Rotate100_hdlbits

3480 단어 verilog
module top_module(
    input clk,
    input load,
    input [1:0] ena,
    input [99:0] data,
    output reg [99:0] q); 

    always @ (posedge clk)
        begin
            if (load)
                q <= data;
            else if (ena == 2'b10)
                q <= {q[98:0],q[99]};
            else if (ena == 2'b01)
                q <= {q[0],q[99:1]};
            else if (ena == 2'b00 || ena == 2'b11)
                q<=q;
        end
endmodule

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