feat: add clock output

6502_project.ino

@@ -0,0 +1,20 @@
+#define CLOCK_PIN 13
+#define OUTPUT_PINS 1
+#define CLOCK_MS 150
+
+void setup() {
+  Serial.begin(9600);
+  
+  // OUTPUT
+  pinMode(CLOCK_PIN, OUTPUT);
+}
+
+void loop() {
+  // CLOCK HIGH
+  digitalWrite(CLOCK_PIN, HIGH);
+  delay(CLOCK_MS);
+
+  // CLOCK LOW 
+  digitalWrite(CLOCK_PIN, LOW);
+  delay(CLOCK_MS);
+}