diff --git a/src/input.rs b/src/input.rs
new file mode 100644
index 0000000..fba3284
--- /dev/null
+++ b/src/input.rs
@@ -0,0 +1 @@
+// TODO: grab keyboard keys and interrupt emulation cycle
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
index ca02681..d09667e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -6,6 +6,7 @@ mod display;
 mod emulator;
 mod instruction;
 mod stack;
+mod input;
 
 fn main() -> Result<(), anyhow::Error> {
     env_logger::init();