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module NonBlockingEx(clk, merge, er, xmit, fddi, claim);
input clk, merge, er, xmit, fddi;
output reg claim;
reg fcr;
always @(posedge clk)
begin
fcr <= er | xmit;
if(merge)
claim <= fcr & fddi;
else
claim <= fddi;
end
endmodule
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