3、DM ASCI DBCUNTDUP(?) DATA ENDS CODE SEGMENT ASSUMECS:CODE,DS:DATA MAIN PROCFAR MOV AX,DATA MOV DS,AX LEA SI,BCDM LEA DI,ASCI MOV CX,CUNT LP:MOV AL,[SI] OR AL,30H MOV [DI],AL INC SI INC DI LOOPLP MOV AX,4C00H INT
4、 21H MAIN ENDP CODE ENDS END MAIN7.9在STR单元开始定义了一长度为LEN字节的字符串,统计出其中大写字母的个数并存放到LARGE字节单元中。请编一完整的源程序。数据段如下:DATASEGMENTSTRDB‘……’LENEQU$-STRLARGEDB?DATAENDS.答:DATA SEGMENT STR DB‘……’ LEN EQU$-STR LARGE DB? DATA ENDS CD EGMENT ASSUMECS:CD,DS:DATA LARG PROCFAR