From 6be443fa2bb5b5668c354849b292f8b1fcb7383b Mon Sep 17 00:00:00 2001
From: Trevor Merritt <trevor.merritt@gmail.com>
Date: Sat, 12 Oct 2024 13:47:15 -0400
Subject: [PATCH] BUGFIX: Video was not being XORed but just set.

---
 gemma/src/chip8/video.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gemma/src/chip8/video.rs b/gemma/src/chip8/video.rs
index c9b5d7d..75ba19d 100644
--- a/gemma/src/chip8/video.rs
+++ b/gemma/src/chip8/video.rs
@@ -55,7 +55,7 @@ impl Chip8Video {
         } else {
             trace!("NOT TOGGLING");
         }
-        self.memory[effective_address as usize] = new_value;
+        self.memory[effective_address as usize] = new_value ^ old_value;
         self.to_owned()
     }