Update Machine.java

mutants/mutant-2/swen90006/machine/Machine.java

@@ -83,7 +83,7 @@ public class Machine
   private void do_load(int dest, int src, int offs) {
     if (regs[src] + offs > MAX_ADDR){
       /* no op */
-    }else if(regs[src] + offs < 0){
+    }else if(regs[src] - offs < 0){
       /* no op */
     }else{
       regs[dest] = memory[regs[src] + offs];