Fix multiplier behavioural

4 years ago · 5ac715d932
parent 537a0aac1d
commit 5ac715d932
1 changed files with 2 additions and 3 deletions
--- a/asic/behavioural/multiply_add_64x64.v
+++ b/asic/behavioural/multiply_add_64x64.v
@ -12,14 +12,13 @@ module multiply_add_64x64
    input [BITS*2-1:0] c,
    output [BITS*2-1:0] o
 );
-    reg [BITS*2-1:0] o_tmp[3:0];
+    reg [BITS*2-1:0] o_tmp[2:0];

    always @(posedge clk) begin
-        o_tmp[3] = o_tmp[2];
        o_tmp[2] = o_tmp[1];
        o_tmp[1] = o_tmp[0];
 	o_tmp[0] = (a * b) + c;
    end

-    assign o = o_tmp[3];
+    assign o = o_tmp[2];
 endmodule