disasm.html

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8" />
    <title>z80 disasm</title>
    <script type="text/javascript" src="disasm.js"></script>
    <style type="text/css">
      #decoded {
        font-family: Monaco, Courier;
        font-size: 14px;
      }
      .L0x {
        text-decoration: underline;
        color: red;
        font-weight: bold;
      }
    </style>
  </head>
  <body>
  <p>
  Base Address: 0x<input id="BaseAddr" type="text" value="100" size="4"/>&nbsp;&nbsp;
  <input type="button" id="reload" name="reload" value="reload" style="display:none;" onclick="javascript:disasm(lastBlob);"/>
  </p>
Click the button then choose a file to see its contents displayed below.
<button onclick="openFile()">Open a file</button>
<input id="inp" type='file' style="visibility:hidden;" onchange="readFile(event)" />
<pre id="contents"></pre>
<div id="decoded"></div>
  </body>
</html>