New C18 3.0+ Compatible FRC Code

[Guy Davidson]

Originally Posted by Alan Anderson

Digital inputs 3-6 all go together to a third interrupt circuit, and automatically cause an interrupt on any input transition. There's only one flag to say that "something changed" on those pins. In order to determine which of the four inputs is responsible, the software has to do its own bookkeeping to compare the previous input state against the present one.

This makes sense. Thank you. I'll try using some of them soon, hopefully the ISRs in Kevin's code work as-is and then the difference won't really matter to me.