ex4_2.edf

VHDL子程序集,包括各种例程资料以及源码.

(edif  COMPARE
  (edifVersion 2 0 0)
  (edifLevel 0)
  (keywordMap
    (keywordLevel 0)
  )
  (status
    (written
      (timeStamp 2002 7 25 13 4 43)
      (program "FPGA Express"
	(version "3.4.0.5124")
      )
      (author "liou")
    )
  )
  (external SPARTAN2
    (edifLevel 0)
    (technology
      (numberDefinition)
    )
    (cell IBUF
      (cellType GENERIC)
      (view Netlist_representation
	(viewType NETLIST)
	(interface
	  (port O
	    (direction OUTPUT)
	  )
	  (port I
	    (direction INPUT)
	  )
	)
      )
    )
    (cell LUT2
      (cellType GENERIC)
      (view Netlist_representation
	(viewType NETLIST)
	(interface
	  (port I0
	    (direction INPUT)
	  )
	  (port I1
	    (direction INPUT)
	  )
	  (port O
	    (direction OUTPUT)
	  )
	)
      )
    )
    (cell OBUF_S_12
      (cellType GENERIC)
      (view Netlist_representation
	(viewType NETLIST)
	(interface
	  (port O
	    (direction OUTPUT)
	  )
	  (port I
	    (direction INPUT)
	  )
	)
      )
    )
  )
  (library DESIGNS
    (edifLevel 0)
    (technology
      (numberDefinition)
    )
    (cell COMPARE
      (cellType GENERIC)
      (view Netlist_representation
	(viewType NETLIST)
	(interface
	  (port A
	    (direction INPUT)
	  )
	  (port B
	    (direction INPUT)
	  )
	  (port LARGE
	    (direction OUTPUT)
	  )
	  (port EQV
	    (direction OUTPUT)
	  )
	  (port SMALL
	    (direction OUTPUT)
	  )
	)
	(contents
	  (instance C_A
	    (viewRef Netlist_representation
	      (cellRef IBUF
		(libraryRef SPARTAN2)
	      )
	    )
	  )
	  (instance C_B
	    (viewRef Netlist_representation
	      (cellRef IBUF
		(libraryRef SPARTAN2)
	      )
	    )
	  )
	  (instance C_LARGE
	    (viewRef Netlist_representation
	      (cellRef OBUF_S_12
		(libraryRef SPARTAN2)
	      )
	    )
	  )
	  (instance C_EQV
	    (viewRef Netlist_representation
	      (cellRef OBUF_S_12
		(libraryRef SPARTAN2)
	      )
	    )
	  )
	  (instance C_SMALL
	    (viewRef Netlist_representation
	      (cellRef OBUF_S_12
		(libraryRef SPARTAN2)
	      )
	    )
	  )
	  (instance C9
	    (viewRef Netlist_representation
	      (cellRef LUT2
		(libraryRef SPARTAN2)
	      )
	    )
	    (property lut_function
	      (string "(I0' I1)")
	    )
	    (property INIT
	      (string "4")
	    )
	    (property EQN
	      (string "(~I0 * I1)")
	    )
	  )
	  (instance C10
	    (viewRef Netlist_representation
	      (cellRef LUT2
		(libraryRef SPARTAN2)
	      )
	    )
	    (property lut_function
	      (string "(I0 I1 + I0' I1')")
	    )
	    (property INIT
	      (string "9")
	    )
	    (property EQN
	      (string "(I0 * I1 + ~I0 * ~I1)")
	    )
	  )
	  (instance C11
	    (viewRef Netlist_representation
	      (cellRef LUT2
		(libraryRef SPARTAN2)
	      )
	    )
	    (property lut_function
	      (string "(I0 I1')")
	    )
	    (property INIT
	      (string "2")
	    )
	    (property EQN
	      (string "(I0 * ~I1)")
	    )
	  )
	  (net N_A
	    (joined
	      (portRef O
		(instanceRef C_A)
	      )
	      (portRef I0
		(instanceRef C9)
	      )
	      (portRef I0
		(instanceRef C10)
	      )
	      (portRef I0
		(instanceRef C11)
	      )
	    )
	  )
	  (net N_B
	    (joined
	      (portRef O
		(instanceRef C_B)
	      )
	      (portRef I1
		(instanceRef C9)
	      )
	      (portRef I1
		(instanceRef C10)
	      )
	      (portRef I1
		(instanceRef C11)
	      )
	    )
	  )
	  (net N_LARGE
	    (joined
	      (portRef I
		(instanceRef C_LARGE)
	      )
	      (portRef O
		(instanceRef C11)
	      )
	    )
	  )
	  (net N_EQV
	    (joined
	      (portRef I
		(instanceRef C_EQV)
	      )
	      (portRef O
		(instanceRef C10)
	      )
	    )
	  )
	  (net N_SMALL
	    (joined
	      (portRef I
		(instanceRef C_SMALL)
	      )
	      (portRef O
		(instanceRef C9)
	      )
	    )
	  )
	  (net A
	    (joined
	      (portRef I
		(instanceRef C_A)
	      )
	      (portRef A)
	    )
	  )
	  (net B
	    (joined
	      (portRef I
		(instanceRef C_B)
	      )
	      (portRef B)
	    )
	  )
	  (net LARGE
	    (joined
	      (portRef O
		(instanceRef C_LARGE)
	      )
	      (portRef LARGE)
	    )
	  )
	  (net EQV
	    (joined
	      (portRef O
		(instanceRef C_EQV)
	      )
	      (portRef EQV)
	    )
	  )
	  (net SMALL
	    (joined
	      (portRef O
		(instanceRef C_SMALL)
	      )
	      (portRef SMALL)
	    )
	  )
	)
      )
    )
  )
  (design COMPARE
    (cellRef COMPARE
      (libraryRef DESIGNS)
    )
    (property PART
      (string "2S100-TQ144-6")
    )
  )
)