Rocketlauncher game screen too small

[latin625]

Hi,

So when I launch a game like 19XX in retroarch via Rocketlauncher, the screen the game is on in the middle is way too small.  How can I increase the screen vertical?

[damageinc86]

I would guess there's a full screen setting in the module settings tab. 

[latin625]

I didnt see one.