> work correctly but it look weird, so would it be better to leave 1
> as high, and connect to LEDs to ground? If i don't change
> anything it works, but instead of turning LEDs on, the default is
> all 4 on, and turns 1 off in

Doesn't really make a lot of difference. The PIC pins can sink or
source about the same current. You might find it easier to work
with non-inverted logic, ie BSF for on, BCF for off, in which case
the LEDs can go to ground and you drive them

TRIS registers set ports as inputs after reset. I should think an
LED may be enough of a pull-down that you may not see a very
brief flash before you explicitly set TRIS, although I've never
actually looked

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