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The only thing needed is that the screen hasn't scrolled too far when the pipe is entered.) Making the vine appear is not required for this glitch. If Mario is far on the right side of the screen, the entry point variable will be out of date, so a new entry point will lead to the target of the previous one (Example: In 4-2 of SMB1, if Mario is far enough on the right side of the screen, he can use the pipe to go to the warp room since the destination info of the vine is still valid.Loaded from the level data, all entry points in the current screen will Once the screen scrolls far enough for the next target label to be In the game RAM that determines where pipes or vines in the current screen lead. The reason lies in how the game is designed: There is just one global variable Theory: The game can have only one "entry point" (a pipe or vine) per screen. Somewhere other than where it was intended to. The alternate pipe glitch occurs when a pipe takes you to To do a walljump from entering the underground section of a level, hold Left for 6-7 frames, release for one frame, then press Left and hold it until you can jump.
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It's possible to perform walljump from any non-lethal solid material (bricks, pipes, etc.) Some luck to make Mario go into the wall a little bit (at least for 1 pixel).Mario's feet must hit the wall at a block boundary (every 16 pixels).Some horizontal speed towards the wall (facing right: X speed > 16, facing left: X speed To perform a walljump, three things are required: The game ejects Mario towards the opposite of his steering. Wall-ejection is SMB's mechanism to push Mario out of a wall when he entered it partially. Walljump happens because the game does a floor check (a simple "is there a solid block below him?" test) even during a wall-ejection. In the right image (using a custom map), three walljumps are performed. The walljump in the left image is easy to try even on the real console. The wall and allows you to jump again, boosting from the wall. Walljump is when you jump towards a wall and somehow Mario's foot catches Enemies, firebars, or platforms not appearing.Application: Jump into a solid wall and walk through it.Application: Jump into a wall just below a solid ceiling and walk through it.Application: Jump into a solid object below a floor.Application: Catch a power-up before it appears.Methods of moving to the right side of the screen.
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