BWXbasic2026/test_break.html at main · gever/BWXbasic2026 · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
<!DOCTYPE html>
<html>
<head>
    <title>bwxBASIC Break Test</title>
</head>
<body>
    <canvas id="main-canvas" width="640" height="400" tabindex="0"></canvas>
    <input type="text" id="input-trap">
    <div id="break-btn" style="display:none;">[ESC] BREAK</div>
    <div id="help-overlay">
        <div id="help-content"></div>
        <input type="text" id="help-search">
    </div>
    <div id="js-overlay">
        <pre id="js-content"></pre>
    </div>

    <script type="module">
        import { CONFIG } from './js/config.js';
        import { SYS } from './js/system.js';
        import { IO } from './js/io.js';
        import { SCREEN } from './js/screen.js';
        import { GRAPHICS } from './js/graphics.js';
        import { ENGINE } from './js/engine.js';
        import { DEMOS } from './js/demos.js';

        async function init() {
            const canvas = document.getElementById('main-canvas');
            const ctx = canvas.getContext('2d', { willReadFrequently: true });
            const trap = document.getElementById('input-trap');

            GRAPHICS.init(ctx);
            SCREEN.init(canvas, ctx);
            IO.init(trap);

            // Mock program
            SYS.program = [
                { line: 10, src: '10 PRINT "Start"' },
                { line: null, src: 'PRINT "Waiting"' },
                { line: null, src: 'DELAY 5' },
                { line: null, src: 'GOTO 10' }
            ];

            console.log("Starting Engine...");

            // Tricking engine into thinking break button was pressed
            setTimeout(() => {
                console.log("Triggering Break...");
                SYS.break = true;
            }, 100);

            await ENGINE.run();

            console.log("Done.");

            // Re-run WHERE
            IO.handleCommand('WHERE');

            window.testDone = true;
        }

        init();
    </script>
</body>
</html>