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javascript_writing_Chip8
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1.创建Chip8对象.html

<!DOCTYPE html>
<html>

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>创建Chip8对象</title>
</head>

<body>
    我们假设CHIP8只有:**处理器、键盘、显示屏与扬声器** 那么代码为:
    <script>
        (function () {
            function CPU() {/*...*/ };
            function Screen() {/*...*/ };
            function Keyboard() {/*...*/ };
            function Speaker(){/*...*/ };
            window.CHIP8 = function () {
                var c8 = new CPU();
                c8.screen = new Screen();
                c8.speaker = new Speaker();
                c8.input = new Keyboard();
                return c8;
            };
        })();
    </script>
</body>

</html>