A 20-30 years late video:
https://www.facebook.com/groups/commodoresixtyfour/permalink/10155945728872172/
I've just found it. This was my first modded serial mouse, from 1990s. Its details are somewhere deep in my website (
http://cbm.ficicilar.name.tr/). If you adjust the variable resistor correctly, it does not interfere with the keyboard.
BTW, at the time I wasn't aware of the Amiga mouse protocol; apparently I had reinvented it, but in reverse directions. Basically, both decode the raw data from the photodiodes. For Amiga compatibility you need to switch pins 1 and 2.
Here, the original document:
http://cbm.ficicilar.name.tr/uncorrected/pc64mice.txt
Related programs and such are in the parent directory.
On Thursday, February 19, 1998 at 10:00:00 AM UTC+2, ilker ficicilar wrote:
Hello There;
If you interested, the way to plug a PC mouse to C64 via joyport
is explained at:
http://www.physics.metu.edu.tr/~filker/cbm.html
I've included a device driver for GEOS also. So that you can use a PC
mouse with GEOS.
You can e-mail me, if you have trouble with the method.
bye,
Ilker Ficicilar
c068214@orca.cc.metu.edu.tr filker@newton.physics.metu.edu.tr http://www.physics.metu.edu.tr/~filker/
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