Omron SYSMAC CJ - REFERENCE MANUAL 08-2008

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Instruction Functions Section 2-2
2-2-14 Double-precision Floating-point Instructions
The Double-precision Floating-point Instructions are supported only by the
CS1-H, CJ1-H, CJ1M, or CS1D CPU Units.
Instruction
Mnemonic
Code
Symbol/Operand Function Location
Execution
condition
Page
DOUBLE FLOAT-
ING TO 16-BIT
BINARY
FIXD
@FIXD
841
Converts the specified double-precision floating-point data (64 bits) to 16-
bit signed binary data and outputs the result to the destination word.
Output
Required
657
DOUBLE FLOAT-
ING TO 32-BIT
BINARY
FIXLD
@FIXLD
842
Converts the specified double-precision floating-point data (64 bits) to 32-
bit signed binary data and outputs the result to the destination words.
Output
Required
658
16-BIT BINARY
TO DOUBLE
FLOATING
DBL
@DBL
843
Converts the specified 16-bit signed binary data to double-precision float-
ing-point data (64 bits) and outputs the result to the destination words.
Output
Required
660
32-BIT BINARY
TO DOUBLE
FLOATING
DBLL
@DBLL
844
Converts the specified 32-bit signed binary data to double-precision float-
ing-point data (64 bits) and outputs the result to the destination words.
Output
Required
661
DOUBLE FLOAT-
ING-POINT ADD
+D
@+D
845
Adds the specified double-precision floating-point values (64 bits each)
and outputs the result to the result words.
Output
Required
663
FIXD(841)
S
D
S: 1st source
word
D: Destination
word
FIXLD(842)
S
D
S: 1st source
word
D: 1st destination
word
DBL(843)
S
D
S: Source word
D: 1st destination
word
DBLL(844)
S
D
S: 1st source
word
D: 1st destination
word
+D(845)
Au
Ad
R
Au: 1st augend
word
Ad: 1st addend
word
R: 1st result word