EmbeddingGemma 2: an open, lightweight multimodal embedding model
deepmind.google·6d ago
AI Engineering
Hacker News·Aug 8·5 min read
Os8088: A powerful Mac-like OS for the IBM XT, 286, 386
TL;DR
Os8088 is a graphical operating system designed for the IBM XT, 286, and 386, emulating a Mac-like interface with features like overlapping windows and pre-emptive multitasking. It operates entirely in real-mode assembly, fitting within 256K of RAM and booting from a floppy disk.
✦ Why It Matters
Explore Os8088's source code to understand retro operating system design and assembly programming.
Key Takeaways
- Experiment with os8088 to learn about low-level OS design.
- Explore the source code to understand real-mode assembly programming.
- Test the OS on vintage hardware for authentic experience.
- Consider the implications of multitasking in constrained environments.
How It Works
os8088 boots from a floppy disk, loading a 40KB kernel that initializes the graphics based on the detected video adapter. It uses a simple disk API to manage files and runs multiple applications through a pre-emptive multitasking scheduler, allowing for efficient context switching.