It's possible they made a EU version of TS-DOS that just isn't very common or documented. We have seen other special versions of things like that.
On Wed, Nov 18, 2020, 2:28 PM <[email protected]> wrote: > Steve, > > ok, I understand better now, thank you. > > I am not aware of the software architecture inside the ROM, so for now, I > can’t understand the program from Microsoft > (and this is the same for TS-DOS) without spend months to analyse and try > to decode the soft. > But anyway, I am happy that Kurt and you agreed to the fact that TS-DOS > was certainly not compatible with my EU version. > Thank you infinitely for all your help and time. > > Jean – Pierre > > *From:* Stephen Adolph <[email protected]> > *Sent:* Wednesday, November 18, 2020 8:14 PM > *To:* [email protected] > *Subject:* Re: [M100] M102 TANDY + TS-DOS + TPDD 100k issue > > Jean-Pierre, > > I think when I looked at the ROM, the sections that were different > included the TELCOM section, and I assume that it means the modem tone > generation is different. That implies the RC filter networks on the modem > circuitry would also be different. > I can't say for sure but I believe the ROM functions are written to match > the analog capabilities of the modem itself. > > but who uses the modem anyways! > > ..Steve > > > > On Wed, Nov 18, 2020 at 1:51 PM <[email protected]> wrote: > >> >> Yes, I don’t take into account that the ASCII character table was >> extended for EU, very interesting ! >> >> I am a litle bit surprised that Traveling software don’t think about the >> European version but after all, >> this is normal because in the past, we are not a market of big concern >> and Traveling can not support >> to write code for a such little market. >> >> Steve, you say that the modem will be no more usable if I replace the >> European ROM image; can you explain why ? >> >> By the way, here is the link for the pictures of the machine : >> >> >> https://e.pcloud.link/publink/show?code=kZ4pH7Z2uHNY094ADm5E2Kv3ccp2Vct8OcX >> >> >> Jean – Pierre >> >> >> >> *From:* Kurt McCullum <[email protected]> >> *Sent:* Wednesday, November 18, 2020 5:15 PM >> *To:* [email protected] >> *Subject:* Re: [M100] M102 TANDY + TS-DOS + TPDD 100k issue >> >> Most likely, the folks at Traveling Software didn't take into account the >> EU version. Or perhaps they were unaware of it. Those details are likely >> lost to time. >> >> As for compatibility. I would check the model number on the main board to >> make sure it matches the US mainboard. If not, there could be issues. >> Hopefully the ROM patch was something specific to EU use such as the >> extended ASCII character table. >> >> Kurt >> >> On Wed, Nov 18, 2020, at 8:12 AM, [email protected] wrote: >> >> Yes, I have compared the ROM provided with Virtual T and my own ROM and >> effectively, she are differents. >> Like I say to Steve, I wonder if, maybe, I can burn the VIRTUAL T M102 >> ROM inside a 27C256 to make a try ? >> Naturally, there is a risk of hardware incompatibility, so, this is maybe >> not a good idea. >> >> >> >> >> This is very strange that Microsoft did an another version of ROM for the >> European version. >> >> >> >> >> Jean – Pierre >> >> >> >> >> >> >> *From:* Stephen Adolph <[email protected]> >> *Sent:* Wednesday, November 18, 2020 5:00 PM >> *To:* [email protected] >> *Cc:* Model 100 Discussion <[email protected]> >> *Subject:* Re: [M100] M102 TANDY + TS-DOS + TPDD 100k issue >> >> >> yah, we know the rom is different. Already compared. >> So, maybe that EU ROM is not really compatible with TS-DOS. >> >> >> >> >> On Wed, Nov 18, 2020 at 10:59 AM Kurt McCullum <[email protected]> >> wrote: >> >> >> When using the ROM you sent, Virtual-T does crash like you indicated. I'm >> comparing the ROMs right now. They are different. The first byte I found >> that was different is at 0395h. I'll see what else I can find. >> >> >> Kurt >> >> >> On Wed, Nov 18, 2020, at 7:59 AM, [email protected] wrote: >> >> I dumped the image directly from my ROM with a little program provided by >> Steve. >> >> >> >> >> >> >> *From:* Brian White <[email protected]> >> *Sent:* Wednesday, November 18, 2020 4:53 PM >> *To:* [email protected] >> *Subject:* Re: [M100] M102 TANDY + TS-DOS + TPDD 100k issue >> >> >> >> Did you actually dump this from your machine? Or is this just on of the >> archived copies like from the rex documentation wiki pages? >> >> >> >> >> >> >> >> >> >> On Wed, Nov 18, 2020, 10:41 AM <[email protected]> wrote: >> >> Here is the ROM image. >> >> >> >> Thank you for the test ! >> >> >> >> >> >> >> Jean – Pierre >> >> >> >> >> >> >> *From:* Kurt McCullum <[email protected]> >> *Sent:* Wednesday, November 18, 2020 4:26 PM >> *To:* [email protected] >> *Subject:* Re: [M100] M102 TANDY + TS-DOS + TPDD 100k issue >> >> >> >> I just tried both of these test conditions in Virtual-T with a standard >> 102 rom and TS-DOS 4.1. Neither one hung the emulator. >> >> >> >> Is the ROM image for your machine available? I'd be happy to test it. >> >> >> >> Kurt >> >> >> >> On Wed, Nov 18, 2020, at 7:20 AM, [email protected] wrote: >> >> Dear all, >> >> >> >> >> >> >> >> >> >> >> I am a new owner of a tandy Model 102 and I put him an new REX# from >> Steve. >> >> >> >> >> >> The REX# run fine but I encouter a strange problem when I activate the >> resident portion of TS-DOS in RAM. >> >> >> >> >> >> In fact, when I edit a .DO file in TEXT editor and try to save him with >> the F3 button and a file name like for example: >> >> >> >> >> >> 0:test the TEXT editor crash and I must reset the machine. >> >> >> >> >> >> When the crash appears, sometime the screen freeze and sometime, a >> portion of code of TELCOM seems to be read because the menu >> >> >> >> >> >> PREV UP DOWN FULL of TELCOM appears on the bottom of the screen. >> >> >> >> >> >> >> >> >> >> >> An another more radical crash occur when you made the following procedure >> : >> >> >> >> >> >> 1° activate TS-DOS resident portion >> >> >> >> >> 2° in BASIC, run the command SOUND 400, 100 >> >> >> >> >> 3° exit BASIC with the MENU command (or F8) >> >> >> >> >> 3° in TEXT editor, inpur some text and hit F3 >> >> >> >> >> 4° input 0:test >> >> >> >> >> => now, all the screen disappears and the reset button don’t work; I need >> to power off and on the machine to restart. >> >> >> >> >> >> >> >> >> >> >> With the help of Steve, I tested an image of my ROM into VIRTUAL T and >> the issue can be reproduced. >> >> >> >> >> >> >> >> >> >> >> So, I wish to ask you if maybe, an owner of a Model 102 know this problem >> or if maybe, it is possible that my ROM image was >> incompatible with the version 4 or 4.1 of TS-DOS ? >> >> >> >> >> >> >> >> >> >> >> Thank you, >> >> >> >> >> >> Jean – Pierre >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >
