On 15 Feb 2019, Chad Sharp said the following...
 CS> windows past xp does not support full screen in a dos box, I had to fix
 CS> this by installing xp video drivers

what about mouse support?

  |08 .|05ú|13ù|15Dr|07e|08am Ma|07st|15er|13ù|05ú|08.
  |08 øù|05ú|13ùø         |13øù|05ú|08ùø
  |11 DoRE|03!|11ACiDiC|03!|11Demonic
 |08[|15bbs|09.|15dreamlandbbs|09.|15org|08]

--- Mystic BBS v1.12 A43 2019/02/10 (Windows/32)
 * Origin: --[!dreamland BBS bbs.dreamlandbbs.org (1:218/530)