https://www.circlemud.org/maillist/1996-10/0655.html
CircleMUD List: bitfields
circlemudlistbitfields
https://www.strangeleaflet.com/shrink-your-data-into-bitfields-and-out-again/
Shrink your data into bitfields (and out again) – Strange Leaflet
Some applications want to save every byte. Every last byte! Learn how bitfields allow us to shink complex data down into a bitfield.
your datashrinkbitfieldsstrangeleaflet