You can find a way to execute custom code using save area of ​​"Super Mario World"

Three play data can be saved in "Super Mario World", but using this area, we found that there is a way to make your own custom code just by reading save data It was. With this method, there is no need to change the cartridge or the Super Nintendo main unit.

Jailbreaking Super Mario World to Install a Hex Editor & amp; Mod Loader - YouTube


Mr. Seth · Bring reporting method. However, it is Cooper Harasyn that he found out.


In Super Mario World's cartridges, there is an area for storing ROM and data containing game's own data. ROM is an abbreviation of "Read Only Memory", which is literally read only, but it is possible to write to the data storage area. So Mr. Harasyn wrote his own data in this area.


Insert this cartridge into the Super Nintendo to start up.


And when reading "MARIO C" data ... ...


Once the screen switches, the numbers and alphabetical lines appear until the middle of the screen. This is a hex editor.


The displayed characters are hexadecimal "0" to "F" and correspond to binary numbers "0000" to "1111", respectively.


For example, the two-digit number pointed to by the red arrow above means the state of Mario.


"02" is manto mario


"03" will switch as Fire Mario, and so on.


Also, there is a clear flag in this part ... ...


When it is rewritten as "01", it was decided that it was still in the middle of the stage but cleared up.



By the way, among the displayed characters, this part of the first half is an installer ......


It is said that this part is a hex editor.


If you use the save area, you can also apply your own "remodeling" content.


Mario like to use a fire bar like a whip


You can lift the object, you can use it to defeat the enemy.


Even enemies can be lifted.


Mario to raise Yoshi in the air while jumping


Mouse is also available ......


You can throw away enemies you clicked out somewhere.


Mario will move even fixed blocks originally.


It is a big point that it is possible to do this without modifying the cartridge or the main body.


Mr. Bring who plays Mario in "Jailbreak" state. Although it is a game that 27 years have already passed since the release, I did not think that the possibility was still hidden in cartridges.