Xchg - Omron SYSMAC CP Series Instruction & Reference Manual

XCHG

Instruction
DATA EXCHANGE
Symbol
Applicable Program Areas
Area
Usage
Operands
Operand
E1 First exchange word
E2 Second exchange word
Operand Specifications
Word addresses
Area
CIO WR HR
E1,E2 OK OK OK
Flags
Name
Error Flag
Equals Flag
Negative Flag
Function
XCHG(073) exchanges the contents of E1 and E2.
E1
CP1E CPU Unit Instructions Reference Manual(W483)
Mnemonic Variations
XCHG @XCHG
Step program areas
OK
Description
AR T C DM
OK OK OK OK
Label
P_ER Unchanged
P_EQ Unchanged
P_N Unchanged
E2
Function
code
Exchanges the contents of the two specified
073
words.
XCHG
XCHG(073)
E1: First exchange word
E1
E2: Second exchange word
E2
Subroutines
OK
Indirect DM addresses
Constants
@DM *DM
OK OK ---
Operation
2 Instructions
Function
Interrupt tasks
OK
Data type Size
WORD 1
WORD 1
CF Pulse bits TR bits
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2-121
2