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// Memory Array
reg [7:0] meml [0:WORDS-1];
reg [7:0] memh [0:WORDS-1];
// If used as Rom then load a memory image at startup
initial 
  begin
  $display("SRAM def %m.mem");
  $display("  AddrBits=%d DataBits = 16  Words = %d  ",ADDR,WORDS);
  end

// Write function   
always@(posedge clk)
        if( wr && cs && be[0]) meml[addr[ADDR:1]] <= wdata[7:0];



   always@(posedge clk)
        if( wr && cs && be[1]) memh[addr[ADDR:1]] <= wdata[15:8];



  // Read function gets new data if also a write cycle
  // latch the read addr for next cycle   
  reg   [ADDR:1]          l_raddr;
  reg                       l_cycle;     

  always@(posedge clk)   
    begin
       l_raddr    <= addr;   
       l_cycle    <=  rd && cs  ;   
     end  



generate
if( WRITETHRU) 
  begin


  // Read into a wire and then pass to rdata because some synth tools can't handle a memory in a always block
  wire  [15:0] tmp_rdata;
  assign            tmp_rdata  =      (l_cycle )?{memh[{l_raddr[ADDR:1]}],meml[{l_raddr[ADDR:1]}]}:16'hffff;
  always@(*)            rdata  =      tmp_rdata;   
  end
else
  begin 
  // Read function gets old data if also a write cycle
  always@(posedge clk)
        if( rd && cs ) rdata             <= {memh[{addr[ADDR:1]}],meml[{addr[ADDR:1]}]}          ;
        else           rdata             <= 16'hffff;
  end              
endgenerate