Re[2]: VECTOR: Cocktail BZ

-----Original Message-----
From: Peter Pan <[email protected]>
To: [email protected]
Date: Sun, 10 Jul 2005 09:03:05 +0100 (BST)
Subject: Re: VECTOR: Cocktail BZ

> 
> 
> > i'll look at that, it could be that the missing
> > circuit that flips the controls/video is controlled
> > by a signal that normally is used for sound.
>  
> > afterall, the pokey chips do contain the
> > inputs/outputs and audio in the same chip.
> 
> It's the program logic, at one point there are two
> flags on the stack and they're popped in the wrong
> order. This only happens if a two player game is
> available.
> 
> Pete.

maybe the romset was corrupt,

but the first thing is to look for something that happens between player1 and player2 that could be switching the panels.

damaged code may be repairable by comparing the routines against the upright sets.