It feels almost more useful than BASIC on the Atari 2600, at least.
For an experience today closer to these machines, you can get a $0.10 CH32V003 microcontroller with 2k RAM and 16k flash.
Here's a 1 Euro retro-computer kit using one that has included in that price support for PS/2 keyboard and VGA video output, all included in the 1 Euro -- even the connectors! All from one 8 pin microcontroller chip:
https://www.olimex.com/Products/Retro-Computers/RVPC/open-so...