INT 62 u - FGDRIVER v3.03+ - "FG_CAPSLOCK" - GET STATE OF CAPSLOCK KEY
	AX = 000Ah
Return: AX = CapsLock state (0000h off, 0001h on)
Note:	the FGDRIVER functions are rearranged with each major release, but
	  their parameters do not change (see #03474)
SeeAlso: AX=0082h,AX=00A4h,AX=00A8h,AX=00B1h