Did you send the value from PEEK? That file contains this repeating
sequence:

```
00
01
02
03
04
…
FC
FD
FE
FF
```

Oddly symmetric indeed!

—b9


On Thu, Jan 22, 2026 at 4:39 PM Rune Devik <[email protected]> wrote:

> Hi
>
> After reducing the speed to 1200 bauds I finally managed to dump the rom
> but I think this script dumps the *optional* rom? And not the "main" rom?
> It dumped the data but it seemed strangely symetric when I saw the data
> pass by lie it was repeating itself over and over so not sure there's
> actually any info there. Which makes sense as there is no optional rom
> installed. Or I might be completely wrong and this is it. I could not make
> sense of it in a hex editor either... But this is not my expertise so any
> help appreciated :)
>
> At least the file is exactly the correct size as it should be.
>
> On Thu, Jan 22, 2026 at 7:05 PM Joshua O'Keefe <[email protected]>
> wrote:
>
>>
>> > On Jan 22, 2026, at 7:43 AM, Joshua O'Keefe <[email protected]>
>> wrote:
>> >
>> > I'm fairly sure I've seen software to do this posted here on the list
>> in the past. I'd be willing to bet Stephen A. has something on hand because
>> this is very much his wheelhouse.
>>
>> Curiosity got the better part of me. Stephen does have such a utility
>> posted[1] that ought to work with a USB/RS-232 bridge on the other end. It
>> produces a hex dump rather than binary data, so you might need to poke
>> around for a utility to decode ASCII hex pairs to binary.
>>
>> [1]
>> https://www.club100.org/memfiles/index.php?&direction=0&order=&directory=Steve%20Adolph/ROM2S
>>
>>
>
> --
> mvh,
> Rune Devik
>

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