汇编实现输入字符串逆向输出

DATA SEGMENTSTRING DB 100,?,100 DUP(0)PROMPT DB 'Please input:',13,10,'$'RESULT DB 'The result is:',13,10,'$'DATA ENDSCODE SEGMENTASSUME CS:CODE,DS:DATASTART:MOV AX,DATAMOV DS,AXLEA DX,PROMPT ;取PROMPT偏移地址->DXMOV AH,9H ;功能号09H->AH,显示'Please input:'INT 21HLEA DX,STRING ;输入字符串MOV AH,0AHINT 21HMOV DL,0AHMOV AH,2HINT 21HLEA DX,RESULT ;取RESULT偏移地址->DX MOV AH,9H ;功能号09H->AH,显示'The result is:'INT 21HLEA BX,STRING+1MOV CL,[BX]MOV CH,0ADD BX,CXNEXT: MOV DL,[BX]MOV AH,2INT 21HDEC BXLOOP NEXTMOV AH,4CHINT 21HCODE ENDS END START