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{ * ... BIN 16-bit multiplication
Usable device
Bit device Word device
Con-
stant
Pointer Level
X Y M L SM F T C D R Z K H P N
Digit
desig-
nation
No. of
steps
Index
S1
S2
D
4
Setting data
S2
S1
Multiplication data or No. of device
where multiplication data is stored.
Head No. of device to store
multiplication results.
D
Multiplication data or No. of device
where multiplication data is stored.
Multiplication command
*
*S2S1 D
Function
(1) The BIN data designated with S1 is multiplied by the BIN data designated with S2, and the
multiplication results are stored in the device designated with D.
5678 (BIN) 1234 (BIN) 7006652 (BIN)
*
S1
S2
D
D+1
B15.....................B0
B15.....................B0
B31......B16B15.......B0
(2) -32768 to 32767 (BIN 16-bit) can be designated in S1 and S2.
(3) The positive/negative of the data in S1, S2 and D is determined with the highest-order bit (S1 and
S2 is by B15, D is by B31).
B15/B31
Judgment of
positive/negative
0 Positive
1 Negative