Adding asic_add block to abs circuit

common/hdl/oh_abs.v

@@ -2,20 +2,34 @@
 //# Function: Calculates absolute value of input                              #
 //#############################################################################
 //# Author:   Andreas Olofsson                                                #
-//# License:  MIT (see LICENSE file in OH! repository)                        # 
+//# License:  MIT (see LICENSE file in OH! repository)                        #
 //#############################################################################
 
-module oh_abs #(parameter DW = 2) // data width
+module oh_abs
+  #(parameter N    = 32,        // block width
+    parameter SYN  = "TRUE",    // synthesizable
+    parameter TYPE = "DEFAULT"  // implementation type
+    )
    (
-    input [DW-1:0]  in, //input operand
-    output [DW-1:0] out, //out = abs(in) (signed two's complement)
-    output 	    overflow  //high for max negative #
+    input [N-1:0]  in,       // input operand
+    output [N-1:0] out,      // out = abs(in) (signed two's complement)
+    output 	   overflow  // high for max negative #
     );
-   
-   assign out[DW-1:0] = in[DW-1] ? ~in[DW-1:0] + 1'b1 :
-			            in[DW-1:0];
 
-   assign overflow = in[DW-1] & ~(|in[DW-2:0]);
-
-endmodule // oh_abs
+   generate
+      if(SYN == "TRUE")  begin
+	 assign out[N-1:0] = in[N-1] ? ~in[N-1:0] + 1'b1 : in[N-1:0];
+	 assign overflow   = in[N-1] & ~(|in[N-2:0]);
+      end
+      else begin
+	 asic_abs #(.TYPE(TYPE),
+		    .N(N))
+	 asic_abs(// Outputs
+		  .out	    (out[N-1:0]),
+		  .overflow (overflow),
+		  // Inputs
+		  .in	    (in[N-1:0]));
+      end
 
+   endgenerate
+endmodule