[cln] Cleanup and fixes

src/emu/graphics.rs

@@ -35,9 +35,6 @@ impl GraphicsProcessor {
         let mut fb = self.frame_buffer.borrow_mut();
         fb.copy_from_slice(memory_slice);
     }
-    pub fn get_framebuffer(&self) -> Box<[u8; DEVICE_FRAMEBUFFER_SIZE]> {
-        self.frame_buffer.borrow().clone()
-    }
 }
 
 #[cfg(test)]

src/main.rs

@@ -25,7 +25,7 @@ fn main() -> EmulatorResult<()> {
 
     let mut cpu = Cpu::new(&mmu,&program_counter);
     for i in 0..1{
-        cpu.cycle();
+        cpu.cycle()?;
     }
 
     // let sdl_context = sdl2::init().unwrap();