Re: Space Wars Rom Problems

From: Paul Sommers <rgvac_aust_at_dingoblue.net.au>
Date: Mon Feb 05 2001 - 15:05:51 EST

Peter,

The roms had the following markings:

7820D
C28277M
2147

7820D
C28276M
2148

The MAME roms are labelled L1 and R2 - these don't match the board positions
but I've tried them both ways.

Thanks
Paul

peter jones wrote:
>
> -----Original Message-----
> From: Paul Sommers <rgvac_aust@dingoblue.net.au>
> To: vectorlist@synthcom.com
> Date: Mon, 05 Feb 2001 20:28:44 +1100
> Subject: VECTOR: Space Wars Rom Problems
>
> > Gang,
> >
> > My earlier post didn't come back to me so I don't know whether you got it or
> > not however...
> >
> > Fixing my Space Wars one rom had most data lines held low - the second rom was fine.
> >
> > I burnt two 2716's and fitted them in sockets. However now neither rom has
> > data lines working... in fact no signal on them at all. Address lines are fine.
> >
> > I have a feeling this is to do with the fact that they were masked roms, but I
> > had no trouble replacing masked roms with 2716's before.
> >
> > Any idea how to get the roms to run?
> >
> > Thanks
> > Paul
> > ---------------------------------------------------------------------------
>
> That was a pretty useless post!
>
> post again and include all the markings & numbers on the masked roms.
>
> i think i know the problem but i want to be sure.
>
> L8r.
>
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Received on Mon Feb 5 15:16:07 2001

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