From a7a2daee1191bb5090ac3853e6f30fa033bf4aff Mon Sep 17 00:00:00 2001
From: cpsdqs <cpsdqs@gmail.com>
Date: Sun, 10 Sep 2017 00:09:51 +0200
Subject: [PATCH] Prevent horrible screeching when BEL is spammed

---
 jssrc/term_screen.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/jssrc/term_screen.js b/jssrc/term_screen.js
index c6bb975..3ac2714 100644
--- a/jssrc/term_screen.js
+++ b/jssrc/term_screen.js
@@ -888,6 +888,10 @@ class TermScreen {
     const audioCtx = this.audioCtx;
     if (!audioCtx) return;
 
+    // prevent screeching
+    if (this._lastBeep && this._lastBeep > Date.now() - 50) return;
+    this._lastBeep = Date.now();
+
     let osc, gain;
 
     // main beep