GE DATANET-30 System Manual page 85

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MNEMONIC
SR6
CLl
CRl
CL6
CR6
SLS
SRS
BCO
OPERAND
FROM, TO
FROM, TO
FROM, TO
FROM, TO
FROM, TO
FROM, TO
FROM, TO
WORD TIMES
1
1
1
1
1
1
1
DESCRIPTION
SHIFT RIGHT SIX. In going from Y to Z, the
data is shifted right six positions. The six
low-order bits are lost and zeros go into the
six high-order positions.
CIRCULATE LEFT ONE. In going from
Y
to
Z, the data is circulated left one position.
The high-order bit goes into the low-order
positions; no bits are lost.
CIRCULATE RIGHT ONE. In going from
Y
to Z, the data is circulated right one position.
The low-order bit goes into the high-order
position; no bits are lost.
CIRCULATE LEFT SIX. In going from Y to
Z, the data is circulated left six positions.
The six high-order bits go into the six low-
order positions; no bits are lost.
CIRCULATE RIGHT SIX. In going from Y to
Z, the data is circulated right six positions.
The six low-order bits go into the six high-
order positions; no bits are lost.
SHIFT LEFT SPECIAL. This instruction is
an SLl instruction with one added function -
Z0l=Bl8.
SHIFT RIGHT SPECIAL. This instruction is
an SRl instruction with one added function -
Zl8=A01.
FROM~l8
21 :
Y
AOl
,..._ .... \ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ---i\-.1 \_.LOZST
TO
1817
--~~~~~~~~~~~~~~~~~---'
FROM, TO
1
BIT CHANGE ZERO.
This is a special
customer-oriented instruction, for use with
eight-level Teletype data.
In going from Y
to Z, the data is rearranged from the eight-
level Teletype format used on a transmission
line to the six-bit alphanumeric format used
in computers.
The other
two bits, the
parity and control bits, are put in the CB 1
and CB 3 Flip-Flops.
[ID£1J&~~1Jc:J ~@------------
-76-

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