FAQ: What are some possible remedies if the #ININT (Input Interrupt) special label does not work?
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The #ININT special label routine requires the "II" Input Interrupt command somewhere at the top of the program, in the initialization section to execute properly. The #ININT label will not execute unless it has been configured.
An active low interrupt requires a setting such as II2. An active high input on input 4, for example, requires the command II,,,4 (Check the "II" command page in the manual for more details.)
Attached is a template program. It documents all the special labels and discusses the 3 methods that can be used to resume after an interrupt. You must use the RI command, which restores the interrupt configuration (II) and returns to the program location where the interrupt first occurred. OTHERWISE, use ZS to clear the stack, re-issue the II command just as it was in the initialization section, and use the JP command to have the program. Usually this is the main program loop.
It is very important to use either the RI command or re-issue the II command, because the interrupt will not execute again until either of those commands have been executed.
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