Date: Mon, 10 Apr 2000 08:49:10 +0200 (IST) From: Eli Zaretskii X-Sender: eliz AT is To: djgpp AT delorie DOT com Subject: Re: VBE question In-Reply-To: <2f39226b.b2c2896f@usw-ex0102-013.remarq.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Reply-To: djgpp AT delorie DOT com Errors-To: nobody AT delorie DOT com X-Mailing-List: djgpp AT delorie DOT com X-Unsubscribes-To: listserv AT delorie DOT com Precedence: bulk On Sun, 9 Apr 2000, batchex wrote: > Does this mean that no djgpp standard libraries (either C or C++ > libraries) use/clobber FS register? Yes, the library doesn't modify FS. > How about GS register? Low-level library functions that interface with DOS/BIOS clobber GS. > And > approximately, how many selectors could I allocate before I ran > out of them (I know this is specific to many factors, but please > give me the approximate for pure DOS with emm386)? The DPMI spec says this somewhere, I think. I think 2048 descriptors is required. But only very special programs need that large number.