INT 62 u - FGDRIVER v3.03 - "FG_MOUSEVIS" - SET MOUSE CURSOR VISIBILITY
        AX = 0067h
        BX = new state (0000h invisible, 0001h visible)
Note:   For FGDRIVER v1.10, this function was "FG_SCROLL" (see AX=0089h);
          "FG_MOUSEVIS" was AX=007Bh
SeeAlso: AX=0061h,INT 33/AX=0001h,INT 33/AX=0002h

.