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Andy McCall 🔥

@andymccall.co.uk
261 followers 285 following 866 posts

I'm a tech that's interested in 8 and 16 bit retro and neo-retro computers 🖥️ and retro-gaming 🎮. I dabble in electronics. I program in Java , C/C++ and Z80 and 6502 assembly. I love dogs 🐕 I'm interested in world news and US politics.

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Andy McCall 🔥 @andymccall.co.uk · 31/08/2026
AI is weird. I gave #Claude a face and a voice on my Linux box, and I pointed it to the Rocky voice from Project Hail Mary, and it told me it would prefer to not cosplay as a character from a film and asked if I could choose a voice from a selection it gave me instead. How did it decide that?! #ai
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Doomsday One @doomsday.one · 19/08/2026
I've published the second in a series on programming the Commander X16 in C, using techniques I've learned while writing Shinobi and All of the Dead. If you want to get the most out of a Commander X16 in C, then please subscribe to this Patreon for free. #commanderx16 #c #retro #8bit #retrodev
patreon.com
Commander X16 - The C Developer's Guide - 2 | Doomsday One
Chapter 1. The Commander X16 The History of the Commander X16 The Commander X16 started, as a lot of good projects do, with someone being f
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Andy McCall 🔥 @andymccall.co.uk · 10/08/2026
Pushing cross-platform development to it's limits! This is my R* API that has floors for 10 platforms, and the game code is almost identical. The only difference is the map that drives the code. #retrodev #gamedev #atarist #pcengine #commanderx16 #zxnext #neo6502
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Andy McCall 🔥 @andymccall.co.uk · 21/07/2026
I've started doing some totally bonkers. Porting my Pac-Mac remake to the NEC PC-FX 🤣 This is because I know there's millions of NEC PC-FX users out there who've been desperate to play Pac-Mac on their consoles. #retrodev #nec #pcengine #pcfx #gamedev
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The Oasis BBS @theoasisbbs.bsky.social · 20/07/2026
XCOMM Dual Terminal Brings Split-Screen Serial Tools to Commander X16 #CommanderX16 #XCOMM #RetroComputing #SerialTerminal #VERA #YModem #8BitComputing theoasisbbs.com/xcomm-dual-t...
theoasisbbs.com
XCOMM dual terminal - The Oasis BBS
XCOMM dual terminal brings split-screen serial activity, a local console, YModem downloads, and flexible fonts to the Commander X16.
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Doomsday One @doomsday.one · 18/07/2026
Doomsday One is very excited to give our Patreon subscribers on the 8 & 16-bit tiers early access to a fan remake of Pac-Man on the Commander X16. If you're not a subscriber, the post will be available for everyone on the 1st August. www.patreon.com/doomsdayone/... #commanderx16 #retrogaming
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Andy McCall 🔥 @andymccall.co.uk · 14/07/2026
I watched Supergirl last night at the cinema. I was very aprehensive because of all the negative comments and reviews. It was okay. A decent enjoyable film. Not the best film ever, but far from the wost. I'd give it a solid 68%. It's not the disaster the reviews imply it is.
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Doomsday One @doomsday.one · 12/07/2026
I've published the first in a series on programming the Commander X16 in C, using techniques I've learned while writing Shinobi and All of the Dead. If you want to get the most out of a Commander X16 in C, then please subscribe to this Patreon for free. #commanderx16 #c #retro #8bit #retrodev
patreon.com
The Commander X16 C Bible - 1 | Doomsday One
About this book Over the next year or so I'm going to be publishing a book called The Commander X16 C Bible. This book will be a guide to p
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Doomsday One @doomsday.one · 05/07/2026
Here's an early preview of "All of the Dead" 🧟‍♂️ currently in development for the Commander X16! It’s a Metal Slug-style run-and-gun platformer. The mission? Navigate the levels, save the citizens, and kill... all of the dead 💀💀💀 #8bit #gamedev #retrogamedev #commanderx16 #retrogaming
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Doomsday One @doomsday.one · 28/06/2026
Want to know how to detect and handle the different CPU's that the Commander X16 can make use of? Everything you need to know can be found in this article on Patreon! #commanderx16 #RetroDev #gamedev #8bit
patreon.com
Detecting the CPU on the Commander X16 | Doomsday One
When developing for the Commander X16, it's easy to assume your users will have the exact same hardware configuration as you. However, this
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Andy McCall 🔥 @andymccall.co.uk · 25/06/2026
Another great video by Reassembler! This one is on sprite caching, something I've been working my lately myself, so it's come at the perfect time.
youtu.be
Is The Amiga Too Slow For Sonic?
YouTube video by reassembler
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Mike Dailly ™ @mdf200.bsky.social · 24/06/2026
FromFB:
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The Oasis BBS @theoasisbbs.bsky.social · 19/06/2026
Berzerk Port Brings Stern’s Arcade Chase to Commander X16 #CommanderX16 #Berzerk #RetroGaming #ArcadeGames #EvilOtto #SternElectronics #X16 #8BitComputing #RetroComputing #HomebrewGames theoasisbbs.com/berzerk-port...
theoasisbbs.com
Berzerk Port Brings Stern’s Arcade Chase to Commander X16 - The Oasis BBS
Berzerk Port brings Stern’s arcade chase to Commander X16 in a preview with speech data, robot taunts, Evil Otto, and keyboard controls.
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Andy McCall 🔥 @andymccall.co.uk · 24/06/2026
I have to do a refactor of my Shinobi game to reclaim more MAIN memory as I've completley run out. I decided to PoC it first, rather than fight Shinobi while refactoring, thus Bubble Bobble PoC was born! #CommanderX16 #RetroGaming #GameDev #PixelArt #Sega #retro #8bit
youtu.be
Bubble Bobble - PoC Video
YouTube video by Andy McCall
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Andy McCall 🔥 @andymccall.co.uk · 23/06/2026
I just backed Memories of Rainbird and Beyond Software on @kickstarter.com www.kickstarter.com/projects/zza...
kickstarter.com
Memories of Rainbird and Beyond Software
The story from the beginning to the end!
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Andy McCall 🔥 @andymccall.co.uk · 21/06/2026
Not sure if using AI for adversarial code reviews is turning me into a 10x developer, or just a 10x more insecure one. 😂 #development #ai
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howprice @howprice.bsky.social · 20/06/2026
I wrote a PlayStation emulator earlier in the year. It doesn't run everything I want yet, but it was great fun and I learned a lot of interesting things along the way (don't look at SPOILERS.md if you ever intend to write your own one day) github.com/howprice/hop...
Montage of four classic games running: Ridge Racer (red car on track with blue skies and all the arcade HUD), Final Fantasy VII (Cloud, Barret and Tifa celebrating a victory in battle), Crash Bandicoot (staning there looking dumb), Metal Gear Solid comms screen also showing the various debug views the emulator features: VRAM visualisation, SPU, DMA and CDROM state.
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Chloe Cumming @chloecumming.bsky.social · 19/06/2026
This has been a tricky week for being able to focus on making art, and also a zero sales kind of a week, so if anyone wishes some original art in their life, just sayin, I’ve got some. www.chloecumming.com
David Hockney Ink drawing, strong blue and red, older happy man Green Ibis mostly ink drawing Monkey and whisky, he bloody loves it, brown and red ink drawing Exotic Adrian street pink and purple colourful 70s British /welsh wrestler
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L Break Into Program @breakintoprogram.co.uk · 19/06/2026
Well that's a turnip for the books. It looks like the port 0x00FE fix for Vectron and the floating bus fix has sorted Cobra out. This is the original version, not the one with the +2A/+3 bug fix. Feeling pretty chuffed about that.
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Andy McCall 🔥 @andymccall.co.uk · 19/06/2026
Watching YT videos explaining how AI companies and chip manufacturers are funding shell companies with $10m, to buy their products for $40m, so they gain $30m on thier books with zero money. Absolutely crazy how we're watching this car crash in slow motion. #ai #stockmarket
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Andy McCall 🔥 @andymccall.co.uk · 19/06/2026
I need to take a break from Shinobi burnout, so I've resurected a project I started around 8 months ago - replatforming Disch's FF1 disassembly on the Commander X16. youtu.be/hentC4ewklY Hope you like it! #CommanderX16 #NES #RetroGaming #GameDev #PixelArt #Nintendo #retro #8bit #finalfantasy
youtu.be
Final Fantasy - Commander X16 (Dev Update 1)
YouTube video by Andy McCall
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Andy McCall 🔥 @andymccall.co.uk · 17/06/2026
Huge update to my project! My latest Dev Update 5 video shows some of the things I've added to Shinobi over the last week or so, but there's also alot under the hood. Hope you enjoy it! youtu.be/lwqgvmF4QeI #CommanderX16 #Shinobi #RetroGaming #GameDev #PixelArt #Sega #retro #8bit
youtu.be
Shinobi: Commander X16 (Dev Update 5)
YouTube video by Andy McCall
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ZeroBytesFree @dejavu4u2.bsky.social · 16/06/2026
I'd love to see an Amiga successor based on RISC V.
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Doomsday One @doomsday.one · 16/06/2026
Join our Discord server to follow along with our game developments! discord.gg/XpqRjJSWZJ #indiegamedev #gamedev #retrodev #8bit #16bit
discord.gg
Join the Doomsday One Community Server Discord Server!
Check out the Doomsday One Community Server community on Discord – hang out with 3 other members and enjoy free voice and text chat.
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Andy McCall 🔥 @andymccall.co.uk · 16/06/2026
I took way too long on the main menu before the game is even finished 🤣 #indiegamedev #gamedev #commanderx16 #retrodev #8bit
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Andy McCall 🔥 @andymccall.co.uk · 14/06/2026
Want to see the #CommanderX16 handling a ton of #Sega System16A sprites at the same time? I've always been happy with my work, but this is probably the most proud I've ever been of some code 😁😁😁 Per-slot demand-pinned VRAM frame cache w/ render and AI code living in HIRAM. #gamedev #retro #8bit
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Andy McCall 🔥 @andymccall.co.uk · 12/06/2026
Anyone else do really geeky things on their personal projects that would usall be reserved for the workplace? 😜 No? Just me? Ahem... okay.... 😂 Here's a nice graph of my free MAIN and STACK over the last 86 PR for you to "enjoy" 😂
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Andy McCall 🔥 @andymccall.co.uk · 09/06/2026
Dev Update 4 for Shinobi on the Commander X16. I've now got to the point where I need to significantly refactor the sprite engine so I can get more things on screen. I've PoC'd it out in a demo and it works, so next up is porting it to Shinobi and scaling it up. #gamedev #retro #8bit #retrogaming
youtu.be
Shinobi: Commander X16 (Dev Update 4)
YouTube video by Andy McCall
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Andy McCall 🔥 @andymccall.co.uk · 08/06/2026
PoC of a new sprite engine for the #CommanderX16. I took advice from devs in the community Discord and I'm streaming RLE compressed sprite frames straight from HIRAM into VRAM decompressing then swapping the pointer to update to the next frame. Now I need to implement this in Shinobi 🥷 #gamedev
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Everything C64 @everythingc64.itch.io · 07/06/2026
Petal Panic for the Commodore 64 (by Piggy 18) is a nice single screen platformer in development. The player's goal, as a farmer, is to seed the green areas. Well made and polished game, recommended. More info: piggy18.itch.io/petal-panic Credit x.com/dantemendes #Commodore #Commodore64 #C64
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Andy McCall 🔥 @andymccall.co.uk · 02/06/2026
Looking for anyone deep in Sega System 16 Z80 sound driver internals. I've ripped the YM2151 voice patches from the sound ROM ($0E4E table on Shinobi). What I'm missing is the SFX choreo voice note duration for in-game effects like the shuriken. Anyone help? #mame #arcade #ym2151 #retrodev
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FightinCowboy @fightincowboy.com · 01/06/2026
Happy pride month. Remember to kiss your homies goodnight.
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D r e a m k i d @dreamkid83.com · 26/05/2026
It’s totally fine if you just tell everyone that their AI art looks and sounds like utter shit because I promise you computers don’t get offended.
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Andy McCall 🔥 @andymccall.co.uk · 31/05/2026
This weeks work on Shinobi for the CommanderX16! The music is awesome on the CX16, using the same sound chip helps a lot. A few details like jumping over the barriers correctly took a lot of time. Next up: saving VRAM. #CommanderX16 #Shinobi #RetroGaming #GameDev #PixelArt #Sega #retro #8bit
youtube.com
Shinobi: Commander X16 (Dev Update 3)
YouTube video by Andy McCall
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Andy McCall 🔥 @andymccall.co.uk · 31/05/2026
Today is going to be spent authoring collision on the original Shinobi maps using the excellent Tiled from @thorbjorn.itch.io. I might have a pop and completing some of the weird maps left in the ROM too. #retrogameDev #commanderX16 #c #development #8bit
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Andy McCall 🔥 @andymccall.co.uk · 28/05/2026
Huge thanks to @h0ffman.bsky.social for the arcade Shinobi assets! I've now got full level loading, parallax scrolling and arcade-faithful platform jumps running on the Commander X16! Next up: Joe's weapons 🗡️ #CommanderX16 #Shinobi #RetroGaming #GameDev #PixelArt #Sega #retro #8bit
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Farrukh @implausibleblog.bsky.social · 27/05/2026
Zack Polanski explains the council haven't confirmed if he owes council tax. And says he gets more scrutiny than Farage and the £5m gift
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retronick2020.bsky.social @retronick2020.bsky.social · 27/05/2026
Update 1.8 - RetroConvert v1.8 — The Ultimate Retro Image Converter for Retro Programmers retronick2020.itch.io/retroconvert... #X16 #COMMANDER #C64 #BASIC #VERA #PIXELART #RETRO
retronick2020.itch.io
Update 1.8
Commander X16 Support!!!! Screen $80 320x240 in 256 colors Generates .BIN file in VERA image format. This and palette file can loaded directly to memory instantly with BVLOAD commands. Basic loader .B...
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retronick2020.bsky.social @retronick2020.bsky.social · 27/05/2026
Update 2.6 - VecDraw v2.6 — Vector Drawing Editor for Retro Programming retronick2020.itch.io/vecdraw-v10-... #COMMANDER #X16 #GAMEDEV #PIXELART #RETRO #BASIC #C64
retronick2020.itch.io
Update 2.6
Screen $80 320x240 in 256 colors Exports in Line format. All the images are converted to Line drawing commands which recreates the drawing perfectly. From the Render Window draw can be exported as VER...
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Andy McCall 🔥 @andymccall.co.uk · 27/05/2026
Dev Update 2 on my Shinobi: Commander X16 rewrite. I've moved to arcade fidelity graphics, which look absolutely awsome on the Commander X16! #RetroGameDev #GameDev #DevLog #Homebrew #IndieGame #C #CommanderX16 #X16 #VERA #Shinobi #SEGA #Arcade #ReverseEngineering #MAME #RetroComputing #8bit
youtu.be
Shinobi: Commander X16 (Dev Update 2)
YouTube video by Andy McCall
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Andy McCall 🔥 @andymccall.co.uk · 24/05/2026
@h0ffman.bsky.social Hey! I've been playing with the idea of writing a Shinobi clone for the Commander X16 and I've got some basics working. I've been using the SMS tiles and sprites, but I was wondering if you have a dump of the arcade tiles and sprites from your NeoGeo port? youtu.be/tOdeHRgRR3A
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Andy McCall 🔥 @andymccall.co.uk · 23/05/2026
Update on my Pac-Man remake for the Agon Light 2 This has been an on/off project since '24, when I started I intended to finish by December '24. Two years later and it's playable, but still not finished 🤣 #RetroGameDev #Z80 #eZ80 #Agon #AgonLight2 #RetroComputing #8bit
youtu.be
Pac-Man - Agon Light 2 - Update 4
YouTube video by Andy McCall
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Andy McCall 🔥 @andymccall.co.uk · 19/05/2026
Someone just bought my game on itch.io! 🕹️ ​It not about the money. It’s the fact that someone saw work from a dev making "neo-retro" games and thought it was worth their time and effort to buy it. ​Getting that email has honestly been the highlight of my year. 💻✨ ​#IndieDev #RetroGaming #Gamedev
itch.io
Download the latest indie games
itch.io is a simple way to find, download and distribute indie games online. Whether you're a developer looking to upload your game or just someone looking for something new to play itch.io has you co...
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Andy McCall 🔥 @andymccall.co.uk · 16/05/2026
I don't post on politics much: Burnham will lose to a Reform candidate in Makerfield This will leave either Streeting or Miliband as PM, with the other as Deputy Neither of those will win the next General Election, called early in Spring 2028 The country will be cooked until 2033 🥵🤢🫣😭
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Andy McCall 🔥 @andymccall.co.uk · 08/05/2026
Game idea: OnlyFans SHMU. You're an 20 year old firing dollars at OF models flying over holiday resorts. End of level bosses are well know content creators, They only go away when you've filled up the cash bar. Options menu has male skins for inclusivity. Sound track featuring Bhad Bharbi.
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Andy McCall 🔥 @andymccall.co.uk · 07/05/2026
Dev update 4. This time I've shown off the Agon Ligh 2 / Console8 port as it's had a LOT of work in the last few days. I've implmented full double buffering on the Agon to get rid of some flickering I was experiencing. I've also got interactions working... www.youtube.com/watch?v=k_pL...
youtube.com
From the Dead - Update 4 (Agon Light 2 / Console8)
YouTube video by Andy McCall
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Andy McCall 🔥 @andymccall.co.uk · 05/05/2026
Speech bubbles and interactive items took far too long to implement! However, I've hooked the events and text up to properties from Tiled maps, so I can now add/remove/change them without touching any asm at all! #retrogamedev #commanderx16 #tiled #asm
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Andy McCall 🔥 @andymccall.co.uk · 04/05/2026
Here's this week's update! The two big pieces to land are the Retro Bank Manager (RBM) - pages levels, options screens, etc. in and out from disk to overcome the memory limits. PLUS multiple rooms! youtu.be/4EGcGrGdadg #retrogamedev #6502 #z80 #neo6502 #agonlight #commanderx16
youtu.be
From the Dead — Dev Update 2 (Commander X16)
YouTube video by Andy McCall
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Andy McCall 🔥 @andymccall.co.uk · 03/05/2026
@studio8502.ca I didn't want to hijack your post, but this is my indie project: youtu.be/ubnrDQVEtLc It's a wannabe The Last of Us/Zelda/Final Fantasy type game for the Commander X16, Neo6502 and Agon. I'll be adding your machine to the build list when I can buy one!
youtu.be
From the Dead — Dev Update 2 (Neo6502)
YouTube video by Andy McCall
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