Super Mario World - Gray Platform GLITCH

New rotating gray platform glitch.
This is similar to the traditional null sprite glitch on the Swinging brown platform, needed for powerup incrementation, except that you need to mount Yoshi and land on the platform at the same time. Yoshi needs to be in a lower slot, I guess.
This corrupts the stack, but not routine return address. Instead, this corrupts the value sets $15E9, which is the "sprite index for the current sprite that is being processed". Based on Yoshi's head position, we can set the current slot to be processed to any value between 0 and 0x7F. Obviously, running code for imaginary sprites will affect the real ones with wrong offsets and even addresses that have nothing to do with sprites.
What I'm saying is that there's a bunch of possiblities here.
Complete description will be posted at TASVideos forums when I'm done.

[@HappyLeeHL]

Wow the final scene is so beautiful. It's amazing that new glitches like this can still be discovered. :D

[@lml-mike]

"Obviously, running code for imaginary sprites will affect the real ones with wrong offsets and even addresses that have nothing to do with sprites."
OBVIOUSLY

[@Amaraticando]

Eh, not so obvious haha

[@MrCheeze]

Underselling it a little in the title, huh? This glitch seems huge if I understand it correctly. Can't wait for the full description.

[@o5-365]

I think here is kinda what you are looking for just with the brown platforms:
ruclips.net/video/TqK-2jUQBUY/видео.html

[@TechSY730]

Janky SMW rotating platform code, we love you

[@Emerald_Shell]

You sir are a beast! I don't think I could discover a new glitch at the current rate.

[@pirann7003]

0:11 Yoshi exorcista da perninha torta kkkk legal

[@crish4382]

kkklk

[@faithstea]

you could create a whole new speedrun category with this. 10 exit or like 11 exit mount glitch or something. reach sub 8 mins an 11 exit run. I don't even know where this counts, maybe in an extras category

[@Amaraticando]

We are exploiting how this could help with the current "warps" category.

[@TheFinalBoss726]

You sir are incredible.

[@memebeans1589]

0:10 contoured yoshi

[@xander0479]

holy mackerel, he's done it again

[@snescompany]

Known as "yoshi incrementation"

[@TheFinalBoss726]

Big fan of the first yoshi glitch. He’s not ambiturner!! XD

[@user-tc2te5ft3g]

ピーチ姫自力脱出マリオ死亡エンド

[@user-kh3cp3lx4q]

このままTHE END画面まで行ったら、ゲームオーバー後に5機からやり直ししたマリオが居るよね

[@Chuterix]

Recently, I did this glitch with fire mario and green yoshi, he was invisible and i died

[@MrCutykitty]

brilliant

[@o0WillDaBeast0o]

Very cool

[@that_one_shiny_eevee]

HOW DO I DO THIS

[@Vitor_IS]

wtf lol
this is amazing

[@Linkdeadx2]

poor yoshi :(

[@Patashu]

THE END

[@SuperNickid]

@Patashu: Take a look at the credit warp that I did, it was not found by me and it also used the brown platform glitch to get power-state 5, and comment on my video so I know you watch it ruclips.net/video/p8LR_mGtFzI/видео.html I have other video on my channel if you want to see what more you can do with it

[@brunoricardo2133]

Que legal.

[@MarceloMatos]

Boa

[@Chuterix]

Can the game crash?

[@Amaraticando]

Yes. Pretty easy depending on Yoshi's position.

[@SuperNickid]

@ChutacoackoPlayz, Gaming and More! : Take a look at the credit warp that I did, it was not found by me and it also used the brown platform glitch to get power-state 5, and comment on my video so I know you watch it ruclips.net/video/p8LR_mGtFzI/видео.html I have other video on my channel if you want to see what more you can do with it