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// $Header: /home/marcus/revision_ctrl_test/oc_cvs/cvs/or1k/mp3/lib/xilinx/unisims/FDDRRSE.v,v 1.1.1.1 2001-11-04 18:59:47 lampret Exp $
 
/*
 
FUNCTION	: Dual Data Rate MUX
 
*/
 
`timescale  100 ps / 10 ps
 
`celldefine
 
module FDDRRSE (Q, C0, C1, CE, D0, D1, R, S);
 
    parameter cds_action = "ignore";
    parameter INIT = 1'h0;
 
    output Q;
    reg    q_out;
 
    input  C0, C1, CE, D0, D1, R, S;
 
    tri0 GSR = glbl.GSR;
 
    buf B1 (Q, q_out);
 
	always @(GSR)
	    if (GSR)
		assign q_out = INIT;
	    else
		deassign q_out;
 
	always @(posedge C0)
	    if (R)
		q_out <= 0;
	    else if (S)
		q_out <= 1;
	    else if (CE)
		q_out <= D0;
 
	always @(posedge C1)
	    if (R)
		q_out <= 0;
	    else if (S)
		q_out <= 1;
	    else if (CE)
		q_out <= D1;
 
    specify
	if (R)
	    (posedge C0 => (Q +: 1'b0)) = (1, 1);
	if (!R && S)
	    (posedge C0 => (Q +: 1'b1)) = (1, 1);
	if (!R && !S && CE)
	    (posedge C0 => (Q +: D0)) = (1, 1);
	if (R)
	    (posedge C1 => (Q +: 1'b0)) = (1, 1);
	if (!R && S)
	    (posedge C1 => (Q +: 1'b1)) = (1, 1);
	if (!R && !S && CE)
	    (posedge C1 => (Q +: D1)) = (1, 1);
    endspecify
 
endmodule
 
`endcelldefine