SAHF - Store AH Register into FLAGS


	Usage:	SAHF
	Modifies flags: AF CF PF SF ZF


	Transfers bits 0-7 of AH into the Flags Register.  This includes
	AF, CF, PF, SF and ZF.


				 Clocks			Size
	Operands	 808x  286   386   486		Bytes

	none		  4	2     3	    2		  1


	- see Instruction Timing