interrupt

[philipsi]

how to use interrupt on change on port b in BASIC? if there are four buttons connected to RB4-RB7 and also OR to RB0, if interrupt occurs, how to check which button is pressed?i really have great nightmare with this feature and my project gets stuck because of this.can anyone help me pleas

 

[Exo]

if interrupt occurs, how to check which button is pressed?

Inside the interrupt routine simply poll RB4 - RB7 like you do with any normal input inside your software.

something like this (for picbasic pro):

IF PORTB.4 = 1 THEN
;do something
ENDIF