Re: NadaNet on Laser 128?

[schmidtd <schmidtd@my-deja.com>]

On Apr 30, 4:13 am, "Michael J. Mahon" <mjma...@aol.com> wrote:
> schmidtd wrote:
> > On Apr 29, 11:13 pm, "Michael J. Mahon" <mjma...@aol.com> wrote:
>
> >>Bill Garber wrote:
>
> >>><aiiad...@gmail.com> wrote in message
> >>>d477351b-6af6-496c-90f3-06a30d5005fd@q1g2000prf.googlegroups.com">news:d477351b-6af6-496c-90f3-06a30d5005fd@q1g2000prf.googlegroups.com...
>
> >>>>will it work?  I have 4 of them sitting here
>
> >>>>I guess I'll try and let you know..
>
> >>>>Rich
>
> >>>If you find all of the signals inside that are missing from the
> >>>joystick/mouse port,
> >>>then,             YES!!!!!!!!!!!!!!!!!!!!!!         they should work.
> >>>Otherwise, no.
>
> >>>Michael, feel free to jump in here.  :o))))))))))))
>
> >>Yes, that's the issue with "compact" machines--if they don't have
> >>the annunciators (which were on the internal 16-pin game port), then
> >>they can't "talk".
>
> >>I've considered an implementation that would use the speaker port for
> >>a digital output and a pushbutton for an input; however, that would
> >>not only re-use an output that is widely used (for sounds), but any
> >>network activity would also sound quite raucus.  ;-)
>
> >>On the IIc and IIc+, the IOU is different, so you can't even tap
> >>into the annunciator signals internally (they are re-used as soft
> >>switches).
>
> >>I'm less familiar with the Laser 128--maybe the annunciators are
> >>still there...
>
> >>NadaNet uses annunciator 1 and PB 1 for output and input.
>
> > The signals listed in the 128 book for joysticks are:
> > 1 - SW1 - game switch 1
> > 2 - +5 volt
> > 3 - ground
> > 4 - reserved
> > 5 - GAME0 - game paddle 0
> > 6 - N.C. - no connection
> > 7 - SW0 - game switch 0
> > 8 - GAME1 - game paddle 1
> > 9 - reserved
>
> Is it also a mouse port, as with the IIc?
Here's what they say about the port, used with a mouse:
1 - MOUSE SIGNATURE
2 - +5 volts
3 - ground
4 - X DIR - X direction of mouse
5 - X INT - X interrupt of mouse
6 - N.C. - no connection
7 - MOUSE BUTTON
8 - Y DIR - Y direction of mouse
9 - Y INT - Y interrupt of mouse