The bot was built by [Kay Savetz] and accepts programs in five programming languages: Atari BASIC, Turbo-Basic XL, Atari Logo, Atari PILOT, and Atari Assembler/Editor, which was a low-level ...

Atari BASIC was remarkably easy to program compared to the Commodore's Microsoft BASIC. C64 basic, yes. But the C128 basic was a different beast.