RE: Sega G-80/Cinematronics Multigame Soundboard

From: Jenison Mark-QA3578 <Mark.Jenison_at_motorola.com>
Date: Tue Feb 27 2001 - 15:22:10 EST

> > Serious question: This would be just the sound effects, not
> > the speech,
> > correct ? I recall a discussion that making a 'multi-speech'
> > board was
> > really just making a bank-switched ROM for the existing board.
> >
>
> I really wish it was that simple, it would have saved alot of time
> and effort... errr... I mean it will save someone alot of time and
> effort. The speech data is not formatted the same in every game,
> Space Fury and Astro Blaster share the same format but it's different
> for Star Trek and Zektor, hence, the different code in EPROM #808B vs.
> EPROM #1607. Simple bank switching of the SP0250 data doesn't work.
> You would have to bank switch the CODE also, kinda kludgy.

I don't get it. I thought bank-switching the ROMS would be just like pulling out one set of EPROMS and putting in another set of EPROMS (which works just fine on speech boards). Wouldn't you just need to bank switch 4 separate EPROMS?

-- 
Mark Jenison
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Received on Tue Feb 27 15:33:21 2001

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