*Raster Interrupts :
The diagonal graphics are not easy to mix with horizontal rasters interrupts or video Mode changes... But it can still be used on for some HUD or windows which may not cross the play field (with a vertical 256 pixels sized screen), or . Or in Mode0 games (: with a "lot " of existing inks , so more margin to play with those ink changes...)with no clashes.
*Hardwired scrolling :