Oops sorry the program I sent dumps ROM and RAM. Line 140 for a=0to65535
should be 140 for a=0to32767 for just ROM. C On Fri, Jan 23, 2026 at 1:56 AM B 9 <[email protected]> wrote: > If I remember rightly, the ROM in the Model 100 is simply all the memory > addresses from 0 to 32767. You can read them using PEEK in a FOR loop and > write them (as ASCII) to the serial port. > > But, of all those myriad bytes, I’m most curious about PEEK(1) as that’s > the one that gives you a general sense of what machine you’re running. If > it is equal to 225, the code for the original Kyocera Kyotronic KC-85, then > the date algorithm I wrote would already work as the Japanese also use the > DD/MM/YY format. There’s some discussion on the bug reports I filed: kbd > buffer <https://github.com/bgri/m100LE/issues/40#issuecomment-1302636101> > and date formats > <https://github.com/bgri/m100LE/issues/16#issuecomment-1209656653>). > Here’s a summary of what I believe so far: > Model DATE$ format ID in PEEK(1) Year > (ones place) Year > (tens place) > Kyocera K85 (Japan) DDMMYY 225 63796 63797 > Olivetti M10 (Italy) DDMMYY 35 63796 63797 > Olivetti M10 North America ? 125 > NEC PC-8201 > NEC PC-8201A YYMMDD 148 63548 63549 > NEC PC-8300 YYMMDD 148 (same?) > Model 100 (US) MMDDYY 51 63789 63790 > Tandy 102 (US) MMDDYY 167 63789 63790 > Tandy 102 (UK) (same?) 167 63789 63790 > Tandy 200 (US) MMDDYY 171 65333 65334 > Televerket 100 (Norway) DDMMYY ? ? ? > > I hope you’ll also upload the audio from the cassette of the Norwegian > patch for your machine. Here’s an example > <https://archive.org/details/t-backup-audio-tutoria/> of a different > audio cassette someone uploaded to archive.org. > > —b9 > > P.S. To turn a hexadecimal dump into a binary file on a UNIX machine, you > can use `xxd -r -p`. > > On Thu, Jan 22, 2026 at 12:20 AM Rune Devik <[email protected]> wrote: > >> Hi >> >> I would be happy to help! Is it possible to read the rom content from >> Basic and output to serial or do I have to extract the roms physically and >> dump them? And if so, what equipment do you suggest I check out to do that? >> I have a lot of stuff in my lab but no ROM reader yet ;) >> >> Also, is there a page for the m100 like for the trs-80 model 1 where >> known rom versions are specified etc.: >> https://www.trs-80.com/sub-rom-checksums-model-1.htm >> >> mvh, >> Rune Devik >> >> On Wed, Jan 21, 2026, 18:03 Joshua O'Keefe <[email protected]> >> wrote: >> >>> > On Jan 21, 2026, at 6:48 AM, Rune Devik <[email protected]> wrote: >>> > >>> > as you "feared" that means that when you set the date you use: >>> DATE$="DD/MM/YY" which is correct in Norway but not what you use in >>> America. It also has the three special Norwegian letters ØÆÅ. >>> >>> Hello Rune. I think if you were to do so the community would be very >>> interested in seeing a dump of the ROM from this system. Not all >>> localizations of the ROM are known or collected and it's possible yours is >>> one of them. >> >>
