feat: add input pins

6502_project.ino

@@ -1,9 +1,17 @@
 #define CLOCK_PIN 13
+#define INPUT_PINS 8
 #define OUTPUT_PINS 1
 #define CLOCK_MS 150
 
+int inputs[INPUT_PINS] = {2, 3, 4, 5, 6, 7, 8, 9};
+
 void setup() {
   Serial.begin(9600);
+
+  // INPUT 
+  for (int i = 0; i<INPUT_PINS; i++) {
+    pinMode(inputs[i], INPUT);
+  }
   
   // OUTPUT
   pinMode(CLOCK_PIN, OUTPUT);
@@ -14,6 +22,11 @@ void loop() {
   digitalWrite(CLOCK_PIN, HIGH);
   delay(CLOCK_MS);
 
+  // INPUT ACTION
+  for(int i = INPUT_PINS - 1; i >= 0; i--) {
+    Serial.print(digitalRead)
+  }
+
   // CLOCK LOW 
   digitalWrite(CLOCK_PIN, LOW);
   delay(CLOCK_MS);