----- Original Message -----
From: "Jinx" <joecolquitt@CLEAR.NET.NZ>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Friday, November 29, 2002 9:23 PM
Subject: Re: [PIC]: First ASM problems


> > 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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