Int 62 Fn 007D  u - Fgdriver V4.02 - "fg_mousevis" - Set Mouse Cursor Vis  [V]

   AX = 007Dh
   BX = new state (0000h invisible, 0001h visible)

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

See Also: AX=0077h,INT 33/AX=0001h,INT 33/AX=0002h