Subversion Repositories test_project

module ram_wb_sc_sw (dat_i, dat_o, adr_i, we_i, clk );
 
   parameter dat_width = 32;
   parameter adr_width = 20;
   parameter mem_size  = 262144;
 
   input [dat_width-1:0]      dat_i;
   input [adr_width-1:0]      adr_i;
   input 		      we_i;
   output reg [dat_width-1:0] dat_o;
   input 		      clk;   
 
   reg [dat_width-1:0] ram [0:mem_size - 1] /* synthesis ram_style = no_rw_check */;
 
   // Preload the memory
   // Note! This vmem file must be WORD addressed, not BYTE addressed
   // eg: @00000000 00000000 00000000 00000000 00000000
   //     @00000004 00000000 00000000 00000000 00000000
   //     @00000008 00000000 00000000 00000000 00000000
   //     @0000000c 00000000 00000000 00000000 00000000
   //     etc..
   parameter memory_file = "sram.vmem";
   initial
     begin
	$readmemh(memory_file, ram);
     end
 
   always @ (posedge clk)
     begin 
	dat_o <= ram[adr_i];
	if (we_i)
	  ram[adr_i] <= dat_i;
     end 
 
endmodule // ram_wb_sc_sw