Thanks, Rune!

Here's the binary result from running `xxd -r -p  < output_hex.txt  >
m100.norway.rom`

—b9


On Fri, Jan 23, 2026 at 4:30 AM Rune Devik <[email protected]> wrote:

> Hi
>
> So, attached is the dump of the ROM. The file romdump_real.txt is the
> output from running Clinton's basic script. The output_hex.txt file is my
> creation by extracting all the numbers from the romdump_real.txt file and
> then converting the numbers to hex pairs using python format(int(value),
> '02X')
>
> I was kinda expecting that I would find some version info or some ascii
> text in the rom dump but browsing through it I didn't see anything like
> that in my hex editor.
>
> Anyways, please share any insights you might get when looking at these
> dumps :).
>
> Also back to another of B9's questions: Yes, I have the cassette that came
> with the unit as well but I haven't recorded it yet. Basically because my
> cassette deck I have at hand is not behaving correctly at the moment. I
> haven't had the time to fix it yet. The motor is not running at full speed
> (I have changed the belts) so either caps or the motor itself. The M100
> also came with a Norwegian pamphlet and the full hefty Tandy M100 manual
> (in English). I will try to scan the Norwegian pamphlet and share that on
> arhive.org as well.
>
> Regards,
> Rune Devik
>
> On Fri, Jan 23, 2026 at 11:30 AM Rune Devik <[email protected]> wrote:
>
>> Hi
>>
>> Also verified that
>> * PEEK(63789) returns Year (ones place)
>> * PEEK(63790) returns Year (tens place)
>>
>> Just like the US and UK model in your table.
>>
>> On Fri, Jan 23, 2026 at 11:24 AM Rune Devik <[email protected]> wrote:
>>
>>> Hi
>>>
>>> Unfortunately PEEK(1) returns 167 on my Norwegian model as well. Which
>>> means that it's probably based on the American version and that is also
>>> indicated by the sticker on the back where it says "Custom mfd. in Japan
>>> for Tandy Corporation". But as stated before the date format is DD/MM/YY.
>>>
>>> I'll send the full dump of the ROM as soon as I have had the time to do
>>> it!
>>>
>>> Regards,
>>> Rune Devik
>>>
>>> On Fri, Jan 23, 2026 at 10:34 AM B 9 <[email protected]> wrote:
>>>
>>>> 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
>>>>>
>>>>
>>>
>>> --
>>> mvh,
>>> Rune Devik
>>>
>>
>>
>> --
>> mvh,
>> Rune Devik
>>
>
>
> --
> mvh,
> Rune Devik
>

Attachment: m100.norway.rom
Description: Binary data

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