Quote Originally Posted by sayzer View Post
If these changes made no difference, then you have an issue with your inputs.

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I don't know... the signals on the ports are TTL level, so it is pretty definite if it is a high or low on the port.

I have been digging around the code, and actually looked at the Assemble that PBP creates. After you work through all the macros and stuff some of the commands are LONG. A while loop command can be well over 20 instructions depending on the logical operator used. This sort of explains why the my code does not work when I use while:wend combinations. 20 instructions on the 18F8722 at 20MHz takes like 4uS to excicute... seeing how the signal I am looking for is only there 1 uS I can see how it will miss it...