SHR - Shift Logical Right

	Usage:	SHR	dest,count
	Modifies flags: CF OF PF SF ZF (AF undefined)


	Shifts the destination right by "count" bits with zeroes shifted
	in on the left.  The Carry Flag contains the last bit shifted out.


				 Clocks			Size
	Operands	 808x  286   386   486		Bytes

	reg,1		  2	2     3			  2
	mem,1		15+EA	7     7			 2-4   (W88=23+EA)
	reg,CL		 8+4n  5+n    3			  2
	mem,CL	      20+EA+4n 8+n    7			 2-4   (W88=28+EA+4n)
	reg,immed8	  -    5+n    3			  3
	mem,immed8	  -    8+n    7			 3-5


	- see Instruction Timing