Looks like building is easy on my mac. FreeBSD fails to build. I'll build on my mac. That's something. I have somewhere to hack.
Now if I can just figure out why the 'd' key doesn't cause a 'd' to show up. It isn't limited to the Rainbow emulator. The at386 was suffering form it in the 0.184 image that I was running. About 1 in 20 times the 'd' key produced an effect