INT 62 u - FGDRIVER v4.02 - "FG_GETYPOS" - GET GRAPHICS CURSOR ROW
	AX = 0058h
Return: AX = screen space Y coordinate of graphics cursor position
Note:	the FGDRIVER functions are rearranged with each major release, but
	  their parameters do not change (see #03474 at AX=0000h)
SeeAlso: AX=0054h,AX=007Eh,AX=007Fh