I have attached a couple more drawterm patches that may be of
interest, and a Make.alsa configuration file

the alsa patches change devaudio.c a little bit to add audiodevread
support which (only) devaudio-alsa.c uses

the bindflags patch adds -R and -C options to not bind /mnt/term/root
and /mnt/term/cmd respectively for a slightly more secure drawterm
session. I tried to do the same for -I with /mnt/term/net to disallow
using drawterm's networking but then it just wouldn't connect at all