From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Thu,  6 Apr 1995 12:21:18 -0400
From: rob@plan9.att.com rob@plan9.att.com
Subject: question about PC's
Topicbox-Message-UUID: 0b1e5e02-eac8-11e9-9e20-41e7f4b1d025
Message-ID: <19950406162118.kHH-XTp3B_isA3uVdgVSGNZotrHsHwV7A0sFtQKQfcw@z>

> Go on. What happened to it? 

they generate raw quadrature, but modern machines use serial input.
the company that makes them sells a serial version, but only two buttons
work.