INT 32 - NOISE.SYS v0.53+ - READ URANDOM BYTES

	AX = 6E16h
	CX = number of bytes
	ES:DI -> buffer
Return: CF set on error
	    AL = error code (FDh,FEh) (see #03166)
	CF clear if successful
	    CX = number of random bytes read
SeeAlso: AX=6E00h,AX=6E12h,AX=6E17h