Int 62 Fn 00E5  u - Fgdriver V4.02 - "fg_yconvert" - Convert Character Ro  [V]

   AX = 00E5h
   BX = character space row

Return: AX = screen space row of topmost pixel in specified character row

Note:  the FGDRIVER functions are rearranged with each major release, but
     their parameters do not change (see #3145 at AX=0000h)

See Also: AX=00E2h,AX=00E4h,AX=00E6h