IDEC SmartAXIS Touch FT1A Series, User Manual

Page: 920 / 1232

5 Script Coding Examples
20-50
SmartAXIS Touch User’s Manual
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Indirect assignment
Script
Operation description
When the value of D20 is 8, the value of LDR18, the device 8 words from LDR10, is read and stored in LDR200.
Script
Operation description
When the value of D20 is 3, the constant 1234 is stored in LDR13, the device 3 words from LDR10.
■
Example 5.7.39 Indirect read
[LDR 200] = OFFSET([LDR 10],[D 20]);
Read
0000 LDR10 0008 D20
+8
1234 LDR18 1234 LDR200
■ Example 5.7.40 Indirect write
OFFSET([LDR 10],[D 20]) = 1234;
Write
0000 LDR10 0003 D20
+3
1234 LDR13 1234