TL;DR
A programmer has developed a BASIC interpreter capable of booting on UEFI systems, combining retro programming with modern firmware standards. This innovation demonstrates new possibilities for hobbyists and developers interested in low-level system programming.
A developer has successfully created a BASIC interpreter that boots directly on UEFI systems, enabling vintage-style programming environments on modern hardware. This development offers a new platform for hobbyists and low-level programmers, bridging the gap between old-school programming languages and current firmware standards.
The project, named Thoreau BASIC, was designed to run independently from traditional operating systems by directly initializing through the UEFI firmware interface. The developer, who posted about this on Show HN, aimed to create a small, simple environment reminiscent of early personal computing, featuring line numbers, immediate mode, basic graphics, strings, and arrays. The implementation involves custom UEFI bootloader code that loads the interpreter into memory before handing control over to it, bypassing the need for an OS.
This interpreter is written in a low-level language suitable for firmware environments, likely C or assembly, and leverages UEFI’s standardized interface to initialize hardware and display output. The project is still in early stages but demonstrates that such a setup is feasible, opening avenues for further exploration of self-contained programming environments on modern hardware.
According to the developer, the goal was to create a nostalgic programming environment that could run on any UEFI-compatible machine without requiring an OS or complex setup, emphasizing simplicity and low resource use. The project is available on GitHub, inviting others to experiment and extend its capabilities.
Implications for Low-Level Programming and Hardware Compatibility
This development is significant because it shows that vintage programming languages like BASIC can be revived in a modern context by directly interfacing with firmware. It highlights the potential for creating minimal, self-contained programming environments that run independently of operating systems, which could benefit hobbyists, educators, and embedded systems developers. Additionally, it demonstrates the flexibility of UEFI, which is increasingly replacing traditional BIOS, as a platform for custom firmware-based applications.
For the broader tech community, this project underscores the ongoing relevance of low-level programming skills and the importance of firmware standards in enabling innovative software solutions. It also opens the door for further experimentation with bootable environments, custom firmware, and even security research, as such setups can serve as testing grounds for firmware-level code execution.
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Background on UEFI, BASIC, and Firmware Development
UEFI (Unified Extensible Firmware Interface) has become the standard firmware interface for modern PCs, replacing the traditional BIOS. It provides a flexible, extensible platform for initializing hardware and booting operating systems. While UEFI is typically used for launching OS loaders, it also supports custom applications and boot environments, making it a suitable platform for experimental projects like this one.
BASIC, developed in the 1960s, was a popular programming language for early personal computers, known for its simplicity and ease of use. Despite being largely obsolete in mainstream computing, it remains a nostalgic and educational tool for hobbyists. Prior efforts to run BASIC interpreters on modern hardware generally depend on operating systems or emulators, but this project aims to run it directly from firmware.
The developer’s approach builds on existing knowledge of firmware development, low-level programming, and UEFI specifications, which have become more accessible thanks to open-source tools and documentation. The project aligns with ongoing maker and hacker communities interested in firmware hacking, minimal environments, and retro computing.
“My goal was to create a simple, self-contained BASIC environment that boots directly on UEFI hardware, without relying on an OS.”
— Developer
low-level firmware programming tools
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Technical Limitations and Compatibility Questions
It is not yet clear how broadly compatible the interpreter will be across different hardware models or UEFI implementations. The current version likely works on certain systems but may face issues on others, especially with hardware-specific quirks or security features like Secure Boot. The developer has not yet documented these limitations comprehensively, and further testing is needed to establish widespread compatibility.
Additionally, performance and stability under various conditions remain to be evaluated, and the project is still in early development stages. It is also unclear whether future updates will support additional features, such as graphics modes or extended language capabilities.
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Future Development and Community Involvement
The developer plans to improve the interpreter’s stability, expand its features, and document compatibility issues. They also intend to invite community contributions to adapt the project for more hardware configurations and explore additional functionalities, such as networking or file I/O.
Further testing across a range of UEFI systems is expected, alongside potential integration with other firmware-based projects. The project could evolve into a platform for educational purposes, firmware hacking, or hobbyist experimentation with minimal environments.
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Key Questions
Can this BASIC interpreter run on any UEFI-compatible machine?
It is currently confirmed to work on some systems, but compatibility across all UEFI hardware is not yet established. Testing on different models is ongoing.
Does this project require Secure Boot to be disabled?
Details are still emerging, but Secure Boot may pose challenges unless the bootloader is signed or Secure Boot is disabled. The developer has not yet provided comprehensive guidance on this.
What are the potential uses for this firmware-level BASIC environment?
It can serve as an educational tool, a platform for low-level programming experiments, or a foundation for creating minimal, self-contained firmware applications.
Is this project open source?
Yes, the developer has published the code on GitHub, encouraging community involvement and further development.
What are the limitations of this interpreter compared to traditional ones?
It currently supports basic features like line numbers and simple graphics but may lack advanced language features, stability, and broad hardware compatibility at this stage.
Source: hn
