Re: BZ problem

-----Original Message-----
From: "Rosenzweig, Joel B" <joel.b.rosenzweig@intel.com>
To: "'vectorlist@synthcom.com'" <vectorlist@synthcom.com>
Date: Mon, 2 Apr 2001 05:59:30 -0700
Subject: VECTOR: BZ problem

>
> My BattleZone plays great and as far as I can tell, passes the self test.
> It has one problem that I am aware of. When the player gets to enter his
> initials at the end of the game by pushing or pulling the stick, it has no
> effect on the letter that is chosen. Instead, the letter advances to the
> next one in the alphabet, constantly, regardless of how the stick is
> positioned. It does not affect anything if I push the stick back and forth.
> My first impression was that the switch might be stuck in the up position,
> but it works normally in game play mode. So then I figured that the Pokeys
> might be to blame, so I replaced those. No difference. Does anyone know
> what it is, off hand? I have not yet taken the time to try to examine the
> signals on the board, so I'll do that next. I just figured someone might
> know off the top of their head and save me a little time.
>
> Thanks for your help!
> Joel-
>

check the eproms, NOT WITH TESTMODE - USE AN EPROM PROGRAMMER AND COMPARE THE CHECKSUMS WITH MAME!

---------------------------------------------------------------------------
** To UNSUBSCRIBE from vectorlist, send a message with "UNSUBSCRIBE" in the
** message body to vectorlist-request@synthcom.com. Please direct other
** questions, comments, or problems to neil@synthcom.com.
Received on Mon Apr 2 23:25:15 2001