Omron CJ1M-CPU series

108
Floating-point Math Instructions Section 3-13
3-13 Floating-point Math Instructions
Instruction
Mnemonic
Code
Symbol/Operand Function Location
Execution
condition
FLOATING TO
16-BIT
FIX
@FIX
450
Output
Required
FLOATING TO
32-BIT
FIXL
@FIXL
451
Output
Required
16-BIT TO
FLOATING
FLT
@FLT
452
Output
Required
32-BIT TO
FLOATING
FLTL
@FLTL
453
Output
Required
FLOATING-
POINT ADD
+F
@+F
454
Output
Required
FLOATING-
POINT
SUBTRACT
–F
@–F
455
Output
Required
S: 1st source
word
R: Result word
FIX(450)
S
R
Converts a 32-bit floating-point value to 16-bit signed binary data and places
the result in the specified result word.
S+1 S
R
Floating-point data
(32 bits)
Signed binary data
(16 bits)
S: 1st source
word
R: 1st result word
FIXL(451)
S
R
Converts a 32-bit floating-point value to 32-bit signed binary data and places
the result in the specified result words.
S+1 S
Floating-point data
(32 bits)
Signed binary data
(32 bits)
R+1 R
S: Source word
R: 1st result word
FLT(452)
S
R
Converts a 16-bit signed binary value to 32-bit floating-point data and places
the result in the specified result words.
R+1
R
S
Floating-point data
(32 bits)
Signed binary data
(16 bits)
S: 1st source
word
R: 1st result word
FLTL(453)
S
R
Converts a 32-bit signed binary value to 32-bit floating-point data and places
the result in the specified result words.
R+1 R
S
Floating-point data
(32 bits)
Signed binary data
(32 bits)
S+1
Au: 1st augend
word
AD: 1st addend
word
R: 1st result word
+F(454)
Au
Ad
R
Adds two 32-bit floating-point numbers and places the result in the specified
result words.
R+1 R
Au
Augend (floating-point
data, 32 bits)
Au+1
Ad
Addend (floating-point
data, 32 bits)
Ad+1
Result (floating-point
data, 32 bits)
+
Mi: 1st Minuend
word
Su: 1st
Subtrahend word
R: 1st result word
–F(455)
Mi
Su
R
Subtracts one 32-bit floating-point number from another and places the result
in the specified result words.
R+1
R
Mi
Minuend (floating-
point data, 32 bits)
Mi+1
Su
Subtrahend (floating-
point data, 32 bits)
Su+1
Result (floating-
point data, 32 bits)
–