update README

README.md

@@ -1,17 +1,19 @@
 # tttengine
 tic tac toe game engine. This work as a js library.
 
-# Jobs
-- maintain the game logic, like this is A's turn, then B's turn.
-- check player's move is legitimate
-- web appearance callback
-
 # Functions
-chooseRole(v)
+## board.chooseRole(v)
+Use this function to define which player do you want to choose. You can choose 'x' or 'o'.
+
+
+## board.move(i)
+Use this function to define the next move you want to take. 'i' should between 1~9. Although engine will not allow you cover ocuppied shape, try not to be dummy.
 
-move(i)
+## board.getStatus()
+Use this function to get the status of the board. It will return an array which be like ["o", "o", "-", "-", "-", "x", "x", "-", "-"].
 
-getWinner()
+## board.isEnd()
+Use this function to check if the game is end.
 
 # Thanks
 Tic Tac Toe front-end framework by the courtesy of Ricky.

index.html

@@ -28,6 +28,7 @@
 
 function yourAI() {
 	//***** start your AI code inside ******//
+	console.log(board.getStatus());
 	// Demo right now
 	while(board.currPlayer == board.selectedPlayer)
 	{