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Date: Tue, 06 Dec 2005 16:21:12 +0200
From: Cavit Cahit VURAL <ccvural AT ttnet DOT net DOT tr>
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To: djgpp AT delorie DOT com
Subject: Re: DZCOM problem, please help
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Reply-To: djgpp AT delorie DOT com

frog wrote:

>OS: DOS 6.22
>DJGPP 2.04
>ALLEGRO 4.03
>
>Hi!
>I do experience serious problem with interrupt driven serial
>communication.
>I am using Dzcom0.99i library, and from time to time I can send nothing
>via my serial port.
>After successfull initialization(dzcom_init and comm_port_init) I send
>bytes to port via comm_port_out function. I see that they are witten
>into queue, but they are not sent via serial port. I checked this using
>terminall program on other computer. I think, I have problem with
>interrupt. I must add that this happend from time to time ( not always
>, more or less 3 times from 10) right after initalization. If datas are
>transmitted successfully via com after initialization, I experience no
>problems till program termination.
>I am also using allegro timer interrupts in my program. Cound it be
>that this is the reason?
>Please, help me if you can
>   Artur Pendzich
>
>
>  
>

Allegro reprograms the timer chip. If dzcomm  uses the timer , you must set

i_love_bill = 1 in allegro

CC Vural