You probably patched the rom badly or you used a non-original rom for the patch

Save/Select + Right Load/Select + Left

Thank you helped a lot!

Hi guys, I'm not a newbie but I've been playing Mario for 8 months, so today I downloaded Pelson's patch and patched the usual rom Mario patch itself is good, but I didn't figure out how to save saves and load them.

For me the easiest game the baby In yellow Well, what's so difficult in 3 weeks you can and a world record