diff --git a/Makefile b/Makefile
index b1ad697..ceebef9 100644
--- a/Makefile
+++ b/Makefile
@@ -15,13 +15,13 @@ debug_build:
 	meson compile -j 4 -C builddir
 
 run: build
-	./builddir/b8rk.exe 1 1 ./roms/test_opcode.ch8
+	./builddir/b8rk.exe 1 1 ./roms/tetris.ch8
 
 debug: build
 	gdb --nx -x .gdbinit --ex run --args builddir/runtests.exe
 
 debug_run: build
-	gdb --nx -x .gdbinit --batch --ex run --ex bt --ex q --args builddir/b8rk.exe 1 1 ./roms/test_opcode.ch8
+	gdb --nx -x .gdbinit --batch --ex run --ex bt --ex q --args builddir/b8rk.exe 1 1 ./roms/tetris.ch8
 
 clean:
 	meson compile --clean -C builddir
diff --git a/src/main.cpp b/src/main.cpp
index 03777d8..ecdc702 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -56,7 +56,7 @@ struct Display {
 
   void update(Chip8& vm) {
     handle_inputs(vm);
-    texture.update((uint8_t *)(vm.video));
+    texture.update((uint8_t *)(vm.video), {64, 32}, {0,0});
   }
 
   void render() {
@@ -70,7 +70,6 @@ struct Display {
   }
 };
 
-
 int main(int argc, char* argv[]) {
   if(argc != 4) {
     fmt::print("ERROR!");
@@ -78,18 +77,17 @@ int main(int argc, char* argv[]) {
   }
 
   int videoScale = std::stoi(argv[1]);
-  int cycleDelay = std::stoi(argv[2]);
+  int framerate = std::stoi(argv[2]);
   std::string romFilename{argv[3]};
 
   Chip8 chip8;
   chip8.LoadROM(romFilename);
 
   int videoPitch = sizeof(chip8.video[0]) * VIDEO_WIDTH;
-  auto lastCycleTime = std::chrono::high_resolution_clock::now();
 
   sf::RenderWindow window{sf::VideoMode({1280, 720}), "Chip8 Emulator"};
-  window.setFramerateLimit(60);
-  window.setVerticalSyncEnabled(true);
+  window.setFramerateLimit(framerate);
+  window.setVerticalSyncEnabled(false);
 
   Display display{window, {0, 0}, {1000, 1000}};
   Stats cycle_stats;
@@ -97,16 +95,9 @@ int main(int argc, char* argv[]) {
   Stats update_stats;
 
   while (display.active()) {
-    auto currentTime = std::chrono::high_resolution_clock::now();
-    float dt = std::chrono::duration<float, std::chrono::milliseconds::period>(currentTime - lastCycleTime).count();
-
-    if (dt > cycleDelay)
-    {
-        lastCycleTime = currentTime;
-        auto t = cycle_stats.time_start();
-        chip8.Cycle();
-        cycle_stats.sample_time(t);
-    }
+    auto t = cycle_stats.time_start();
+    chip8.Cycle();
+    cycle_stats.sample_time(t);
 
     auto ut = update_stats.time_start();
     display.update(chip8);