@milego @TipsyTentacle it was definitely a hack figured out after the system launched. you're shifting the colour palette one channel at a time per each pixel, due to limitations of the gfx architecture, speed of CPU and memory, and the fact that there was still a leftover NTSC HSL colourspace processor on the board. it's not like today where there's provided APIs and shit, if you wanted HAM in your app you just had to write the code to do it, and make sure you left over enough CPU cycles to actually run your app after it was done actively manipulating the palette on every pixel.

so so rad. love that shit.