Date   : Tue, 31 Aug 1999 23:19:23 +0100
From   : Iain Williamson <Iain@...>
Subject: Re: Mouse on the BBC

In message <990831155124@...>
          jgh@... (Jonathan Graham Harston) wrote:

> Carsten Langkvist Brasholt <clb@...> wrote:
> > Does any of you guys know how to connect a standard PC-mouse to the
> > user-port in order to use the AMX-software?? (if at all possible?)
>  
> No such thing as a 'standard' PC mouse.

On am modern PC, near as makes no difference IMO.
>  
> Iain Williamson <Iain@...> wrote:
> > The AMX mouse connected to the user port? That's strange; I would have
> > assumed it'd be an old-fashioned quadrature mouse, and be connected to
> > the analogue port. If that's the case, you can only get quadrature
>  
> The /analogue/ port????  Mice are digital creatures.  On a BBC, a mouse
> plugs into the user port.

Indeed. A few messages later in this thread I corrected that. I think my
brain overheated and shut down for a moment!
>  
[snip]
>  
> The quadrature mouse, however, is a 'proper' mouse.

[snip loads of info - where were you last week??]

We have two solutions sorted out; one is Stuart McConnachie's method of
stripping a PS/2 mouse, and essentially building a quadrature one from
it. The other is to use Stuart Tyrrell's PS2Mouse system, wired for
the user port (although you say the Compact uses a D-type?)

If anyone is interested in Stuart Tyrrell's box, can they get in contact
with him?

> F. H. Choudhry wrote:
> > that the one?  What kind of mice are the Risc PC ones and can they be
> > interfaced to a BBC Micro that way, or in any way?
>  
> I beleive that RiscPC mice are OS/2 mice - they send state-change data
> serially (not RS232!!!). The RiscPC philosophy was to be able to use lots
> of off-the-shelf PC accessories - I believe the keyboard interface will
> take a standard PC keyboard as well.
>
OS/2 -> PS/2 typo perhaps?

You're slightly out, anyway. RiscPCs use quadrature meeces (but they use
PS/2 keyboards, which is what you're probably thinking of). A7000s use
PS/2 meeces, tho'.

--
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Apologies for any inconvenience caused - sysop @ rednova
-- 
  /""\       Iain Williamson
 C  oo      Software engineer 
 _(  ^)
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