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The truth revealed!
 
  

09/29/06 @ 07:52:31 am, Categories: Baka-chan on Games, Pretty Videos, 506 words, 1361 views  

So, when I was a little mischief maker, I encountered a bug in the SMB+Duck Hunt cart that came with my NES. I managed to become a small fire Mario... Very peculiar, and no one believed me when I told them about it.

Yesterday, I was browsing Kotaku, and found a YouTube video of the 'Minus World' from the Famicom Disk System version of SMB, and that got me wanting to recreate that, so I set out and got a copy of NEStopia, and some FDS disk images. Sure enough, I was able to reach the Minus World (I may be getting old, and am unable to match my former glory in SMB, but I'm not dead yet!), then I decided to see if I could recreate the circumstances of the small fire Mario of my youth. This is something I've tried before on various remixes of SMB, and apparently the glitch is now absent... But on the Japanese FDS version, I was able to recreate it!

How to do it:

On any world, I used World 1, go to Level 4 as fire Mario, get behind Bowser so he walks towards you...then jump up so when you come down, you hit him and the axe at the same time. You'll get hit, but won't shrink, and this screws with the program a little.

The technical stuff:

Okay, I don't know anything about programming, but from these results it seems to me that your status is governed by two things. The first, is what sprite is being displayed. The second is the palette. It appears that fire Mario status is merely a palette switch. Also, it seems the part of the program that governs the powerup boxes is blind to these two factors.

When you hit Bowser and the axe, you palette-switch back to Super Mario, but before you can shrink, the 'game' goes static for the whole 'Our Princess is in another castle!' thing. So it forgets to change your sprite.

The part of the program that governs the powerups thinks you're small, but because your sprite is still Super Mario, you can break bricks. (And in fact, if you got hit right now, you would die.) Now, after you get a mushroom, you will SHRINK. Because the mushroom triggers a switch between the two sprites. (And is oblivious to the fact you are using the 'Super' sprite.) At this point, even though the program thinks you're 'Super Mario' you're now using the small Mario sprite, and can no longer break bricks.

Next, when you get a flower, the program is likewise oblivious to your apparent normal Mario state, and palette switches the small Mario to fire Mario colors.

So, there you go. You'll then have a little Mario throwing fireballs. However, when you throw them, the sprite will change momentarily to the correct Super-sized fire Mario. (The 'throw' frame of animation is only available for the full-sized sprite.)

Anyway, enough of that. Here's the video!

YouTube! -or- Direct Download High-Res (XviD/MP3 .avi 8.38mb)

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A peek inside the mad, mad, mind of Baka-chan. Animator, artist, hater of stupid people, and evil genius. Look upon the undoing of all order in the universe, and tremble.
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