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Ok thanks. My brain wanted to subtract :/. Hey 3gengames can you post an example of nmi switching?

Why do you have to add after you invert the bits?

Thanks lazigamer I noticed I had a bit of unnecessary code in the checking scoring system. This will be helpful for future reference. Please do post 3gengames.

The ball acts spasticly and bounces below the paddle. Urgh... CheckPaddleCollision: LDA ballx SEC SBC #$08 CMP #PADDLE1X BCS CheckPaddleCollisionDone ;;if ball x > left wall, still on screen, skip next section <--BCC changed to BCS LDA bally CLC ADC #$08 CMP paddle1y BCC CheckPaddleCollisionDone ;;i...

Wow, thanks man. That fixed the freezing problem. Now I can't figure out why the collision won't work. The code works if I comment off parts ex. leave only the if greater than PADDLE1X part. If I leave in all the comparisons the code won't work :/.

I tried to finish bunnyboy's tutorial on nintendoage, but I had some issues. After a game over the game shortly plays and crashes. I can't get the collision date to work either. http://pastebin.com/5X1Us01D I can't figure out either; I've been playing around with the collision data for hours. Please...