Re: [stella] SRAM cart for 2600?

Subject: Re: [stella] SRAM cart for 2600?
From: "Maximiliam Luppe" <maxluppe@xxxxxxxxxxxx>
Date: Mon, 28 May 2001 21:07:41 -0300
Hi, every body. I finished the 4KCart schematic for any 8k*8 SRAM (with 28
pins). It can be found at:

A modified version for 32k*8 SRAM (28 pins) can be found at:

It's possible to store eight 4k games in the 32k*8 SRAM. Just add 2 new
switch to the lines A13 and A14 of the SRAM (just like line A12). You can
use the two inverters of the 74HC14 that are unused. Good Luck.


-----Mensagem Original-----
De: "Gonzalo" <horcas@xxxxxxxxxxxxxxxxxx>
Para: <stella@xxxxxxxxxxx>
Enviada em: Quinta-feira, 26 de Abril de 2001 03:17
Assunto: RE: [stella] SRAM cart for 2600?

> > Once I get it
> > working, I will be creating a web site documenting the process, and I
> clean
> > up these schematics a little, etc. Thanks!
> I'll be waiting for it! I'm trying to build the SRAM cart too, I have the
> chips (SRAM HM6264LP-70 8K*8 included)... and spent $8.91 for it (dollars)
> so I really hope it works...
> The SRAM cost $3.9095, it's not too much. My idea was to get a
> but it will cost $100 exactly to me (shipping and stuffs), so the SRAM
> will be a good deal if it works.
> Next step is to make the PCBs (hard to design) and I have the same
> you have about unlabeled parts.
> Good Luck for you!
> -
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