Swizzling

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Swizzling is a graphics hardware technique for storing image data in memory in a non-linear order. This method groups nearby pixels, enhancing performance for the graphics processor compared to traditional linear storage.

Also, it is a data organization method in ROM hacking used by game consoles to enhance how the graphics processor accesses textures. This technique arranges pixels into small blocks rather than linear rows, ensuring that adjacent pixels in a 2D image are stored in proximity within physical memory.

If you see a sprite display, they were displaying in tiles and it can add 8 and 8 until become a 16 and make the full art.