dpnor1021.vmd 1.43 KB
/**************************************************************/
/*    Verilog module of datapath cell DPNOR1021              */
/*    Designed by    Lin Yang    VLSI Technology  Oct. 20, 90 */
/*    Designed by    Linda J. Xu      July, 1992              */
/*                                                            */
/*    The following is the port description                   */
/*    Data ports                                              */
/*        A1   : the input port                               */
/*        INST   : the control input  port                    */
/*        ZN   : the output port                              */
/*    Parameters                                              */
/*        WORDSIZE  : the word size of the datapath cell      */
/*        DELAY     : the delay time from input to output     */
/*        BF        : the  with/without buffer flag           */
/*                    0 for without buffer; 1 for with buffer */
/**************************************************************/
module dpnor1021(A1, INST, ZN);

  parameter WORDSIZE = 8, DELAY = 1, BF = 1;
  input  [WORDSIZE-1:0] A1;
  input  INST;
  output [WORDSIZE-1:0] ZN;

  function [WORDSIZE-1:0] n_or;
    input [WORDSIZE-1:0] A1;
    input INST;

    integer i;
    begin
        i = 0;
        for (i = 0; i < WORDSIZE; i = i+1)
          n_or[i] = ~(A1[i] | INST);
    end
  endfunction

    assign #DELAY ZN = n_or (A1, INST);
endmodule