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iapetus 🇵🇹

@newiapetus.bsky.social
209 followers 238 following 338 posts

Prototyping/Programming games for retro machines. I also enjoy #pixelart. (Iapetus/Japetus(pronounced Yapetus) was a Titan in Greek/Roman myth.) 日本語が大好きだ。At the moment programming Zezito in the Glittering Caves for several retro machines. #forth

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0xC0DE @0xc0de.bsky.social · 28/09/2026
Now feeding an actual level "design" (made in Tiled) into the game instead of a looping image...
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0xC0DE @0xc0de.bsky.social · 27/09/2026
Look who's back to save the world again! Your favourite electrobot, aww 🥰
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iapetus 🇵🇹 @newiapetus.bsky.social · 27/09/2026
#RETROGAMING #8bit #thomson #mo5 My game Zezito in the Glittering Caves - Thomson MO5 featured in this video about the Thomson MO5 Michel Platini #RetroRevival #pixelartㅤ youtu.be/-cutWPMXGAc?...
youtu.be
Thomson MO5 Michel Platini : autopsie et test d'un mythe des années 80
YouTube video by Olipix
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Planeta Sinclair @andrelunaleao.bsky.social · 25/09/2026
Released... planetasinclair.blogspot.com/2026/09/munc...
planetasinclair.blogspot.com
Munch Infinity
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Negative Charge @negativecharge.bsky.social · 25/09/2026
Just a small update, but I now have 4x speed SID files dynamically playing on the SN76489. Cycles are very tight so I had to disable the scope and colour cycling, but sounds good. 🔊
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Negative Charge @negativecharge.bsky.social · 21/09/2026
Added in IRQ software bass by default... this is less harsh than using periodic noise via the LFSR. Also improved the scope visualization a little. Still lots of issues with SID files that trample all over the BBC Micro memory map, but this one appears to work just fine. 🔊
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Dbug @dbug.defence-force.org · 21/09/2026
I'll have to do some optimization, but we now have working teleporters and wall markings. There is no real combat, I just bash space to inflict damage. 😅 www.youtube.com/watch?v=oOLF...
youtube.com
Oric Dungeon Master #4 - Teleporters and Wall texts
YouTube video by Dbug's stuff
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0xC0DE @0xc0de.bsky.social · 12/09/2026
Zezito and the Lost Stars iapetus2019.itch.io/zezito-and-t...
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0xC0DE @0xc0de.bsky.social · 18/09/2026
"Wanted: Monty Mole" (WIP) on Acorn Electron. Took longer than expected because movement code is quite convoluted. Not perfect yet. Slowed down to target 25fps. Funny quirks in original game (and in mine): 1. No eye when walking right, 2. Walks slower on some tiles because constantly "falling"
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0xC0DE @0xc0de.bsky.social · 14/09/2026
Minor update to Electroniq (0xc0de6502.github.io/electroniq/), my online Acorn Electron emulator. You can now Quick Play™️ new games like Pyjamarama, Citadel 2, Chuckulus, Apache Canyon & Zezito and the Lost Stars. Many thanks to their authors and Nyimski for hosting the ROMs
static.klipy.com
Shall We Play A Game? - Saw Puppet
ALT: Shall We Play A Game? - Saw Puppet
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Negative Charge @negativecharge.bsky.social · 09/09/2026
Inspired by @kieranhj.bsky.social 's realtime AKS player on the BBC Micro, I reused the AY-3-8912 to SN76489 converter to expand this to realtime playback of PT3 files from Vortex Tracker. This opens up another tracker that can now be used for BBC Micro music composition. Much smaller than ym files.
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Mark Moxon @markmoxon.bsky.social · 30/08/2026
Status check for two-player #BBCMicro Elite: Development… [Done] Testing… [Done] Website… [Done] Technical deep dive… [Overdone] Code repository… [Done] Document all mods… [Done] Confirm date… [Done] Releasing this Thursday, 3 September Get your twin joysticks ready! #retrogaming #retrocomputing
Game over screen from two-player Elite
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Dbug @dbug.defence-force.org · 31/08/2026
I'm spending time on trying to get a working layout for the game because contrary to the Atari ST that has more of wider resolution (320x200) the Oric is more square (240x224) so we have more vertical space. So I decided to try to have the portraits always visible!
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0xC0DE @0xc0de.bsky.social · 31/08/2026
Exploiting RAM contention to sync to hblank after RTC interrupt fires to get stable horizontal colour palette switching in MODE1 on Acorn Electron (from SWRAM). Video reveals the exact locations of the palette switches, including partial colour changes. Bit afraid to test on real hardware 🫣
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RETROVULCANO @retrovulcano.es · 22/08/2026
Tiny Peter es un nanobot médico y ha sido enviado al interior del cuerpo de un alienígena enfermo para ayudarle a curarse de su enfermedad. Está disponible en sunteam.itch.io/tinypeter para #ZXSpectrumnext ¡Muy divertido! 😃👍🏻🕹️ #retrogaming #zxspectrum #arcade #plataformas #videojuegos
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SarahJaneAvory @sarahjaneavory.bsky.social · 13/08/2026
C64 #Delphian progress: still working on this BTW. Latest additions include getting the solar systems working (with 2 - 6 planets), WIP on solar system chart, and the addition of a Stardrive for fast travelling within a solar system. I should perhaps make a progress video soon...
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SarahJaneAvory @sarahjaneavory.bsky.social · 04/08/2026
C64 #Delphian progress: added an image for the cargo bay, so here's another WIP video clip. Thinking of updating the image with cargo canisters as the cargo bay fills up...
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SarahJaneAvory @sarahjaneavory.bsky.social · 02/08/2026
C64 #Delphian progress: I've created an interior image and I quite like it... so I hooked it into the game. Anyway, here's how the game looks at the moment.
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0xC0DE @0xc0de.bsky.social · 01/08/2026
🔊 Release v1.0 of Pyjamarama for Acorn Electron 48K (converted from ZX Spectrum 48K). Best experience is on a real Electron (with 16K SWRAM) or in my Electroniq emulator. ☕ Buy me a coffee if you like my work ko-fi.com/0xc0de 🕹️ More info and tape/disk images on github.com/0xC0DE6502/p...
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Yawning Angel @yawning-angel.bsky.social · 30/07/2026
More Electron coding, and this time we get going with Modes and Colours, looking at the 6 screen modes available on the Elk. Also look at some commands that help with coding too. Ooh… 😮
 
youtu.be/jCbp5qDm4l0 #acornelectron #retrocomputing #acorn
youtu.be
Acorn Electron BASIC coding part 2 - Modes & Colours
YouTube video by Yawning Angel Retro
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DrSmey @drsmey.bsky.social · 29/07/2026
#aseprite #pixelart Ink Castle (2024)
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BrewOtaku Homebrew Retro Gaming Magazine @brewotaku.bsky.social · 30/07/2026
Skellywave (2026) by Optimus6128 for MS-DOS. A top-down maze where skeletons chase you, you shoot daggers and collect gems to reveal the exit — difficulty ramps until an empty room resets loop. Runs on an 8088 at 4.77MHz 🎁 optimus6128.itch.io/skellywave #homebrew #msdos #retro #game #skellywave
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Vin 😺💜 @vinscool.bsky.social · 29/07/2026
A cover of Knight Man from Mega Man 6, made in 2019. I consider this one to be one of my best Mega Man covers I have made on the POKEY, and I did make quite a few of them actually :3c
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Snuggsy187 @snuggsy187.bsky.social · 28/07/2026
Someone over on StarDot just dug up an old topic I started FIVE years ago regarding my attempted port of Pooyan for the BBC Micro.... they're wondering what happened with it ! .....can't honestly remember ! 🤷
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SarahJaneAvory @sarahjaneavory.bsky.social · 28/07/2026
#C64 #Delphian progress: life's been a bit up and down recently, but it's okay now. So, did a bit more work on the game, getting the star chart to work. I can now select a destination star system (that's in range) and jump there. Still some optimisation to do, but here's how it's looking so far...
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Lorraine🍬 @lorandbehold.bsky.social · 27/07/2026
I made a bee game in 36 hours for DTJ36! 🐝 It's called... Bees Wax! (lol) 🧱 Place pieces of honeycomb 🐝 Get bees! 🌷 Place exits for the bees to get pollen 🍯 Honey!! Check it out here: lexaloffle.com/bbs/?tid=158322 Or find it directly in Pico-8 by running "load #beeswax"!
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iapetus 🇵🇹 @newiapetus.bsky.social · 25/07/2026
#RETROGAMING #8bit #c64 #MO5 #Elk Have you played my games?: >> iapetus2019.itch.io #8BitArt #IndieGame #PixelPerfect #GamingCommunity #ArcadeVibes #OldSchoolGaming #GameDev #RetroRevival
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Mark Moxon @markmoxon.bsky.social · 24/07/2026
Two-player #BBCMicro Elite has just become the first game ever to support all the buttons on twin Delta 14B joysticks So two players can dogfight in Elite without either of them needing the keyboard For some of us, this is a dream come true! And it justifies all this hardware I keep buying... 😀
Two-player EliteKey legend for the Delta 14B in two-player EliteOne Delta 14B joystick and the 14B/1 adaptor box
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Negative Charge @negativecharge.bsky.social · 25/07/2026
SoftSID 0.0.6 for the BBC Micro Added ability to specify the .sid file and track number on the command line. Many optimizations to bring the cycle count down too. Should be ready for a preview release soon once I've chased a few more cycles and relocated some more example SIDs. 🔊
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0xC0DE @0xc0de.bsky.social · 24/07/2026
ASCII Invaders (10-liner), an exercise in BBC BASIC code golfing. I enjoyed making stuff like this and should return to it one day. Inspect/edit the source code and play the game (Z,X,RETURN) via Owlet BBC BASIC Editor bbcmic.ro#%7B%22v%22%3...
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0xC0DE @0xc0de.bsky.social · 23/07/2026
Pyjamarama (WIP). Demo mode done. Next up: fireworks on the "win screen". For these 2 features I unpack and hide the data (scripts) in the upper part of the screen temporarily. Desperate times, desperate measures when it comes to available RAM 😅
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Radastan @bytemaniacos.com · 21/07/2026
Nuevo juego para #ZXSpectrum, un estupendo juego de golf muy divertido. @menyiques.bsky.social se lo ha currado a base de bien, y ver nuevos juegos deportivos es refrescante.
menyiques.itch.io
ZXGolf for Spectrum 128Kb by Menyiques
ZXGolf. The golf game your Spectrum deserved.
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0xC0DE @0xc0de.bsky.social · 21/07/2026
Pyjamarama (WIP). That's the Arcade Room (mini game) done! However, I may just rewrite this particular room in MODE4. That might give me a fighting chance for more speed and flicker-free sprites. At the moment the poor Elk is drawing twice the amount of sprite data as the Speccy 😫
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Jason Moore @moorejh.bsky.social · 19/07/2026
Love this visualization of the 6502 instruction set. May you JMP for joy as you digest this ;) #retrocomputing #coding
visualization of the 6502 instruction set
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Negative Charge @negativecharge.bsky.social · 20/07/2026
SoftSID v0.02 for the BBC Micro This is a bit more like it. Upped the audio rate to 6.1 kHz to match the VIC-20 version. Also re-located the SID to &1100 which was the cause of the random hangs and inability to playback on the Model B due to a DFS clash. I need to relocate a different SID now 😊🔉
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Negative Charge @negativecharge.bsky.social · 20/07/2026
Just to prove to myself that playback of other SID files via the SoftSID, here's Plastic Pop by Danko 🔊
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Mark Moxon @markmoxon.bsky.social · 16/07/2026
Missiles are now working in two-player #BBCMicro Elite. This clip shows player 1 firing a missile at player 2 (in the bottom view) and then player 2 retaliating (in both views). This was really difficult to build! But it's important; see the thread for details. #retrocomputing #retrogaming (1/3)
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SarahJaneAvory @sarahjaneavory.bsky.social · 15/07/2026
#C64 #Delphian progress: bit more work on the hyperspace effect this evening. Also added fade in/out on cursor, plus added a charging message and bar.
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Negative Charge @negativecharge.bsky.social · 12/07/2026
Just to close this one out... random colour palette, screen fades and the odd teapot. Source code at the link below for those interested. I'm sure it can be optimized and even implemented in a better way. github.com/NegativeChar...
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0xC0DE @0xc0de.bsky.social · 12/07/2026
Port of Pyjamarama to Acorn Electron (WIP). I have converted enough to be able to complete the game now. Working on the "you lose" and the "you win" screens, with nice chunky font. Screen mode split is still active but you won't notice it. Also, large boulder could be smoother but is good enough
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Negative Charge @negativecharge.bsky.social · 10/07/2026
Works on the Acorn Electron too. Just a little bit slower.
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Negative Charge @negativecharge.bsky.social · 10/07/2026
I haven't posted any demos for a long while, so here's a version of 2D Pipes in Mode 2 which works as quite a good screensaver for the BBC Micro. No music on this one as I waste 20kb just on the screen mode. No random teapots at the moment either. It might look better in Mode 1 with square pixels.
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Tiny Glade 🏰🌿 @pouncelight.bsky.social · 11/07/2026
It's been 84 years, but we're cooking again! For y'all who wanted to build rustic villages, here's a sneak peek of upcoming wooden walls 👀
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iapetus 🇵🇹 @newiapetus.bsky.social · 10/07/2026
#c64 #music #sid #commodore64 Making another song from scratch in SID-Wizard! -- *Episode 2* by therealLMXprod www.youtube.com/watch?v=2m4x...
youtube.com
Making a song from scratch in SID-Wizard -- Episode 2
YouTube video by therealLMXprod
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BrewOtaku Homebrew Retro Gaming Magazine @brewotaku.bsky.social · 09/07/2026
Owarix (2026) by orac81 for VIC-20. An ancient two-player Mancala game with roots potentially dating back to 6000 BC. Can you outsmart your opponent in this ancient board game? 🎁 orac81.itch.io/owarix #homebrew #vic20 #retro #game #owarix
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0xC0DE @0xc0de.bsky.social · 08/07/2026
Port of Pyjamarama to Acorn Electron (WIP). Quick update while I'm busy coding all different actions/events/animations in the game. Let's make a few quick trips to the moon and back! 👾👾👾
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Snuggsy187 @snuggsy187.bsky.social · 09/07/2026
Just saying finding it way to hot to concentrate on ANY kind of retro stuff..... 29c in the house today, plus had to make a trip out in the car at 1pm.... Personal thermostat be broken !
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Monte Boyd @monteboyd.bsky.social · 26/06/2026
Infe2tation is out now! monteboyd.itch.io/infe2tation The galactic sheriff is back to unravel the Mystery of the Crystal Moon. Run ’n’ gun action with massive levels, varied enemies, 4 distinct areas, fun power ups, and a mini-game featuring robo-sidekick, D3P-UT! #c64 #commodore64 #pixelart #8bit
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Negative Charge @negativecharge.bsky.social · 05/07/2026
I've replaced the compression with zx02 from lzss, which on average is giving 2kb smaller files. I've also implemented a new SID converter to handle some of the trickier tunes. Doesn't look any different, but I can now squeeze a few extra tracks onto the BBC Micro music disks. 🔊
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SarahJaneAvory @sarahjaneavory.bsky.social · 02/07/2026
#C64 #Delphian progress: this is still a bit rough, but here's the latest video clip. From planet surface to space, and back again to landing on the planet and walking around. Needs a bit of optimisation in places, then comes a hyperspace jump!🙂
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