Control Data Cyber 170 State Hardware Reference Manual page 124

CP Set instructions
6 3 i jk Set B i t o (Xj)
+
(Bk)
This i n s t r u c t i o n reads operands from
the r e s u l t t o B i .
The sum i s
formed
6 4 i jk Set B i t o (Aj)
+
(Bk)
This i n s t r u c t i o n reads operands from
t h e r e s u l t t o B i . The
sum i s
formed
6 5 i jk Set B i t o (Aj)
-
(Bk)
X j and Bk, adds the operands, and d e l i v e r s
i n an 18-bit one's complement mode.
SBi Aj
+
B k
A j and Bk, adds t h e operands,
i n an 18-bit one's complement
and d e l i v e r s
mode.
This i n s t r u c t i o n reads operands from A j and Bk, s u b t r a c t s t h e
Bk
operand from
t h e Aj operand, and d e l i v e r s t h e r e s u l t t o B i .
The d i f f e r e n c e i s formed in
an
18-bit one's complement mode. If t h e i designator
i s 0,
t h i s becomes a pass
i n s t r u c t i o n .