X-Authentication-Warning: delorie.com: mail set sender to djgpp-bounces using -f Date: Fri, 16 Nov 2007 15:22:07 -0500 Message-Id: <200711162022.lAGKM7SH001319@envy.delorie.com> From: DJ Delorie To: djgpp AT delorie DOT com In-reply-to: (message from sHadoW MaN on Fri, 16 Nov 2007 15:17:47 -0500) Subject: Re: using DOS ISR calls References: Errors-To: nobody AT delorie DOT com X-Mailing-List: djgpp AT delorie DOT com X-Unsubscribes-To: listserv AT delorie DOT com Precedence: bulk Please don't use HTML email. It's very hard to read. inreg.x.bx = (unsigned int) rq->buffer; This won't work because the memory you've allocated is not accessible to DOS code. You have to allocate some DOS memory, or use the transfer buffer, and copy that to/from your local program memory.