2. Click on the "Cheats" menu.
3. Select "Add new cheat".
4. Enter the following information:
* Name: The name of the cheat.
* Type: "Item adding code".
* Code: The item-adding code.
5. Click on "OK" to add the cheat.
Item-adding codes are 8-digit codes that can be used to add specific items to your inventory. The first 6 digits of the code represent the item ID, and the last 2 digits represent the quantity of the item.
For example, to add 5 Master Balls to your inventory, you would use the following code:
```
01E070F5
```
Here is a list of item-adding codes for Pokemon Emerald:
```
0292D4C0 Master Ball x 1
0292D5C0 Ultra Ball x 1
0292D6C0 Great Ball x 1
0292D7C0 Poké Ball x 1
0292D8C0 Potion x 1
0292D9C0 Super Potion x 1
0292DAC0 Hyper Potion x 1
0292DBC0 Max Potion x 1
0292DCC0 Ether x 1
0292DDC0 Max Ether x 1
0292DEC0 Elixir x 1
0292DFC0 Max Elixir x 1
0292E0C0 Smoke Ball x 1
0292E1C0 Escape Rope x 1
0292E2C0 Rare Candy x 1
0292E3C0 TM28 Earthquake x 1
0292E4C0 HM01 Cut x 1
0292E5C0 Berry Juice x 1
0292E6C0 EnergyPowder x 1
0292E7C0 Revive x 1
0292E8C0 Max Revive x 1
0292E9C0 Fire Stone x 1
0292EAC0 Water Stone x 1
0292EBC0 Thunder Stone x 1
0292ECC0 Leaf Stone x 1
0292EDC0 Moon Stone x 1
0292EEC0 Sun Stone x 1
0292EFC0 Oval Stone x 1
0292F0C0 Shiny Stone x 1
0292F1C0 Dusk Stone x 1
0292F2C0 Dawn Stone x 1
```