Int 62 Fn 0073  u - Fgdriver V4.02 - "fg_mouse256" - Define 256-color Mou  [V]

   AX = 0073h
   ES:BX -> 512-byte cursor definition
   CX = X offset of hot-spot within mouse cursor
   DX = Y offset of hot-spot within mouse cursor

Return: nothing

Notes: the FGDRIVER functions are rearranged with each major release, but
     their parameters do not change (see #3145 at AX=0000h)
   the cursor definition array consists of 256 bytes defining the 16x16
     screen mask, followed by another 256 bytes definining the 16x16
     cursor mask

See Also: AX=0074h,AX=0075h,AX=007Bh