Dumping my first EPROM
phb.hfx at gmail.com
Tue Jan 2 13:04:50 CST 2018
I would convert it to a binary image if you could and then look at it
with a binary editor. Most binary editors I have seen show the data in
hex and also have an eye catcher on the right with the ASCII equivalent
to the code points. Trying to find strings in S-records would be a bit
On 2018-01-02 2:56 PM, Brad H via cctalk wrote:
> Just posting this here in case it reaches eyes not in other forums I'm on.
> I decided to embark on a project that involves burning a 2708 EPROM. I've
> never messed with EPROMs before, so I decided to practice. What I have is a
> Microworks 2708 'burner' that came with a SWTPC 6800 machine I have. I
> figured I'd start by learning how to read 2708s.
> I only had one 2708 lying around to use. It was installed on a homebrew
> 'Dynamicro' board (also known as Jon Titus' MMD-1). It's strange because
> the MMD-1 doesn't use 2708s. This board also had a bunch of ICs on it that
> are not what the MMD-1 design calls for. So I thought this'd be an
> interesting EPROM to read anyway, since it might yield a hint as to what the
> builder was doing with this board, or if they were just using it to store
> random ICs.
> Anyway, I fired up the 6800 with the chip in the ZIF socket of the
> Microworks board and read the contents into memory. I then punched it back
> out to my PC terminal as S records. That's as far as I got. I'm wondering
> now how to actually dig into the contents a bit for clues as to what it is.
> I've seen posts in the past from people who were able to find strings, etc
> that sort of help as clues. Does anyone know how I'd go further here?
> Really curious what was on this one.
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