Here is my interrupt routine:
Interrupt:
if pinC.2=0 then interrupt
sertxd ("Entered Interrupt Routine",cr,lf) 'used to debug if interrupt routine has executed
if ALARM_TOGGLE=1 then 'Alarm Toggle switch is in ON position
serout MP3_Player_TX, t9600_16,($7E,$FF,$06,$0B,$00,$00,$00,$EF)...