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6F3B0253
Basic Hardware and Function 151
7. Instructions
FUN 039
U∗
Unsigned multiplication
Expression
Input −[ A U∗ B → C+1
⋅
C ]− Output
Function
When the input is ON, the unsigned data of A and B are multiplied, and the result is stored in
double-length register C+1
⋅
C. The data range of A and B is 0 to 65535 (unsigned 16-bit data)
Execution condition
Input Operation Output
OFF No execution OFF
ON Execution ON
Operand
Name Device Register Constant Index
X Y R S T. C. XWYWRWSW T C D I J K
A Multiplicand
√√√√√√√√√√ √ √
B Multiplier
√√√√√√√√√√ √ √
C Product
√√√√√√√√ √
Example
When R010 is ON, the data of D0050 is multiplied by the data of RW05, and the result is
stored in double-length register D0101⋅D0100 (upper 16-bit in D0101 and lower 16-bit in
D0100).
If the data of D0050 is 52500 and the data of RW05 is 30, the result 1575000 is stored in
D0101⋅D0100.
D0050 52500
×
D0101⋅D0100 1575000
RW05 30
Note
• This instruction handles the register data as unsigned integer.