1.鐩存帴鐢ㄦ硶(鍙兘鍦―ebug涓嬩嬌鐢ㄧ殑姹囩紪鎸囦護(hù)):
jmp 孌靛湴鍧錛氬亸縐誨湴鍧
鍔熻兘錛氫慨鏀笴S銆両P鐨勫唴瀹?br>渚嬪瓙錛歫mp 55BA:8
鎵ц鍚庯細(xì)(CS)=55EAH, (IP)=0008H
2.鏍規(guī)嵁鏍囧彿榪涜杞Щ鐨勭敤娉?
(1).杞Щ鐨勭洰鐨勫湴鍧涓嶅湪鎸囦護(hù)涓紝渚濇嵁浣嶇Щ榪涜杞Щ(孌靛唴杞Щ)
a.jmp short 鏍囧彿(IP鐨勪慨鏀硅寖鍥翠負(fù)-128鑷?27)
鍔熻兘錛?IP)=(IP)+8浣嶄綅縐?/p>
b.jmp near ptr 鏍囧彿(IP鐨勪慨鏀硅寖鍥翠負(fù)-32768鑷?2767)
鍔熻兘錛?IP)=(IP)+16浣嶄綅縐?/p>
娉細(xì)渚濇嵁浣嶇Щ榪涜鐨勮漿縐繪槸孌靛唴杞Щ錛屼綅縐?鏍囧彿澶勭殑鍦板潃-jmp鎸囦護(hù)鍚庣殑絎竴涓瓧鑺傜殑鍦板潃銆?/p>
(2).杞Щ鐨勭洰鐨勫湴鍧鍦ㄦ寚浠や腑(孌甸棿杞Щ)
jmp far ptr 鏍囧彿
鍔熻兘錛氱敤鏍囧彿鐨勬鍦板潃鍜屽亸縐誨湴鍧淇敼CS鍜孖P
(CS)=鏍囧彿鎵鍦ㄦ鐨勬鍦板潃;(IP)=鏍囧彿鎵鍦ㄦ鐨勫亸縐誨湴鍧
渚嬪瓙錛氱暐
3.杞Щ鍦板潃鍦ㄥ瘎瀛樺櫒涓殑鐢ㄦ硶錛?br>jmp 鏌愪竴鍚堟硶瀵勫瓨鍣?br>鍔熻兘錛氱敤瀵勫瓨鍣ㄤ腑鐨勫間慨鏀笽P
渚嬪瓙錛歫mp ax
鎵ц鍚庯細(xì)(IP)=(ax)
娉ㄦ剰錛氬悎娉曞瘎瀛樺櫒鏄寚閫氱敤瀵勫瓨鍣ㄣ備竴涓湁瓚ｇ殑鐜拌薄錛歫mp ip鍦╠ebug涓嬭皟璇曚篃鏄?br>閿欒鐨勩傚瓧闈笂鐞嗚В:(IP)=(IP)錛屼絾CPU騫朵笉鏀寔
4.杞Щ鍦板潃鍦ㄥ唴瀛樹腑鐨勭敤娉曪細(xì)
(1).jmp word ptr 鍐呭瓨鍗曞厓鍦板潃(孌靛唴杞Щ)
鍔熻兘錛氫粠鍐呭瓨鍗曞厓鍦板潃鍑哄紑濮嬪瓨鏀劇潃涓涓瓧錛屾槸杞Щ鐨勭洰鐨勫亸縐誨湴鍧
渚嬪瓙錛歮ov ax,0123H
mov [bx],ax
jmp word ptr [bx]
鎵ц鍚庯細(xì)(IP)=0123H
(2).jmp dword ptr 鍐呭瓨鍗曞厓鍦板潃(孌甸棿杞Щ)
鍔熻兘錛氫粠鍐呭瓨鍗曞厓鍦板潃澶勫紑濮嬪瓨鏀劇潃涓や釜瀛楋紝楂樺湴鍧澶勭殑瀛楁槸杞Щ鐨勭洰鐨勬鍦板潃錛屼綆鍦板潃澶勬槸杞Щ鐨勭洰鐨勫亸縐誨湴鍧
渚嬪瓙錛歮ov ax,0123H
mov [bx],ax
mov word ptr [bx+2],0
jmp dword ptr [bx]
鎵ц鍚庯細(xì)(CS)=0, (IP)=0123H
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3.孌靛瘎瀛樺櫒鎿嶄綔鐨勪竴浜涢檺鍒?br>(1)孌靛瘎瀛樺櫒闂翠笉鑳戒紶閫?br>(2)绔嬪嵆鏁頒笉鑳界洿鎺ョ獪閫佺粰孌靛瘎瀛樺櫒
(3)淇敼CS鐨勬寚浠ゆ槸jmp絳夎漿縐繪寚浠?br>
mov鍏蜂綋鐢ㄦ硶錛?/p>
mov 瀵勫瓨鍣紝绔嬪嵆鏁?/p>
mov 瀵勫瓨鍣紝瀵勫瓨鍣?/p>
mov 瀵勫瓨鍣紝鍐呭瓨鍗曞厓
mov 鍐呭瓨鍗曞厓錛屽瘎瀛樺櫒
mov 孌靛瘎瀛樺櫒錛屽瘎瀛樺櫒
mov 瀵勫瓨鍣紝孌靛瘎瀛樺櫒
mov 孌靛瘎瀛樺櫒錛屽唴瀛?br>mov 鍐呭瓨錛屾瀵勫瓨鍣?/p>
mov word(byte) ptr 鍐呭瓨鍗曞厓錛岀珛鍗蟲暟
娉細(xì)浠ヤ笂瀵勫瓨鍣ㄩ兘鏄寚閫氱敤瀵勫瓨鍣細(xì)ax,bx,cx,dx,sp,bp,si,di
绔嬪嵆鏁版槸瀛樺偍鍦–PU鐨勬寚浠ょ紦鍐插櫒涓殑
add鎸囦護(hù)鐢ㄦ硶錛?
add 瀵勫瓨鍣紝绔嬪嵆鏁?/p>
add 瀵勫瓨鍣紝瀵勫瓨鍣?/p>
add 瀵勫瓨鍣紝鍐呭瓨鍗曞厓
add 鍐呭瓨鍗曞厓錛屽瘎瀛樺櫒
add word(byte) ptr 鍐呭瓨鍗曞厓錛岀珛鍗蟲暟
娉細(xì)add涓嶆敮鎸佷換浣曟瀵勫瓨鍣ㄧ殑鎿嶄綔銆傚懙鍛碉紒浠ヤ笂鎬葷粨閮芥槸鍩轟簬8086CPU銆?br>
sub鎸囦護(hù)鍚宎dd涓鏍?/p>