RCA 301 Programmer's Reference Manual page 207

OF INSTRUCTIONS (Continued)
w w
STA STA
Yes
(Store
A only)
•
Set Set
STP STP
PRI's PRI's Repeat Repeat
Yes
Yes
Controls the Read Error
Sense Enhancement
Program Control Switch
for 381 Tape Stations
Yes
Yes Yes
Operation right to left.
PRN is set if the result is
all zeros, otherwise PRP
is set
Yes Operation right to left
Remarks Remarks A Register
(A)r = (A)i
(A)r = (A)i
(A)r = (A),
(A), = (A),
(A)r = HSM address one
to the left of MSD in result
(A)r = HSM address one
to the left of MSD in result
(A) r — (A) i - 2, if B, P.
S, or U are stored. (A) t =
(A) r of previous instruc­
tion if A is stored
(A) r = (A)
i
zero
Final Register Contents
B Register
(B)t = (B)
i
(B)r = (B)
i
(B), = (B),
(B)r = (B)
i
(B), = (B),
(B)r = (B) i
(B = HSM address one to
) r
the left of MSD in second
operand
(B = HSM address one to
) r
the left of MSD in second
operand
(B ( B),, if P,
) r =
are stored. (B
previous instruction if A or
B Register is stored
if N equals
(B )r = (B) i if
zero
or
S , U
)r =(B) of
f
N equals
C-8