涓�銆佸～绌猴紙
20
鍒嗭紝姣忕┖
1
鍒嗭級
1.11101100=
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锛?/p>
Q=
锛?/p>
锛?/p>
D=
锛?/p>
锛?/p>
H
2
锛?/p>
鍗佸叚杩涘埗鏁?/p>
XXXXH
鍜?/p>
XXXXH
鐩稿姞鍚庝互涓嬫爣蹇椾綅鍒嗗埆涓猴細
CF=
锛?/p>
锛?/p>
锛?/p>
PF=
锛?/p>
锛?/p>
锛?/p>
OF=
锛?/p>
锛?/p>
銆?/p>
3.
鎸囦护
MOV [BX]
锛?/p>
OFFSET VAR
涓師鎿嶄綔鏁扮殑瀵诲潃鏂瑰紡鏄紙
锛?/p>
锛岀洰鐨勬搷浣滄暟鐨?/p>
瀵诲潃鏂瑰紡鏄紙
锛?/p>
銆?/p>
4.
鏌愭暟鍦ㄨ绠楁満涓敤
8421BCD
鐮佽〃绀轰负
0111 1000 1001
锛屽叾鐪熷�间负锛?/p>
锛夈�?/p>
5.
缁欏畾涓�涓瓨鏀炬暟鎹殑鍐呭瓨鍗曞厓鐨勫亸绉诲湴鍧�鏄?/p>
20C0H
锛岋紙
DS
锛?/p>
=0C00EH
锛岃鍐呭瓨
鍗曞厓鐨勭墿鐞嗗湴鍧�锛堬級銆?/p>
6.
涓嬮潰鐨勬暟鎹」瀹氫箟浜嗭紙锛変釜瀛楄妭锛?/p>
DATA_1
DB
6 DUP(4 DUP(0FFH))
銆?/p>
7
锛庡凡鐭ヤ笅鍒楁寚浠ゆ墽琛屽墠锛?/p>
CS=2000H
锛?/p>
IP=1000H
锛?/p>
SI=2000H
锛屽啓鍑轰笅鍒楁棤鏉′欢鎸?/p>
浠ゆ墽琛屽悗
CS
鍜?/p>
IP
鍊笺�?/p>
锛?/p>
1
锛?/p>
EBF4 JMP SHORT L1 CS=
锛?/p>
IP=
銆?/p>
锛?/p>
2
锛?/p>
E3 JMP SI CS=
锛?/p>
IP=
銆?/p>
8
锛?/p>
8259A
宸ヤ綔鏂瑰紡涓紝浼樺厛绾ф柟寮忓寘鎷?/p>
_____
锛?/p>
_____
锛?/p>
_____
鍜?/p>
_____
鍥涚銆?/p>
9
锛?/p>
褰?/p>
8255A
鐨?/p>
PC
4
鈥?/p>
PC
7
鍏ㄩ儴涓鸿緭鍑虹嚎锛?/p>
琛ㄦ槑
8255A
鐨?/p>
A
绔彛宸ヤ綔鏂瑰紡鏄?/p>
銆?/p>
10
锛?/p>
缁勬垚
32M
脳
8
浣嶇殑瀛樺偍鍣紝闇�瑕?/p>
1M
脳
4
浣嶇殑瀛樺偍鑺墖
鐗囥�?/p>
浜屻�佺畝绛旓紙
45
鍒嗭紝姣忛
5
鍒嗭級
1
锛?/p>
鍐欏嚭
8
浣嶄簩杩涘埗涔﹀師鐮併�佸弽鐮佸強琛ョ爜鍙〃绀虹殑鏁板�肩殑鑼冨洿銆?/p>
2
锛?/p>
浠�涔堟槸瑙勫垯瀛楋紵浠�涔堟槸闈炶鍒欏瓧锛熸墽琛屼竴涓槸瑙勫垯瀛楀拰涓�涓潪瑙勫垯瀛楃殑瀛?/p>
/
鍙栧悇闇�瑕佸嚑
涓�荤嚎鍛ㄦ湡锛?/p>
3
锛?/p>
8255A
涓?/p>
ISR
鍜?/p>
IMR
鐨勫姛鑳芥槸浠�涔堬紵
4
锛?/p>
浠�涔堟槸涓柇鍚戦噺鐮侊紵浠�涔堟槸涓柇鍚戦噺琛紵鐭ラ亾涓柇鍚戦噺鐮佸浣曡幏寰椾腑鏂湇鍔＄▼搴忕殑鍏?
鍙ｅ湴鍧�锛?/p>
5
锛?/p>
浠�涔堟槸鏃堕挓鍛ㄦ湡锛熶粈涔堟槸鎬荤嚎鍛ㄦ湡锛熶竴涓�荤嚎鍛ㄦ湡涓�鑸寘鎷嚑涓椂閽熷懆鏈燂紵
6
锛?/p>
8086
鏈変竴閮ㄥ垎寮曡剼閲囩敤鍒嗘椂澶嶇敤锛屼粈涔堟槸鍒嗘椂澶嶇敤锛熷摢浜涘紩鑴氶噰鐢ㄥ垎鏃跺鐢紵
7
锛?/p>
鎸囧嚭涓嬪垪鎸囦护鐨勯敊璇?/p>
MOV CS
锛?/p>
AX
MUL 10H
OUT AL
锛?/p>
DX
涓夈�佸憡鐭ョ▼搴忓啓缁撴灉锛?/p>
12
鍒嗭級
1
锛?/p>
MOV
AX
锛?/p>
50
MOV
CX
锛?/p>
5
LOP
锛?/p>
SUB
AX
锛?/p>
CX
LOOP
LOP
MOV
BUF
锛?/p>
AX
HLT
涓婅堪绋嬪簭娈垫墽琛屽悗锛?/p>
[BUF]
锛?/p>
?