delorie.com/archives/browse.cgi   search  
Mail Archives: djgpp/2004/01/05/15:48:17

X-Authentication-Warning: delorie.com: mail set sender to djgpp-bounces using -f
Date: Mon, 5 Jan 2004 15:48:05 -0500
Message-Id: <200401052048.i05Km5t3005614@envy.delorie.com>
From: DJ Delorie <dj AT delorie DOT com>
To: djgpp AT delorie DOT com
In-reply-to: <vvjit3maq0rob2@corp.supernews.com> (message from David Winfrey
on Mon, 05 Jan 2004 20:40:03 -0000)
Subject: Re: BIOS 13h disk i/o buffers
References: <vvjh4soe8ib093 AT corp DOT supernews DOT com> <200401052022 DOT i05KM4A6005335 AT envy DOT delorie DOT com> <vvjit3maq0rob2 AT corp DOT supernews DOT com>
Errors-To: nobody AT delorie DOT com
X-Mailing-List: djgpp AT delorie DOT com
X-Unsubscribes-To: listserv AT delorie DOT com

> Thanks.  My understanding of the 13h/02h and 13h/03h BIOS interrupts
> is that the user-supplied buffer must not cross a 64K DMA
> boundary. How does the DJGPP code handle this, or am I misreading
> the BIOS documentation?

We don't handle this; it just works.  Might be old documentation.

- Raw text -


  webmaster     delorie software   privacy  
  Copyright © 2019   by DJ Delorie     Updated Jul 2019