diff --git a/crates/cpu/tests/main_memory.rs b/crates/cpu/tests/main_memory.rs
index 622d488..fa9e2d2 100644
--- a/crates/cpu/tests/main_memory.rs
+++ b/crates/cpu/tests/main_memory.rs
@@ -49,7 +49,16 @@ fn test_main_memory() {
     sim.advance_time(SimDuration::from_micros(1)); //panic here at simulation
 
     dbg!(sim.read(sim.io().read_data)); // dbg! macro just displays the value you pass to it
+    
+   
+    for n in 0u64..4u64 {
+        sim.write(sim.io().addr, n);
+		// now wait 1us because why not
+		sim.advance_time(SimDuration::from_micros(1));
+    }
+    
+    
 
 
     sim.flush_traces().unwrap(); // make sure everything is written to the output file
-}
\ No newline at end of file
+}