HyperLightOS-16

A hobby operating system written in x86 Assembly (NASM).

HyperLightOS-16 is a BIOS-based 16-bit operating system developed from scratch for learning bootloaders, kernels, and operating system development.

Features

• BIOS Bootloader
• 16-bit Real Mode Kernel
• Login Screen
• Desktop
• Start Menu
• Settings
• Oslo Shell
• Task Manager

Requirements

• NASM 3.x
• QEMU 9.x or newer

Building

cd project
build.bat

The build script assembles all source files into os-image.bin and starts QEMU.

Project Structure

HyperLightOS-16/
│
├── project/
│   ├── boot.asm
│   ├── kernel.asm
│   ├── login.asm
│   ├── desktop.asm
│   ├── start.asm
│   ├── settings.asm
│   ├── oslo.asm
│   ├── taskmgr.asm
│   ├── build.bat
│   └── clean.bat
│
├── tools/
│   ├── nasm/
│   └── qemu/
│
├── README.md
├── LICENSE
└── .gitignore

Roadmap

Beta-1

• Bootloader
• Kernel
• Login
• Desktop
• Start Menu
• Settings
• Oslo Shell
• Task Manager

Beta-2

• Application Launcher
• Improved Oslo Shell
• About Screen
• Shutdown Menu
• Memory Information

Future

• Protected Mode
• FAT12 File System
• GUI
• Mouse Support
• File Explorer
• Text Editor
• Calculator
• Networking

License

This project is licensed under the MIT License. See the LICENSE file for details.

Note:

• This HyperLightOS is currently 16bit is currently HyperLightOS-16 which is 16bit, newer releases lik HyperLightOS-32 and HyperLightOS-64 willbe released after some update on HyperLightOS-16
• Can only be emulated using qemu 64bit and nasm 64bit currently