Ok. Oni and I learned ARDS coding from Vash and now we are showing off lol anyway here is a code.
Press L+R to Swap Player 1 Slot 1 Inventory and Player 2 Slot 1 Inventory
Code:94000130 FCFF0000 DC000000 021d88fe F21eccac 00000002 DC000000 021dab8a F21d88fe 00000002 DC000000 021eccac F21dab8a 00000002 121eccac 0000fff1 D2000000 00000000
Credit to siestacat for making the code and to oni-neoxes for making a few changes and making it work better.