Some fixes

- Add comment for the menu mutex
- Fix cart memory size

common/src/initialization.rs

@@ -73,6 +73,7 @@ pub fn init_and_run_gameboy(
     EMULATOR_STATE.running.store(true, std::sync::atomic::Ordering::Relaxed);
     while EMULATOR_STATE.running.load(std::sync::atomic::Ordering::Relaxed){
         if !EMULATOR_STATE.pause.load(std::sync::atomic::Ordering::SeqCst){
+            // Locking the state mutex in order to signal the menu that we are cycling a frame now
             let state = &EMULATOR_STATE;
             let _mutex_ctx = state.state_mutex.lock().unwrap();
             gameboy.cycle_frame();

core/src/mmu/carts/mod.rs

@@ -20,7 +20,7 @@ pub fn get_ram_size(ram_size_register:u8)->usize{
     match ram_size_register{
         0x0=>0,
         0x1=>0x800,     // Unofficial - Undefined according to official docs
-        0x2=>0x4000,
+        0x2=>0x2000,
         0x3=>0x8000,
         0x4=>0x2_0000,
         0x5=>0x1_0000,