commit 5ffe0d7ea85d722ee527c9f559b1e14dd78f9235
Author: Dino Bollinger <dino.bollinger@gmail.com>
Date:   Thu Jan 6 02:23:27 2022 -0800

    Duke3D: Support for multiple simultaneously active Viewscreens

See https://voidpoint.io/terminx/eduke32 for more details.