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peruho

@peruho.com

Interaction Designer with a keen interest in vintage computing and electronics. Passionate about retro technology like Z80, MSX, MiniDisc ๐Ÿ’ฝ Sony aesthetics fan. Dumb programmer. Lived 13 years in Japan ๐Ÿ‡ฏ๐Ÿ‡ต

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08.11.2023
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Latest posts by peruho @peruho.com

Wow! Twenty years ago, I was preparing for a trip to Japan on a MEXT scholarship. I left Spain at the beginning of April 2006. ๐Ÿคฏ

11.03.2026 10:09 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

15 years since the Tลhoku earthquake. Time flies.
I will never forget that day. Be always prepared for any disaster, it doesn't matter where you live.

11.03.2026 07:19 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Me imagino. Si es que cuando estaba en Japรณn, creo que allรญ lo eliminaron en el 2012! Andamos un poco detrรกs ๐Ÿคฃ

09.03.2026 12:50 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
Preview
El fin del 2G y 3G en Movistar, Vodafone y Orange Orange apagarรก el 3G en 2025 y el 2G en 2030. Movistar apunta a 2026-27 para ambas redes. Vodafone ya ha comenzado el proceso.

He encontrado aquรญ que el apagado 2G es posterior al 3G (en Espaรฑa) www.adslzone.net/noticias/ope...

09.03.2026 12:46 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
Rendering for DELTA โ€“ 3D on MSX2 โ€“ Jacco's Blog

Blog entry from @jbikker.bsky.social about the rendering technique on DELTA. 3D on #MSX
jacco.ompf2.com/2026/03/07/r...

09.03.2026 12:44 ๐Ÿ‘ 7 ๐Ÿ” 6 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
Rendering for DELTA โ€“ 3D on MSX2 โ€“ Jacco's Blog

Blog entry from the author:
jacco.ompf2.com/2026/03/07/r...

09.03.2026 12:42 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Yo pensaba que era al revรฉs, que hay tantos servicios de emergencias y crรญticos que aรบn dependen del 2G que aun se mantenรญa cierto tiempo.

09.03.2026 12:22 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
Post image

Map of Japan I made a while back !

I still need to figure out a way to carve out some free time, but I'd really like to do one of Greece / the Aegean Sea at some point
#pixelart

08.03.2026 15:28 ๐Ÿ‘ 195 ๐Ÿ” 43 ๐Ÿ’ฌ 3 ๐Ÿ“Œ 0

My bad for that B, 4Mbit = 512KB

23.02.2026 08:02 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

He showed in the first MSXGOTO a small demo with the technique.

23.02.2026 07:29 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

It's a very good trick. The author is a magician.
It is pre-rendered and streaming from the 4MB ROM. I think it's replacing only the tiles that change each frame.
Don't know more details, tho.

23.02.2026 07:28 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

Ostia, espero que puedas volver pronto y bien. Menuda movida.

22.02.2026 18:58 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
MSX1 3D Interactive Demo
MSX1 3D Interactive Demo YouTube video by cave_fish

The topic of raycasting on MSX has come up. A while ago I made a renderer for MSX 1 which looks like a raycaster (so-called backwards projection) but in fact it's a rasterizer (forward projection). This reduces the per-column cost significantly. Doom worked this way. www.youtube.com/watch?v=8l52...

16.02.2026 17:43 ๐Ÿ‘ 14 ๐Ÿ” 6 ๐Ÿ’ฌ 3 ๐Ÿ“Œ 0

This is amazing ๐Ÿ˜. All your work is incredible!

16.02.2026 18:09 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

๐Ÿงต Los 7 secretos de los objetos en C++ que deberรญas conocer

โš ๏ธ "Objeto" en C++ NO es "instancia de clase" (POO). Es mรกs fundamental.

**Un objeto es una regiรณn de memoria con semรกnticas asociadas**

Son bytes en RAM a los que C++ da significado.

Vamos a destripar esto ๐Ÿ”ฝ
#CPP #Programming
1/11

14.02.2026 21:48 ๐Ÿ‘ 9 ๐Ÿ” 6 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

MSX2 is actually a color per line, you can overlap 2 sprites and get a third color using bitwise OR.
And a max of 8 sprites per line.

12.02.2026 21:50 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
Preview
Phonopolis Demo on Steam Protected by his headphones, Felix has broken free from the loudspeakersโ€™ control and finds himself in the streets of the cardboard city of Phonopolis. Explore the Workersโ€™ Quarter with him and tune i...

OMG! Phonopolis is so beautiful!!!!
I played the demo and I can't wait to play the final game โค๏ธ๐Ÿฆป๐Ÿ“ฃ

store.steampowered.com/app/4109130/...

11.02.2026 18:52 ๐Ÿ‘ 3 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Phonopolis Demo is OUT NOW on Steam!! ๐Ÿ“ฃ
store.steampowered.com/app/4109130/...

Take a look at how we built the cardboard city by hand.

11.02.2026 15:06 ๐Ÿ‘ 534 ๐Ÿ” 189 ๐Ÿ’ฌ 10 ๐Ÿ“Œ 31
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๐Ÿ“ฃ Attention. This is an important service announcement. ๐Ÿ“ฃ

Phonopolis will open for a public demonstration on February 11. Prepare your Steam permits and stand by for additional directives.

10.02.2026 14:16 ๐Ÿ‘ 129 ๐Ÿ” 33 ๐Ÿ’ฌ 2 ๐Ÿ“Œ 6

6 MSXs in a box!! Poor little machines :(
Now, you have to give them some love to compensate for being forgotten.

09.02.2026 07:19 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Que me dices! No tenรญa ni idea T_T

08.02.2026 16:09 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
้›ชใฎ้‡‘้–ฃๅฏบ
Kinkakuji temple,Kyoto

้›ชใฎ้‡‘้–ฃๅฏบ Kinkakuji temple,Kyoto

้›ชใฎ้‡‘้–ฃๅฏบ
Kinkakuji temple,Kyoto

้›ชใฎ้‡‘้–ฃๅฏบ Kinkakuji temple,Kyoto

้›ชใฎ้‡‘้–ฃๅฏบ
Kinkakuji temple,Kyoto

้›ชใฎ้‡‘้–ฃๅฏบ Kinkakuji temple,Kyoto

้›ชใฎ้‡‘้–ฃๅฏบใ€€ๆ’ฎใ‚Œใพใ—ใŸ

08.02.2026 02:51 ๐Ÿ‘ 633 ๐Ÿ” 203 ๐Ÿ’ฌ 5 ๐Ÿ“Œ 1

Really excited to play this one. It's incredible the love you guys put in your games.

07.02.2026 08:01 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
MSX Sony HB-101 opened, showing several mods for wall-mounting.

MSX Sony HB-101 opened, showing several mods for wall-mounting.

All mods are 3D printed and reversible. Replaced the power supply with a new one (-900 gr), added a power booster for 12V and mini magnets to keep the handle in place. Quite happy with the result. #MSX

06.02.2026 16:36 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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The Sony HB-101 is too beautiful to keep it in a box. Solution: wall-mounted with magnets. Museum display meets instant playability, just lift it off and plug it in.

Best of both worlds. #MSX

06.02.2026 11:18 ๐Ÿ‘ 40 ๐Ÿ” 2 ๐Ÿ’ฌ 2 ๐Ÿ“Œ 0
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Now that the #MSX Rocketman trailer and website is out, I can show one of the things I helped with, this start screen (without the logo).
Finished it last year, and it's the first image I created in SCREEN 2!!

The game will be released around June. Check out the trailer here:
rocketmanmsx.info

05.02.2026 14:47 ๐Ÿ‘ 17 ๐Ÿ” 7 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

I heard Adobe is killing Flash, again.

03.02.2026 21:40 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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The people of Ukraine continue to endure ongoing Russian aggression.

From February 2 to 9, weโ€™ll donate 100% of the proceeds from our games and DLC on all platforms to People In Need in support of humanitarian aid in Ukraine.

02.02.2026 13:36 ๐Ÿ‘ 289 ๐Ÿ” 120 ๐Ÿ’ฌ 8 ๐Ÿ“Œ 11
Space Invaders: MSX2 Edition
Space Invaders: MSX2 Edition YouTube video by cave_fish

My entry to MSXDev25: www.youtube.com/watch?v=kD7W... #msx #homebrew

01.02.2026 13:33 ๐Ÿ‘ 4 ๐Ÿ” 2 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 1

Eso es solo en Movistar o pasa con otras compaรฑรญas?

01.02.2026 19:28 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0