Re: Atari Cat boxes

From: Anders Knudsen <andersk_at_btc.adaptec.com>
Date: Wed Dec 31 1997 - 12:24:02 EST

On Wed, 31 Dec 1997, fishd wrote:
> I sent the EPROM image to Al a few months ago to have put up on
> TANT. Unfortunately, I don't think TANT is still around so I'm will
> attach the 'bin' file to this e-mail (hope it makes it).
>
> Reproducing the boards may be a bit pricey; there are two 7 1/2" X 11"
> PCB's sandwiched together, the top board has mounted to it the 16
> button key-pad, six 7-segment LED displays, eight red T-1 3/4 LEDs, three
> pushbuttons, 11 toggle switches, three BNC connectors, a power switch,
> a fuse holder and an AC cord socket (Phwew!). The bottom board has the
> CPU, MEM and logic. I'm guessing that the 'Interface' board really
> can't be shrunk or altered that much unless all the components listed
> above get hand-wired' so your still dealing with a fairly large board ($$$).
>
> Good Luck, here's the image to get you started.
>

Cool. I just disasembled the bin file and am checking out the code right
now. It looks like the "firmware" rom sits at 6000h. It is not very long.
The code only fills 68Fh bytes (minus the reset and interrupt vectors).
Now who has a schematic of the catbox they want to cough up???

+------------------------------------------+
| Anders Knudsen
| ASIC Design Engineer
| Adaptec, Inc., Boulder Technology Center
+------------------------------------------+
Received on Wed Dec 31 09:25:36 1997

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