Little optimization to check_interrupts

src/cpu.rs

@@ -921,7 +921,7 @@ impl CPU {
         if interrupts != 0 {
             self.is_halted = false;
         }
-        if !self.ime {
+        if !self.ime || interrupts == 0 {
             return None;
         }
 

src/render.rs

@@ -27,7 +27,7 @@ pub fn create_pixels(width: u32, height: u32, window: &Window) -> Pixels {
             },
             ..wgpu::DeviceDescriptor::default()
         })
-        .enable_vsync(true)
+        .enable_vsync(false)
         .build()
         .unwrap()
 }