====
銆婃眹缂栬瑷�绋嬪簭璁捐銆嬫ā鎷熻瘯鍗?/p>
01
鍙傝�冪瓟妗?/p>
====
涓�
鍗曢」閫夋嫨棰?/p>
D B A B B C C C D C
浜?/p>
濉┖棰?/p>
1. 0000 0000 0111 0101B
锛?/p>
0075H, 1000 0000 0111 0101B, 0FF8BH
2.
绔嬪嵆瀵诲潃
2450H
鐩存帴瀵诲潃
1260H
瀵勫瓨鍣ㄩ棿鎺ュ鍧�
1270H
鍩哄潃锛嬪彉鍧�鐩稿瀵诲潃
1280H
瀵勫瓨鍣ㄧ浉瀵瑰鍧�
1280H
3. CF=0
锛?/p>
ZF=0
锛?/p>
SF=0
锛?/p>
OF=1
锛?/p>
AF=1
4.
瀛楄妭锛屽瓧锛屽伓
5.
缁熶竴缂栧潃锛岀嫭绔嬬紪鍧�锛岀嫭绔嬬紪鍧�锛?/p>
64K
6.
90
锛?/p>
0, 1, 96
涓?/p>
鏀归敊棰?/p>
绗?/p>
3
琛岋細
0005
鏀逛负
0006H
绗?/p>
12
琛岋細
DS
鏀逛负
DSEG
绗?/p>
15
琛岋細
OFFSET
鍘绘帀
绗?/p>
16~18
琛屾敼涓猴細
PUSH CX
AGAIN
锛?/p>
MOV AL
锛?/p>
[SI]
CBW
ADD DX
锛?/p>
AX
INC SI
绗?/p>
19
琛屽拰绗?/p>
20
琛屼箣闂存彃鍏ヤ竴琛岋細
POP CX
绗?/p>
20
琛屾敼涓猴細
IDIV CL
鍥?/p>
绠�鍗曠▼搴忚璁￠
1.
MOV CX, 20
LEA SI, string1
LEA DI, string2
CLD
MOVSB
2.
MOV CH, 0
D1
锛?/p>
SAR DX, 1
RCR AX, 1
LOOP D1
浜?/p>
璇讳笅鍒楃▼搴忥紝鍥炵瓟鍚庨潰鐨勯棶棰?/p>
锛?/p>
1
锛夎绋嬪簭鐢ㄦ潵灏嗗瓨鏀惧湪
DATA1
鍜?/p>
DATA2
寮�濮嬬殑鍗曞厓涓殑涓や釜澶氬瓧鑺傛暟鎹浉鍔狅紝骞跺皢缁撴灉瀛樻斁鍦?/p>
SUM
寮�濮嬬殑杩炵画鍗曞厓涓�?/p>
锛?/p>
2
锛変笉鍙互锛屽洜涓?/p>
ADD
鎸囦护褰卞搷杩涗綅鏍囧織
CF
鐨勭姸鎬?/p>
锛?/p>
3
锛?/p>
MOV SI
锛?/p>
OFFSET DATA1