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PROGRAMMING
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Comparison operation instructions
AND-
AND<= ANDs=
OR<>
<=
OR<=
>=
OR>=
LDDo
LDD<= LDD>=
ANDD<> ANDD<=
ANDD>=
ORDo
ORD<= ORD>=
SI
and
52
represent the device numbers which
contains the data to be compared
The comparison operation instructions make numerical magnitude comparisons (such
3s
=,
>>,
<<
etc.) between
two
pieces
of
data. They are handled
as
a
contact, and turn
ON when the preceding condition is true. The application of comparison instructions is
the same as that
of
a contact instruction for the corresponding sequence instruction as
indicated below
LD, LDI (LD
=,
LDD
=),
AND, ANI (AND
=,
ANDD
=),
OR,
OR1
(OR
=,
ORD
=)
There are
36
different types
of
comparison operation, combined in to
6
main groups.
122
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