hi,
i am working with 8051 interrupt. but when i am using the pin no.p3.2 for the int0 interrupt it will not functioning as i want means it can't recognise the falling edge.
my program is like that.
.org 0000h
sjmp main
.org 0003h
acall disp
reti
main: mov sp,#30h
setb tcon.0
mov ie,#81h
here: sjmp here

disp:
clr p1.0
acall delay
setb p1.0
acall delay
ret
delay:
mov r2,#0ffh
d1: djzn r2,d1
ret

please reply soon.
bye.