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100th_Coin

@100thcoin.bsky.social

180 followers 26 following 9 posts

Assembly Programmer, Game Dev, Tool Assisted Speedrunner, and apparently I'm a youtuber now.

Posts Replies Media

100th_Coin @100thcoin.bsky.social · 04/07/2026

I also put together a "behind the scenes" post breaking down how the visuals for this video were made, for my Patreon supporters: www.patreon.com/100th_Coin/p...

patreon.com

Behind the Scenes: "Can you run every line of code in Super Mario Bros.?" | 100th_Coin

In my most recent video, I have some rather ambitious visuals where I show the entire disassembly of Super Mario Bros. on screen. In this po

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100th_Coin @100thcoin.bsky.social · 04/07/2026

Can you run every line of code in Super Mario Bros.? Let's find out! www.youtube.com/watch?v=o0gO...

youtube.com

Can you run every line of code in Super Mario Bros.?

YouTube video by 100th Coin

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100th_Coin @100thcoin.bsky.social · 31/03/2026

I've been doing a lot more research than video editing lately, so it will be a while before my video is done, but I do plan to talk a bit about the minus world and where the enemy data comes from.

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100th_Coin @100thcoin.bsky.social · 31/03/2026

And you should absolutely see Kosmic's video explaining how we pulled it off. www.youtube.com/watch?v=bNul...

youtube.com

After 40 Years, Huge NEW Mario Glitch Discovered

YouTube video by Kosmic

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100th_Coin @100thcoin.bsky.social · 31/03/2026

In case you haven't heard the news, we've ran arbitrary code in the Famicom Disk System release of Super Mario Bros. It was a lot of fun helping with the research for this. www.youtube.com/watch?v=oFLT...

youtube.com

Super Mario Bros. "game end glitch" (ACE) TAS in 05:29.96

YouTube video by HappyLee

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100th_Coin @100thcoin.bsky.social · 18/12/2025

I made a video about off-screen stuff on the NES! www.youtube.com/watch?v=872v...

youtube.com

What's Beyond the Screen Borders of the NES?

YouTube video by 100th Coin

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100th_Coin @100thcoin.bsky.social · 07/09/2025

By the way, if you are making your own NES emulator, the test ROM (and fully commented source code) can be found here: github.com/100thCoin/Ac...

github.com

GitHub - 100thCoin/AccuracyCoin: A large collection of NES accuracy tests on a single NROM cartridge.

A large collection of NES accuracy tests on a single NROM cartridge. - 100thCoin/AccuracyCoin

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100th_Coin @100thcoin.bsky.social · 07/09/2025

I made a series of NES accuracy tests and then ran them on all of Nintendo's official NES emulators. www.youtube.com/watch?v=oYjY...

youtube.com

How Inaccurate are Nintendo's Official Emulators?

YouTube video by 100th Coin

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100th_Coin @100thcoin.bsky.social · 13/03/2025

My favorite optimization problem has to be completing video games, and this time I intentionally went too far. Here's Super Mario Bros. 3 completed in five microseconds, through the power of moving NES cartridges at multiple hundreds of thousands of miles per hour. www.youtube.com/watch?v=pK7h...

youtube.com

How I Beat NES Mario in 0.000005 Seconds

YouTube video by 100th Coin

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