APPENDIX A DESCRIPTION OF SPD CHART
7. Infinite Loop
If ‘forever’ is set as the condition of WHILE, processing is infinitely executed.
• SPD chart
(WHILE: forever)
Processing
Example To execute main processing repeatedly
(WHILE: forever)
Decodes key
Stores key code to display area
Main processing
8. Connector (GOTO)
Unconditionally branches to a specified address.
• SPD chart
(1) To branch to same module
ERR
(IF: condition)
[THEN]
... GOTO ERR
Processing
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