aef77744e1
In this custom mode, odd lines use MODE 0 (wide pixels, 16 colors), and even lines use MODE 1 (square pixels, 4 colors). - Add a settings window to the 8-bit effect where you can chose what you want to draw - Add the customizations required to make it work in graph.c - Tweak some other places so it is easier to add other modes later on. - Groundwork for some more modes: EGX2, ZX spectrum, Game Boy color.