Re: Asteroids Deluxe

Ben Cole wrote:
>
> Dear Vectorlist Gurus,
>
> My Asteroids Deluxe recently started having a little intermittent
> trouble with the buttons. While rotating and thrusting, pressing fire
> will interrupt the rotation of the ship, resulting in no rotate or fire.
> I put in brand new switch contacts but once in a while it will still do
> it. Sometimes it is very often other times once in a great while. I
> double checked the wire harness and connectors and they seem to be
> fine. ( .03 ohms from the switch contacts to the main board and self
> test seems ok, all switches respond )
> Has anyone ever run into this problem? Should I be looking at the inputs
> to the J10 and L10 data/sel/multiplexer, or the IC's ? Intermittent
> fault makes me think wiring, or switches, or main board connector, or
> wire traces on main board.
> Ben Cole

It's been three years since I had a similar problem, so my memory may be
faulty, but check out the POKEY chip. Does it consistently pass self
test? Replace it and see if your problem goes away.

Ray
Received on Mon May 10 10:39:44 1999