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Posts by Kasper

How to activate the secret debug menu in The Adventures of Willy Beamish?
How to activate the secret debug menu in The Adventures of Willy Beamish? YouTube video by zappatic

Another mystery solved ! Answering /u/YYZ88's question on the Sierra subreddit, asking how to unlock the secret debug content included in the 1991 DOS game The Adventures of Willy Beamish.

#reverseengineering #retrogaming #willybeamish #sierra

2 weeks ago 2 2 0 0
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HAL Laboratory was founded 46 years ago today! One of my favourite studios:

- Kirby
- Super Smash Bros.
- Pokémon Snap/Ranger
- Puzzle games (Eggerland, Picross 3D, BoxBoy!, Part-Time UFO...)
- RPGs (Mother 2-3, Alcahest, Arcana...)
- Metal Slader Glory
- SimCity 64

And more!

1 month ago 144 25 2 0
What triggers the mole in the window in Doki Doki Penguin Land?
What triggers the mole in the window in Doki Doki Penguin Land? YouTube video by zappatic

A few days ago @mp83.bsky.social wondered what made the mole appear in the window during the bonus sequence of Doki Doki Penguin Land.

So, I've made a little video investigating this mystery.

#msx #reverseengineering #dokidokipenguinland

2 months ago 4 1 0 0
Flo & Eddie in Frank Zappa's 200 Motels
Flo & Eddie in Frank Zappa's 200 Motels YouTube video by Cal Vid

Sad to hear Mark Volman has died. Always loved that era when Flo & Eddie were in the Mothers of Invention.

7 months ago 1 0 0 0
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It's a Pac-Man clone. Here's an image of the back of the box.

11 months ago 1 0 1 0
A collection of MSX cartridge and cassette tape games. Eggerland 2, Rollerball, Eggerland Mystery, Confused?, Jet Bomber, Antarctic Adventure, Monkey Academy, Oh Shit! and Attack of the Killer Tomatoes.

A collection of MSX cartridge and cassette tape games. Eggerland 2, Rollerball, Eggerland Mystery, Confused?, Jet Bomber, Antarctic Adventure, Monkey Academy, Oh Shit! and Attack of the Killer Tomatoes.

Happy #MaySiXth ! I haven't got my #MSX here at the moment, but these are some of the games I used to play as a kid, all purchased in the '80s.

11 months ago 17 3 1 0
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Only 6 days to go until #MaySiXth, worldwide known as MSX-DAY! Everyone will post the best picture of their current #MSX setup so get cleaning, set-up the lighting, look for the perfect angle and make it a shot to be remembered!

This year there will be a free game too!

11 months ago 10 5 0 0
The box cover of The Goonies (MSX 1986)

The box cover of The Goonies (MSX 1986)

Streaming a new game! Let's see what we can find out about how The Goonies works by reverse engineering its secrets.

Live on Twitch now: twitch.tv/zappatic

1 year ago 4 0 0 0
The tiles, sprites and main screen graphics assets of Eggerland Mystery, extracted straight from the ROM file.

The tiles, sprites and main screen graphics assets of Eggerland Mystery, extracted straight from the ROM file.

Asset extraction is coming along nicely. Managed to read the tilesets, spritesets and graphics data straight from the ROM file. Just need to apply the color palette.

In all my years playing this game, I never noticed that the big "Eggerland Mystery" title on the main screen is totally off center!

1 year ago 2 0 0 0

Streaming some #msx reverse engineering on Twitch. I'll be extracting graphics/assets from the Eggerland Mystery ROM.

www.twitch.tv/zappatic

1 year ago 4 0 0 0
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The little marching byte - Reverse engineering Eggerland Mystery
The little marching byte - Reverse engineering Eggerland Mystery YouTube video by zappatic

NEW VID: an investigation into an interesting chunk of memory in Eggerland Mystery (MSX, 1985), where a little byte seems to be marching on.

#msx #eggerland #retrocomputing #reverseengineering #z80

1 year ago 6 2 1 0
How is the level data stored in Eggerland Mystery?
How is the level data stored in Eggerland Mystery? YouTube video by zappatic

Just released my first YouTube video, where I discover and delve deep into the two algorithms that handle how the level data in Eggerland Mystery is stored in the ROM cartridge.

#msx #eggerland #retrocomputing #reverseengineering #z80

www.youtube.com/watch?v=E59P...

1 year ago 11 4 0 0
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Eggerland Mystery ROM patching is as good as done, can inject all regular and special rounds, as well as bonus stages, update the passwords and the special word. Simple download from the website where all rounds, 5-packs and ROM packs will be stored.

#msx #eggerland #retrogaming #reverseengineering

1 year ago 4 3 0 0

I'm working on something where you can replace all 100 regular rounds, the 5 special rounds and the 10 bonus rounds, along with the associated passwords, yes. That's not finished yet.
As for speeding up the movement, I haven't looked into that specifically. I might take a look at that in the future!

1 year ago 1 0 0 0

Thanks, I'll definitely give Cube Droid a look! Direct ROM export was also on my todo-list for the eggerland editor.

1 year ago 1 0 0 0
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Sneak preview of the new Eggerland Mystery Online Construction Mode I've been working on. Made with PixiJS.

#msx #eggerland #pixijs

1 year ago 4 2 2 1
The construction mode showing round 1 of the 1985 MSX game Eggerland Mystery, where you can create your own rounds.

The construction mode showing round 1 of the 1985 MSX game Eggerland Mystery, where you can create your own rounds.

In the last few streams I have been reverse engineering Eggerland Mystery (#msx 1985), and figured out, among other things, how the level data is stored. I've been working on an online construction mode, a custom round database, and a blog post/YouTube vid to explain how it works. All released soon!

1 year ago 7 1 1 0
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