Denise
GPU 1985 style
This chip creates the video image.
Playfields
Amiga Hardware Reference Manual Playfields
Sprites
There are eight sprites and they are 16 pixels wide and can be any hieght.
A sprite pixel can have one of three colors or be transparent.
The sprite can be anywhere on the screen.
A sprite can be reused as long as there is at least one line between it's old lower edge and new top edge.
Sprite have a priority with lover number sprite being put in the foreground.
Two sprites can be attatched to each other to create a sprite with 15 colors +transparent.