handle SNE instruction

1 files changed, 6 insertions, 0 deletions

diff --git a/src/chip8.rs b/src/chip8.rs
index 0ea6d6d..773df97 100644
--- a/src/chip8.rs
+++ b/src/chip8.rs
@@ -77,6 +77,12 @@ impl Chip8 {
                     self.pc += 2;
                 }
             }
+            0x4000 => {
+                eprintln!("SNE V{}, {}", x, nn);
+                if self.v[x] != nn {
+                    self.pc += 2;
+                }
+            }
             0x6000 => {
                 eprintln!("LD V{}, {}", x, nn);
                 self.v[x] = nn;