Normalize PICO-8 palette aliases and fix bitplane mask#47
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PICO-8 masks screen palette entries before resolving the final display color, which means values such as 16..31 map back to the base palette and 240..255 map to the hidden palette. Apply the same normalization to screen and raster palette entries at render time so the canonical hidden range and its byte aliases resolve consistently.
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PICO-8 masks screen palette entries before resolving the final display color, which means values such as 16..31 map back to the base palette and 240..255 map to the hidden palette.
Apply the same normalization to screen and raster palette entries at render time so the canonical hidden range and its byte aliases resolve consistently.
Additionally, fix bug assuming that bitplane mask is 3 bits instead of 4.