Message-ID: <3f34b6fb$0$164$cc7c7865@news.luth.se>
From: Martin Str|mberg <ams AT speedy DOT ludd DOT luth DOT se>
Subject: Re: get the last key pressed
Newsgroups: comp.os.msdos.djgpp
References: <20030809025939 DOT 05142 DOT 00000265 AT mb-m01 DOT aol DOT com>
User-Agent: tin/1.4.6-20020816 ("Aerials") (UNIX) (NetBSD/1.6Q (alpha))
Date: 09 Aug 2003 08:55:23 GMT
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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

Sterten <sterten AT aol DOT com> wrote:
: #include <stdio.h>

: int getkey() {
: int key=55;
: __asm__ __volatile__ ("
:         pushl %%eax
:         movl $256,%%eax
:         int $22

This int makes your program totally broken.

:         andl $255,%%eax
:         movl %%eax,%0
:         movl $3072,%%eax
:         int $33

This one too. I'm very surprised it didn't crash. You can't do int
like that when in protected mode. Read the FAQ and the documentation
for __dpmi_int().


Right,

						MartinS