From a0e20e873b896ce7298620c95c488bc031ec32d2 Mon Sep 17 00:00:00 2001
From: Julian Blake Kongslie
Date: Thu, 17 Feb 2022 08:47:26 -0800
Subject: Force one-hot encoding of states.

---
 hdl/command_parser.sv | 2 +-
 hdl/ram_controller.sv | 2 +-
 hdl/result_printer.sv | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/hdl/command_parser.sv b/hdl/command_parser.sv
index d6775ad..6ab57b7 100644
--- a/hdl/command_parser.sv
+++ b/hdl/command_parser.sv
@@ -20,7 +20,7 @@ module command_parser
     bit         input_byte_valid;
     bit [7:0]   input_byte;
 
-    enum
+    (* syn_encoding = "one-hot" *) enum
         {   READ_ADDRESS_OR_COMMAND
         ,   READ_DATA_1
         ,   READ_DATA_2
diff --git a/hdl/ram_controller.sv b/hdl/ram_controller.sv
index 015eef0..0789cac 100644
--- a/hdl/ram_controller.sv
+++ b/hdl/ram_controller.sv
@@ -33,7 +33,7 @@ module ram_controller
 
     bit         slow;
 
-    enum
+    (* syn_encoding = "one-hot" *) enum
         {   CHIP_SELECT
 
         ,   SEND_COMMAND_1
diff --git a/hdl/result_printer.sv b/hdl/result_printer.sv
index 7bcaf31..e873d33 100644
--- a/hdl/result_printer.sv
+++ b/hdl/result_printer.sv
@@ -14,7 +14,7 @@ module result_printer
     bit         hold_valid;
     bit [15:0]  hold;
 
-    enum
+    (* syn_encoding = "one-hot" *) enum
         {   DIGIT_1
         ,   DIGIT_2
         ,   DIGIT_3
-- 
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