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// $Header: /home/marcus/revision_ctrl_test/oc_cvs/cvs/or1k/mp3/lib/xilinx/unisims/FDC.v,v 1.1.1.1 2001-11-04 18:59:47 lampret Exp $ /* FUNCTION : D-FLIP-FLOP with async clear */ `timescale 100 ps / 10 ps `celldefine module FDC (Q, C, CLR, D); parameter cds_action = "ignore"; parameter INIT = 1'b0; output Q; reg q_out; input C, CLR, D; tri0 GSR = glbl.GSR; buf B1 (Q, q_out); always @(GSR or CLR) if (GSR) assign q_out = INIT; else if (CLR) assign q_out = 0; else deassign q_out; always @(posedge C) q_out <= D; specify (posedge CLR => (Q +: 1'b0)) = (1, 1); if (!CLR) (posedge C => (Q +: D)) = (1, 1); endspecify endmodule `endcelldefine