File size: 5,880 Bytes

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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>GBA.js - Mobile Fit</title>
<link rel="stylesheet" href="resources/main.css">
<style>
  /* Layout to match the reference image */
  body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    background-color: #5b4482; /* Matches the purple background in your image */
    overflow: hidden;
    display: flex;
    flex-direction: column;
  }

  /* Game Screen Container */
  #screen-container {
    width: 100%;
    padding-top: 20px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
  }

  #screen {
    width: 90vw; /* Scales to screen width */
    height: auto;
    aspect-ratio: 3 / 2;
    background: #000;
    border: 8px solid #222;
    border-radius: 10px;
    image-rendering: pixelated;
  }

  /* Menu Buttons (Pause/Reset) */
  #ingame {
    text-align: center;
    padding: 10px;
  }
  
  #ingame button {
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    padding: 5px 15px;
    margin: 0 5px;
    border-radius: 5px;
    font-size: 12px;
  }

  /* Touch Controls anchored to bottom */
  #touchControls {
    margin-top: auto; /* Pushes controls to the bottom */
    width: 100%;
    height: 40%; /* Reserved space for gamepad */
    display: none; 
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
    padding: 30px 20px;
    box-sizing: border-box;
    pointer-events: none;
  }

  #touchControls button {
    pointer-events: auto;
    background: rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.8);
    border: none;
    font-weight: bold;
  }

  /* D-Pad Style */
  .dpad-grid {
    display: grid;
    grid-template-columns: repeat(3, 50px);
    grid-template-rows: repeat(3, 50px);
    gap: 5px;
  }
  .dpad-btn { width: 50px; height: 500px; border-radius: 8px; }

  /* Action Buttons Style */
  .action-group {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 15px;
  }
  .ab-btns { display: flex; gap: 15px; }
  .round-btn { width: 70px; height: 70px; border-radius: 50%; font-size: 20px; }
  .shoulder-btns { display: flex; gap: 10px; }
  .rect-btn { width: 50px; height: 30px; border-radius: 5px; font-size: 12px; }
  .meta-btns { display: flex; gap: 10px; }
  .pill-btn { width: 60px; height: 20px; border-radius: 10px; font-size: 10px; }
</style>

<script src="js/util.js"></script>
<script src="js/core.js"></script>
<script src="js/arm.js"></script>
<script src="js/thumb.js"></script>
<script src="js/mmu.js"></script>
<script src="js/io.js"></script>
<script src="js/audio.js"></script>
<script src="js/video.js"></script>
<script src="js/video/proxy.js"></script>
<script src="js/video/software.js"></script>
<script src="js/irq.js"></script>
<script src="js/keypad.js"></script>
<script src="js/sio.js"></script>
<script src="js/savedata.js"></script>
<script src="js/gpio.js"></script>
<script src="js/gba.js"></script>
<script src="resources/xhr.js"></script>

<script>
var gba;
var runCommands = [];

try {
	gba = new GameBoyAdvance();
	gba.keypad.eatInput = true;
} catch (exception) { gba = null; }

window.onload = function() {
	if (gba && FileReader) {
		var canvas = document.getElementById('screen');
		gba.setCanvas(canvas);
		loadRom('resources/bios.bin', function(bios) { gba.setBios(bios); });

    if ('ontouchstart' in window || navigator.maxTouchPoints > 0) {
      document.getElementById('touchControls').style.display = 'flex';
    }
    setupTouchControls();
	}
}

function run(file) {
	gba.loadRomFromFile(file, function(result) {
		if (result) {
			document.getElementById('preload').style.display = 'none';
			document.getElementById('ingame').classList.remove('hidden');
			gba.runStable();
		}
	});
}

function setupTouchControls() {
  function press(c) { window.dispatchEvent(new KeyboardEvent('keydown', {keyCode: c})); }
  function release(c) { window.dispatchEvent(new KeyboardEvent('keyup', {keyCode: c})); }

  const map = {
    'up': 38, 'down': 40, 'left': 37, 'right': 39,
    'a': 88, 'b': 90, 'l': 65, 'r': 83,
    'start': 13, 'select': 16
  };

  Object.keys(map).forEach(id => {
    const el = document.getElementById(id);
    if(el) {
      el.addEventListener('touchstart', (e) => { e.preventDefault(); press(map[id]); });
      el.addEventListener('touchend', (e) => { e.preventDefault(); release(map[id]); });
    }
  });
}
</script>
</head>
<body>

<div id="screen-container">
  <canvas id="screen" width="480" height="320"></canvas>
</div>

<section id="controls">
	<div id="preload">
		<button class="bigbutton" onclick="document.getElementById('loader').click()">SELECT ROM</button>
		<input id="loader" type="file" accept=".gba" onchange="run(this.files[0]);" style="display:none">
	</div>
	<div id="ingame" class="hidden">
		<button onclick="gba.pause()">PAUSE</button>
		<button onclick="gba.reset()">RESET</button>
	</div>
</section>

<div id="touchControls">
  <div class="dpad-grid">
    <button id="up" class="dpad-btn" style="grid-column: 2; grid-row: 1;">↑</button>
    <button id="left" class="dpad-btn" style="grid-column: 1; grid-row: 2;">←</button>
    <button id="right" class="dpad-btn" style="grid-column: 3; grid-row: 2;">→</button>
    <button id="down" class="dpad-btn" style="grid-column: 2; grid-row: 3;">↓</button>
  </div>

  <div class="action-group">
    <div class="shoulder-btns">
      <button id="l" class="rect-btn">L</button>
      <button id="r" class="rect-btn">R</button>
    </div>
    <div class="ab-btns">
      <button id="b" class="round-btn">B</button>
      <button id="a" class="round-btn">A</button>
    </div>
    <div class="meta-btns">
      <button id="select" class="pill-btn">SELECT</button>
      <button id="start" class="pill-btn">START</button>
    </div>
  </div>
</div>

</body>
</html>