Andrew D'Angelo ardangelo

## cartswap.md

      
              1 file
            
          
              0 forks
            
          
              4 comments
            
          
              8 stars
            
          
                ISSOtm
                / cartswap.md
            
            
              Last active
              November 25, 2023 12:57
            
              
                Swapping GB carts from the Game Boy to our advantage
              
          
    The beauties (and crashes) of CartSwap

CartSwap (Cartridge Swapping) is a technique that allows ACE in any Game Boy game, even before the game has actually booted up!
Example applications include :

Spoofing consoles (Pokémon Crystal can run on the Gray Brick!)
Speedrunning games quicker than a TAS
Gaining ACE on games that are otherwise ACE-less


## deadbeef_character.py
"""
This file contains code that, when run on Python 2.7.5 or earlier, creates
a string that should not exist: u'\Udeadbeef'. That's a single "character"
that's illegal in Python because it's outside the valid Unicode range.

It then uses it to crash various things in the Python standard library and
corrupt a database.

On Python 3... well, this file is full of syntax errors on Python 3. But
if you were to change the print statements and byte literals and stuff:
	"""
	This file contains code that, when run on Python 2.7.5 or earlier, creates
	a string that should not exist: u'\Udeadbeef'. That's a single "character"
	that's illegal in Python because it's outside the valid Unicode range.

	It then uses it to crash various things in the Python standard library and
	corrupt a database.

	On Python 3... well, this file is full of syntax errors on Python 3. But
	if you were to change the print statements and byte literals and stuff: