[Chlorus]

Found some additional info on the legacy computing symbols - chapter 22, page 856 - https://www.unicode.org/versions/Unicode13.0.0/ch22.pdf

"Support for these legacy computing symbols includes 212 characters added in Version 13.0 to provide compatibility with a wide range of early home computers, or “microcomputers,” manufactured from the mid-1970s to the mid-1980s. These symbols also cover the teletext broadcasting standard originally developed in the early 1970s, and the Minitel standard developed in the 1980s. This collection of early microcomputer symbols includes support for the character sets of Amstrad CPC, Apple 8-bit, Atari 8 and 16- bit, Commodore 8 and 16-bit, MSX, Yamaha, RISC OS, and Tandy"