Subject: Re: How to find free conventional memory ?
Date: 24 Mar 1998 07:36:11 GMT
From: Klorf <arppa@hotmail.com>
Organization: University of Jyvaskyla, Finland
Newsgroups: comp.lang.asm.x86

> How is it possible to find the free conventional memory on a computer ?
> I tried the 21h interrupt with AH=48h and BX=FFFFh, but it doesn't work...

There already is free memory allocated for you - it starts from end of
the program and ends to segment what PSP:[0002] shows to you (DS points
to PSP when your program has started).

In .COM file that allocation is easy but in .EXE file that memory area
starts after last segment of your program.

-] Klorf [-