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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> |
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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 (\/)
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