Pokémon Red and Blue randomizer code
This code allows the player to use an arbitrary code execution item as a wild Pokémon randomizer (grass and cave encounters supported), to be used with a bootstrap code to slot 3.
It uses OAM DMA hijacking to constantly write the random value of a d-sum address (specifically FFD3) in the main encounter table at D888.
Code
Upon using your arbitrary code execution item, the encounters are randomized until the game is powered off, but sprites are broken.
Item 3: Glitch item 0xC3 ("H" in Red, no legible name in Blue) x40
Item 4: TM11 x(any)
Item 5: (any) x (any)
Item 6: Glitch item 0x00 ("j.") x 0
Item 7: Thunderstone x136
Item 8: TM16 x240
Item 9: TM11 x1
Item 10: Potion x0
Item 11: TM05 x224
Item 12: Max Revive x33
Item 13: "PC" x255
Item 14: Lemonade x201
Item 15: Water Stone x 62
Item 16: Water Stone x34
Item 17: Lemonade x211
Item 18: Water Stone x62
Item 19: TM05 x 234
Item 20: "PC" x255
Item 21: TM01 x 97
GameShark codes
The following codes give the player a -g m (0x6A), which is automatically bootstrapped to item 6. Upon using it, the encounters are randomized until the game is powered off, but sprites are broken.
- 01c322d3
- 012823d3
- 01d324d3
- 010028d3
- 010029d3
- 01212ad3
- 01882bd3
- 01d82cd3
- 01f02dd3
- 01d32ed3
- 01012fd3
- 011430d3
- 010031d3
- 01cd32d3
- 01e033d3
- 013634d3
- 012135d3
- 018036d3
- 01ff37d3
- 013e38d3
- 01c939d3
- 01223ad3
- 013e3bd3
- 01223cd3
- 01223dd3
- 013e3ed3
- 01d33fd3
- 012240d3
- 013e41d3
- 01cd42d3
- 01ea43d3
- 018044d3
- 01ff45d3
- 01c946d3
- 016a1ed3
- 01c347da
- 012a48da
- 01d349da
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