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T1/T1S User’s Manual
7. Instructions
FUN 122 BC Bit count
Expression
Input
-
[
A
BC
B
]
-
Output
Function
When the input is ON, this instruction counts the number of ON (1) bits of
A
, and stores the result in
B
.
Execution condition
Input Operation Output
OFF No execution OFF
ON Execution ON
Operand
Name Device Re
g
ister Constant Index
X Y R S T. C. XW YW RW SW T C D I J K
A
Source
ÖÖÖÖÖÖÖÖÖÖ Ö
B
Count data
ÖÖÖÖÖÖ
Example
When R020 is ON, the number of ON (1) bits of the register RW032 is counted, and the result is
stored in D0102.
The following figure shows an operation example.
FEDCBA9876543210
RW032 0010011101011000
Counts the number of ON (1) bits = 7
FEDCBA9876543210
D0102 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1
The result data (7) is stored in binary
T1S only
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