Double Data Exchange: Xcgl(562) - Omron SYSMAC CJ - REFERENCE MANUAL 01-2008 Reference Manual

Data Movement Instructions
Description
Flags
Example

3-8-11 DOUBLE DATA EXCHANGE: XCGL(562)

Purpose
Ladder Symbol
Area
Indirect DM/EM
addresses in BCD
Constants
Data Registers
Index Registers
Indirect addressing
using Index Registers
XCHG(073) exchanges the contents of E1 and E2.
Name
Error Flag ER
Equals Flag =
Negative Flag N
Note In CS1-H, CJ1-H, CJ1M, and CS1D (for Single-CPU System) CPU Units,
these Flags are left unchanged.
In CS1 and CJ1 CPU Units, these Flags are turned OFF.
When CIO 000000 is ON in the following example, the content of D00100 is
exchanged with the content of D00200.
Exchanges the contents of a pair of consecutive words with another pair of
consecutive words.
XCGL(562)
E1
E2
E1
*D00000 to *D32767
*E00000 to *E32767
*En_00000 to *En_32767
(n = 0 to C)
---
DR0 to DR15
---
,IR0 to ,IR15
–2048 to +2047, IR0 to –2048 to +2047, IR15
DR0 to DR15, IR0 to IR15
,IR0+(++) to ,IR15+(++)
,–(– –) IR0 to, –(– –) IR15
E1
Label
Unchanged (See note.)
Unchanged (See note.)
Unchanged (See note.)
E1: First exchange word
E2: Second exchange word
Section 3-8
E2
E2
Operation
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