troubleshooting Question

FreeDos - Using middle mouse button on USB mouse

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edz_pgtFlag for United Kingdom of Great Britain and Northern Ireland asked on
Microsoft DOS
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Is it possible to get middle mouse button support for USB mice in FreeDOS?

BACKGROUND:
I have a client who has a very old DOS-based program that controls factory equipment via a serial port.

They need to develop pattern files on one computer and transfer them to another computer. These computers are not network enabled.

Historically, they have used floppy disks to transfer these files but, as we know, floppy drives are becoming rare and so are the media. This has led me to looking at an alternative way of transferring the files.

To cut a long story short, I've formatted a USB stick with FreeDOS. This way, the design PC can save files to it and these files can be read on the other machine that does the processing. However, in order for the OS to see the USB stick, we have to boot from the stick itself. This means I've had to find an OS that I can install onto it reliably in years to come. Hence FreeDOS.

Everything works with one tiny exception. The DOS program relies on the middle mouse button. Without it, the program won't work as we can't get to the menus.

I've done some digging and I get the impression that the middle mouse button is only supported on PS2 mice. I'm using a USB mouse and I think it's only working because the BIOS is helping it using legacy support for USB.

Yes, I suppose I could get a PS2 mouse and install a PCI card of some description but I'm looking to the future. We have no way of replacing the software without replacing the factory machinery which would cost £thousands so we need to future-proof what we have. In future, PS2 mice will be difficult to come by and the interface cards, too.

So, my question is this: Is it possible to get middle mouse button support for USB mice in FreeDOS?
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