STRING DB‘ABCDEFGHIJ’ MOVAH,01從鍵盤輸入字符1~9 INT21H ANDAL,0FH DECAL XORAH,AH MOVBX,OFFSETSTRING ADDBX,AX MOVBL,[BX] MOVAH,02H ;顯示輸出 INT21H : 試回答:
程序段如下: BLK1 DB 46,84,34,-5,20,122,73 : MOV CX,7 LEA S1,BLK1 NEXT:MOV AL,[SI] INC SI TEST AL,81H LOOPZ NEXT MOV BL,[SI] : 請(qǐng)回答程序段運(yùn)行后: (AL)=? (BL)=?
(AL)=-5或0FBH (BL)=14H或20
分析下面程序段, MOV AL,200 SAR AL,1 MOV BL,AL MOV CL,2 SAR AL,CL ADD AL,BL 試問(wèn)程序段執(zhí)行后 (BL)=? (AL)=?
(BL)=0E4H (AL)=0DDH