From f08da850c7ee641026288925fac970a2af51ba52 Mon Sep 17 00:00:00 2001
From: Michel Heily <michelheily@gmail.com>
Date: Sat, 13 Jul 2019 23:33:37 +0300
Subject: [PATCH] thumb: Fix overflowing multiplication

Former-commit-id: 5dbd45f9fd3811726aad9c32444f0dcf42d0b8be
---
 src/arm7tdmi/thumb/exec.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/arm7tdmi/thumb/exec.rs b/src/arm7tdmi/thumb/exec.rs
index b0ec658..07f8339 100644
--- a/src/arm7tdmi/thumb/exec.rs
+++ b/src/arm7tdmi/thumb/exec.rs
@@ -82,7 +82,7 @@ impl Core {
         for _ in 0..m {
             self.add_cycle();
         }
-        self.gpr[insn.rd()] = (op1 * op2) as u32;
+        self.gpr[insn.rd()] = op1.wrapping_mul(op2) as u32;
         Ok(CpuPipelineAction::IncPC)
     }