Good images of the manual and the keyboard overlays: http://www.atarimania.com/game-atari-2600-vcs-basic-programm...

64 bytes of basic tokens - so program size was limited to about 10 short lines.

https://atariprojects.org/2019/12/24/try-basic-programming-o... with video of a program running: https://atariprojects.org/wp-content/uploads/2019/12/BASIC-V...