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Getting memory capacity

Started by Vortex, January 08, 2026, 07:39:06 PM

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Vortex

Here is an example based on the API function GetPhysicallyInstalledSystemMemory :

include     GetMemory.inc

.data

fc1         db 'Compute name = %s'
            db 13,10,0

fc2         db 'The computer %s '
            db 'has %u Gb of memory.',0

nSize       dd 32

.data?

CompName    db 32 dup(?)
Memory      dq ?

.code

start:

    invoke  GetComputerName,\
            ADDR CompName,ADDR nSize

    invoke  printf,ADDR fc1,\
            ADDR CompName

    invoke  GetPhysicallyInstalledSystemMemory,\
            ADDR Memory

    mov     eax,DWORD PTR Memory
    mov     edx,DWORD PTR Memory+4

    mov     ecx,1024*1024
    div     ecx

    invoke  printf,ADDR fc2,ADDR CompName,eax
           
    invoke  ExitProcess,0

END start
Code it... That's all...