GameSharkery

Infinite PP: 01FFB4D1, 01FFB5D1, 01FFB6D1, 01FFB7D1
Use this code so that you will have an infinite amount of PP for all attacks

Fight Wild Pokemon of Desired Level: 01??27D1
Replace ?? with desired hexadecimal value for level of Pokemon. The next wild Pokemon you fight will be on the level that you chose.

Start with any Pokemon: 01??1ED1
Start with Mew: 01151ED1
Replace ?? with Pokemon number from list. When you begin the game, the first pokemon that you get from Oak will be the Pokemon that you chose in the code.

Fight any Wild Pokemon: 01??D8CF
Fight wild Mew: 0115D8CF
Replace ?? with Pokemon number from list. Next time you fight a wild Pokemon it will be the type that you chose.

Modify your Pokemon's Status:
HP Max 01??8DD1, 01??8ED1
Hit Points 01??6CD1, 01??6DD1
Attack Power 01??8FD1, 01??90D1
Defense Power 01??91D1, 01??92D1
Speed 01??93D1, 01??94D1
Special 01??95D1, 01??96D1
Type 01??64D1
Experience 01??79D1, 01??7AD1, 01??7BD1
Level 01??8CD1
ID# 01??77D1, 01??78D1
Replace ?? with the desired status value for the different status modifiers.

Purchase Any Item at Pokemart: 01??7CCF
Replace ??s with the number of the item that you wish to buy.