diff --git a/README.md b/README.md
new file mode 100644
index 0000000..045eb24
--- /dev/null
+++ b/README.md
@@ -0,0 +1,10 @@
+Get started:
+```
+# Fetch/update submodules:
+git submodule update --init --recursive
+
+# To set up a build in directory `build`:
+cmake -B build
+# To build in directory `build`:
+cmake --build build
+```
diff --git a/main/main.cpp b/main/main.cpp
index f97d6ae..73cd838 100644
--- a/main/main.cpp
+++ b/main/main.cpp
@@ -26,7 +26,7 @@
 int frametime = 1000 / FPS;
 
 std::unordered_map<lua_State*, InterpreterConfig*> statemap;
-std::atomic<std::uint64_t> framecounter = 0;
+std::atomic<std::uint64_t> framecounter = {0};
 
 ws2811_t ledstring =
 {
@@ -211,10 +211,8 @@ int main(int argc, char** argv)
     .length = 10,
     .enabled = true
   };
-  std::thread t = spawn_lua_tread("print(\"hi\")\nled(0, 0, 0, 0)\ndelay(0)\nled(0, 0, 0, 0)\nprint(\"hi\")", config);
+  std::thread t = spawn_lua_tread("while true do\nprint(\"begin\")\nled(1, 0, 0, 0)\ndelay(1000)\nled(1, 0, 255, 0)\ndelay(1000)\nprint(\"done\")\nend", config);
 
-
-  t.join();
   httplib::Server svr;
 
   svr.Get("/hi", [](const httplib::Request &, httplib::Response &res) {