From b210652718996d51bbb32d61007d748c1b03718d Mon Sep 17 00:00:00 2001
From: Forest Belton <65484+forestbelton@users.noreply.github.com>
Date: Mon, 9 Aug 2021 18:25:50 -0400
Subject: [PATCH] Don't include UNUSED in list of all instructions

This was causing UNUSED instructions to be sampled more often than
expected
---
 gbso/cpu/insn.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gbso/cpu/insn.py b/gbso/cpu/insn.py
index 9e557ff..623da1c 100644
--- a/gbso/cpu/insn.py
+++ b/gbso/cpu/insn.py
@@ -1694,7 +1694,7 @@ class UNUSED(Insn):
 
 
 ALL_INSN_CLASSES: List[Type[Insn]] = [
-    cls for cls in Insn.__subclasses__() if cls != Insn  # type: ignore
+    cls for cls in Insn.__subclasses__() if cls not in {Insn, UNUSED}  # type: ignore
 ]
 
 INSNS_BY_SIGNATURE: Dict[str, List[Type[Insn]]] = defaultdict(list)