哦,是fasm不是masm
代码:
proc Xsearch; lpStr,lpX
pushad
mov esi,[esp+4*9]
mov edi,[esp+4*10]
call @F
mov eax,[esp+4*3]
mov esp,[eax+0xC4]
jmp Xsearch_Err
@@:
xor eax,eax
push [fs:eax]
mov [fs:eax],esp
.Start:
or ecx,-1
@@: inc ecx
mov al,byte[edi+ecx]
cmp al,0
je @F
cmp al,'\'
jne @B
@@: rep cmpsb
jne Xsearch_Err
or ecx,ecx
jne Xsearch_Err
cmp byte[edi],0
je Xsearch_Suc
inc edi
mov al,byte[edi]
cmp al,'n'
je .n
cmp al,'w'
je .w
cmp al,'?'
je .?
cmp al,'t'
je .t
cmp al,'d'
je .d
cmp al,'*'
je .xx
cmp al,'('
je .c ;\(....\|...\)
cmp al,'|'
je Xsearch_Suc
cmp al,')'
je Xsearch_Suc
;.\\:
inc edi
lodsb
cmp al,'\'
jne Xsearch_Err
jmp .Start
.xx: ;.*:
inc edi
dec esi
@@: inc esi
cmp byte[esi],0
je Xsearch_Err
i Xsearch,esi,edi
jnc @B
xchg eax,esi
jmp Xsearch_Suc
.t:
lodsb
cmp al,9
jne Xsearch_Err
inc edi
jmp .Start
.n:
lodsw
cmp ax,0x0A0D
jne Xsearch_Err
inc edi
jmp .Start
.?:
inc edi
inc esi
cmp byte[edi],'{'
jne .Start
i __atoi,addr edi+1
dec eax
add esi,eax
@@: inc edi
cmp byte[edi],'}'
jne @B
inc edi
jmp .Start
.w:
mov ecx,1
inc edi
cmp byte[edi],'{'
jne .w_loop
i __atoi,addr edi+1
xchg eax,ecx
@@: inc edi
cmp byte[edi],'}'
jne @B
inc edi
.w_loop:
lodsb
or al,0x20
cmp al,'a'
jb Xsearch_Err
cmp al,'z'
ja Xsearch_Err
loop .w_loop
jmp .Start
.d:
mov ecx,1
inc edi
cmp byte[edi],'{'
jne .d_loop
i __atoi,addr edi+1
xchg eax,ecx
@@: inc edi
cmp byte[edi],'}'
jne @B
inc edi
.d_loop:
lodsb
cmp al,0
jb Xsearch_Err
cmp al,9
ja Xsearch_Err
loop .w_loop
jmp .Start
.c:
inc edi
i Xsearch,esi,edi
jc .c_end
@@: inc edi
cmp word[edi],'\)'
je Xsearch_Err
cmp word[edi],'\|'
jne @B
inc edi
jmp .c
.c_end:
xchg eax,esi
@@: inc edi
cmp word[edi],'\)'
jne @B
inc edi
inc edi
jmp .Start
;-------------------------------
Xsearch_Suc:
mov dword[esp+4*9],esi
sub esi,[esp+4*11]
mov dword[esp+4*8],esi
stc
jmp Xsearch_Ret
Xsearch_Err:
clc
Xsearch_Ret:
pop dword[fs:0]
pop eax
popad
retn 4*2
endp