Re: 1 MB image for VIC-20
Date: 2001-02-16 11:16:06

> Is there a good way of getting the 6821 to a known default state on
> powerup? If it's anything like the 6526 the PIA will be set to all
> inputs and I guess you could just use a couple of pulldown resistors
> to get them all to zero.

Why pulling them to (L)? Why not keeping them (H)? For pulling them (L) 
you'll need a 3K3 per input. And these cause stress the moment you you that 
pin as output. Better pull them (H), using a 100K will do. No stress at all 
when pulling (L).

Groetjes, Ruud

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