JG/JNLE - Jump Greater / Jump Not Less or Equal

	Usage:	JG	label
		JNLE	label
	Modifies flags: None

	Causes execution to branch to "label" if the Zero Flag is clear or
	the Sign Flag equals the Overflow Flag.  Signed comparision.

				 Clocks			Size
	Operands	 808x  286   386   486		Bytes

	label:	jump	  16   7+m   7+m    3		 2-4
		no jump	  4	3     3	    1

	- see Instruction Timing