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Mitsubishi Electric MELSEC iQ-R Series - Page 250

Mitsubishi Electric MELSEC iQ-R Series
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248
6 BASIC INSTRUCTIONS
6.2 Arithmetic Operation Instructions
Processing details
These instructions subtract the 32-bit binary data in the device specified by (s) from the 32-bit binary data in the device
specified by (d) and, and store the operation result in the device specified by (d).
If an underflow occurs in the result, the carry bit is ignored. In this case, SM700 does not turn on.
Operation error
There is no operation error.
[D-(P) instruction]
[D-(P)_U instruction]
b0
567890 (BIN)
(d)
123456 (BIN) 444434 (BIN)
-
··· ···
(d)+1
(s)
(s)+1
(d)
(d)+1
b31 b16 b15
b0
··· ···
b31 b16 b15
b0
··· ···
b31 b16 b15
b0
1234567890 (BIN)
(d)
-987654321 (BIN) 74738564 (BIN)
-
··· ···
(d)+1
(s)
(s)+1
(d)
(d)+1
b31 b16 b15
b0
··· ···
b31 b16 b15
b0
··· ···
b31 b16 b15
b0
-1234567890 (BIN)
(d)
987654321 (BIN) -74738563 (BIN)
-
··· ···
(d)+1
(s)
(s)+1
(d)
(d)+1
b31 b16 b15
b0
··· ···
b31 b16 b15
b0
··· ···
b31 b16 b15
b0
3456789012 (BIN)
-1234567890 (BIN) 396389607 (BIN)
-
··· ···
b31 b16 b15
b0
··· ···
b31 b16 b15
b0
··· ···
b31 b16 b15
(d)
(d)+1
(s)
(s)+1
(d)
(d)+1

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