VECTORLIST - The Mailing List For The Technical Discussion of Vector-Based Arcade Games

November_1997
Re: Audio Reg on Tempest or Gravitar


From:
Date: Tue Nov 04 1997 - 14:17:59 CST


On Tue, 4 Nov 1997, Joel Rosenzweig wrote:

> Tempest uses an Audio Reg II, so if that's what you need, you'll be all
> set. I'm not familiar with the hack that you're referring to, but
> Asteroids and Asteroids Deluxe operate off the exact same voltages, so
> I'm surprised that it says you need the more advanced power supply.
> What does Ray do with this supply?
>

        The problem is that Asteroids Uses a Reg/Audio I board, and
Asteroids Deluxe uses a Reg/Audio II board. The gains of the
audio amplifiers on those boards are different, and it has to be hacked to
get them to both operate at the same volume.

Joe


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