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2 Instructions
CP1E CPU Unit Instructions Reference Manual(W483)
Floating-point Math
Instructions
2
FLT/FLTL
FLT/FLTL
Applicable Program Areas
Operands
Operand Specifications
Flags
Instruction Mnemonic Variations
Function
code
Function
16-BIT TO FLOATING FLT @FLT 452
Converts a 16-bit signed binary value to 32-bit
floating-point data and places the result in the
specified result words.
32-BIT TO FLOATING FLTL @FLTL 453
Converts a 32-bit signed binary value to 32-bit
floating-point data and places the result in the
specified result words.
Symbol
FLT FLTL
Area Step program areas Subroutines Interrupt tasks
Usage OK OK OK
Operand Description
Data type Size
FLT FLTL FLT FLTL
S First source word INT DINT 1 2
R First result word REAL REAL 2 2
Area
Word addresses Indirect DM addresses
Constants CF
Pulse
bits TR bits
CIO WR HR AR T C DM @DM *DM
S
OK OK OK OK OK OK OK OK OK
OK
--- --- ---
R ---
Name Label Operation
Error Flag P_ER OFF
Equals Flag P_EQ • ON if both the exponent and mantissa of the result are 0.
• OFF in all other cases.
Negative Flag P_N • ON if the result is negative.
• OFF in all other cases.
S: Source word
R: First result word
FLT(452)
S
R
S: First source word
R: First result word
FLTL(453)
S
R