AMOSi:Y Hard
an example can be found on AMOSPro_Examples:Examples/H-5/Help_50.AMOS
Converts a Y coordinate relative to the current screen into a HARDware coordinate.
hy=Y Hard(ycoordinate)
If an optional screen number is given, then all coordinates will be relative to the selected screen.
hy=Y Hard(screen number,ycoordinate)