I've found myself walking away from my old Tandy too many times, end up leaving a dosprompt up there for a day or two sometimes. Is there a simple DOS screen blanking app or screensaver app, that is TSR-resident?
Wasn't there the "POWER" command in MS-DOS for that? Not sure what features it actually had, though.
POWER.EXE was an APM thing it seems. Tandy 1000 definitely doesn't support APM!
I always forget to check the REAL retro computing search engine: Google groups.
https://groups.google.com/forum/#!search/cga$ … HY/IsQHeDaLcHkJ
Looks like "ScreenSaver 3" might do the trick...
https://ftp.sunet.se/mirror/archive/ftp.sunet … t/msdos/screen/
SS3.zip from that folder seems to do the trick just fine. No neat effects or flying toasters but screen gets blanked just fine.
Also seems to blank Tandy 16-color graphics just fine.