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There's also a port of Java / JVM to DOS which I briefly used back in the 90s to port some Java software for a client who was still using DOS and "wouldn't upgr

by rwmj 3y ago

There's also a port of Java / JVM to DOS which I briefly used back in the 90s to port some Java software for a client who was still using DOS and "wouldn't upgrade" (I think he was using a 386 though so I guess it used a DOS extender and wasn't truly 16 bit). I was trying to find this JVM recently and couldn't find any trace of its existence which makes me wonder if I imagined or got confused about the whole thing.

livrem 3y ago
I did not know of a Java port, but this reminds me there is some kind of JavaScript-based environment for DOS that I see linked now and then (think it is bundled with FreeDOS?). Probably this one: https://github.com/SuperIlu/DOjS https://github.com/SuperIlu/DOjS "DOjS is a JavaScript programming environment for systems running MS-DOS, FreeDOS or any DOS based Windows (like 95, 98, ME). It features an integrated editor, graphics & sound output, mouse/keyboard/joystick input and more" Never tried it.
epcoa 3y ago
Perhaps you are only confused about being confused. Called JavaPC. It cost money and I don’t think it sold well, maybe you were the only customer. There was also a DOS port of Kaffe called KaffePC. https://web.archive.org/web/20000613171121/http://www.sun.com/software/javapc/features/index.html https://web.archive.org/web/20000613171121/http://www.sun.co...
- rwmj 3y ago
  KaffePC sounds very familiar, could be it!
  - epcoa 3y ago
    https://web.archive.org/web/20011206153449/http://www.openje.org/kaffepc/docs/en/index.html https://web.archive.org/web/20011206153449/http://www.openje... Wow I thought it was gone, but it's still available
andrewf 3y ago
Googling about I found http://www.delorie.com/djgpp//mail-archives/browse.cgi?p=djgpp/1998/07/26/12:00:23 http://www.delorie.com/djgpp//mail-archives/browse.cgi?p=djg... I'd imagined there might be a port of one of the PalmOS-targeted JVM-alikes (eg SuperWaba) but it doesn't look like any of them made it back to DOS. I could also imagine someone getting an OS/2 or Windows JVM running under a DOS extender.

by rwmj 3y ago

livrem 3y ago

I did not know of a Java port, but this reminds me there is some kind of JavaScript-based environment for DOS that I see linked now and then (think it is bundled with FreeDOS?). Probably this one: https://github.com/SuperIlu/DOjS https://github.com/SuperIlu/DOjS "DOjS is a JavaScript programming environment for systems running MS-DOS, FreeDOS or any DOS based Windows (like 95, 98, ME). It features an integrated editor, graphics & sound output, mouse/keyboard/joystick input and more" Never tried it.

epcoa 3y ago

Perhaps you are only confused about being confused. Called JavaPC. It cost money and I don’t think it sold well, maybe you were the only customer. There was also a DOS port of Kaffe called KaffePC. https://web.archive.org/web/20000613171121/http://www.sun.com/software/javapc/features/index.html https://web.archive.org/web/20000613171121/http://www.sun.co...

rwmj 3y ago
KaffePC sounds very familiar, could be it!
- epcoa 3y ago
  https://web.archive.org/web/20011206153449/http://www.openje.org/kaffepc/docs/en/index.html https://web.archive.org/web/20011206153449/http://www.openje... Wow I thought it was gone, but it's still available

andrewf 3y ago

Googling about I found http://www.delorie.com/djgpp//mail-archives/browse.cgi?p=djgpp/1998/07/26/12:00:23 http://www.delorie.com/djgpp//mail-archives/browse.cgi?p=djg... I'd imagined there might be a port of one of the PalmOS-targeted JVM-alikes (eg SuperWaba) but it doesn't look like any of them made it back to DOS. I could also imagine someone getting an OS/2 or Windows JVM running under a DOS extender.