From: Damian Yerrick <Bullcr_pd_yerrick AT hotmail DOT comRemoveBullcr_p>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Some minor questions...
Organization: Pin Eight Software  http://pineight.8m.com/
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NNTP-Posting-Date: Tue, 12 Sep 2000 04:38:03 GMT
Distribution: world
Date: Tue, 12 Sep 2000 04:38:03 GMT
To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

On Tue, 12 Sep 2000 00:43:47 GMT, AndrewJ
<luminous-is AT REMOVE DOT home DOT com> wrote:

>On Mon, 11 Sep 2000 14:48:07 GMT, Damian Yerrick
><Bullcr_pd_yerrick AT hotmail DOT comRemoveBullcr_p> wrote:
>
>>allegro_init() will exit() to the caller if it can't initialize the
>>system.
>
>In the context of C, exit() ... returns to ... the os, not the
>caller (the function that called it). Was that a typo?

Yes.  Shouldn't have said "to the caller".  I wanted to say "to DOS"
but DJGPP+Allegro programs can run in Windows 2000, which has no DOS.

>>install_timer() and install_keyboard() are also guaranteed
>>to work
>
>Also, on a PC, very little is /guaranteed/. :)

Under pure DOS and Windows 9x, when will installing a custom timer ISR
and cranking the 8254's (or a virtual 8254's) timer to 200 Hz fail?

Under pure DOS and Windows 9x, when will installing a custom keyboard
ISR fail?

-- 
MS (n)  1. A debilitating and surprisingly widespread affliction
  that renders the sufferer barely able to perform the simplest
  task.  2. A disease, multiple sclerosis (see).

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