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IrelandMario's hidden brake gets a Displaced Gamers code inspection
The movement breakdown has passed 100,000 views, revealing the small programming choices behind running, jumping and skidding.
Displaced Gamers
Story of Why this story? The channel's weekly summary: what went up this week, what is drawing views now, and where the channel stands among similar channels.
The Movement Physics of Super Mario Bros - Behind the Code
Next story: Mario cartridge revisions offer a Displaced Gamers code detour
Things we can learn from the video
Press to jump
- 2:40Mario's horizontal velocity uses integer, fractional and subfractional values to represent movement smaller than a pixel.
- 10:00A running timer preserves acceleration briefly after releasing B, helping maintain momentum while throwing fireballs.
- 19:03Skidding snaps velocity to zero at a threshold, avoiding a sluggish pause when reversing direction.
- 21:26Pressing Up, Down or B without holding a direction can trigger an immediate hard brake.
- 25:29Jump settings change with horizontal speed, including the initial vertical velocity and gravity values.
- 30:52Backward jumping lets speedrunners exploit skidding's high acceleration while traveling forward through the air.
Displaced Gamers turns a familiar controller into a surprisingly unfamiliar machine. In "The Movement Physics of Super Mario Bros - Behind the Code", pressing Up or Down can act as a hard brake when no direction is held, a quirk tucked inside the game's skid-check routine.
That discovery comes well into a technical essay that makes Mario's movement visible through custom on-screen meters. The narrator builds an emulator sandbox, exposes velocity values and uses Game Genie patches to pull apart behavior most players experience without thinking about it. Even releasing the run button gets special treatment: a short timer preserves running acceleration, allowing Mario to throw fireballs without immediately sacrificing momentum.
The point isn't that Nintendo simulated reality particularly well. It's that the code bends reality to make playing feel better. Skidding snaps velocity to zero before reversing direction becomes sluggish; jumping uses different gravity settings depending on horizontal speed. As the narrator puts it, "Let's fudge physics for the sake of fun. And so they did."
There were no new uploads this week, but this fortnight-old breakdown remains the channel's busiest video, drawing about 1,300 views a day. The older Metroid room-loading investigation and Super Mario Bros. 3 cartridge-revision essay continue at a gentler pace.
Subscribers held steady, while daily viewing is below the channel's usual level. Nearby gaming-commentary channels Paul Tassi and AnthonyCSN are seeing much brisker-than-usual daily viewing; Br0leg is closer to its normal rhythm. For Displaced Gamers, the week's main attraction is a fresh reason to pick up an old controller and reconsider what its buttons actually do.
Published on Trari
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The videos drawing views on Displaced Gamers right now
- Channel
- Displaced Gamers
- Subscribers
- 122,000
- Channel views, last 7 days
- 28,143
- Videos published this week
- 0
The numbers
Here is how Displaced Gamers' week looks in views and subscribers.
💡 Test your knowledge
Which button makes Mario run in the original NES Super Mario Bros.?
Holding B while moving makes Mario run, and the video examines how the game preserves that acceleration briefly after release.