NAiS FP Series - Page 312

FPΣ
13.8 Table of Instructions
13 - 63
No. Name Boolean Operand Description Steps
F322 Floating-point
type data
logarithm
LOG S, D LOG (S+1, S) → (D+1, D) 10
F323 Floating-point
type data
power
PWR S1, S2, D
(S1+1, S1) (S2+1, S2) → (D+1, D)
14
F324 Floating-point
type data
square root
FSQR S, D
(S+1, S) → (D+1, D)
10
F325 16-bit integer
data to
floating-point
type data
conversion
FLT S, D Converts the 16-bit integer data with sign specified by
“S” to real number data, and the converted data is
stored in “D”.
6
F326 32-bit integer
data to
floating-point
type data
conversion
DFLT S, D Converts the 32-bit integer data with sign specified by
(S+1, S) to real number data, and the converted data is
stored in (D+1, D).
8
F327 Floating-point
type data to
16-bit integer
conversion(the
largest integer
not exceeding
the floating-
point typedata)
INT S, D Converts real number data specified by (S+1, S) to the
16-bit integer data with sign (the largest integer not
exceeding the floating-point data), and the converted
data is stored in “D”.
8
F328 Floating-
point type data
to 32-bit
integer conver-
sion (the
largest integer
not exceeding
the floating-
point typedata)
DINT S, D Converts real number data specified by (S+1, S) to the
32-bit integer data with sign (the largest integer not
exceeding the floating-point data), and the converted
data is stored in (D+1, D).
8
F329 Floating-
point type data
to 16-bit inte-
ger conversion
(rounding the
first decimal
point down to
integer)
FIX S, D Converts real number data specified by (S+1, S) to the
16-bit integer data with sign (rounding the first decimal
point down), and the converted data is stored in “D”.
8
F330 Floating-
point type data
to 32-bit inte-
ger conversion
(rounding the
first decimal
point down to
integer)
DFIX S, D Converts real number data specified by (S+1, S) to the
32-bit integer data with sign (rounding the first decimal
point down), and the converted data is stored in (D+1,
D).
8