.ref-Research-V6/usr/source/s2/tp4.s

/ tap4 -- dec-tape lod/dmp

.data
tc:     </dev/tap>
tcx:    <x\0>
mt:     </dev/mt>
mtx:    <0\0>
tboot:  </usr/mdec/tboot\0>
mboot:  </usr/mdec/mboot\0>
.even
.bss
dir:    . = .+[mdirent*dirsiz]
tapeb:
map:    .=.+4096.
emap:
ch:     .=.+1
flc:    .=.+1
flf:    .=.+1
fli:    .=.+1
flm:    .=.+1
flu:    .=.+1
flv:    .=.+1
flw:    .=.+1
.even

command:.=.+2
sum:    .=.+2
size:   .=.+2
nentr:  .=.+2
nused:  .=.+2
nfree:  .=.+2
lused:  .=.+2
catlb:  .=.+20.
narg:   .=.+2
rnarg:  .=.+2
parg:   .=.+2
fio:    .=.+2
mss:    .=.+2
ndirent:.=.+2
ndentd8:.=.+2
edir:   .=.+2
rseeka: .=.+2
wseeka: .=.+2
tapsiz: .=.+2
name:   .=.+32.
name1:  .=.+32.
statb:  .=.+40.

smdate = 30.