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Conference 7.286::atarist

Title:Atari ST, TT, & Falcon
Notice:Please read note 1.0 and its replies before posting!
Moderator:FUNYET::ANDERSON
Created:Mon Apr 04 1988
Last Modified:Tue May 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:1433
Total number of notes:10312

712.0. "ST to MAC mouse connectivity" by RUTILE::BISHOP () Wed Dec 20 1989 06:38

    I would like to connect a Makintosh (sp?) mouse to my ST.
    The reason is it's far more responsive and i prefer it ! 
    The ST mouse (as we all know) has 2 buttons - and so does 
    the Mac mouse - so i can't see any problem with the buttons 
    etc.. 
    The only problem is the wiring. The ST is male and the Mac 
    is female. I have connected (via a self-made gender bender)
    to the ST and only some things work.
    Does anyone know the pin reference of the Mac mouse to the
    ST mouse ?
    
    Waiting in keen anticipation.....
    
    						Lewis.
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712.1LEDS::ACCIARDIWed Dec 20 1989 10:294
    
    Huh?  In the US, all Macs come with a single-button mouse.
    
    Ed.
712.2oh dear - it was a clone !RUTILE::BISHOPThu Dec 21 1989 08:448
    Ed,
    
    You are right. It wasn't a MAC mouse but it was an IBM clone
    mouse. The kind that come with the amstrad pc's. 
    
    So does anyone know how to connect this mouse to the ST ?
    
    			Lewis.
712.3That makes a diffrencePRNSYS::LOMICKAJJeffrey A. LomickaThu Dec 21 1989 14:113
Clones *tend* to use serial mice.  It's not possible to use the
serial mouse to the ST without modifying the internals of the mouse.  Of
course, in a given PC implementation, anything may happen, so I can't be sure.
712.4cross wires ?RUTILE::BISHOPThu Dec 21 1989 14:589
    Re: .3
    
    I'm not intending to use mouse solely for pc implementation but
    also for normal applications and games!
    Bearing this in mind, can i not just cross the wires and get the
    desired results? If so which wires go where?
    
    						Lewis.
    
712.5Mouse optionsPRNSYS::LOMICKAJJeffrey A. LomickaThu Dec 21 1989 15:3722
There are two kinds of mice in the world.

- Quadrature, such as the Atari mouse, Amiga mouse, the old rectangular
DEC mouse.  These can all be made to work on the Atari by just crossing
the wires.  If you have one such mouse, it should be no problem.
These mice have 1-3 wires that correspond to the buttons (short to
ground when pressed) and two signal wires for each axis.  These signal
wires pulse when the mose is moved.  I have a Commodore mouse on one ST
(well, Roy has it in his office in DSG).

- Serial, such as the new round DEC mouse, Logitech C7, Summagraphics,
most IBM-PC mice.  These mice attach to an RS232 or similar serial
port. They have TX data and RX data, and periodically send three-byte
messages that contain the button data, and the relative X and Y offsets
since the last report.  To use one of these on the Atari is impossible.
 You could perhaps patch the O/S enough to use it on the serial port,
but not in all cases, as some programs will access the mouse by
directly manipulating the keyboard processor, which does not have a
serial port that the mouse could be attached to.

The burning question is, did Amstrad use a quadrature mouese in their
implementation?