Were these formats not all the same though ? You have hires interlace 4 bitplanes with a sliced palette (reloading 15 new colours with the copper each frame) and also sliced ham modes with lowres interlaced but a sliced ham palette (less fringing) ?
I was coding on a intro advert for exotica back in 1998. I should really finish it. It has a few images in "dynamic hires) (or pchg) format at the top 2 3rds of the screen , and a lowres scroller (2 pixel), in the bottom. I'm sure I could do a 1 pixel, with some optimisation. I was going to do something with the 4 sprites available too..
The pics did look pretty good though..
