Listing 1:
<| \ CSD

TABLE SYM-TAB
30 C, 31 C, 31 C, 30 C,
30 C, 54 C, 54 C, 30 C,

TABLE Y+1-TAB
00 C, 00 C, 00 C, 01 C,
00 C, 01 C, 01 C, 01 C,

: CSD      \ ( UN1 --  )
CR ." LSB" CR
1<SHIFT    \  -- UN1' )
F 0 DO
DUP 7 AND DUP
SYM-TAB + C@ EMIT SPACE
Y+1-TAB + C@ SWAP 1SHIFT> 
FFFE AND OR
LOOP DROP CR ;

|>

Testlauf:

--- --- --- | BB CSD
LSB
T 0 T 0 0 0 T 0 1 0 0 0 0 0 0 0
--- --- --- |