Re: [M100] Low battery , crashes wipe the memory of both M102/M200

2023-02-06 Thread birt_j
I have never experienced anything other than a corrupted file. I deleted and that was that. After finding out what caused it, I did not do it again. I suppose that depending on which point in a line it is not able to keep up with on-the-fly tokenization some interesting things might happen.

Re: [M100] Low battery , crashes wipe the memory of both M102/M200

2023-02-06 Thread Brian K. White
The internal battery always preserves the ram contents as long as it's a working battery. Reset can happen fairly easily from crashing software, but it requires some sort of software error, IE either a bug in the software or a corrupt copy of the software from a bad serial transfer. Merely

Re: [M100] Odd NEC PC-8201A 'ROM"

2023-02-06 Thread birt_j
Ah, it is interesting to know how the dongle was used. I have never seen a cartridge for the NEC machines, is it basically a box with a connector and ROM? Jeff Birt From: M100 On Behalf Of Gary Weber Sent: Sunday, February 5, 2023 6:10 PM To: m...@bitchin100.com Subject: Re: [M100] Odd

Re: [M100] Low battery , crashes wipe the memory of both M102/M200

2023-02-06 Thread Alex ...
In my case, the driver transistor for the relay actually failed short. I replaced it and the problem went away. On a diode test the failed part was happily conductive regardless of what I put on the gate, lol. On Mon, Feb 6, 2023, 18:40 wrote: > The click you hear is the telco relay. The flux

[M100] Mcomm and bbs

2023-02-06 Thread Stephen Adolph
I've been asleep at the wheel.. I totally missed that Mcomm provides a very good serial to IP modem function! Once I realized this, I was online in an instant with my T102 at Greg's the keep.net BBS. Even more fun I was in 80x25 mode with the MVT100 adapter. It was so quick and easy! Worked

Re: [M100] Low battery , crashes wipe the memory of both M102/M200

2023-02-06 Thread John R. Hogerhuis
On Mon, Feb 6, 2023 at 3:38 PM wrote: > Loading a .DO file which has been incorrectly named .BA won’t work > correctly but it won’t hard reset the machine either. > > > > > Not sure what you mean by "won't work correctly." Attempting to inload a BA named file that is not properly tokenized will

Re: [M100] Low battery , crashes wipe the memory of both M102/M200

2023-02-06 Thread birt_j
The click you hear is the telco relay. The flux around the driver transistor can turn conductive enough to trigger the transistor and thus the relay. I have also seen this cause reset issues and other oddities on the M100. Jeff Birt From: M100 On Behalf Of Alex ... Sent: Monday,

Re: [M100] Low battery , crashes wipe the memory of both M102/M200

2023-02-06 Thread birt_j
Loading a .DO file which has been incorrectly named .BA won’t work correctly but it won’t hard reset the machine either. Jeff Birt From: M100 On Behalf Of John R. Hogerhuis Sent: Monday, February 6, 2023 3:21 PM To: m...@bitchin100.com Subject: Re: [M100] Low battery , crashes wipe

Re: [M100] Recommendation for T200 clip on led light?

2023-02-06 Thread Stephen Adolph
Thanks Peter, I was noticing that a lot of those clip on lights may not be able to grab the T200 Properly.. >> On Monday, February 6, 2023, Peter Noeth wrote: > > Steve, > > >> I purchased a clip-on book light at Barnes & Noble (Mighty Bright >> https://mightybright.com) for use on my Nook

Re: [M100] M100 LCD repair video and alternative use for unused screen RAM

2023-02-06 Thread John R. Hogerhuis
" I am still alive and well, not that anyone seemed overly concerned there" Great to hear that you're well George! For my part I don't automatically raise the alarm bells when a member goes quiet for a while... people do come and go and sometimes gafiate. It happens. Glad to see some updates to

Re: [M100] M100 LCD repair video and alternative use for unused screen RAM

2023-02-06 Thread grima...@gmail.com
Hi all, I did just see this thread, and I want to provide a few updates. 1. I am still alive and well, not that anyone seemed overly concerned there :D 2. My website is down because I accidentally kicked out the network cable for my raspberry pi, and I didn't notice. I will be fixing this

Re: [M100] Recommendation for T200 clip on led light?

2023-02-06 Thread Peter Noeth
Steve, I purchased a clip-on book light at Barnes & Noble (Mighty Bright https://mightybright.com) for use on my Nook eBook which worked well for that. It is similar to the current ""WonderFlex rechargeable" clip on light, but mine uses 2 CR2032 coin cells. Some months year later I thought

Re: [M100] surface

2023-02-06 Thread John R. Hogerhuis
LaddieAlpha is uses the .NET framework runtime so I assume it works. But confirmation would be good. -- John. On Mon, Feb 6, 2023, 1:30 PM Peter Vollan wrote: > Can I emulate a TPDD with my Microsoft Surface Pro? > >

Re: [M100] surface

2023-02-06 Thread Gregory McGill
would assume it would run mcomm or the python tpdd On Mon, Feb 6, 2023 at 1:30 PM Peter Vollan wrote: > Can I emulate a TPDD with my Microsoft Surface Pro? > >

[M100] Beta testers for R2.2 for REX# and REXCPM?

2023-02-06 Thread Stephen Adolph
If anyone is interested in testing out R2.2 prior to release, let me know please. I can send the files needed to upgrade the software. Suitable for REX# and REXCPM. Thanks Steve

Re: [M100] Low battery , crashes wipe the memory of both M102/M200

2023-02-06 Thread Cedric Amand
I’d like to eliminate the possibility that my ram has problems ; may it be on my m200 or my m102 ; is there a small basic or ml program somewhere that would to a meaningful test ( I could probably draft a simple one but it would probably not be very thorough ) All in all my m102 is much more

Re: [M100] Low battery , crashes wipe the memory of both M102/M200

2023-02-06 Thread Peter Noeth
Although not having seen this ever crash my T102, I did notice that having my Seiko DP-414 printer connected, but turned off, causes an increase in current draw on the T102 (likely on the M100 as well). Several 10s of milliamps if I recall correctly. Does cause the red LED to come on if batteries

[M100] surface

2023-02-06 Thread Peter Vollan
Can I emulate a TPDD with my Microsoft Surface Pro?

Re: [M100] Low battery , crashes wipe the memory of both M102/M200

2023-02-06 Thread John R. Hogerhuis
TS-DOS? The only problem I know that causes corruption with TS-DOS is mistakenly trying to inload a file named with a BA extension that's not really a tokenized BASIC file. You should always rename ASCII BASIC files as .DO before inloading. You can inload a .BA file, but it must actually be

Re: [M100] Low battery , crashes wipe the memory of both M102/M200

2023-02-06 Thread Cedric Amand
Thanks to all, I have a lot of things to investigate now. Jeff : indeed , I've never been able to reproduce the problem "on demand", but each time I remember crashing, I was doing serial communication or "saving files", so more than likely using TSDOS. So that's one area I'm gonna investigate.

Re: [M100] Low battery , crashes wipe the memory of both M102/M200

2023-02-06 Thread Alex ...
A particularly nasty crash can make it do that cold-reset thing. I ran into that countless times while trying my hand at assembly development while using ROM2 and MFORTH. in that case the problem isn't that the memory is totally erased but that some important part gets corrupted and the stock ROM

Re: [M100] Low battery , crashes wipe the memory of both M102/M200

2023-02-06 Thread Stephen Adolph
> > > When you say a Save operation, do you mean write to laptop ram or write to external? You are getting a cold restart for sure. That is the result. What causes a cold restart? Memory corruption, specific bytes in upper ram. When the computer does a restart from instruction , it will

Re: [M100] Low battery , crashes wipe the memory of both M102/M200

2023-02-06 Thread birt_j
One other thought I just had. Then testing Backpacks I use a REX Classic mainly for TS-DOS. I have noticed that if I’m typing along too quickly in the TS-DOS menus it will lock up as you describe. To prevent this, I wait until the screen is finished rendering before pressing the next button.

Re: [M100] Low battery , crashes wipe the memory of both M102/M200

2023-02-06 Thread birt_j
I suspect the RAM is not wiped. The machine is just hard reset, and all relevant pointers set back to defaults. Your data is likely still in RAM you just can’t see it. Jeff Birt From: M100 On Behalf Of Cedric Amand Sent: Monday, February 6, 2023 12:50 PM To: m...@bitchin100.com

Re: [M100] Low battery , crashes wipe the memory of both M102/M200

2023-02-06 Thread Cedric Amand
I'm really not convinced my problem is REX related, at least not yet Is there a process, a type of crash, or something known to basically crash the Model T and wipe it's RAM (and reset the clock !) ? All of that with a perfectly working backup ram (I can replace the batteries no problem) It's

Re: [M100] Low battery , crashes wipe the memory of both M102/M200

2023-02-06 Thread Stephen Adolph
> > Hi Cedric, If you can, please try to replicate the problem without a REX# involved. Maybe I missed something with R2.2. Rs232 does load up the lower supply a bit. There could be a problem with that aspect, but it should be the same with or without rex. Thanks Steve > On Monday,

Re: [M100] Low battery , crashes wipe the memory of both M102/M200

2023-02-06 Thread John R. Hogerhuis
It's not normal at all. The backup battery should absolutely protect the RAM even if the main batteries are dead. Do you know if the backup battery is getting charged? And I guess the memory power switch must be on since I don't think it works with it off. I guess you would need to remove main

[M100] Low battery , crashes wipe the memory of both M102/M200

2023-02-06 Thread Cedric Amand
Hello, While trying to help Stephen testing new REX software, I've been investigating crashes of both my M102 and M200 (unrelated to REX) It seems that when using batteries that are "bit low" (but the red light does not turn on), together with anything using the serial port (transfers,

[M100] Recommendation for T200 clip on led light?

2023-02-06 Thread Stephen Adolph
Hi, does anyone have a good recommendation for a clip on T200 LED? Thanks Steve