Interesting problem.

You likely have already tried this, but check out WSGF website. It has instructions for modifying many old games to support widescreen resolutions. A lot of games are covered, so this might work for you.

Another thought would be playing in window mode, with the desktop in the background. Have wallpapers cycle through.

Second tips is probably better for me than first one. I have 3500 dos games 😉

Too easy then, just run DOSBox in window mode!

PhilsComputerLab wrote:

Too easy then, just run DOSBox in window mode!

Wouldn't that create a frame around the window, which could then burn into the plasma? Provided the window stays motionless...

... Borderless windowed gaming maybe?

Yes or use window snap every few minutes 😀

Autohotkey has a feature to move any visible window to arbitary coordinates (WinMove),
properly scripted autohotkey could constantly move such windows automatically.

I was just thinking of Autohotkey as well 😉

All of it sounds like too much hassle to have to constantly think about your usage habits for the benefit of your technology, instead of vice versa.

The only real solutions seem to be:
1) Throw the crappy plasma into the trash and buy a normal LCD TV.
2) Stop worrying about burn-in and just play. If at some point the burn-in becomes unbearable, go to step (1).

😁

Or just use the plasma for what it's good for - namely television / movies, and use a different screen for computer work/play.

Can you start any animation etc. around the gamescreen?
Can the 4:3 gamescreen be moved 1px every 3rd second to the left until it reaches far left, and then go back to the far right?

Well, DOSBox is an open-source project, so yes, it's certainly possible to implement such features, if you find a developer willing to implement it - and perhaps pay him some money...