Adding Strings

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Hutley

Joined: 12 Feb 2006
Posts: 6

Hutley 17 Jun 2006, 04:14

i have this:

Code:

first db "hasdhashdhas",13,10,\
           "askdjsladj",13,10,\
           "asdsaskdjsladj",13,10,\
           "sdjsladj",0

how i add the content of esi in 3º line?
like: "asdsaskdjsladj" + esi
[/code]

17 Jun 2006, 04:14

zhak

Joined: 12 Apr 2005
Posts: 501
Location: Belarus

zhak 17 Jun 2006, 07:30

here's the simplest example you can examine and modify according to your needs:

Code:

section 'code' code readable executable
    ........
    mov esi, first
    xor ecx, ecx
  @@:
    lodsb
    cmp al, 13         ;find EOL
    jnz @b
    inc ecx
    cmp ecx, 3         ;line #3?
    jnz @b
    dec esi
    invoke wsprintf, buffer, frmt, first, mystr, esi
    add esp, 4*5   ;pop out 5 DWORDs
    
    .........
    
section 'data' data readable writeable

first db "hasdhashdhas",13,10,\
           "askdjsladj",13,10,\
           "asdsaskdjsladj",13,10,\
           "sdjsladj",0
           
frmt db '%s%s%s',0      ;concatenate 3 strings
           
mystr db 'MYSTRING',0
           
buffer db 256 dup(?)

17 Jun 2006, 07:30

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