Newsgroups: comp.home.automation,comp.protocols.misc,comp.realtime,comp.robotics,comp.sys.m6809
From: wookie@wookie.demon.co.uk (John Beardmore)
Path: cantaloupe.srv.cs.cmu.edu!das-news2.harvard.edu!news2.near.net!howland.reston.ans.net!pipex!peernews.demon.co.uk!wookie.demon.co.uk!wookie
Subject: Re: 68HC05 Serial Interrupts (Desperate)
References: <11349.9501271123@eestud1.elec.glasgow.ac.uk>
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Date: Sun, 29 Jan 1995 14:28:10 +0000
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In article <11349.9501271123@eestud1.elec.glasgow.ac.uk>
           927191st@elec.gla.ac.uk "E and E  Undergraduate, Eng." writes:

>
>Hello,
>        I am doing a project work on a robotic arm that is controlled by a
>Motorola 68HC05 microcontroller. I have a very serious problem however,
>
>        I want to communicate with a terminal the SCI serial port (port D)
>
>I set correctly the interrupt masks, the vector table at 1ff6-1ff7 locations
>but when a byte comes, the interrupt occurs but the program counter is not
>loaded with the vector address and the program crashes, as I find my PC
>hanging around my data and unused memory.
>
>        Any help, any listing where serial communications by interrupts is
>performed will be appriciated. Please, as my deadline is approaching and I
>am desperate. Please e-mail me listings or whatever at my e-mail address.
>
>        927191st@ugrad.elec.gla.ac.uk

If it was Z80 I could certainly help but I've never done this with a 68HC05.

That wasn't what you wanted to hear was it ?

-- 
John Beardmore     wookie@wookie.demon.co.uk
                   wookie@cix.compulink.co.uk

Remember children:  'M' is for Monoculture, Monopoly and for Microsoft.
