diff --git a/src/device/buff.rs b/src/device/buff.rs
index 2233be2..2573b2b 100644
--- a/src/device/buff.rs
+++ b/src/device/buff.rs
@@ -21,16 +21,9 @@ impl Device for BuffDevice {
         let slot = (port & 0xF) as usize;
         Ok(self.buffer[slot])
     }
-    fn dei2(&mut self, _vm: &mut Uxn, port: u8) -> Result<u16, DeviceError> {
-        let slot = (port & 0xF) as usize;
-        Ok(0)
-    }
     fn deo1(&mut self, _vm: &mut Uxn, port: u8, val: u8) -> Result<(), DeviceError> {
         let slot = (port & 0xF) as usize;
-        Ok(())
-    }
-    fn deo2(&mut self, _vm: &mut Uxn, port: u8, val: u16) -> Result<(), DeviceError> {
-        let slot = (port & 0xF) as usize;
+        self.buffer[slot as usize] = val;
         Ok(())
     }
 }