Doktor Slem's Avatar

Doktor Slem

@drslem.bsky.social

Democoder (primarily on Amiga) and all-round nice guy. codingwithballs.wordpress.com Totally a doctor on the internet.

122 Followers  |  58 Following  |  22 Posts  |  Joined: 12.11.2024  |  1.9479

Latest posts by drslem.bsky.social on Bluesky

Innioasys Y1 iPod clone balancing on a green vine

Innioasys Y1 iPod clone balancing on a green vine

I ended up buying one, quite happy with it so far! (Haven't Rockboxed it yet, expecting it to be even better then).

Only real issue so far was one case of it deciding to blast music through its speaker while a wired headset was also connected and playing. Sharing is caring. πŸ˜†

16.09.2025 07:44 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
Scenic view of a lake, seen from a pack raft out on the water.
Front of pack raft, with a couple of fishing rods is visible at the bottom of the photo.

Scenic view of a lake, seen from a pack raft out on the water. Front of pack raft, with a couple of fishing rods is visible at the bottom of the photo.

Dark night view of a camp site by a lake, with the moon above.

Dark night view of a camp site by a lake, with the moon above.

Morning view of lake and campsite, as seen from my hammock when I woke up (but that bit's not apparent from the photo, that's just between us alt-text readers).

Morning view of lake and campsite, as seen from my hammock when I woke up (but that bit's not apparent from the photo, that's just between us alt-text readers).

So, did I stay at home this weekend and get started on some of my coding projects, like I intended?

I most definitely did not!

08.09.2025 09:50 β€” πŸ‘ 2    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Ooh, and it's got my old baby Mali-400 inside! (Totally irrelevant for any of its use cases, but still!)

02.09.2025 06:42 β€” πŸ‘ 2    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0

It's all fun & games until Maxifreak and Megafreak show up.

26.07.2025 11:46 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

The only sane reason to challenge Blueberry in an optimizing battle is to see what he'll do to beat you.

28.06.2025 21:58 β€” πŸ‘ 6    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0

Just skimmed it , but this looks really interesting!

Also, I can smell those offices. :D

24.06.2025 14:01 β€” πŸ‘ 2    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
Phobium and Xeche rocking the stage in 2023.

Phobium and Xeche rocking the stage in 2023.

We repeatedly told Henning and Hans, "det holder!" but they just won't listen. πŸ™‰ So, by unpopular demand – expect silly kicks, stupid samples, pointless breaks, and preposterous mixing. If you are not convinced yet, listen to tiny.cc/yyon001 Henning & Hans spiller opp til dans!

Photo: ernie / BV23

22.06.2025 15:33 β€” πŸ‘ 4    πŸ” 2    πŸ’¬ 0    πŸ“Œ 0
A green plant which is stretching over a cubicle wall in an office and partially covering a computer screen on the other side.

A green plant which is stretching over a cubicle wall in an office and partially covering a computer screen on the other side.

Still some time left before it reaches equipment I actually use.

21.06.2025 11:27 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Whoah, Black Valley (bam-ba-lam)!

23.05.2025 14:44 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

16 planes on OCS!

14.05.2025 08:41 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
logicoma - entropy chamber
YouTube video by ferrisstreamsstuff logicoma - entropy chamber

logicoma - entropy chamber
amiga aga 060

www.youtube.com/watch?v=vH3U...

30.04.2025 16:31 β€” πŸ‘ 18    πŸ” 10    πŸ’¬ 2    πŸ“Œ 1

I retract the "Note sure..." but. For reasonably sized polys and a decent amount of overdraw it should absolutely be worth it. :D

01.04.2025 06:59 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Yeah, seems like a variant of c-buffer / coverage buffer (if I remember the terminology correctly).

Not sure if it's worth the extra overhead just for the basic texturemapping in the screenshot, but "I'm sure they profiled it" :).
Could definitely be worthwhile for more complex per-pixel work.

01.04.2025 06:41 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
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I got this inexplicable urge to point out that I watched The lair of the white worm yesterday.

15.03.2025 09:39 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
C64 Demo: Phonics Is Dead 100% by Phonics! 18 February 2025!
YouTube video by C64! C64 Demo: Phonics Is Dead 100% by Phonics! 18 February 2025!

”Phonics is dead” demo is out! hrab it while it’s hot. or more like view it. youtu.be/vH0Bf4G3JVY?... #commodore #c64 #demoscene #underground

18.02.2025 09:47 β€” πŸ‘ 6    πŸ” 3    πŸ’¬ 1    πŸ“Œ 0

I love it. 🐰

18.02.2025 10:26 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Han er den Beste i det han gjΓΈr!

14.02.2025 08:35 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Ah, The Last Finger - the AGA intro where one of the effects rendered in a _smaller_ display window if your cpu is better than a 68020.

"Someone" learnt, right before the deadline, about the slower chip mem access of an A4000. The obvious fix was to render less on anything but a vanilla A1200. 🫠

10.02.2025 07:55 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

I agree, might be a combination of both the source material and bitplane blending.

09.02.2025 20:47 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
Preview
Chaosmaze 40k Intro by Razor 1911, released 2 April 1994

Well, doing the scaling quickly enough ain't bad - and I might of course be completely mistaken about what's going on there. πŸ˜…

Btw, there was a 40k intro at The Gathering 94 which used a very similar-looking upscaler: demozoo.org/productions/...

09.02.2025 20:28 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0

I'm not sure, but I suspect the image compression is fixed-rate, "just" rescaling 72x56 3bpp -> 288x224 4bpp. Possibly with blitter-assisted interpolation.
Numbers taken from one of Electric's post in the CSDB thread about Fishbomb (may include pop-ups): csdb.dk/release/?id=...

09.02.2025 19:32 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
Video thumbnail

More Amiga demos tonight.

#demo #Amiga #scenedemo #demoscene #Commodore #CommodoreAmiga #retrocomputing #vintagecomputing #chiptune #trackertunes #CRT #retrocomputers #MODs #retrowave #ByteCellar

17.01.2025 07:02 β€” πŸ‘ 24    πŸ” 3    πŸ’¬ 1    πŸ“Œ 0
Preview
Black Valley 2025 Β»The scene is undeadΒ« – Demoparty – 11th - 13th July 2025 – Blakers Samfunnshus A/L, Blaker, Norway πŸ‡³πŸ‡΄

Black Valley 2025 - "The scene is undead": 11th - 13th July 2025, Blakers Samfunnshus A/L, Blaker, Norway πŸ‡³πŸ‡΄

13.01.2025 09:41 β€” πŸ‘ 4    πŸ” 2    πŸ’¬ 0    πŸ“Œ 0
Revision 2025 - April 18th to 21st Revision 2025 - April 18th to 21st

New year, new Revision - April 18th to 21st at the E Werk!
Our website is live, and you can already sign-up at
2025.revision-party.net

07.01.2025 20:41 β€” πŸ‘ 37    πŸ” 22    πŸ’¬ 0    πŸ“Œ 3

🎀🎢 "... tralala.. camera with which to take BIC PICS" 🎢

11.12.2024 13:11 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
Post image

It hasn’t been officially announced yet, but.. I’ve signed on to chair real-time live for Siggraph Asia 2025 in Hong Kong! I look forward to picking up the mantle from so many great people before me, and to lead what I aim to make a great program!

Yes, this means I’ll be asking for submissions :)

04.12.2024 08:26 β€” πŸ‘ 14    πŸ” 1    πŸ’¬ 1    πŸ“Œ 1

If you're instead interested learning more from our tech-art side, here's our VFX / compositing breakdown of "When Silence Dims The Stars Above", our 64k intro / short film from 2018: www.youtube.com/watch?v=5Q0Y...

23.11.2024 11:03 β€” πŸ‘ 21    πŸ” 10    πŸ’¬ 0    πŸ“Œ 0

Real estate prices may never recover, but the block parties are going to be AMAZING 🐽❀️

22.11.2024 08:03 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
The text "Greetings to H7", rendered with the Topaz font on the distinctive blue background of the Amiga kickstart 1.2 / 1.3 workbench.

The text "Greetings to H7", rendered with the Topaz font on the distinctive blue background of the Amiga kickstart 1.2 / 1.3 workbench.

Indeed they do!

21.11.2024 15:06 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
A colourful collage of 15 screenshots from various demoscene productions made for Amiga computers.

A colourful collage of 15 screenshots from various demoscene productions made for Amiga computers.

Hi! I sometimes code demos for old computers, preferably Amiga 500 (although I also dabble in higher-specced Amigas and C64).

These are some things I've made.
(Others may include horribly mutated dancing moose, psychedelic birds from Norwegian children's shows, or worse.)

#amiga #demoscene

21.11.2024 10:47 β€” πŸ‘ 44    πŸ” 14    πŸ’¬ 2    πŸ“Œ 1

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