Ok. You got me wondering if I was mistaken, so I've taken mine apart
again. It has 2 40pin chips, U2 and U3.
With further inspection, U3 appears to be the TIA, and U2 both the PIA and
the 6502.
Mark
On Sat, 17 Nov 2001, dboris wrote:
> There must have been more then one version of the Gemini. The one I have has
> three chips, the stock 6507, and 6532 and a 40 pin chip with Coleco's name
> on it which must be thier TIA clone.
>
> Dan
>
> > -----Original Message-----
> > From: owner-stella@xxxxxxxxxxx [mailto:owner-stella@xxxxxxxxxxx]On
> > Behalf Of Mark De Smet
> > Sent: Saturday, November 17, 2001 12:36 PM
> > To: stella@xxxxxxxxxxx
> > Subject: Re: [stella] Midified VCS...
> >
> >
> >
> > No. A Gemini is a 2 chip solution. Both are asics. I don't recall
> > exactly what I figured when I was looking at it, but I think they
> > integrated the graphics portion of the tia with the 6502 core
> > in one chip,
> > and the PIA and the I/O poriton of the tia in the other.
> >
> > Mark
> >
> > On Sat, 17 Nov 2001, Glenn Saunders wrote:
> >
> > > At 02:36 AM 11/17/2001 -0500, you wrote:
> > > >Easy. They bought machines and took the chips from them.
> > Same thing I did
> > > >before I finally broke down and bought chips from Best. I
> > mean...you have
> > > >to engineer the entire system anyway.
> > >
> > >
> > > You mean every Gemini is actually the result of a cannibalized 2600?
> > >
> > >
> > >
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