I'm no expert, but you've created a
CCP1_INT interrupt, then done this...



Code:
@   INT_ENABLE  INT_INT       ; enable external (INT) interrupts

to my way of thinking (possibly wrong!) it should be this...



Code:
@   INT_ENABLE  CCP1_INT       ; enable CCP1 interrupt

(that's assuming you want to interrupt on CCP1 & not the INT pin?)