From 4c227f3399b80db3f391e8dc28321525e22f8b9f Mon Sep 17 00:00:00 2001
From: Ivan Izaguirre <ivanizag@gmail.com>
Date: Sat, 11 Jan 2020 20:29:12 +0100
Subject: [PATCH] Non-blocking speaker clicks even when the queue is full

---
 apple2sdl/sdlSpeaker.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/apple2sdl/sdlSpeaker.go b/apple2sdl/sdlSpeaker.go
index 30dbc59..76cb3e0 100644
--- a/apple2sdl/sdlSpeaker.go
+++ b/apple2sdl/sdlSpeaker.go
@@ -48,7 +48,12 @@ func newSDLSpeaker() *sdlSpeaker {
 
 // Click receives a speaker click. The argument is the CPU cycle when it is generated
 func (s *sdlSpeaker) Click(cycle uint64) {
-	s.clickChannel <- cycle
+	select {
+		case s.clickChannel <- cycle:
+			// Sent
+		default:
+			// The channel is full, the click is lost.
+	}
 }
 
 func stateToLevel(state bool) C.Uint8 {