diff --git a/src/emulator/instruction.rs b/src/emulator/instruction.rs
new file mode 100644
index 0000000..a04a3de
--- /dev/null
+++ b/src/emulator/instruction.rs
@@ -0,0 +1,22 @@
+use std::fmt::Display;
+
+#[derive(Debug, Clone)]
+pub enum Instruction {
+    HLT,
+    REG(u8, usize),
+    ADD(u8, u8, u8),
+}
+
+impl Display for Instruction {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(
+            f,
+            "{}",
+            match self {
+                Instruction::HLT => format!("HLT"),
+                Instruction::REG(a, b) => format!("REG {a}, {b}"),
+                Instruction::ADD(a, b, c) => format!("ADD {a}, {b}, {c}"),
+            }
+        )
+    }
+}
diff --git a/src/emulator/mod.rs b/src/emulator/mod.rs
index 3ca308d..2cfecb8 100644
--- a/src/emulator/mod.rs
+++ b/src/emulator/mod.rs
@@ -1,16 +1,11 @@
+pub mod instruction;
+pub mod registry;
+
 use std::fmt::Display;
 
 use osui::state::{DependencyHandler, State};
 
-#[derive(Debug, Clone)]
-pub struct Registry(pub State<[usize; 8]>);
-
-#[derive(Debug, Clone)]
-pub enum Instruction {
-    HLT,
-    REG(u8, usize),
-    ADD(u8, u8, u8),
-}
+use crate::emulator::{instruction::Instruction, registry::Registry};
 
 pub struct Emulator {
     pub pc: State<usize>,
@@ -22,7 +17,7 @@ pub struct Emulator {
 impl Emulator {
     pub fn run(&self) {
         loop {
-            std::thread::sleep(std::time::Duration::from_millis(300));
+            std::thread::sleep(std::time::Duration::from_millis(100));
             let mut pc = self.pc.get();
             if let Some(inst) = self.instructions.get(**pc) {
                 **self.inst.get() = inst.clone();
@@ -85,17 +80,3 @@ impl DependencyHandler for Registry {
         self.0.check()
     }
 }
-
-impl Display for Instruction {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        write!(
-            f,
-            "{}",
-            match self {
-                Instruction::HLT => format!("HLT"),
-                Instruction::REG(a, b) => format!("REG {a}, {b}"),
-                Instruction::ADD(a, b, c) => format!("ADD {a}, {b}, {c}"),
-            }
-        )
-    }
-}
diff --git a/src/emulator/registry.rs b/src/emulator/registry.rs
new file mode 100644
index 0000000..d10246a
--- /dev/null
+++ b/src/emulator/registry.rs
@@ -0,0 +1,4 @@
+use osui::state::State;
+
+#[derive(Debug, Clone)]
+pub struct Registry(pub State<[usize; 8]>);
diff --git a/src/main.rs b/src/main.rs
index 4130ae1..917a131 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -6,7 +6,7 @@ use std::sync::Arc;
 
 use osui::prelude::*;
 
-use crate::emulator::{Instruction, Registry};
+use crate::emulator::{instruction::Instruction, registry::Registry};
 
 fn main() {
     let screen = Screen::new();
@@ -21,7 +21,7 @@ fn main() {
     screen.run().unwrap();
 }
 
-fn app(_screen: &Arc<Screen>, instructions: Vec<emulator::Instruction>) -> Rsx {
+fn app(_screen: &Arc<Screen>, instructions: Vec<Instruction>) -> Rsx {
     let pc = use_state::<usize>(0);
     let inst = use_state::<Instruction>(Instruction::HLT);
     let registers = Registry(use_state([0; 8]));