Instructions
Run VBA and then click "File," and "Open Gameboy" to run a VBA ROM.
Click the "Cheats" menu and then click the "Cheat List" option. Click the "GameShark" option to access the VBA GameShark.
Navigate to a GameShark cheats website provided in the "Resources" section.
Return to Visual Boy Advance. Paste the codes into the white box and then click "OK." VBA lets you know if your GameShark codes work by giving you its status. The letter "E" stands for "enabled," which means the GameShark code or codes work.
Click "OK" to make GameShark codes work in a VBA ROM.