ref: c0403e2bf7ec0122ff0cc93a8f92a7e80ad74b9f dir: /bin/skey/
#!/bin/rc rfork n games/wadfs /sys/games/lib/doom/d2/doom2.wad >[2]/dev/null mkey | games/dmid -s | games/opl3 | norm 5 >/dev/audio