351
Data Movement Instructions
Section 3-8
Description
XCHG(073) exchanges the contents of E1 and E2.
Flags
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.
Example
When CIO 000000 is ON in the following example, the content of D00100 is
exchanged with the content of D00200.
3-8-11 DOUBLE DATA EXCHANGE: XCGL(562)
Purpose
Exchanges the contents of a pair of consecutive words with another pair of
consecutive words.
Ladder Symbol
Indirect DM/EM
addresses in BCD
*D00000 to *D32767
*E00000 to *E32767
*En_00000 to *En_32767
(n = 0 to C)
Constants
---
Data Registers
DR0 to DR15
Index Registers
---
Indirect addressing
using Index Registers
,IR0 to ,IR15
–2048 to +2047, IR0 to –2048 to +2047, IR15
DR0 to DR15, IR0 to IR15
,IR0+(++) to ,IR15+(++)
,–(– –) IR0 to, –(– –) IR15
Area
E1
E2
E2
E1
Name
Label
Operation
Error Flag
ER
Unchanged (See note.)
Equals Flag
=
Unchanged (See note.)
Negative Flag
N
Unchanged (See note.)
XCGL(562)
E1
E2
E1
: First exchange word
E2
: Second exchange word
Summary of Contents for SYSMAC CS1D-CPU**
Page 3: ...iv...
Page 29: ...xxx...
Page 185: ...146 List of Instructions by Function Code Section 2 4...
Page 1389: ...1350 CJ series Instruction Execution Times and Number of Steps Section 4 2...
Page 1390: ...1351 Appendix A ASCII Code Table ASCII SP Four leftmost bits Four rightmost bits...
Page 1391: ...1352 ASCII Code Table Appendix A...