diff --git a/Cargo.lock b/Cargo.lock
index bbfdff7..2f411fe 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,6 +2,54 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "anstream"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2ab91ebe16eb252986481c5b62f6098f3b698a45e34b5b98200cf20dd2484a44"
+dependencies = [
+ "anstyle",
+ "anstyle-parse",
+ "anstyle-query",
+ "anstyle-wincon",
+ "colorchoice",
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7079075b41f533b8c61d2a4d073c4676e1f8b249ff94a393b0595db304e0dd87"
+
+[[package]]
+name = "anstyle-parse"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "317b9a89c1868f5ea6ff1d9539a69f45dffc21ce321ac1fd1160dfa48c8e2140"
+dependencies = [
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle-query"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5ca11d4be1bab0c8bc8734a9aa7bf4ee8316d462a08c6ac5052f888fef5b494b"
+dependencies = [
+ "windows-sys",
+]
+
+[[package]]
+name = "anstyle-wincon"
+version = "3.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0699d10d2f4d628a98ee7b57b289abbc98ff3bad977cb3152709d4bf2330628"
+dependencies = [
+ "anstyle",
+ "windows-sys",
+]
+
 [[package]]
 name = "anyhow"
 version = "1.0.75"
@@ -52,10 +100,57 @@ name = "chip8"
 version = "0.1.0"
 dependencies = [
  "anyhow",
+ "clap",
  "minifb",
  "rand",
 ]
 
+[[package]]
+name = "clap"
+version = "4.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d04704f56c2cde07f43e8e2c154b43f216dc5c92fc98ada720177362f953b956"
+dependencies = [
+ "clap_builder",
+ "clap_derive",
+]
+
+[[package]]
+name = "clap_builder"
+version = "4.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0e231faeaca65ebd1ea3c737966bf858971cd38c3849107aa3ea7de90a804e45"
+dependencies = [
+ "anstream",
+ "anstyle",
+ "clap_lex",
+ "strsim",
+]
+
+[[package]]
+name = "clap_derive"
+version = "4.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0862016ff20d69b84ef8247369fabf5c008a7417002411897d40ee1f4532b873"
+dependencies = [
+ "heck",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "clap_lex"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd7cc57abe963c6d3b9d8be5b06ba7c8957a930305ca90304f24ef040aa6f961"
+
+[[package]]
+name = "colorchoice"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
+
 [[package]]
 name = "cty"
 version = "0.2.2"
@@ -204,6 +299,12 @@ dependencies = [
  "wasi",
 ]
 
+[[package]]
+name = "heck"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
+
 [[package]]
 name = "instant"
 version = "0.1.12"
@@ -513,6 +614,12 @@ version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
+[[package]]
+name = "strsim"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
+
 [[package]]
 name = "syn"
 version = "2.0.37"
@@ -543,6 +650,12 @@ version = "1.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
 
+[[package]]
+name = "utf8parse"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
+
 [[package]]
 name = "version-compare"
 version = "0.1.1"
diff --git a/Cargo.toml b/Cargo.toml
index b0cb19c..5244ef7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,5 +7,6 @@ edition = "2021"
 
 [dependencies]
 anyhow = "1.0.75"
+clap = { version = "4.4.6", features = ["derive"] }
 minifb = "0.25.0"
 rand = "0.8.5"
diff --git a/src/args.rs b/src/args.rs
new file mode 100644
index 0000000..58f9e7c
--- /dev/null
+++ b/src/args.rs
@@ -0,0 +1,17 @@
+use clap::Parser;
+
+#[derive(Parser, Debug)]
+#[command(author, version, about, long_about = None)]
+pub struct Args {
+    /// Path to a file containing a CHIP-8 program.
+    pub program: std::path::PathBuf,
+
+    #[arg(short = 'W', long, default_value_t = 640)]
+    pub window_width: usize,
+
+    #[arg(short = 'H', long, default_value_t = 320)]
+    pub window_height: usize,
+
+    #[arg(short = 's', long, default_value_t = 700)]
+    pub cpu_speed: u64,
+}
diff --git a/src/main.rs b/src/main.rs
index 8ece320..5abe10d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,19 +1,27 @@
 use anyhow::Result;
+use clap::Parser;
 use minifb::{ScaleMode, Window, WindowOptions};
 use std::io::Read;
 use std::{fs::File, path::Path};
 
+use args::Args;
 use state::State;
 
+pub mod args;
 pub mod operation;
 pub mod state;
 pub mod window;
 
 fn main() -> Result<()> {
+    let args = Args::parse();
+
     let window = Window::new(
-        "chip8",
-        640,
-        320,
+        match args.program.file_name() {
+            Some(s) => s.to_str().unwrap_or("CHIP-8"),
+            None => "CHIP-8",
+        },
+        args.window_width,
+        args.window_height,
         WindowOptions {
             resize: true,
             scale_mode: ScaleMode::AspectRatioStretch,
@@ -22,9 +30,9 @@ fn main() -> Result<()> {
     )
     .unwrap_or_else(|err| panic!("Failed to create window: {}", err));
 
-    let mut state = State::new(window, 700);
+    let mut state = State::new(window, args.cpu_speed);
 
-    let program = read_program_from_file(Path::new("./roms/games/Tic-Tac-Toe [David Winter].ch8"))?;
+    let program = read_program_from_file(args.program.as_path())?;
     state.load_program(&program);
 
     while state.display_open() {