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Posts by Pedro de Medeiros 👾

Caterpuzzle has buttons/gates pairs
Caterpuzzle has buttons/gates pairs YouTube video by Pedro de Medeiros

Caterpuzzle enhancements:
* warp portals
* button/gate pairing mechanism
youtu.be/-tt4oEUZwLs
#msx #gamedev #homebrew #sdcc #msxgl #snake #caterpuzzle

1 month ago 10 3 0 0
Caterpuzzle is still in development
Caterpuzzle is still in development YouTube video by Pedro de Medeiros

#msx #gamedev #homebrew #msxgl #sdcc #caterpuzzle #snake #msxtileforge www.youtube.com/watch?v=UnPi...

1 month ago 7 2 0 0
Mrs. Carter the caterpillar grows to reach new heights
Mrs. Carter the caterpillar grows to reach new heights YouTube video by Pedro de Medeiros

The basic game algorithm is ready: www.youtube.com/watch?v=WuJV... #gamedev #msx #msxdev #msxdev25 #caterpuzzle #snake #msxtileforge #msxgl #sdcc #homebrew #8bit

1 month ago 8 4 0 0
Caterpuzzle, a side view snake-like puzzle
Caterpuzzle, a side view snake-like puzzle YouTube video by Pedro de Medeiros

Weekend was productive. #msx #gamedev #homebrew #msxgl #sdcc #msxdev #msxdev25 #caterpuzzle #snake #msxtileforge
youtu.be/phEbcUzDNmo

1 month ago 7 3 0 0
Snake-like puzzle for the MSX1
Snake-like puzzle for the MSX1 YouTube video by Pedro de Medeiros

Updates on the snake puzzle: 16x16 meta-tiles and key controls working #msx #msxdev25 #msxgl #homebrew #sdcc #msxtileforge #snake #gamedev #8bit www.youtube.com/watch?v=uS4d...

2 months ago 7 2 0 0
Ms. Carter the Caterpillar in a maze

Ms. Carter the Caterpillar in a maze

A snake puzzle for the MSX, but it's actually a female caterpillar. Graphics by MSX Tile Forge. #msx #gamedev #msxtileforge #homebrew #snake #msxgl #sdcc

2 months ago 11 2 0 0

As Carl Sagan would put it, "if you wish to start dating, you must first invent the universe."

2 months ago 15 1 0 0

That reminds me of the "how long a grad student takes to detect an impostor in their field" joke.

2 months ago 0 0 0 0
The Trace Viewer in action after running my profiler script in Tcl.

The Trace Viewer in action after running my profiler script in Tcl.

I created a profiler with some lines of Tcl script thanks to OpenMSX new Trace Viewer. It's easy to use and doesn't require the programmer to insert INs and OUTs in his code, so it works with old ROMs too. #openMSX #msx #tcl #debugging #gamedev #profiler #homebrew #8bit

3 months ago 9 3 0 0
Arkanoid project (MSX2): all power-up pills
Arkanoid project (MSX2): all power-up pills YouTube video by Pedro de Medeiros

Arkanoid project is not dead. Here is a small update. #msx2 #msx #homebrew #msxgl #sdcc #gamedev #arkanoid www.youtube.com/watch?v=AHT7...

5 months ago 14 4 0 0
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GitHub - pvmm/XPM2SC5: Converts xpm image into MSX2 SCREEN5 (GRAPHICS4) Converts xpm image into MSX2 SCREEN5 (GRAPHICS4). Contribute to pvmm/XPM2SC5 development by creating an account on GitHub.

I release a new version of my image conversion tool to make MSX2 games in screen 5 #msx #msx2 #gamedev #retrocomputing github.com/pvmm/XPM2SC5

8 months ago 8 4 0 0
New Method Is the Fastest Way To Find the Best Routes | Quanta Magazine A canonical problem in computer science is to find the shortest route to every point in a network. A new approach beats the classic algorithm taught in textbooks.

www.quantamagazine.org/new-method-i...

8 months ago 0 0 0 0
msx tile forge in action

msx tile forge in action

Trying Danilo Angelo's tile editor I created this little experiment. Do you know what game this is? #msxtileforge #msx #gamedev #arcade github.com/DamnedAngel/...

8 months ago 13 4 0 0
Video

We've acquired the historic game magazine Computer Entertainer.

As in, we got the rights. We own the magazine. And we're putting it into the Creative Commons for anyone to use for free.

Learn more: gamehistory.org/computerente...

8 months ago 3826 1158 44 92

Vai concorrer no MSXdev25 e, segundo as regras da competição, não posso lançar antes. 😅

8 months ago 1 0 1 0

Yes, song #14 from the Gunbuster soundtrack called "Kiki" is inspired by Gustav Holst's "Mars, the Bringer of War".

8 months ago 2 0 0 0
MSXdev25 – MSXdev Contest

MSXdev25 is about to happen again #msxdev #homebrew #8bit #msx www.msxdev.org/2025/07/15/m...

9 months ago 4 1 0 0
Arkanoid project (MSX2): dropping power-up pills
Arkanoid project (MSX2): dropping power-up pills YouTube video by Pedro de Medeiros

Latest update! #msx #msx2 #arkanoid #gamedev #homebrew #openmsx #msxgl #sdcc #8bit #msxdev

9 months ago 12 4 0 0
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I Deleted My Second Brain Why I Erased 10,000 Notes, 7 Years of Ideas, and Every Thought I Tried to Save

www.joanwestenberg.com/p/i-deleted-...

9 months ago 0 0 0 0

Ele assistiu Donnie Darko?

9 months ago 2 0 1 0
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two men are standing next to each other in front of an elevator ALT: two men are standing next to each other in front of an elevator
9 months ago 1 0 0 0
An OpenMSX debug window displays two combined sprites (in a 3-colour result using OR-colour combinations) for an animated "Slow" energy pill.

An OpenMSX debug window displays two combined sprites (in a 3-colour result using OR-colour combinations) for an animated "Slow" energy pill.

The animated "power pill" (with an "OR-colour" palette) is made of two sprites. #msx #8bit #msx2 #arkanoid #gamedev #retrogames #openMSX

9 months ago 16 4 0 0
Fraud Squad, Tax Evasion & Being Sued! | The R-Type ZX Spectrum Story
Fraud Squad, Tax Evasion & Being Sued! | The R-Type ZX Spectrum Story YouTube video by Seb's Place

A brilliant 80s computer games history video. #r-type #speccy #zxspectrum #arcade #gameports youtu.be/5lKs5jlB5n8

10 months ago 0 0 0 0
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a cat is laying on a bed with a sign that says soon . Alt: "soon"
10 months ago 1 0 1 0
Arkanoid project (MSX2): hit the bricks!
Arkanoid project (MSX2): hit the bricks! YouTube video by Pedro de Medeiros

Brick collision and removal #msx2 #arkanoid #msxgl #gamedev #openmsx #msx #8bit youtu.be/1tPeYFQbxUM

10 months ago 10 3 1 0

By popular request, I’m now offering hardcover editions alongside the paperback version. The new edition is larger, printed with Amazon's premium ink and bound with a sturdy cover. amazon.com/dp/B0F4P5RB25

10 months ago 11 4 1 0

Oh god, stop the proliferation of retrocomputer groups and channels on every social network. My attention is not infinite.

10 months ago 1 0 0 0
Video

#Gaurodan is out!

The 2013 game has been completely redone to fit my current vision of traditional arcade game design. It's denser (more levels but less overall length), with better pacing, mechanics and a proper scoring system.

Music by @gryzor87.bsky.social ♫
Info and downloads at locomalito.com

10 months ago 1114 371 39 38
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Arkanoid project (MSX2): blocks added
Arkanoid project (MSX2): blocks added YouTube video by Pedro de Medeiros

Adding stuff to the Arkanoid project: blocks and more collision angles depending on where VAUS hits the ball #msx #msx2 #arkanoid #gamedev #retro #msxgl #8bit youtu.be/9Jfnxcu_ZGM

10 months ago 9 2 0 0

Eu colocaria dois iguais pra dizer que é plural, senão a pessoa tenta buscar mais significados do que deveria. 😵‍💫

10 months ago 2 0 1 0