git: purgatorio

ref: 866d74c0c4bb50e85e9e8bb95140c10d409e53be
dir: /appl/demo/lego/

clockface.b
clockreg.sh
firmdl.b
legolink.b
mkfile
rcxsend.b
rcxsend.m
styx.srec
timers.b
timers.m