Quote Originally Posted by Ioannis View Post
C/O Darrel:

While trying to develop my project using your interrupts, I stuck on, I think for sure, stupid one. The attached sample code does not respond to PORTB.0 interrupt. Is there any mistake I 've made and can't see?

Ioannis
Possibly...

OPTION_REG = $81 ; Set TMR0 Prescaler to /2, RBPU on

The comment says RBPU on, but it's actually leaving the pull-ups turned off.
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