diff --git a/src/chip8_neo.rs b/src/chip8_neo.rs
index a5b463b77679c61fe76024d246f88b50633580c3..72d3224a5ed5a324a70737165be8e4db81dee937 100644
--- a/src/chip8_neo.rs
+++ b/src/chip8_neo.rs
@@ -111,6 +111,8 @@ impl Chip8Neo {
                     for j in 0..8 {
                         x = (x + j) % DISPLAY_WIDTH as u8;
                         let pixel = self.ram[(self.i + offset) as usize];
+                        
+                        // @todo must switch the pixel values here
                         self.vram[(y * DISPLAY_WIDTH as u8 + x) as usize] = pixel;
                         offset += 1;
                     }