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nuBASIC Wiki

Version 2.0 · https://github.com/eantcal/nubasic Author: Antonino Calderone — antonino.calderone@gmail.com

nuBASIC is a modern, open-source BASIC interpreter written in C++20, available for Windows, Linux, and macOS.

Page	Description
BASIC: A Language Built for Learning	Origins and history of the BASIC language
Introduction to nuBASIC	What nuBASIC is, its features, platforms, and design philosophy
Getting Started	Installing and running nuBASIC, first programs, built-in help
Language Reference	Variables, operators, control flow, subroutines, structures, arrays, hash tables, file I/O, strings
Graphics and Multimedia	Drawing primitives, flicker-free rendering, mouse input, sound, window management
Raycast Game Engine	WinRayCast pseudo-3D engine: render loop, worlds/projects, full `Ray…` API reference (Windows)
Command Reference	Console commands, instructions, built-in functions, operator table
IDE	Syntax highlighting editor, keyboard commands, debugger, bookmarks, auto-completion
History and Evolution	Release history from v0.1 (2014) to v2.0 (2026)
Interpreter Internals	Architecture, tokenizer, parser, expression evaluator, variant type, extending built-ins
Building from Source	CMake build on Windows, Linux, macOS, iOS; installer creation

# Interactive REPL
nubasic

# Run a program file
nubasic myprogram.bas

' Your first program
Print "Hello, world!"

For more detail, see Getting Started.

nuBASIC is open source under the MIT License. Bug reports and feature requests: antonino.calderone@gmail.com