INT 62 u - FGDRIVER v4.02 - "FG_MOUSEVIS" - SET MOUSE CURSOR VISIBILITY
	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 #03474 at AX=0000h)
SeeAlso: AX=0077h,INT 33/AX=0001h,INT 33/AX=0002h