Super Mario Bros 3 Mix Rom

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Page created, content coming soon! Meanwhile, look at the tricks for the previous game, the games share a lot of stuff.

Super Mario Bros 3 Mix Rom Download

Super Mario Bros 3 ROM Download for Nintendo NES. Play Super Mario Bros 3 for Free on your PC, Mac or Linux device. Apply this IPS patch to a Super Mario Bros. 3 ROM to see it for yourself. Originally, it appears that this menu would have been accessible from the '1 PLAYER' / '2 PLAYER' selection menu if player 2 was holding A + B. It is also possible that this served some other purpose, but the above menu would be the most likely candidate.

Speed & Pixel Position Mechanics

  • 0x00BD - X Speed
  • 0x0075 - X position in level, 2nd byte
  • 0x0090 - X position in level
  • 0x074D - X subpixel position

Like SMB and SMB2j (as well as many NES games), SMB3 has a subpixel precision of 16. Subpixel is a 1 byte value that represents a fraction of a pixel (256ths of a pixel). A precision of 16 means it will only change in increments of 16. Thus 1 subpixel equals a value of 16 on 0x074D.

Speed (0x00BD) is measured in subpixels per frame. A value of 40 means 40 16ths of a pixel, or 2.5 pixels per frame.

Mario has a different max speed in various situations:
Situation Max Pix/Frame
Wall ejecting 16 1
Flying 23 1.958
Walking/swimming 24 1.5
Run-no P 40 2.5
Run+P 56 3.5
Sliding 63 3.938

Subpixel carry over

This game has subpixel carryover, meaning that x & y subpixel values are not cleared at the end of a level and are thus carried over to the next level. Having a high x subpixel value at the end of one level will give you a head start in the next.

Maintaining Sliding Speed

TODO: Explain 8 frame rule + RAM address, how to use this to keep speed.

The Walljump

A walljump occurs when you jump towards a wall and Mario's foot collides with the wall in such a way that he can jump again. In the animation above (made on a custom map), three walljumps are performed.

Theory: Walljumps are possible because the game does a floor check(a simple 'is position divided by 16 even? Is there a solid block below him?' test)even during a wall-ejection.Wall-ejection is SMB's mechanism to adjust Mario's horizontal position properlywhen his left side and right side have a different inside-wall status. The gameejects Mario in the opposite direction from the one in which he was traveling when he entered the wall.

Two conditions must be met for a walljump to be possible:

Mix
  • Mario must have a minimum of 33 horizontal speed (towards the wall)
  • Mario's feet must hit the wall exactly at a block boundary (every 16 pixels)

It's possible to perform a walljump on any non-lethal solid material(bricks, pipes, etc).

In SMB3, the trick works exactly the same way as in SMB1, butis harder to perform, because the game is more effective at keeping Mario outside of walls.

Enter walls at a corner

This can not be done with small mario.Rom

Do a duck jump towards a wall and aim at the block just below the corner. If your speed and subpixel values are right you will enter in the wall. Stop ducking on the right frame, and mario will begin to eject out of the wall towards the right. Once in the wall, mario will not be able to run left or right.

Corner Boosting

Corner boosts work on any block that is one block wide and isn't adjacent to another block. This block can be in the air or on the ground. If you jump at it at the right height, subpixel position, and speed, you can fall through the block. In the process you get a small ~1 pixel boost from doing so.

TODO: Add animated GIF

Ceiling Boosting

It is possible to boost a pixel off of corners of ceilings (similar to how it works in NSMB) by duck jumping.

This animated GIF demonstrates how the ceiling boost works. While Mario's speed never changes he is boosted 1 pixel if he hits the corner with the correct subpixel position. The right side of the GIF shows his 'predicted' position based on Mario's speed and then his actual position. The actual position is greater due to the boosting that has occurred. The left counter shows Mario has boosted exactly 1 pixel.


Getting in floors

This is the same trick as with corner boosting except there are several blocks to the right (the 'floor'). If you do a corner boost into the block you will be stuck in the block instead of going through -- unless you duck. Ducking ejects Mario to the right, allowing him to pass through the wall.

Early pipe entry via floor glitching

An application of the Getting in Floors trick. Using this trick in auto-scrolling levels such as airships allows Mario to enter the pipe much sooner than he normally could.

TODO: Demonstration.

Bouncing high off turtles (SMB1, SMB2j)

How it's done: If you jump toward a turtle while it's in the air,you can stomp it while moving upward and keep moving upward.The maximum height that you'll be able to reach if you keep holdingdown A depends on the exact frame that you made your jump and whichpart of the turtle you hit, so if you aren't bouncing high enough,keep adjusting your jump one frame at a time.

This is useful for being able to get over an obstacle or landing onanother enemy after bouncing off a turtle.

The same can be done for a couple of walking enemies too, whenyou are running at top speed.

Mushroom / enemy bounce

How it's done: If you hold A while picking up a mushroom that's on top of an enemy, and you manage to collect the mushroom before killing the enemy, you will bounce off of the enemy without killing it. Probably useless.

Not taking damage from Bowser's ground pound.

How it's done: Stay perfectly still when Bowser is about to slam you. If you are small Mario, you won't be killed, and you'll remain perfectly safe unless you move while you're overlapping him.

Running down hill

Super mario bros 3 mix romSuper mario bros 3 mix rom androidSuper mario bros 3 mix rom zip
While running downhill doesn't change the speed address, it does cause Mario to travel 3 subpixels per frame faster than his reported speed. This gives an effective speed boost of +3.

Remote Sprite Bumping

Sprite AI subroutines use a shared variable (a byte at address 0x7F74)to store what kind of block is immediately beneath the sprite.When the block has type 0xF3 (meaning it is a block that Mario has justbumped from below) the sprite reacts accordingly:a Goomba is defeated, a Super Mushroom makes a small jump,a Koopa Troopa flips over and hides in its shell, etc.

Certain sprites do not initialize the shared block type variablebefore running the AI subroutine.Instead, they use the same block type asthe sprite slot that most recently set the variable.This means that bumping a sprite can affect more that one sprite,even ones that are far from the bumped block.a completely different sprite, even if they are not directly above it.For example, you can defeat a flying Paragoomba in sprite slot 3by bumping a Super Mushroom in sprite slot 6,if slots 4 and 5 are empty or do not set the shared variable.(Sprite slots are processed in reverse order.)

The following sprites can be remotely bumped:

  • Paragoomba
  • one kind of Cheep Cheep
  • Boomerang Bro
  • Fire Bro
  • upside-down Buzzy Beetle
  • upside-down Spiny
  • Boom Boom
  • Rocky Wrench
  • Koopaling projectile / Bowser fireball

Instant Sprite Bumping

The shared global variable indicating block typeretains its value as long as there are no spritesthat set it—even across level transitions.As long as the variable holds the value 0xF3,any remote-bumpable sprites will be bumpedimmediately after spawning.

There are a few places in the game wherethere are no sprites that change the value of the block type variableand it is possible to retain the 0xF3 stateuntil encountering a remote-bumpable enemy.This trick can be used to defeat Boom Boomfaster in Fortress 2 of World 6.

Important RAM Addresses

Address Set #3: Super Mario Bros. 3
System:Nintendo Entertainment System
Download .wch file for:BizHawk
DomainAddressData TypeSignedEndianDescription
RAM0014ByteSignedBigBack to Map
RAM0015ByteSignedBigCard Timer
RAM0075ByteUnsignedBigX Level 2nd
RAM0079ByteSignedBigX Map Position
RAM0087ByteSignedBigY Level 2nd
RAM0090ByteUnsignedBigX Level
RAM00A2ByteSignedBigY Level
RAM00ABByteUnsignedBigX Screen
RAM00BDByteSignedBigX Speed
RAM00CFByteSignedBigX Speed
RAM00FDByteUnsignedBigX Camera
RAM03DDByteSignedBigP Meter
RAM0515ByteSignedBigNext P
RAM055DByteSignedBig8 Frame Timer
RAM056EByteSignedBigP Kill Counter
RAM05F1ByteUnsignedBigClock Timer
RAM074DByteUnsignedBigX Subpix
RAM075FByteUnsignedBigY Subpix
RAM0781ByteUnsignedBigRNG
RAM7CFAByteSignedBigBoss HP
RAM7F74ByteUnsignedBigBlock Type Below Sprite
TODO: add these
  • Tompa's 'pipe glitch'
  • Stuttering (getting P speed with less floor distance)


See also

  • Game Resources ― we have resource pages for other games too!
  • Common Tricks ― tricks common to many games
  • Boss Fighting Guide ― tricks specific to boss fights

Super Mario Bros. 3Mix

Super Mario Bros. 3 Hack for NES

Super Mario Bros. 3Mix is a large-scale hack that changes and adds lots of features to Super Mario Bros. 3, and pays homage to many past and (relative) FUTURE Mario titles, while attempting to remain faithful in spirit to the look and feel of Super Mario Bros. 3.

Author: Southbird

Submitted by: southbird

Author's website: http://www.sonicepoch.com/sm3mix


NameDescriptionFilesize
Patch filev1.0 (31 May 2014)549.26 KB


Comments


Ngbjh says:
Donde se descarga esto

Super Mario Bros 3 Mix Rom Android


Me says:
damn this is a good game

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