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2 Instructions
2-178
CP1E CPU Unit Instructions Reference Manual(W483)
Function
*
*(420) multiplies the signed binary values in Md and Mr and outputs the result to R, R+1.
*L
*L(421) multiplies the signed binary values in Md and Md+1 and Mr and Mr+1 and outputs the result to
R, R+1, R+2, and R+3.
Sample program
×
R + 1
Md
Mr
(Signed binary)
(Signed binary)
(Signed binary)
R
×
R + 1 RR + 3 R + 2
Md + 1 Md
Mr + 1 Mr
(Signed binary)
(Signed binary)
(Signed binary)
0.00
When CIO 0.00 is ON in the following example, D100 and
D110 will be multiplied as 4-digit signed hexadecimal
values and the result will be output to D120 and D121.
*
D100
D110
D120
*L
D100
D110
D120
0.00
When CIO 0.00 is ON in the following example, D101,
D100, D111, and D110 will be multiplied as 8-digit signed
hexadecimal values and the result will be output to D123,
D122, D121 and D120.