From 0f95f3efbe4879bcf8b24aafda1c10dd95e9dd40 Mon Sep 17 00:00:00 2001
From: Julian Blake Kongslie
Date: Tue, 23 Mar 2021 19:01:29 -0700
Subject: Replace dibble dabble algorithm with variant that tests after the
 add.

This makes it really easy to support odd bases.
---
 top.sv | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'top.sv')

diff --git a/top.sv b/top.sv
index 4acfdeb..cbb5b55 100644
--- a/top.sv
+++ b/top.sv
@@ -1,5 +1,6 @@
 module top
     #(  FIB_BITS = 16
+    ,   FIB_BASE = 10
     ,   ROM_BITS = 8
     )
     (   input   bit clk     // verilator public
@@ -58,6 +59,7 @@ bit [7:0] fib_a_data;
 
 ntoa
     #(  .BITS(FIB_BITS)
+    ,   .BASE(FIB_BASE)
     ) fib_ntoa
     (   .clk(clk)
     ,   .reset(reset)
@@ -97,9 +99,9 @@ always_ff @(posedge clk) begin
             if (!tx_valid && (data != 0)) begin
                 tx_valid = 1;
                 tx_data = data;
-                addr = addr + 1;
+                ++addr;
             end else if (data == 0) begin
-                addr = addr + 1;
+                ++addr;
                 state = state.next;
             end
         end
-- 
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