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#2
jackwain2011-08-15 00:02
回复 楼主 jackwain
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TITLE Reversin a String
INCLUDE irvine32.inc
INCLUDElib Irvine32.lib
INCLUDELIB KERNEL32.LIB
.data
aName BYTE "Abraham Lincoln",0
nameSize=($ - aName) - 1
.Code
main PROC
;push aName
mov ecx,nameSize
mov esi,0
L1:
movzx eax,aName[esi]
push eax
inc esi
loop L1
;pop aName
mov ecx,nameSize
mov esi,0
L2:
pop eax
mov nameSize[esi],al
inc esi
loop L2
mov edx,OFFSET aName
call WriteString
call Crlf
exit
main endp
END main
INCLUDE irvine32.inc
INCLUDElib Irvine32.lib
INCLUDELIB KERNEL32.LIB
.data
aName BYTE "Abraham Lincoln",0
nameSize=($ - aName) - 1
.Code
main PROC
;push aName
mov ecx,nameSize
mov esi,0
L1:
movzx eax,aName[esi]
push eax
inc esi
loop L1
;pop aName
mov ecx,nameSize
mov esi,0
L2:
pop eax
mov nameSize[esi],al
inc esi
loop L2
mov edx,OFFSET aName
call WriteString
call Crlf
exit
main endp
END main
这段程序运行不了,反汇编之后得到

pop eax
mov nameSize[esi],al ;反汇编的代码是 mov BYTE PTR [esi+F],al 主要是加了个F就错了,怎么解决好?
inc esi
loop L2