Next problem

[ScorpForeva]

;added to (my prev.post)  code (thanks for help jimh)

;i want to read file in ram and works with gdi

;but after 3 file we have error not full name in message box and edi.
;
;pImjump   dd offset szback<= this addres +9 inc edi ???

;how can i to do better? sorry for my english
Init_Scene        PROTO
.data
imvol     db  7; ------------------------ bmp need create 7 files by text editor *.bmp for test or paintbrush
szback    db "back.bmp", 0 ; ôîí
szbexit   db "exit.bmp", 0
szbwin    db "win.bmp", 0
szbfull   db "full.bmp", 0
szbb640   db "640.bmp",0
szb800    db "800.bmp",0
szb1024   db "1024.bmp"
pImjump   dd  szback, szbexit, szbwin, szbfull, szbb640, szb800,szb1024;  ------------ jump table

.data?
hFile dd ? ;HANDLE
.code
         Init_Scene proc
          pusha
          xor ecx,ecx
         
          mov   BYTE PTR cl,imvol
         
          mov edi,pImjump
         
         
         
         
nextfile :    push ecx
             
          invoke CreateFile,edi,GENERIC_READ,FILE_SHARE_READ,NULL,OPEN_EXISTING,0,NULL ;edi---  name file
             .IF EAX==INVALID_HANDLE_VALUE
            
            INVOKE MessageBox, hwnd,edi ,offset szErFile, MB_ICONERROR
            INVOKE ExitProcess, 0
         .ENDIF
              mov hFile, eax
             INVOKE  MessageBox, hwnd,edi, offset szOkFile, MB_OK
             INVOKE  CloseHandle,hFile
             pop ecx
             dec ecx
             cmp ecx,0
             je ex
          
             inc edi   
             inc edi
             inc edi
             inc edi
             inc edi
             inc edi
             inc edi
             inc edi
             inc edi ;<======9 ????????
            
             jmp    nextfile
         
ex:             popa
                ret
         Init_Scene endp

[jimh]

I don't know about the rest of the inner loop (just glanced at the code), but you didn't NULL-terminate the variable, "szb1024".

Code Select Expand


szb1024    db    "1024.bmp",0


[Relvinian]

Besides what jimh said about the last filename not having a NULL terminator, the only thing I can see is the "inc edi" lines (all nine of them) should be just one add edi, 4 to move to the next string offset (which are DD values)..

Relvinian

[ScorpForeva]

null i forgert when make copy it dont nessary radasm check sintacs. add edi,4 dont work i try yet .correct jnly first name:*(

[tenkey]

.data
szback    db "back.bmp", 0 ; ôîí
szbexit   db "exit.bmp", 0
szbwin    db "win.bmp", 0
szbfull   db "full.bmp", 0
szbb640   db "640.bmp",0
szb800    db "800.bmp",0
szb1024   db "1024.bmp"

pImjump   dd  szback, szbexit, szbwin, szbfull, szbb640, szb800,szb1024;  ------------ jump table

.code
          mov edi,pImjump
nextfile :
          invoke CreateFile,edi,GENERIC_READ,FILE_SHARE_READ,NULL,OPEN_EXISTING,0,NULL ;edi---  name file
          
             inc edi   
             inc edi
             inc edi
             inc edi
             inc edi
             inc edi
             inc edi
             inc edi
             inc edi ;<======9 ????????
            
             jmp    nextfile
         

Look carefully. Not all of your string entries are 9 bytes apart.

After the first entry, you don't make any use of the address (not jump) table.

[ScorpForeva]

i dont understend. why ? get  main addres , used offset. when i use real mode early as jump table its  worked.

[ScorpForeva]

you rigth tenkey ! i must use another algoritm ! or use only 9 bytes name of file!

[thomasantony]

Hi,
   Try scanning for the 0 value inside the string instead adding 9 to the pointer. That is first use the string. Then increment the pointer until it reaches a null

Thomas Antony :U :U

[tenkey]

If you want to fully use the string table you've created, do this:

Code Select Expand

    mov esi, OFFSET pImjump ; get address of first table entry
nextfile:
    mov edi, [esi] ; get string address from table entry
    ; ... use string address by using EDI
    ; ... test for end of table
    add esi,4 ; adjust address to next table entry
    jmp nextfile