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Ninja Kids strange sprites priority error

Tailsnic Retroworks

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I have collected a Ninja Kids single board version, but have a little glitch when presenting the sprites. In my opinion is a problem of drawing priority.

In the next image, you can see part of the scroll is "devoured" by a part of the window, and also the white background of Hanzo.
PXL_20250622_101104434.jpg


In the selection screen also this glitch is seen. I have made manual tests and those graphics are from the threads the character have after passing this screen. They have supposed to be "covered" by the white background.

PXL_20250622_101115355.jpg


PXL_20250622_101121333.jpg


I have exchanged TC0190FMC and also TC0520TBC, but the same issue.

I don't think this is a ram related problem. The last culprit I have to make clear is TC05400BN, which is in charge of drawing the sprites section. Must have an internal priority layer section which probably is broken.

What do you think? Could be TC0360PRI also a potential culprit of this issue?
 
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