Radio Shack has these touch screen displays on the rack for $15.
I grabbed one - just because it's too cool and looks like ought to
I've experimented with higher speeds and less cogs and now since I've hooked up an SD card and a W5500 for Ethernet I'm looking at optimizing the hub
In the cog.v file, there are problems in the assignments to the outa and dira registers, apparently.
I'm not at my computer right now, but
Well since I learn fastest by doing (not exactly unique I guess) time to start my next trick. Adapting one of the many curve tracer schematics, probably