diff --git a/src/assembler.rs b/src/assembler.rs
index 937e763..5ea4046 100644
--- a/src/assembler.rs
+++ b/src/assembler.rs
@@ -38,11 +38,11 @@ impl<T: Clone + ToString + FromStr> Assembler<T> {
             .unwrap()
             .split(source) // split by regex
             .filter(|s: &&str| !s.is_empty()) // remove empty entries
-            .map(|s| match map.get(&s.to_lowercase()) {
+            .map(|s: &str| match map.get(&s.to_lowercase()) {
                 Some(opcode) => opcode.to_string(),
                 None => s.to_string(),
             }) // converts opcode strings to numbers
-            .filter_map(|s| {
+            .filter_map(|s: String| {
                 if s.starts_with("0x") {
                     // converts hexadecimals to decimal, then parses them
                     u128::from_str_radix(&s[2..], 16)
diff --git a/src/main.rs b/src/main.rs
index 670410e..f0eec72 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -17,7 +17,6 @@ fn main() {
 
     let final_result: Vec<u8> = assembler.assemble(&mut "nop 0x00 0x22".to_string());
     dbg!(final_result);
-    // let mut instance: cpu::ExampleCPU = cpu::ExampleCPU::create_instance(true, [0; 256]);
-    // change the instructions here
-    // instance.start_emulation();
+    let mut instance: cpu::ExampleCPU = cpu::ExampleCPU::create(false, [0; 256]);
+    instance.start();
 }