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MELSEC-Q
11 INSTRUCTIONS AND FUNCTIONS
The range of integers that can be expressed by 16 bits is from -32768 to 32767,
which are expressed in hexadecimal as follows. If values from -32768 to -1 are specified in
decimal, it is assumed that values from 32768 to 65535 are specified.
Decimal
Hexadecimal
Binary
These are
the same.
65535
32768
32767
0
-1
-32768
FFFF
H
8000
H
7FFF
H
0000
H
FFFF
H
8000
H
1111
1111
1111
1111
1111
1111
1111
1111
1111
1111
0111
1111
1000
0000
0000
0000
1000
0000
0000
0000
0000
0000
0000
0000
to
to
to
to
to
to
to
to
to
Program Example
10 ' This program reads one bit data from the specified array
20 DIM A%(0)
:
'Defines an array
30 A%(0)=&H5F5F
40 FOR I=0 TO 15
:
'Repeats from I = 0 to 15
50 A=RDSET(I,A%(0))
:
'Reads the data
60 PRINT A;
:
'Displays the result
70 NEXT I
RUN
1 1 1 1 1 0 1 0 1 1 1 1 1 0 1 0
OK
REMARK
See the WTSET instruction.