INT 62 - FGDRIVER v4.02 - "FG_XVIEW" - CONVERT VIEWPORT COORDINATE AX = 00E3h BX = horizontal viewport coordinate Return: AX = screen space X coordinate corresponding to supplied coordinate Notes: the FGDRIVER functions are rearranged with each major release, but their parameters do not change (see #03474 at AX=0000h) if no viewport has been defined, the returned coordinate will be the same as the viewport coordinate SeeAlso: AX=00E2h,AX=00E6h