ml507: readmemh does not support dynamic paths on ISE

scripts/vlsi_rom_gen

@@ -23,9 +23,6 @@ module {name}(
   reg [{output_width_minus_1}:0] rom [0:{depth_minus_1}];
 
 
-  // 1024 is the maximum length of $readmemh filename supported by Cadence Incisive
-  reg [1024 * 8 - 1:0] path;
-
   integer i;
   initial begin
 `ifdef RANDOMIZE
@@ -35,10 +32,7 @@ module {name}(
     end
   `endif
 `endif
-    if (!$value$plusargs("maskromhex=%s", path)) begin
-      path = "{rom_hex_file}";
-    end
-    $readmemh(path, rom);
+    $readmemh("{rom_hex_file}", rom);
   end