diff --git a/src/core/mod.rs b/src/core/mod.rs
index 4c10b16..ca351b5 100644
--- a/src/core/mod.rs
+++ b/src/core/mod.rs
@@ -18,6 +18,7 @@ pub use bus::*;
 
 pub use super::{AudioInterface, InputInterface, VideoInterface};
 
+#[cfg(rba_with_debugger)]
 use crate::debugger;
 
 use zip;
@@ -26,6 +27,7 @@ use zip;
 pub enum GBAError {
     IO(::std::io::Error),
     CpuError(arm7tdmi::CpuError),
+    #[cfg(rba_with_debugger)]
     DebuggerError(debugger::DebuggerError),
 }
 
@@ -43,6 +45,7 @@ impl From<arm7tdmi::CpuError> for GBAError {
     }
 }
 
+#[cfg(rba_with_debugger)]
 impl From<debugger::DebuggerError> for GBAError {
     fn from(err: debugger::DebuggerError) -> GBAError {
         GBAError::DebuggerError(err)
diff --git a/src/lib.rs b/src/lib.rs
index 850cebe..33e4fed 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -30,9 +30,11 @@ extern crate zip;
 #[macro_use]
 pub mod util;
 pub mod core;
-pub mod debugger;
 pub mod disass;
 
+#[cfg(rba_with_debugger)]
+pub mod debugger;
+
 pub trait VideoInterface {
     fn render(&mut self, buffer: &[u32]);
 }
@@ -54,6 +56,7 @@ pub mod prelude {
     pub use super::core::arm7tdmi;
     pub use super::core::cartridge::Cartridge;
     pub use super::core::{GBAError, GBAResult, GameBoyAdvance};
+    #[cfg(rba_with_debugger)]
     pub use super::debugger::Debugger;
     pub use super::util::read_bin_file;
     pub use super::{AudioInterface, InputInterface, VideoInterface};
diff --git a/src/plat/sdl2/main.rs b/src/plat/sdl2/main.rs
index e967651..f829e76 100644
--- a/src/plat/sdl2/main.rs
+++ b/src/plat/sdl2/main.rs
@@ -31,6 +31,7 @@ fn main() {
     let matches = clap::App::from_yaml(yaml).get_matches();
 
     let skip_bios = matches.occurrences_of("skip_bios") != 0;
+
     let debug = matches.occurrences_of("debug") != 0;
 
     let bios_path = Path::new(matches.value_of("bios").unwrap_or_default());
@@ -63,64 +64,84 @@ fn main() {
     let mut event_pump = sdl_context.event_pump().unwrap();
 
     if debug {
-        gba.cpu.set_verbose(true);
-        let mut debugger = Debugger::new(gba);
-        println!("starting debugger...");
-        debugger.repl(matches.value_of("script_file")).unwrap();
-        println!("ending debugger...");
-    } else {
-        let frame_time = time::Duration::new(0, 1_000_000_000u32 / 60);
-        loop {
-            let start_time = time::Instant::now();
+        #[cfg(rba_with_debugger)]
+        {
+            gba.cpu.set_verbose(true);
+            let mut debugger = Debugger::new(gba);
+            println!("starting debugger...");
+            debugger.repl(matches.value_of("script_file")).unwrap();
+            println!("ending debugger...");
+            return;
+        }
+        #[cfg(not(rba_with_debugger))]
+        {
+            panic!("Please compile me with cfg(rba_with_debugger)");
+        }
+    }
 
-            for event in event_pump.poll_iter() {
-                match event {
-                    Event::KeyDown {
-                        keycode: Some(Keycode::Space),
-                        ..
-                    } => {
-                        frame_limiter = false;
-                    }
-                    Event::KeyUp {
-                        keycode: Some(Keycode::Space),
-                        ..
-                    } => {
-                        frame_limiter = true;
-                    }
-                    Event::KeyDown {
-                        keycode: Some(keycode),
-                        ..
-                    } => {
-                        input.borrow_mut().on_keyboard_key_down(keycode);
-                    }
-                    Event::KeyUp {
-                        keycode: Some(keycode),
-                        ..
-                    } => {
-                        input.borrow_mut().on_keyboard_key_up(keycode);
-                    }
-                    Event::Quit { .. } => panic!("quit!"),
-                    _ => {}
+    let frame_time = time::Duration::new(0, 1_000_000_000u32 / 60);
+    loop {
+        let start_time = time::Instant::now();
+
+        for event in event_pump.poll_iter() {
+            match event {
+                Event::KeyDown {
+                    keycode: Some(Keycode::Space),
+                    ..
+                } => {
+                    frame_limiter = false;
                 }
+                Event::KeyUp {
+                    keycode: Some(Keycode::Space),
+                    ..
+                } => {
+                    frame_limiter = true;
+                }
+                #[cfg(rba_with_debugger)]
+                Event::KeyUp {
+                    keycode: Some(Keycode::F1),
+                    ..
+                } => {
+                    let mut debugger = Debugger::new(gba);
+                    println!("starting debugger...");
+                    debugger.repl(matches.value_of("script_file")).unwrap();
+                    gba = debugger.gba;
+                    println!("ending debugger...");
+                    break;
+                }
+                Event::KeyDown {
+                    keycode: Some(keycode),
+                    ..
+                } => {
+                    input.borrow_mut().on_keyboard_key_down(keycode);
+                }
+                Event::KeyUp {
+                    keycode: Some(keycode),
+                    ..
+                } => {
+                    input.borrow_mut().on_keyboard_key_up(keycode);
+                }
+                Event::Quit { .. } => panic!("quit!"),
+                _ => {}
             }
+        }
 
-            gba.frame();
+        gba.frame();
 
-            if let Some(fps) = fps_counter.tick() {
-                let title = format!("{} ({} fps)", rom_name, fps);
-                video.borrow_mut().set_window_title(&title);
-            }
+        if let Some(fps) = fps_counter.tick() {
+            let title = format!("{} ({} fps)", rom_name, fps);
+            video.borrow_mut().set_window_title(&title);
+        }
 
-            if frame_limiter {
-                let time_passed = start_time.elapsed();
-                let delay = frame_time.checked_sub(time_passed);
-                match delay {
-                    None => {}
-                    Some(delay) => {
-                        spin_sleep::sleep(delay);
-                    }
-                };
-            }
+        if frame_limiter {
+            let time_passed = start_time.elapsed();
+            let delay = frame_time.checked_sub(time_passed);
+            match delay {
+                None => {}
+                Some(delay) => {
+                    spin_sleep::sleep(delay);
+                }
+            };
         }
     }
 }