Appendix 5.3.3
This section shows program replacement examples for the instructions of which replacement programs are available
in Page 518, Appendix 5.3.1. (Skip this section if instructions listed in Page 518, Appendix 5.3.1 are not used.)
(1) Replacement example of the IX and IXEND instructions
Since index registers are saved using the ZPUSH instruction, a 23-word index register save area is required.
(a) Example of device assignment
Before replacement
Application
Index modification table
If the device numbers in the example above are used for other applications, assign unused device numbers
instead.
(b) Program before replacement
Program replacement examples
Device
D100 to D115
After replacement
Application
Index modification table
Index register save area
The modification value set in the
index modification table is added.
APPENDICES
Device
D100 to D115
D200 to D222
Modification target
(No change required)
521
A