Name
Operatio
n
Unit
Mnemonic Operand Function overview
Page
Floating point
Real number
data
Absolute Value
SF, DF FABS (P) S, D
Determines the absolute values of the real
numbers stored in [S], and stores them in
[D].
"P.11-43"
Conversion:
Single-
precision Real
Number Data
→ Double-
precision Real
Number
SF STOD (P) S, D
Converts the single-precision floating point
real number stored in the area starting with
[S] to a double-precision floating point real
number.
"P.11-45"
Conversion:
Double-
precision Real
Number Data
→ Single-
precision Real
Number
DF DTOS (P) S, D
Converts the double-precision floating point
real number stored in the area starting with
[S] to a single-precision floating point real
number.
"P.11-47"
Separation of
Mantissa and
Exponent of
Single-
precision or
Double-
precision Real
Number Data
SF, DF DISF (P)
S, D1,
D2
Separates the floating point real number
data stored in the area starting with [S] into
mantissa and exponent according to the
operation unit [i].
"P.11-49"
Combining of
Mantissa and
Exponent, and
Conversion of
Single-
precision or
Double-
precision Real
Number
SF, DF UNIF (P)
S1, S2,
D
Combines the data of mantissa and
exponent stored in the areas starting with
[S1] and [S2] according to the operation
unit [i].
"P.11-52"
Conversion:
Integer →
Single-
Precision
Floating Point
Real Number
Data
US, SS,
UL, SL
FLT (P) S, D
Converts the integer data stored in [S] to
single-precision floating point real number
data, and stores it in [D].
"P.11-55"
Conversion:
Integer →
Double-
precision Real
Number Data
US, SS,
UL, SL
DFLT (P) S, D
Converts [S] (signed 32-bit integer data) to
real number data, and stores it in [D].
"P.11-58"
Conversion:
Single-
precision
Floating Point
Real Number
Data →
Integer
US, SS,
UL, SL
INT (P) S, D
Converts the single-precision floating point
real numbers stored in [S] to integers
(maximum value cannot be exceeded), and
stores them in [D].
"P.11-61"
1.2 List of High-level Instructions
WUME-FP7CPUPGR-12 1-19
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