Going Purple: CRT TV Makeover xD - So, remember the CRT TV from my last article? The one I brought from Nagoya for my Modern Retro Station ? Well... it works great, but it was a little bit boring…

Summary # I've written about a few of the effects in No Bounds already ( Finite Bobs , Scrolling Bob Scroller , Stopping Music Popping ). This post is about something you hopefully didn't notice when…

AI came up again in the Tinderbox meetup, because of course. Again, Dr. Michael Becker dazzled us all with his creation, showing its growing utility. Again, some mention was made of ultimately…

CAPTURE SET UP TO UNDERSTAND WHY WE ARE BUMPING ADDRESSES WEIRDLY The observed symptom was that when I did an XIO Write command with a buffer filled with 321 words whose values were essentially the…

In just three weeks time it will be my favourite day of the year – and exactly one week before that is a day that should be one of a small number of firm favourites amongst discerning RISC OS…

I have been putting together some simulators for the Small Scale Experimental Machine (SSEM) also known as the Manchester Baby. This was originally started as a learning platform to understand how…

When Oscar Vermeulen and Obsolescence Guaranteed released the PiDP-10 in 2024, the first stirrings of decwar.org began immediately. The long range vision was to get Decwar working on the PiDP-10 and…

Now I can finally see what's on the screen.

Blackout State by the Norwegian group Darklite, released on 11 July 2026, won the newschool demo competition at Black Valley 2026 with 182 points against 161 for Blaker Breeze by Skuggemannen and…

This image shows a quick-reference for how to LIST out to a file, and have BASIC type in a listing from a file. This is not original work except for fixing the port to plus/4 and similar. Links:…

I saw this ad this morning for a re-creation of the Atari 800XL. The Atari 800XL is the first computer that I bought for myself and used while I was in college. Back when I was getting my computer…

The CD-ROM took an audio format built for classical music and turned it into the substrate of the multimedia PC. This post traces the technology across five phases, from the videodisc wars to DVD,…

Go to: https://kobolt.github.io/article-287.html

This is just a pointless proof-of-concept for fun, but I found a way to boot the Linux kernel directly from a running CP/M-68K instance. The method is similar to LOADLIN which can boot Linux directly…

Today kids we gonna talk a bit about the most influential computer of all times AMIGA! Simply put, company that invented multimedia before multimedia. The times when computing were really fun and the…

How I got many of my childhood games running again after fighting with old Copy-Protection mechanisms

As I’ve mentioned before , when I encountered computers as a child, the first program that really grabbed me was a simple example type-in BASIC program for the TRS-80. It was included in the manual…

MISSING DATA DURING A WRITE APPEARS TO BE A MEMORY ADDRESSING ISSUE When writing a sector of 321 words to the Virtual 2315 Cartridge Facility (V2315CF), the first portion of the sector is captured…

I’m very excited that some works from the 128KB platform will be exhibited as part of the Radical Computing exhibition […] The post Radical Computing: 128KB goes to Australia appeared…

The history of Cray, Dizzy gets new 40th anniversary genAI release, Binky: Frozen in Time for C64, Shadows of Belial for ZX Spectrum 128K, new MiSTer FPGA cores, and more! The post Worth a Watch…

I have retvrned to using my ThinkPad X220 after years of using much faster (proprietary) computers. If memory serves me right, videos used to run a lot faster in mpv. (Insert comment about the ever…

The TRS-80 Model 1 Original System Box 2026-10-06 | [retrocomputing] [trs80] Happy TRS-80 Model 1 Level II 16K Day! The only day every 100 years where the current date matches the catalog number of…

While researching the formats to support I’ve finally encountered an animation format for CGA, from the times when H.261 was ratified (i.e. 1988) but a bit simpler than that format. Essentially…

Goblins that hit back, doors and keys, a game over screen, and moving the C64's screen to another memory bank to more than double the room for BASIC. The post C64 BASIC Dungeon Crawler: The Goblins…

The wiring between the various boards in the "nuclear football" form-factor MEGA65 is being a pain in the backside for me. So it's time to separate each layer of the construction, so that it just has…

-- Macintosh Plus: The Adventure of a 40 Year Old Computer"> This is my entry for the RetroChallenge of 2026. While I skipped it last year, you can see the amazing things I’ve done with a Nokia…

Andrea Ottaviani (aotta) has released a firmware update for the Flash Multicarts SD-1000 based on the Pico Clone (Purple) SD-1000 v1.02 (Sega SC-3000/SG-1000/M3) Changelog: SG-1000 and Mark III…

Demoscene – Arte Algorítmica is an exhibition by Inércia at the Oficina de Cultura in Almada, Portugal, 3-24 October. The exhibition showcases modern and historical works from the scene, and…

Mark Moxon will be joining the next meeting of the Wakefield RISC OS Computer Club (WROCC), which will take place on Wednesday, 7th October, to take the group on a tour of the various Acornsoft games…

One of the four boxes on the Pizza Tycoon Production screen was always empty. With help from Bochs I found a one-instruction bug, and changing two bytes in the original shows us the screen as…

Divemedic has been geeking out about home network stuff which has been a bit of a walk down memory lane - I once had a supervisor who turned down my request for a 2400 baud modem "because you can't…

The Wombat is great for adapting USB keyboards and mice to classic ADB Macintoshes, and ADB keyboards and mice to modern USB computers. But what about game controllers? They’re not supported.…

It's been a while since core 14 was released, which was the core that introduced booting from the AppleSqueezer's built-in SD card with the help of Antoine Vignau's driver:…

Not to be taken too seriously, here’s a nerdcore production readers of this blog may appreciate: Native C64 version: Ultimate Audio version (PCM audio, best quality but requires an Ultimate…

It has been quite a while since I did any mucking around with MorphOS. It doesn't mean there hasn't been any activity in the world of MorphOS - just I didn't have the time to focus on it. Indeed…

I enjoyed the article What Happened to Shareware? from Dead Parrot BBS. I still have my diskette for WinZip 6.2, and I think I owned a few other shareware programs. One I remember is Hex Workshop…