checkpoint

[slipway.git] / src / edu / berkeley / slipway / SerialBoard.java

diff --git a/src/edu/berkeley/slipway/SerialBoard.java b/src/edu/berkeley/slipway/SerialBoard.java
index 0c88da4..3a99c03 100644 (file)
--- a/src/edu/berkeley/slipway/SerialBoard.java
+++ b/src/edu/berkeley/slipway/SerialBoard.java
@@ -6,7 +6,7 @@ import java.io.*;
 import java.util.*;
 import gnu.io.*;
 
-public class SerialBoard extends Board {
+public class SerialBoard implements Board {
 
     private final SerialPort sp;
     private final DataInputStream in;