Re: Port LPT + ADA (whta do I wrong?)

[Jerry van Dijk <jerry@jvdsys.demon.nl>]

Dennis Lee Bieber <wlfraed@ix.netcom.com> writes:

> On Tue, 7 Dec 2004 19:13:52 +0100, "Slawo - MIR"
> <mszajac@poczta.onet.pl> declaimed the following in comp.lang.ada:
> 
> 	I don't know enough about the arguments you are using, but...
> 
> > I try to assingn to variable (field of record) "struktura.Offset" and  to
> > "struktura.OffsetHigh" some different values - 16#379# (address of input
> > register), 16#01#... and it didn't work :(
> >
> 	...If you mean for 16#379# to be the physical I/O address for a
> parallel port, I suspect it isn't going to work at all.

The problem is not only that the the addresses in question are I/O addresses
instead of memory addresses, but also that NT, W2K and XP do not allow a 
user-lever program to access them. 

The easiest solution to this program is to use one of the the generic I/O port
device drivers, for example see:

        http://www.beyondlogic.org/porttalk/porttalk.htm

succes,
Jerry.

-- 
--  Jerry van Dijk
--  Leiden, Holland
--
--  'Tradition is not the worship of ashes, but the preservation of fire.'
--                                               Gustav Mahler (1860-1911)