Retro Computing

The 50-Year-Old Chip That’s Making Engineers Sane Again

As AI and billion-transistor chips dominate computing, engineers are rediscovering the Z80β€”a 1970s microprocessor with 8,500 transistors. The paradox: the more complex our systems become, the more we crave the sanity of a machine we can fully understand. This isn’t nostalgia; it’s a vital counterbalance to abstraction overload.

We Had It All in 1973. Then We Threw It Away.

In 1973, a massive mainframe called the PDP-10 gave birth to Emacs, AI in a 3D world, and the open-source culture. Its operating system, ITS, treated users as co-creators, not consumers. Today, we have billions of devices but less agency. This isn’t nostalgia β€” it’s a warning that we traded freedom for convenience. The PDP-10’s legacy is a blueprint for reclaiming the hacker spirit.

Your Apps Are Bloated. 1980s Hackers Knew Better.

In the 1980s, underground demoscene coders built mind-bending interfaces in 64 kilobytes. Today, our apps demand gigabytes of RAM just to render a text box. The demoscene’s UI innovations weren’t just technical miraclesβ€”they were a cultural resistance against software bloat. Constraint is the only true driver of elegance.

Browser-Based QBasic Emulation Is a Lie. Here’s the Truth.

Browser-based QBasic emulators consistently fail to recreate the authentic DOS experience, locking up on GOTO loops and ignoring PEEK/POKE. But demanding perfect replication misses the point. These broken emulators are actually the perfect educational tool to teach modern developers about system architecture and emulation trade-offs.

Why Decker’s Missing Font Size Adjustment Is a Feature, Not a Bug

Decker’s lack of font size adjustment isn’t a usability flawβ€”it’s an intentional design constraint that filters users and forces focus on content over polish. This article explores how the missing feature embodies a philosophy of purposeful simplicity, and what product builders can learn from saying ‘no’ to features that dilute the experience.

My Friend Built a Time Machine Out of a ZX Spectrum and a Web Browser

A friend spent his weekend building a web-based ZX Spectrum music player. No funding, no institutional backing, no original hardware β€” just a browser and stubborn belief that 1980s chiptune deserved to survive. This isn’t a nostalgia toy. It’s a glimpse of how grassroots preservation actually works: when the gatekeepers won’t save your culture, the people will.

I Used AI to Reverse-Engineer a 1990s Lemmings Clone. The Irony Will Break You.

I used Claude Code with Ghidra and DOSBox MCPs to reverse-engineer undocumented Adlib and Tandy sound routines from the original Lemmings DOS binary. The AI generated a working HTML5 port β€” but it only runs on Chrome Canary with an experimental flag. This proves AI agents can autonomously decode legacy hardware, even if the delivery mechanism is still broken.

Modern Game Devs Have No Excuse. A 1MHz Computer Just Ran Dune II.

In 2026, the Primal demogroup achieved the impossible: porting the complex RTS Dune II to a 1982 Commodore 64 with just 64KB of RAM. But this isn’t just a retro noveltyβ€”it’s a brutal indictment of modern software development. We’ve traded ingenuity for infinite resources, and our code is suffering for it.

Stop Hoarding Vintage Hardware. The Real Time Machine is in Your Browser.

PCjs Machines isn’t just a browser-based emulator for playing Oregon Trail; it’s a critical tool for digital archaeology. By recreating the exact hardware limitations, OS quirks, and friction of early computing, it preserves the context of our digital heritageβ€”and lets us pass that magic to the next generation without hoarding vintage hardware.

Stop Calling It Nostalgia. Building an Amiga Dev Environment in 2026 Is a Radical Act of Software Preservation.

Setting up an AmigaOS development environment in 2026 isn’t nostalgia β€” it’s a radical act of software preservation. The real challenge isn’t the retro hardware, but the modern tools that refuse to adapt. This article reveals how stripping an obsolete OS down to its essentials and cross-compiling with 1990s-era tools teaches you more about computing than any modern IDE ever will.