handle SNE Vx Vy instruction

1 files changed, 6 insertions, 0 deletions

diff --git a/src/chip8.rs b/src/chip8.rs
index 7881285..83139f4 100644
--- a/src/chip8.rs
+++ b/src/chip8.rs
@@ -97,6 +97,12 @@ impl Chip8 {
                 eprintln!("ADD V{}, {}", x, nn);
                 self.v[x] = self.v[x].wrapping_add(nn);
             }
+            0x9000 => {
+                eprintln!("SNE V{}, V{}", x, y);
+                if self.v[x] != self.v[y] {
+                    self.pc += 2;
+                }
+            }
             0xA000 => {
                 eprintln!("LD I, {}", nnn);
                 self.i = nnn;