From 7788a109b030a7eab79389a2d7c2b1fad347938a Mon Sep 17 00:00:00 2001
From: Thomas Harte <thomas.harte@gmail.com>
Date: Sun, 29 May 2022 20:51:50 -0400
Subject: [PATCH] Tweak more overtly to avoid divide by zero.

---
 InstructionSets/M68k/Implementation/PerformImplementation.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/InstructionSets/M68k/Implementation/PerformImplementation.hpp b/InstructionSets/M68k/Implementation/PerformImplementation.hpp
index 03b353376..a551f11ec 100644
--- a/InstructionSets/M68k/Implementation/PerformImplementation.hpp
+++ b/InstructionSets/M68k/Implementation/PerformImplementation.hpp
@@ -522,7 +522,8 @@ template <
 #define DIV(Type16, Type32, flow_function) {								\
 	status.carry_flag = 0;													\
 																			\
-	if(!src.w) {															\
+	const auto divisor = Type32(Type16(src.w));								\
+	if(!divisor) {															\
 		status.negative_flag = status.overflow_flag = 0;					\
 		status.zero_result = 1;												\
 		flow_controller.raise_exception(Exception::IntegerDivideByZero);	\
@@ -530,7 +531,6 @@ template <
 	}																		\
 																			\
 	const auto dividend = Type32(dest.l);									\
-	const auto divisor = Type32(Type16(src.w));								\
 	const auto quotient = dividend / divisor;								\
 																			\
 	if(quotient != Type32(Type16(quotient))) {								\