From d62ea958895e9f408244e1444ea256a7cdc1cfb0 Mon Sep 17 00:00:00 2001
From: Thomas Harte <thomas.harte@gmail.com>
Date: Tue, 9 Apr 2024 21:53:40 -0400
Subject: [PATCH] Make some intimation towards audio.

---
 Machines/Acorn/Archimedes/Sound.hpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/Machines/Acorn/Archimedes/Sound.hpp b/Machines/Acorn/Archimedes/Sound.hpp
index 501e0ff7e..1ea17be30 100644
--- a/Machines/Acorn/Archimedes/Sound.hpp
+++ b/Machines/Acorn/Archimedes/Sound.hpp
@@ -8,6 +8,9 @@
 
 #pragma once
 
+#include "../../../Concurrency/AsyncTaskQueue.hpp"
+#include "../../../Outputs/Speaker/Implementation/LowpassSpeaker.hpp"
+
 #include <cstdint>
 
 namespace Archimedes {
@@ -15,7 +18,10 @@ namespace Archimedes {
 /// Models the Archimedes sound output; in a real machine this is a joint efort between the VIDC and the MEMC.
 template <typename InterruptObserverT>
 struct Sound {
-	Sound(InterruptObserverT &observer, const uint8_t *ram) : ram_(ram), observer_(observer) {}
+	Sound(InterruptObserverT &observer, const uint8_t *ram) : ram_(ram), observer_(observer) {
+		speaker_.set_input_rate(1'000'000);
+		speaker_.set_high_frequency_cutoff(10'000.0f);	// Complete guess as to frequency.
+	}
 
 	void set_next_end(uint32_t value) {
 		next_.end = value;
@@ -115,6 +121,8 @@ private:
 	} positions_[8];
 
 	InterruptObserverT &observer_;
+	Outputs::Speaker::PushLowpass<true> speaker_;
+	Concurrency::AsyncTaskQueue<true> queue_;
 };
 
 }