(Yeah, BASIC has always tugged at my heart strings.)
Download attached json, and drag into a TiddlyWiki instance to import the two tiddlers.
See GitHub - google/wwwbasic: wwwBASIC is an implementation of BASIC that runs on Node.js and the Web. to read about the related javascript library.
Hmmmm, has me thinking:
Using TW as a host for basic programming language code in tiddlers,feeding that code into dynamically created HTML fed to an iframe,
and display the results of the basic code interpreted by javascript.
BasicProgrammingLanguage.json (621 Bytes)