Enabling the use of otvdm on Windows ARM?

[LLindfors61]

Hi there!

I am a scientist and have been using a program called SigmaPlot since the 90's. Although there are newer versions out there I am very fond of SigmaPlot version 2.01 - which is a 16bit application. In my work I am using an iMac with a Parallels Desktop virtualized Windows. For different reasons, I was recently forced to replace my old iMac (2013) with a brand new M1 iMac - a terrific piece of computer, but unfortunately not equipped with an Intel processor. So, to continue to use Parallels Desktop I have to use Windows 11 ARM - with no support of ntvdm (previously available in x86). I have tested your phenomenal otvdm on a x64 Windows 10 remote PC (otvdm-master-2141) - works like a charm. Now to the super-duper naive question - is it at all possible to get otvdm working on Windows 11 ARM?

Looking forward to your thoughts (mission impossible or?)

Lennart

[Nothoro]

Hi, I just thought I would kick my two cents in here. I am using Windows 11 ARM x64 build 22000 release 210604 on a raspberry pi400. I don't seem to have any problems running otvdm with anything I have tested with yet, usually things I write in Borland Delphi and Visual Basic 3. The only problem I have is that it wont properly import registry entries for a proper installation so that I would be able to just click and run things. I need to run otdvdmw.exe and browse/locate my files to get things going, which is ok with me. I haven't tested it with SigmaPlot v2.01 as I dont have it.
Best Regards,
Brian.

[Nothoro]

Just a side note, if I need to (click n run) something I just create a shortcut to the program to otdvdm.exe and in the target, just add the name of your desired program to launch.

[LLindfors61]

Hi!

And thanks for the note! As I mentioned, using otvdm on x64 remote PC SigmaPlot works as normal (so far not a single problem noted). With an identical approach but on my virtual Windows 11 ARM (on my M1 iMac), I can open the program but as soon as try e.g. to open a SigmaPlot file or plot some dat, I get the spinning wheel. Would it be possible for you to share one functional program so I could test on my virtual Windows 11 ARM?

Best regards
Lennart

P.S. I do exactly the same with the shortcut (works on x64 but not on ARM)

[Nothoro]

When you say share a functional program, I can direct you to something that Ive written or you can grab something from archive.org:

https://archive.org/details/softwarelibrary_win3

If you want me to compile something real quick, I can do that.

[LLindfors61]

Terrific - you can just point to any of your programs that you have found to work on Windows 11 ARM. Now I have to ask a somewhat “stupid” question - when I said I got things to work on x64 I have just downloaded the otvdm executable (otvdm-master-2141) and that is also what I have tried on Windows 11 ARM - thus, I have not compiled anything (either on x64 or ARM) - is this what you do as well?

[emendelson]

I've been trying otvdm on Windows 11 ARM on an M1 Mac, via Parallels. I can't get any application to start, so I'm impressed that SigmaPlot will at least open...

[LLindfors61]

Hi!

Have you tried November-master-2141? Because with “lower numbers” I had the same experience.

Regards,

Lennart

[LLindfors61]

Spell correcting I mean otvdm-master-2141

[otya128]

Fixed an issue in 8769a4a that didn't work with aarch64 + mac + Parallels + Windows.
Only in M1 mac environment, there was a problem that the CS and DS values returned by mov selector, ax and GetThreadContext in vm86.dll were random.

[DougJoseph]

I am trying to install otvdm-v0.8.1.zip on a VM of Windows 11 Pro (ARM edition) running on a host MacOS computer that has M1 Max chip.

The "install" link provided in the download does not result in an install. I get the following error in a full halt:

I'm new to otvdm. Is there any chance I can manually install it by copying/moving some files?

[DougJoseph]

Also, when I manually copy the otvdm-v0.8.1. files to the C drive in the VM of Windows 11 Pro (ARM-64) and double click on otvdmw.exe and then browse to an old program (originally designed for Windows 3.1), I get the following error.

[otya128]

Please try the latest version.

otvdm-master-2446.zip

If the error occurs even with the latest version, please create an issue with the program information.

[DougJoseph]

Please try the latest version.

You are amazing. I will try and report back.

[DougJoseph]

OK, reporting back on the test of otvdm-master-2446 on Windows 11 Pro ARM-64 editing running inside a UTM Virtual Machine running on a MacOS host on MacBookPro running an M1 Max chip:

I have awesome news, and an install fail note!

First, in the way of awesome news, I manually copied the extracted folder contents to the C drive, ran the otvdmw.exe file, and then browsed to a software program originally made for Windows 3.1 (in this case, QuickVerse Bible program), and it opened and ran flawlessly!

And even copying from the old program and pasting in the modern Windows 11 side works!

I am over the moon excited about this! Thank you!!

I do need to also mention that the install link is still saying this while failing to install:

Thanks again. This is amazing.