| delorie.com/archives/browse.cgi | search |
| From: | "Campbell, Rolf [SKY:1U32:EXCH]" <moscoop AT americasm01 DOT nt DOT com> |
| Newsgroups: | comp.os.msdos.djgpp |
| Subject: | Re: Inline asm |
| Date: | Tue, 07 Mar 2000 12:54:11 -0500 |
| Organization: | Nortel Networks |
| Lines: | 22 |
| Message-ID: | <38C54243.DB343A69@americasm01.nt.com> |
| References: | <Pine DOT SUN DOT 3 DOT 91 DOT 1000307101530 DOT 21628D-100000 AT is> |
| NNTP-Posting-Host: | wmerh0tk.ca.nortel.com |
| Mime-Version: | 1.0 |
| X-Mailer: | Mozilla 4.72 [en] (X11; I; HP-UX B.10.20 9000/785) |
| X-Accept-Language: | en |
| To: | djgpp AT delorie DOT com |
| DJ-Gateway: | from newsgroup comp.os.msdos.djgpp |
| Reply-To: | djgpp AT delorie DOT com |
Eli Zaretskii wrote:
> On Mon, 6 Mar 2000, Campbell, Rolf [SKY:1U32:EXCH] wrote:
>
> > __dpmi_regs regs;
> > memset(®s, 0, sizeof(regs)); //I think this is optional for this
> > specific example
> > regs.x.ax = 0x13;
> > __dmpi_int(0x10, ®s);
>
> It is not necessary to zero-out regs when using __dpmi_int, since
> __dpmi_int zeroes out the parts that need that.
Yes, but I think it is a good practise in general because some
interrupts act differently when other registers contain random values,
but maybe I'm over-reacting..
--
(\/) Rolf Campbell (\/)
| webmaster | delorie software privacy |
| Copyright © 2019 by DJ Delorie | Updated Jul 2019 |