From 4773c53f8faa847410adb5498c50d8687e3f0a01 Mon Sep 17 00:00:00 2001
From: Stephen Anthony <sa666666@gmail.com>
Date: Wed, 31 Jul 2024 13:41:42 -0230
Subject: [PATCH] Fix potential overflow in cycle calculation.

---
 src/emucore/CartELF.cxx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/emucore/CartELF.cxx b/src/emucore/CartELF.cxx
index 24091b3df..c3bcb093e 100644
--- a/src/emucore/CartELF.cxx
+++ b/src/emucore/CartELF.cxx
@@ -542,8 +542,8 @@ void CartridgeELF::runArm()
   )
     return;
 
-  const uInt32 cyclesGoal =
-    (mySystem->cycles() + ARM_RUNAHED_MAX) * myArmCyclesPer6502Cycle - getArmCycles();
+  const uInt32 cyclesGoal = static_cast<uInt32>(
+    (mySystem->cycles() + ARM_RUNAHED_MAX) * myArmCyclesPer6502Cycle - getArmCycles());
   uInt32 cycles = 0;
 
   const CortexM0::err_t err = myCortexEmu.run(cyclesGoal, cycles);