From 5c1df6d27f5dac143efc9ce84689b863dbee45bd Mon Sep 17 00:00:00 2001
From: Julian Blake Kongslie
Date: Wed, 24 Mar 2021 08:35:07 -0700
Subject: Reorganize repo layout to make it a little easier to work within.

---
 ntoa.sv | 90 -----------------------------------------------------------------
 1 file changed, 90 deletions(-)
 delete mode 100644 ntoa.sv

(limited to 'ntoa.sv')

diff --git a/ntoa.sv b/ntoa.sv
deleted file mode 100644
index 6da1baf..0000000
--- a/ntoa.sv
+++ /dev/null
@@ -1,90 +0,0 @@
-`include "utils.svh"
-
-module ntoa
-    #(  BITS = 8
-    ,   BASE = 10
-    ,   BASE_BITS = $clog2(BASE)
-    ,   DIGITS = 3 // should be ceil[log(2**BITS) base BASE] which is hard to do in Verilog :-(
-    )
-    (   input   bit clk
-    ,   input   bit reset
-
-    ,   output  bit             n_ready
-    ,   input   bit             n_valid `define n_valid `past(n_valid)
-    ,   input   bit [BITS-1:0]  n_data  `define n_data `past(n_data)
-
-    ,   input   bit         a_ready `define a_ready `past(a_ready)
-    ,   output  bit         a_valid
-    ,   output  bit [7:0]   a_data
-    );
-
-bit bcd_ready;
-bit bcd_valid;
-bit [DIGITS-1:0][BASE_BITS-1:0] bcd_data;
-
-bin2bcd
-    #(  .BITS(BITS)
-    ,   .BASE(BASE)
-    ,   .BASE_BITS(BASE_BITS)
-    ,   .DIGITS(DIGITS)
-    ) b2b
-    (   .clk(clk)
-    ,   .reset(reset)
-
-    ,   .bin_ready(n_ready)
-    ,   .bin_valid(n_valid)
-    ,   .bin_data(n_data)
-
-    ,   .bcd_ready(bcd_ready)
-    ,   .bcd_valid(bcd_valid)   `define bcd_valid `past(bcd_valid)
-    ,   .bcd_data(bcd_data)     `define bcd_data `past(bcd_data)
-    );
-
-bit bcd_b_valid;
-bit [DIGITS-1:0][BASE_BITS-1:0] bcd_b_data;
-
-bit [$clog2(DIGITS):0] work;
-
-always_ff @(posedge clk) begin
-    if (reset) begin
-        a_valid = 0;
-        bcd_ready = 0;
-        bcd_b_valid = 0;
-    end else begin
-        if (bcd_ready && `bcd_valid) begin
-            bcd_b_valid = 1;
-            bcd_b_data = `bcd_data;
-            // verilator lint_off WIDTH
-            work = DIGITS;
-            // verilator lint_on WIDTH
-            for (int i = 0; i < DIGITS - 1; ++i) begin
-                if (bcd_b_data[DIGITS-1] != 0) break;
-                bcd_b_data = { bcd_b_data[DIGITS-2:0], {BASE_BITS{1'b0}} };
-                --work;
-            end
-        end
-
-        if (`a_ready) a_valid = 0;
-        if (!a_valid && bcd_b_valid) begin
-            if (work != 0) begin
-                a_valid = 1;
-                // verilator lint_off WIDTH
-                if (bcd_b_data[DIGITS-1] < 10)
-                    a_data = "0" + bcd_b_data[DIGITS-1];
-                else
-                    a_data = "a" + bcd_b_data[DIGITS-1] - 10;
-                // verilator lint_off WIDTH
-                bcd_b_data = { bcd_b_data[DIGITS-2:0], {BASE_BITS{1'b0}} };
-                --work;
-            end else begin
-                a_valid = 1;
-                a_data = ",";
-                bcd_b_valid = 0;
-            end
-        end
-
-        bcd_ready = !bcd_b_valid;
-    end
-end
-
-endmodule
-- 
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