/ u0 -- unix

cold = 0 
orig = 0 . / orig = 0. relocatable

rkda = 177412 / disk address reg            rk03/rk11
rkds = 177400 / driv status reg             rk03/rk11
rkcs = 177404 / control status reg          rk03/rk11
rcsr = 174000 / receiver status reg         dc-11
rcbr = 174002 / receiver buffer reg         dc-11
tcsr = 174004 / xmtr status reg             dc-11
tcbr = 174006 / xmtr buffer reg             dc-11
tcst = 177340 / dec tape control status     tc11/tu56
tccm = 177342 / dec tape command reg        tc11/tu56
tcwc = 177344 /          word count         tc11/tu56
tcba = 177346 /          bus addr           tc11/tu56
tcdt = 177350 /          data reg           tc11/tu56
dcs  = 177460 / drum control status         rf11/rs11
dae  = 177470 / drum address extension      rf11/rs11
lks  = 177546 / clock status reg            kw11-l
prs  = 177550 / papertape reader status     pc11
prb  = 177552 /                  buffer     pc11
pps  = 177554 /            punch status     pc11
ppb  = 177556 /            punch buffer     pc11
/lps = 177514   line printer status         (future)
/lpb = 177516   line printer buffer         (future)
tks  = 177560 / console read status         asr-33
tkb  = 177562 /         read buffer         asr-33
tps  = 177564 /         punch status        asr-33
tpb  = 177566 /         punch buffer        asr-33
ps   = 177776 / processor status

halt = 0
wait = 1
rti  = 2

nproc = 16. / number of processes
nfiles = 50.
ntty = 8+1
nbuf = 6
 .if cold / ignored if cold = 0
nbuf = 2
.endif

core = orig+40000  / specifies beginning of user's core
ecore = core+20000 / specifies end of user's core (4096 words)

/      4;4     init by copy
/      unkni;0 " error
/      fpsym;0 " illg in tr
       unkni;0 / trace and trap (see Sec. B.1 page  )
       unkni;0 / trap
       panic;0 / pwr
       rtssym;0 / emt
       sysent;0 / sys