From 9a6866d14a5ef5c635bb4ac58489661db62b6907 Mon Sep 17 00:00:00 2001
From: Nick Hastings <nshastings@gmail.com>
Date: Sat, 30 Oct 2021 11:45:45 -0400
Subject: [PATCH] Invert CRC to match most popular implementations.

---
 core/logic/sm_crc32.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/logic/sm_crc32.cpp b/core/logic/sm_crc32.cpp
index 7b021699..5081552a 100644
--- a/core/logic/sm_crc32.cpp
+++ b/core/logic/sm_crc32.cpp
@@ -89,6 +89,6 @@ unsigned int UTIL_CRC32(const void *pdata, size_t data_length)
 		crc = CRCTable[c] ^ (crc >> 8);
 	}
 
-	return crc;
+	return ~crc;
 }