Hilfe bei mein Programm (BMP Datein in Buffer Laden ??)

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Harald2026

Joined: 13 Apr 2026
Posts: 2

Harald2026 13 Apr 2026, 09:12

Ich brauche Hilfe bei meinem Programm, da ich noch Neuling im Bereich Windows-Programmierung bin. In mein einfaches Programm möchte ich eine BMP-Datei in den Puffer laden, aber trotz mehrerer Versuche mit Beispielen hat es nicht funktioniert. Was mache ich falsch?

Description:	Dies ist mein Programm , fehlt nur noch BMP Datei in Buffer einladen	Download
Filename:	HaraldWinT.asm
Filesize:	55.97 KB
Downloaded:	10 Time(s)

13 Apr 2026, 09:12

avcaballero

Joined: 02 Feb 2004
Posts: 229
Location: Madrid - Spain

avcaballero 13 Apr 2026, 10:41

https://abreojosensamblador.epizy.com/?Tarea=5&SubTarea=4&Lang=1&nivel=0&padre=0&accion=0

I made these examples some year ago, reading some file graphics putting them in memory, but just in c, asm version are not ready. There may be standard Windows functions that handle it in a more orthodox way; in my case, I did it by reading directly from the file.

Your program is a bit long to read it easy and German comments are still a bit challenge for me Smile

13 Apr 2026, 10:41

bitRAKE

Joined: 21 Jul 2003
Posts: 4428
Location: vpcmpistri

bitRAKE 13 Apr 2026, 10:47

Were you just concerned with the commented portion?

Code:

hFile           dq ?    ; HANDLE
fileSize        dq ?    ; uint
pBuffer         dq ?    ; VOID*
bytesRead       dd ?    ; uint

invoke CreateFileA, "Logo.bmp", GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NUL
mov [hFile], rax

invoke GetFileSize, [hFile], NULL
mov [fileSize], rax ; assume high-dword zero

invoke VirtualAlloc,NULL, [fileSize], MEM_COMMIT or MEM_RESERVE, PAGE_READWRITE
mov [pBuffer], rax

invoke ReadFile, [hFile], [pBuffer], [fileSize], addr bytesRead, 0

invoke CloseHandle, [hFile]

... perhaps?

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13 Apr 2026, 10:47

Harald2026

Joined: 13 Apr 2026
Posts: 2

Harald2026 14 Apr 2026, 07:37

Hallo , danke mal in voraus .
Wird das mal testen !!!

14 Apr 2026, 07:37

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