Precautions
(d)+1 and (d)+2 for the ZPUSH(P) instructions are used for the system. Do not change the values.
The Z and LZ save types stored in the area specified by (d) and later are also used for the system. Do not change the values.
Changing the values may cause malfunction of the module.
Operation error
Error code
Description
(SD0)
3405H
An out-of-range value is set to (s).
• The specified value is other than 1 to 3.
• When the number of index register points is 0, 2 is specified.
• When the number of long index register points is 0, 3 is specified.
The value stored in the system-reserved area in the area specified by (d) has been changed.
7 APPLICATION INSTRUCTIONS
854
7.11 Index Register Instructions