MLB 10 The Show - Trying to figure out graphical problem

[forerunner919]

Hi all,

I downloaded PPSSPP recently and the majority of the game runs very smoothly, but there is one small bug that needs addressing. When you're pitching there's a slider that you can use to adjust how fast your pitch is and how accurate it is. It appears whenever you try to do a pitch.

Right now it only seems to glide whenever it feels like it, and I keep throwing pitches way off course, when on the actual PSP it's generally very smooth. Is there any way to address this technical glitch?