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Mnemonic
Operand
Index
Time
Microsec.
Oper. Code
~ h d r e s s Word
-
Description
SLD
K
X
12+
SHIFT L E F T DOUBLE. The contents of r e g i s t e r s A
and Q together a r e shifted left K places, with bits
shifting out of Q into A.
SCA
SCD
12+
SHIFT CIRCULAR A. The contents of r e g i s t e r A a r e
shifted K places to the right in
a
circular fashion.
12+
SHIFT CIRCULAR DOUBLE. The contents of r e g i s t e r s
A and Q together a r e shifted K places to the right in a
circular fashion, with bits shifting out of A into Q and
out of Q into A.
SAN
12+
SHIFT A AND N RIGHT. The contents of r e g i s t e r s A
and N together a r e shifted K places to the right, with
bits shifting out of A into N.
12+
SHIFT N AND A RIGHT. The contents of r e g i s t e r s N
and A together a r e shifted K places to the right, with
bits shifting out of N into A.
12+
SHIFT A INTO N AND Q. The contents of r e g i s t e r A
a r e shifted K places to the right into both r e g i s t e r s N
and Q.
NAQ
NOR
12+
SHIFT N, A, AND Q RIGHT. The contents of r e g i s t e r s
N, A, and Q together a r e shifted Kplaces to the right.
18+
NORMALIZE. The contents of registerA a r e normal-
ized by shifting left and eliminating leading z e r o s up
to K places.
DNO
18+
DOUBLE LENGTH NORMALIZE.
The contents of
r e g i s t e r s A and Q a r e normalized by
a
double shift left
and the elimination of leading z e r o s in register A up
to K places.
Branch
Mnemonic
Operand
Index
Time
Oper. Code
Address
Word
Microsec.
-
BRU
Y
X
6
BRANCH UNCONDITIONALLY. Control i s transferred
to the instruction a t memory location Y.
SPB
Y
X
12
STORE P AND BRANCH. The locationof this SPB in-
struction replaces the contents of index word X and
control
is
then transferred to the instruction a t memory
location Y.
IV-
15
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