Buzzer and Mode Switch working

Theremin/Theremin.ino

@@ -0,0 +1,24 @@
+/*
+ *@author James McKenzie
+ *@lang C89 Based
+ *@contact lunarised@outlook.com
+ */
+ int mode;
+void setup() {
+    pinMode(0, INPUT_PULLUP);
+    pinMode (13, OUTPUT);
+  pinMode(8, OUTPUT);
+  if (digitalRead(0) ==HIGH){
+    mode = 0;
+  }
+  else{
+    mode = 1;
+  }
+}
+
+void loop() {
+  if (mode == 0){
+    digitalWrite(13, HIGH);
+    tone(8, 440);cd 
+  }
+}