汇编上机题目代码(9)

2020-04-03 11:33

INORDER PROC LEA SI,BUF LEA DI,BUF+2 MOV BX,SI MOV CX,COUNT

DEC CX

AGAIN: MOV AX,WORD PTR [BX]

SUB AX,WORD PTR [DI]

JB TO MOV BX,DI TO: ADD DI,2 LOOP AGAIN

MOV AX,WORD PTR [BX]

MOV STOR2,AX

LEA SI,BUF LEA DI,BUF+2 MOV BX,SI MOV CX,COUNT DEC CX

AGAIN1: MOV AX,WORD PTR [BX]

CMP AX,WORD PTR [DI]

JA TO1 MOV BX,DI TO1: ADD DI,2 LOOP AGAIN1

MOV AX,WORD PTR [BX]

MOV STOR1,AX

RET INORDER ENDP

PREPARE PROC MOV AX,STOR1 MOV AH,AL MOV CL,4 SHR AH,CL AND AX,0F0FH CMP AH,10 JB TP ADD AH ,37H JMP EN TP: ADD AH,30H EN:

CMP AL,10 JB TP1 ADD AL ,37H JMP EN1 TP1: ADD AL,30H EN1: MOV MAX+6,AH MOV MAX+7,AL

MOV AX,STOR1

MOV AL,AH MOV CL,4 SHR AH,CL AND AX,0F0FH CMP AH,10 JB TP2 ADD AH ,37H JMP EN2 TP2: ADD AH,30H EN2: CMP AL,10

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JB TP3 ADD AL ,37H JMP EN3 TP3: ADD AL,30H EN3: MOV MAX+4,AH MOV MAX+5,AL

MOV AX,STOR2 MOV AH,AL MOV CL,4 SHR AH,CL AND AX,0F0FH CMP AH,10 JB TP4 ADD AH ,37H JMP EN4 TP4: ADD AH,30H EN4:

CMP AL,10 JB TP5 ADD AL,37H JMP EN5 TP5: ADD AL,30H EN5: MOV MIN+6,AH MOV MIN+7,AL

MOV AX,STOR2

MOV AL,AH MOV CL,4 SHR AH,CL AND AX,0F0FH

CMP AH,10 JB TP6 ADD AH,37H JMP EN6 TP6: ADD AH,30H EN6: CMP AL,10 JB TP7 ADD AL,37H JMP EN7 TP7: ADD AL,30H EN7: MOV MIN+4,AH MOV MIN+5,AL

RET

PREPARE ENDP

OUTPUT PROC LEA DX,PRINT MOV AH,9 INT 21H

RET

OUTPUT ENDP

CODE ENDS END MAIN

26.在BUFFER中定义了的十个带符号字,将其中的负数变成绝对值,并以十进制方式输出

DATA SEGMENT

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BUF DW

125AH,4357H,0F50H,0B43H,4AC4H,7454H,8B15H,0A2A4H,0F3CH,00F7H MINUS DW 10 PRINT DB 10,13

OU DB 10 DUP(0,0,0,0,0,',' ),'$' DATA ENDS CODE SEGMENT

ASSUME CS:CODE,DS:DATA,ES:DATA MAIN PROC FAR MOV AX,DATA MOV ES,AX MOV DS,AX

CALL FIND CALL PREPARE CALL OUTPUT

MOV AH,4CH INT 21H MAIN ENDP

FIND PROC LEA BX,BUF

MOV CX,10

AGAIN: CMP WORD PTR [BX],0

JG TO

NEG WORD PTR [BX] TO: ADD BX,2 LOOP AGAIN

RET

FIND ENDP

PREPARE PROC

MOV CL,10

LEA SI,OU

LEA DI,BUF

AGAIN1: MOV CH,5 MOV BX,SI ADD BX,4

MOV AX,[DI]

AGAIN2: MOV DX,0

DIV MINUS

MOV [BX],DL OR BYTE PTR [BX],30H

DEC BX

INC SI DEC CH JNZ AGAIN2 INC SI ADD DI,2 DEC CL JNZ AGAIN1

RET

PREPARE ENDP

OUTPUT PROC LEA DX,PRINT MOV AH,9 INT 21H

RET

43

OUTPUT ENDP

CODE ENDS END MAIN

27.已知数组A包含20个互不相等的字型整数,数组B包含30个互不相等的字型整数,试编制一程序把在A中而不在B中出现的整数放于数组C中。

DATA SEGMENT

BUFA DW

125AH,4357H,0F50H,0B43H,4AC4H,7454H,8B15H,0A2A4H,0F3CH,00F7H

DW

1242H,34DEH,2467H,1EADH,0E343H,98A7H,0CDE3H,0982H,0ADCFH,65D2H

BUFB DW

9834H,3EADH,3467H,2ADEH,098EH,1356H,0CBEDH,09EDH,9ADFH,0963H

DW 1242H,34DEH,2467H,1EADH,0E343H,98A7H,0CDE3H,0982H,0ADCFH,65D2H

DW 38EDH,4AAEH,0C523H,8344H,9EDCH,0B574H,743FH,0C436H,05EEH,0F425H BUF DW 30 DUP(?) DATA ENDS CODE SEGMENT

ASSUME CS:CODE,DS:DATA,ES:DATA MAIN PROC FAR MOV AX,DATA MOV ES,AX MOV DS,AX

CALL OPERATE

MOV AH,4CH INT 21H MAIN ENDP

OPERATE PROC CLD MOV CL,20 LEA DI,BUF

LEA SI,BUFA

AGAIN: LODSW

LEA BX,BUFB

MOV CH,30

CON: CMP AX,[BX] JZ EN

ADD BX,2 DEC CH JNZ CON CALL INSERT EN: DEC CL JNZ AGAIN

RET

OPERATE ENDP

INSERT PROC

44

MOV [DI],AX ADD DI,2

RET

INSERT ENDP CODE ENDS END MAIN

28已知数组A包含20个互不相等的字型整数,数组B包含30个互不相等的字型整数,试编制一程序把既在A中又在B中出现的数存放于数组C中。

DATA SEGMENT

BUFA DW

125AH,4357H,0F50H,0B43H,4AC4H,7454H,8B15H,0A2A4H,0F3CH,00F7H

DW

1242H,34DEH,2467H,1EADH,0E343H,98A7H,0CDE3H,0982H,0ADCFH,65D2H

BUFB DW

9834H,3EADH,3467H,2ADEH,098EH,1356H,0CBEDH,09EDH,9ADFH,0963H

DW 1242H,34DEH,2467H,1EADH,0E343H,98A7H,0CDE3H,0982H,0ADCFH,65D2H

DW 38EDH,4AAEH,0C523H,8344H,9EDCH,0B574H,743FH,0C436H,05EEH,0F425H BUF DW 30 DUP(?) DATA ENDS CODE SEGMENT

ASSUME CS:CODE,DS:DATA,ES:DATA MAIN PROC FAR MOV AX,DATA MOV ES,AX MOV DS,AX

CALL OPERATE

MOV AH,4CH INT 21H MAIN ENDP

OPERATE PROC CLD MOV CL,20 LEA DI,BUF

LEA SI,BUFA

AGAIN: LODSW

LEA BX,BUFB

MOV CH,30

CON: CMP AX,[BX] JNZ TO CALL INSERT JMP EN TO: ADD BX,2 DEC CH JNZ CON

EN: DEC CL JNZ AGAIN

RET

OPERATE ENDP

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