RCA 70/700 Series Reference Manual page 121

Table 3-5 Operational Word 1 (OW-I)
Bit Function
2, 1, 0
(action
control)
OW-l
These action control bits, set up the conditions
for taking the actions of the following Op Word 1
conditional action bits:
(4, 5)
Set / Reset
In Data Block
(9, 10, 11, 12)
Do not send/send
indicated coordina-
tion message.
(13 )
Terminate
current
channel command
word (CCW)
and the following Op Word 2 conditional action bits:
12, 13
Special
buffer
control
2,
set next
char. is
block
parity
14
Reset LSW
B
15
3,
set status
modifier in
SDB
4, 5
set/reset LSW
F14
The following are the action control bit settings and
their meaning:
000 Do not take action which may be specified
by the conditional action bits Op WD 1:
4,
5~
9, 10, 11,
l2~
13 Op WD 2: 2, 3;
4, 5~ 12, l3~ 14
001 Take the actions specified by the conditional
action bits.
010 Take the actions if the sequence counter
setting is 01.
3