Building a Microcontroller from Scratch: The B4 Thinker Project

PCB data sheet of a custom 4-bit microcontroller

[Marius Taciuc’s] latest endeavor, the B4 Thinker, offers a captivating glimpse into microcontroller architecture through a modular approach. This proof-of-concept project is meticulously documented, with a detailed, step-by-step guide to …read more Continue reading Building a Microcontroller from Scratch: The B4 Thinker Project

Amiga, Interrupted: A Fresh Take On Amiga OS

An Amiga 2000 on a carpet floor

Serena OS is not just another operating system—it’s a playground for hackers, tinkerers, and Amiga enthusiasts pushing vintage hardware to new limits. Born from modern design principles and featuring pervasive …read more Continue reading Amiga, Interrupted: A Fresh Take On Amiga OS

Modern In-Circuit Emulator for the 6809

The Motorola 6809, released in 1978, was the follow-up to their 6800 from four years earlier. It’s a powerful little chip with many 16-bit features, although it’s an 8-bit micro …read more Continue reading Modern In-Circuit Emulator for the 6809