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用匯編語言試編寫程序,從鍵盤輸入字符以回車結束,統計輸入的字符個數,並顯示輸入的字符和字符個數

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DATAS SEGMENT

IN_1 DB 100

N1 DB ?

BUFF DB 100 DUP('$')

MSG1 DB 10, 13, 'Please Input STR : $'

MSG2 DB 10, 13, 'The STR Long is : $'

CRLF DB 10, 13, '$'

DATAS ENDS

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CODES SEGMENT

ASSUME CS:CODES, DS:DATAS

START:

MOV AX, DATAS

MOV DS, AX

MOV DX, OFFSET MSG1 ;提示輸入.

MOV AH, 09H

INT 21H

MOV DX, OFFSET IN_1 ;接收鍵盤輸入.

MOV AH, 0AH

INT 21H

MOV DX, OFFSET CRLF ;回車換行.

MOV AH, 09H

INT 21H

MOV DX, OFFSET BUFF ;輸出原字符串.

MOV AH, 09H

INT 21H

MOV DX, OFFSET MSG2 ;提示長度.

MOV AH, 09H

INT 21H

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MOV AL, N1

MOV BL, 10

MOV CX, 0

L1:

MOV AH, 0

DIV BL

PUSH AX

INC CX

AND AL, AL

JNZ L1

L2:

POP DX

MOV DL, DH

ADD DL, 48

MOV AH, 2

INT 21H

LOOP L2

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MOV AH, 4CH

INT 21H

CODES ENDS

END START

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