From f468d77606e1ee806fe5ad3969ea4bd4720223a5 Mon Sep 17 00:00:00 2001
From: uvok
Date: Thu, 1 Jan 2026 15:58:28 +0100
Subject: guard types

---
 nandgame/nandgame_types.v | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/nandgame/nandgame_types.v b/nandgame/nandgame_types.v
index 80e9375..f7273da 100644
--- a/nandgame/nandgame_types.v
+++ b/nandgame/nandgame_types.v
@@ -1,3 +1,6 @@
+`ifndef NANDGAME_TYPES_SV
+`define NANDGAME_TYPES_SV
+
 typedef enum logic [1:0] {
     LOGIC_AND  = 2'b00,
     LOGIC_OR   = 2'b01,
@@ -11,3 +14,5 @@ typedef enum logic [1:0] {
     ARITH_MINUS = 2'b10,
     ARITH_DEC   = 2'b11
 } ArithCode;
+
+`endif
-- 
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