3. Instructions
514
CS/CJ/NSJ Series Instructions Reference Manual (W474)
MOVF
Applicable Program Areas
Operands
z Operand Specifications
Flags
Function
MOVF(469) outputs the single-precision floating-point number (32-bit source data in IEEE754 format)
from source words S+1 and S to destination words D+1 and D.
Example Programming
Instruction Mnemonic Variations
Function
code
Function
MOVE FLOATING-POINT
(SINGLE)
MOVF @MOVF 469
Transfers the specified 32-bit floating-point num-
ber to the destination words.
Symbol
MOVF
Area
Function block
definitions
Block program areas Step program areas Subroutines Interrupt tasks
SFC action or
transition programs
Usage OK OK OK OK OK OK
Operand Description Data type Size
S First source word
REAL 2
D First destination word REAL 2
Area
Word addresses
Indirect DM/EM
addresses
Con-
stants
Registers Flags
Pulse
bits
TR
bits
CIO WR HR AR T C DM EM
@DM
@EM
*DM
*EM
DR IR
Indirect
using IR
TK CF
S
OK OK OK OK OK OK OK OK OK OK
OK
--- --- OK --- --- --- ---
D ---
Name Label Operation
Error Flag P_ER OFF
Equals Flag P_EQ • ON if the source data is 0.
• OFF in all other cases.
Negative Flag P_N • ON if the source data is negative.
• OFF in all other cases.
D: First destination word
MOVF(469)
S
D
S: First source word
D+1 D
S
S+1
Source words
Destination words
MOVF
+3.0
W0.00
When input condition W0.00 is ON, the content of D0 and D1 (+3.0)
is stored in floating-point format (IEEE754 format).
#4040 #0000
D0
D1
D0
Equivalent to +3.0 in floating-point format
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