fixed broken start-stop-rerun issue

befunge/src/main/kotlin/befide/befunge/b93/B93Funge.kt

@@ -14,6 +14,14 @@ class B93Funge : Funge {
 
     private var cars = Array(height) { Array(width) { Value(' ') } }
 
+    override var values
+        get() = cars.map { it.toList() }
+        set(data) {
+            for (y in 0 until cars.size)
+                for (x in 0 until cars[y].size)
+                    cars[y][x] = data[y][x]
+        }
+
     override fun get(vec: Vec): Value {
         return cars[vec.y][vec.x]
     }

befunge/src/main/kotlin/befide/befunge/core/Funge.kt

@@ -12,6 +12,8 @@ interface Funge {
     operator fun get(vec: Vec): Value
     operator fun set(vec: Vec, value: Value)
 
+    var values: List<List<Value>>
+
     /**
      * Get the next position to be executed starting at [vec] and stepping by [delta]
      */