There are 2 banks of 256 palettes of 16 colors made of 16bit RGB definitions available. Palettes are located at $400000 in the 68k's memory map and is 16kB in size.
Only one bank can be used at a time. They can be switched by using register ???
Color definition: DrgbRRRRGGGGBBBB, D is the Dark bit. RGB are the MSBs of each components, rgb are the LSBs.
Max colors on screen with RLI tricks: 256*16=4096 out of 2^16=65536.
Palettes are stored in Palette RAM.