EHB Sliced Mode
With EHB palette switching, it is possible to produce yet more colors in a single image; this can be achieved by splitting the image into multiple horizontal blocks (slices), between which the color registers are modified during the vertical scan. This is not an official graphics mode, but a software technique made possible by the hardware. For example, by switching the palette eight times during a vertical scan, it is possible to produce up to 512 on-screen colors. Unlike the 4096 color HAM mode, this technique places no restrictions on color combinations between horizontally adjacent pixels. For example, moving parts of the image (within slice) do not require complex operations.
Read more about this topic: Amiga Halfbrite Mode
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