Donkey Kong Jr. sprite hardware issue

[KLOV]

Currently stumped on this sprite issue on a DK Jr. board I'm working on. As you can see in the picture, there are equal gaps of missing sprite data. However, the data is there in between the gaps. All tile data is fine, displayed properly, so it's definitely somewhere in the the sprite logic. Did all the basic stuff, using the SLICE comparator on the logic in the sprite area, scoped and verified the correct clock frequencies (both horizontal and vertical), etc. I've also dug around the net...

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Source: https://forums.arcade-museum.com/thread ... ue.533125/