From a81d082e16aaffc6eb3e0d85f56ca67b40bfc089 Mon Sep 17 00:00:00 2001
From: Alex Janka <alex@alexjanka.com>
Date: Mon, 24 Apr 2023 16:05:07 +1000
Subject: [PATCH] fix crash

---
 lib/src/processor/memory/mmio/apu/channels.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/src/processor/memory/mmio/apu/channels.rs b/lib/src/processor/memory/mmio/apu/channels.rs
index 8e18045..1327772 100644
--- a/lib/src/processor/memory/mmio/apu/channels.rs
+++ b/lib/src/processor/memory/mmio/apu/channels.rs
@@ -506,8 +506,9 @@ struct Lfsr {
 
 impl Lfsr {
     fn update(&mut self) {
-        self.interval =
-            (1 << (self.clock_shift as u16)) * (1 + (2 * self.clock_divider as u16)) * 8;
+        self.interval = (1_u16 << (self.clock_shift as u16))
+            .wrapping_mul(1 + (2 * self.clock_divider as u16))
+            .wrapping_mul(8);
     }
 
     fn tick(&mut self) {