diff --git a/command-center/command-center.lua b/command-center/command-center.lua
new file mode 100644
index 0000000..b54aad8
--- /dev/null
+++ b/command-center/command-center.lua
@@ -0,0 +1,5 @@
+
+local monitorMainRight = peripheral.wrap("monitor_16")
+local monitorMainLeft = peripheral.wrap("monitor_17")
+local monitorTopRight = peripheral.wrap("monitor_19")
+local monitorTopLeft = peripheral.wrap("monitor_18")
\ No newline at end of file
diff --git a/pcmToLua.d b/pcmToLua.d
new file mode 100755
index 0000000..628af94
--- /dev/null
+++ b/pcmToLua.d
@@ -0,0 +1,30 @@
+#!/usr/bin/env rdmd
+/**
+ * Converts a signed 8-bit PCM audio file into a Lua table list.
+ */
+module pcm_to_lua;
+
+import std.stdio;
+import std.file;
+
+int main(string[] args) {
+    if (args.length < 2) {
+        stderr.writeln("Missing required file.");
+        return 1;
+    }
+    string audioFilename = args[1];
+    if (!exists(audioFilename)) {
+        stderr.writefln!"File %s doesn't exist."(audioFilename);
+        return 1;
+    }
+
+    byte[] contents = cast(byte[]) std.file.read(audioFilename);
+    stdout.writeln("local audio = {");
+    foreach (byte sample; contents) {
+        stdout.writefln!"    %d,"(sample);
+    }
+    stdout.writeln("}");
+
+    return 0;
+}
+