<https://www.electro-tech-online.com/threads/pic16f628-counter.1215/>
<http://schema.org/articleBody>
"Im having trouble creating PIC based counter system :(\r\ni want to count how many button presses (push and release increases counter by 1) was on RA0 and RA1.\r\n\r\ni can write code that counts one push at a time, but there may be cases where one..."
<https://www.electro-tech-online.com/threads/pic16f628-counter.1215/>