Things You'll Need
Instructions
Turn on the wireless connection ability for your game emulator. This is usually found under Options, then Link Options.
Journey to a Pokemon Center, then save your game. Turn off your system and connect the two platforms using a wireless connection.
Restart the games and walk upstairs in the Pokemon Center on both consoles. Enter the middle door.
Select Groudon in the "Ruby" version, then choose a Pokemon to send in return on the "Sapphire" version. Select OK to confirm the trade.