Message-ID: <378FAEFA.6632629C@vetec.com>
Date: Fri, 16 Jul 1999 17:15:22 -0500
From: Andy Goth <andygoth AT vetec DOT com>
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To: djgpp AT delorie DOT com
Subject: Re: Marker
References: <8D53104ECD0CD211AF4000A0C9D60AE3014ECA1A AT probe-2 DOT acclaim-euro DOT net>
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Reply-To: djgpp AT delorie DOT com

> > I read that the "asm" keyword is new for C++. However, I see
> > inline assembly in Allegro.  Hmm.  Is this a deviation
> > from the standard?
> 
> Inline assembly is non-standard by definition: it is a way to
> temporarily step outside whatever language you are using.
> Various ANSI specs do say something about asm as a keyword
> (I forget exactly what), but that is really somewhat stupid
> given that what you write after the asm is so very platform
> specific.

Maybe we could have several different versions of the inline
assemly--one for each platform we expect to be able to compile on. 
Something like that...
 
> >> asm volatile("jmp 0f; .string \"Hello, world\"; 0:");
> >
> > Is that really jmp 0f?
> 
> It's a local label. See 'info as symbols "symbol names"'.

Okay.  I was wondering if it meant something like "jump fifteen bytes
ahead."
  ___  _   _ ____  _   _
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| |_| |  \| | | | |\   /  | 01001000011001010110110001101100 |
|  _  | \ \ | | | | | |   | 01101111001011000010000001110111 |
| | | | |\  | |_| | | |   | 01101111011100100110110001100100 |
|_| |_|_| \_|____/  |_|   `--[ mailto:andygoth AT vetec DOT com ]---'
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