搜题
问题   更新时间2023/4/3 12:59:00

[简答题,10分] STRI单元存有10个字符的字符串,以0结尾,编程去掉其中的空格符,并将后续字符向前递补。

DATA SEGMENT STR DB ‘SDABF G H0’ DATA ENDS CODE SEGMENT ASSUME CS:CODE,DS:DATA START:MOV AX,DATA MOV DS,AX LEA DI,STR SPACE:MOV CX,10 MOV AL,[DI] CMP AL,0 JE OUT CMP AL,20H JE DELETE JMP EXIT SUB CX,DI MOV SI,DI DELETE: MOV BL,[SI+1] MOV [SI],BL INC SI LOOP DELETE EXIT:JMP SPACE OUT:MOV AH,4CH INT 21H CODE ENDS END START
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