[Oberon] PO2013 - Oberon mouse location

Chris Burrows chris at cfbsoftware.com
Wed Nov 21 13:08:00 CET 2018


> -----Original Message-----
> From: Oberon [mailto:oberon-bounces at lists.inf.ethz.ch] On Behalf Of
> Paul Reed
> Sent: Wednesday, 21 November 2018 10:13 PM
> To: ETH Oberon and related systems
> Subject: Re: [Oberon] PO2013 - Oberon mouse location
> 
> Hi Chris, Tomas,
> 
> > 2. Refer to Fig 9.1. 'Format of the mouse register' to work out how
> to
> > encode your x and y values into an integer (w, say) and then call
> > SYSTEM.PUT(msAdr, w) where msAdr = -40.
> 
> This wouldn't work as there is no hardware for the CPU to write to
> that register, it's maintained by the mouse interface hardware in
> response to mouse packets being received.
> 

OK - thanks for the info. 

> Also I'd be concerned about using a user interface which moves the
> mouse, not very friendly and slightly creepy! :)
> 

Reminds me of this useful tool ;-)

http://lmgtfy.com/?q=Project%20Oberon%20mouse%20pointer

Cheers,
Chris



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