Table data processing instructions, Swap, Applicable program areas operands – Omron SYSMAC CP CP1E-N@@D@-@ User Manual
Page 289: Flags, 2 instructions, N: number of words, R1: first word in range, Operand specifications
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2 Instructions
CP1E CPU Unit Instructions Reference Manual(W483)
T
a
b
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Data Pr
ocessing
In
stru
ctio
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2
SW
AP
Table Data Processing Instructions
SWAP
Applicable Program Areas
Operands
N: Number of words
N specifies the number of words in the range and must be 0001 to FFFF hexadecimal (or &1 to
&65,535).
R1: First word in range
Note R1 and R1+(N-1) must be in the same data area.
Operand Specifications
Flags
Instruction
Mnemonic
Variations
Function
code
Function
SWAP BYTES
SWAP
@SWAP
637
Switches the leftmost and rightmost bytes in all of
the words in the range.
Symbol
SWAP
Area
Step program areas
Subroutines
Interrupt tasks
Usage
OK
OK
OK
Operand
Description
Data type
Size
N
Number of words
UINT
1
R1
First word in range
UINT
Variable
Area
Word addresses
Indirect DM addresses
Constants
CF
Pulse bits
TR bits
CIO
WR
HR
AR
T
C
DM
@DM
*DM
N
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
---
---
---
R1
---
Name
Label
Operation
Error Flag
P_ER
• ON if the N is 0.
• OFF in all other cases.
N: Number of words
R1: First word in range
SWAP(637)
N
R1
R1
R1+(N–1)
15
0
8 7
to
to
to
Leftmost byte Rightmost byte