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r192742 Tuesday 7th March, 2023 at 13:07:25 UTC by David Haywood
snk/hng64_v.cpp: urther video improvements: (#10947)

* Identified 'blend' flag for 3D objects and added minimal implementation.
* Emulated 'split' tilemap effect.
* Don't draw sprites with zero zoom values, rather than using an unscaled sprite,
* Made 'sprite erase' code less aggressive (prevent it from wiping out palette values).
* Implemented 'texture scrolling' (used for glass and water effects).
[src/mame/snk]hng64.cpp hng64.h hng64_3d.ipp hng64_sprite.ipp hng64_v.cpp


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