When using the below codes, can I use more than one as once and how will I know that they worked?:
The following codes turn the vitamins (carbos, iron, etc) into 255 EVs for the appropriate stat.
HP / HP Up: 12084576 000046C0
12084AFC 000020FF
Attack / Protein: 120845E2 000046C0
12084B5C 000020FF
Defence / Iron: 1208464E 000046C0
12084BBC 000020FF
Sp.Attack / Calcium: 1208472A 000046Ca
12084C7C 000420FF
Sp.Defence / Zinc: 12084796 000046C0
12084CDC 000020FF
Speed / Carbos: 120846BC 000046C0
12084C1C 000020FF