Hacking How to save super mario sunshine

[Bearbox]

So ive installed super mario sunshine but it says "there is no memory card in slot A" does anyone have an idea how can i save my progress?

 

[Shadow#1]

So ive installed super mario sunshine but it says "there is no memory card in slot A" does anyone have an idea how can i save my progress?

Turn on memory card emulation in Nintendnt on

 

[Bearbox]

How do i do that?