diff --git a/display.js b/display.js
index b01d63c..09da52e 100644
--- a/display.js
+++ b/display.js
@@ -1,14 +1,9 @@
 const { START_OF_DISPLAY_MEM } = require('./machine.config');
+const { num2hex } = require('./logging.js');
 
 exports.printDisplay = (mem) => {
   const disp = START_OF_DISPLAY_MEM;
   for (let i = disp; i < disp + 16; i += 4) {
-    console.log(`${pad(mem[i])} ${pad(mem[i+1])} ${pad(mem[i+2])} ${pad(mem[i+3])}`);
+    console.log(`${num2hex(mem[i])} ${num2hex(mem[i+1])} ${num2hex(mem[i+2])} ${num2hex(mem[i+3])}`);
   }
-}
-
-const num2hex = (num) => num.toString(16).toUpperCase().padStart(2, "0");
-
-function pad(n) {
-  return n.toString().padStart(3, "0");
-};
\ No newline at end of file
+}
\ No newline at end of file