From 78333347132672bb7f9ba87ddcdec0306f9fdb07 Mon Sep 17 00:00:00 2001
From: Erin <erin@erindesu.cz>
Date: Thu, 13 Jul 2023 11:11:35 +0200
Subject: [PATCH] Update spec

---
 spec.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/spec.md b/spec.md
index 8fc02019..46df17b1 100644
--- a/spec.md
+++ b/spec.md
@@ -279,6 +279,7 @@ Program should at least implement these traps:
 - Invalid instruction exception
 - Load address exception
 - Store address exception
+- Unreachable instruction
 
 and executing environment should be able to get information about them,
 like the opcode of invalid instruction or attempted address to load/store.