASSEGMENTSTRING DB'IN PUT 20 NUMBERS;DAH,0DH, '$' BUF DB20 DUP?) DATASENDSMODI

14、,CXMOBX,0E2:；用冒泡法比較，前后比較MOAL,BUFBXCMPAL,BUFBX+1JNG E3XCHGL,BUFBX+1MOBUFBX,ALE3:CODESSEGMENTADDBX,1LOOP E2ASSUMCSQODESQSQATASSTARTMOXCXQILOOP E1MOVAXQATASMODS,AXMOAH,2MODL,0AHINT 21HLEADX,STRINGMOAH,9INT 21HMOAH,2MODL,0DHINT 21HMONCXN。MOV5I,0LOOP 1:;動態(tài)輸入20個無符號的兩位數(shù)MOAH,1INT 21HMOeL,20MOBX,0MOV5I,0LOOP

15、2:;從小到大輸出數(shù)組SUBAL,30HMOAL,BUFSICBWMOBL,10DIV BLASSUMCS:CODES,DS:DATAS,SS:STACKSSTARTMOBH,AHMOAH,2 ADCAL,30H MODL,ALMOAX,DATASMODS,AXM0BL,BUF2INT 21HMOAH,2ADDBH,30HMODL,BHINT 21HCMFBUF1,BLJG NEXTMOCL,BUF3CMFBUF2,CLJG E3MOAH,2MODL,''JMP E1INT 21HINC SILOOP LOOP2NEXT:MOCL,BUF3CMFBUF1,CLJG E2MOAH,2MODL,0AHINT 21HJMP E1E1:MOAH,2MODL,0DHINT 21HMOBL,BUF3MOWAX,BLJMP OVERE2:MOAH,4CHINT 21HMOAL,BUF1MOWAX,ALJMP OVERCODESENDSE3:ENDSTART8.求三個數(shù)中最大的數(shù)DATASSEGMENTMOCL,BU