Re: [stella] 6532 port A input only?

Subject: Re: [stella] 6532 port A input only?
From: Adam Wozniak <adam@xxxxxxxxxxxxxxxx>
Date: Thu, 22 Apr 2004 10:17:48 -0700 (PDT)
On Fri, 23 Apr 2004 happy_dude@xxxxxxxxxxxxx wrote:
> Adam Wozniak wrote:
> > Do any games or controllers configure the 6532 (RIOT) port A pins
> > as outputs, or are they always used input only?
> >
> > I suspect the various development tools that use the game controller
> > ports as serial ports must configure port A pins as outputs, but does
> > anything ELSE do this?
> Combat does this. The original design of the 2600 had a L.E.D on the 
> controller. For some reason the L.E.D's where never included but the code to 
> flash them is still in there ;-)


When do they flash?

"The dinosaurs are not around today because they did not have a space program."
  -- Arthur C. Clarke

Archives (includes files) at
Unsub & more at

Current Thread