1 files changed, 9 insertions, 8 deletions
diff --git a/src/main.c b/src/main.c
index 9d02aa9..ae530a2 100644
--- a/src/main.c
+++ b/src/main.c
@@ -96,14 +96,15 @@ void player_move(BOARD board) {
     char move_x = EMPTY;
     char move_y = EMPTY;
 
-    printf("Enter a move...");
-
-    move = cgetc() - '0' - 1;
-    // if move is not a number then bail
-    // if (move < 1 || move > 8) { invalid! }
-    move_x = move % 3;
-    move_y = move / 3;
-    // if move not already taken
+    do {
+        printf("\nEnter a valid move...");
+
+        move = cgetc() - '0' - 1;
+        printf("%d\n", move);
+        move_x = move % 3;
+        move_y = move / 3;
+    } while (0 <= move_x <= move_y <= 2 && board[move_y][move_x] != EMPTY);
+
     board[move_y][move_x] = X;
 }