I am rewriting parts of the sprite collision routines . I thought I could get them to work , but the timing is too different from the original 5200 version, and the Collision routines make certain assumptions that are not true 100% of the time in-game.

Here is a quickie video I made to share what the problem is.

https://www.youtube.com/watch?v=gHe-yjXFceY&t=2s