Returns a list of BIOS devices available with XHDI.

6 (0x06)

This function is available when the XHDI_Cookie is present. XHReadWrite() is defined in all version of XHDI.

Returns a bit mask of BIOS devices supported by the XHDI driver(s) (see the value returned by Drvmap()).

	move.w	#6,-(sp)
	move.l	xhdi_handler,a0
	jsr	(a0)
	addq.l	#2,sp

XHDI, XHDIErrorCodes