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<!doctype html>
<html lang="en">
<head>
<script async src="https://www.googletagmanager.com/gtag/js?id=G-Z9ZN3S7XRE"></script>
<script>
window.dataLayer = window.dataLayer || [];
function gtag() {
dataLayer.push(arguments);
}
gtag("js", new Date());
gtag("config", "G-Z9ZN3S7XRE");
</script>
<meta charset="utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<meta name="author" content="Matt Godbolt" />
<meta name="description" content="A Javascript BBC Micro emulator" />
<meta
http-equiv="Content-Security-Policy"
content="script-src 'self' 'unsafe-inline' 'unsafe-eval' *.google-analytics.com *.google.com;"
/>
<title>jsbeeb - Javascript BBC Micro emulator</title>
<style>
/* Unstyled, the document is a wall of modal text; jsbeeb.css reveals the body. */
html {
color-scheme: dark;
}
/* The colour goes here, not on html: #screen is at z-index -1, so it only stays visible
while body's background propagates to the canvas instead of painting a box over it. */
body {
background: #222;
visibility: hidden;
}
</style>
<link rel="shortcut icon" href="/favicon.ico" />
<script type="module" src="/src/main.js"></script>
</head>
<body>
<nav id="header-bar" class="navbar navbar-dark bg-dark navbar-expand-lg not-electron" role="navigation">
<div class="container-fluid">
<a class="navbar-brand" href="https://bbc.xania.org/" target="_top">jsbeeb</a>
<button
class="navbar-toggler"
type="button"
data-bs-toggle="collapse"
data-bs-target="#navbarSupportedContent"
aria-controls="navbarSupportedContent"
aria-expanded="false"
aria-label="Toggle navigation"
>
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarSupportedContent">
<ul class="navbar-nav nav mb-2 mb-lg-0">
<li class="nav-item">
<a href="#configuration" class="nav-link" data-bs-toggle="modal" data-bs-target="#configuration">
<span class="bbc-model">BBC B</span></a
>
</li>
<li class="nav-item dropdown embed-hide">
<a
href="#"
class="nav-link dropdown-toggle"
id="navbarDiscs"
role="button"
data-bs-toggle="dropdown"
aria-expanded="false"
>Discs</a
>
<ul class="dropdown-menu dropdown-menu-dark" aria-labelledby="navbarDiscs">
<li>
<a href="#sth" class="dropdown-item sth" data-id="discs" data-bs-toggle="modal" data-bs-target="#sth"
>From STH archive</a
>
</li>
<li>
<a href="#hfe" class="dropdown-item" data-bs-toggle="modal" data-bs-target="#hfe">From HFE archive</a>
</li>
<li>
<a href="#discs" class="dropdown-item" data-bs-toggle="modal" data-bs-target="#discs">
From examples or local</a
>
</li>
<li class="if-drive-available">
<a href="#google-drive" class="dropdown-item" id="open-drive-link">From Google Drive</a>
</li>
<hr />
<div id="fsmenuitem">
<li>
<a href="#econetfs" class="dropdown-item" data-bs-toggle="modal" data-bs-target="#econetfs">
Econet File Server</a
>
</li>
<hr />
</div>
<li>
<a href="#download-drive" class="dropdown-item" id="download-drive-link"
>Download drive 0 image as SSD/DSD</a
>
</li>
<li>
<a href="#download-drive-hfe" class="dropdown-item" id="download-drive-hfe-link"
>Download drive 0 image as HFE</a
>
</li>
<li><hr class="dropdown-divider" /></li>
<li class="dropdown-item-text drive-tracks" data-drive="0">
<span class="drive-tracks-label">Drive 0 reads</span>
<div class="btn-group btn-group-sm" role="group" aria-label="Drive 0 track pitch">
<button type="button" class="btn btn-outline-light" data-tracks="40">40</button>
<button type="button" class="btn btn-outline-light" data-tracks="80">80</button>
</div>
<span class="drive-tracks-label">track discs</span>
</li>
<li class="dropdown-item-text drive-tracks" data-drive="1">
<span class="drive-tracks-label">Drive 1 reads</span>
<div class="btn-group btn-group-sm" role="group" aria-label="Drive 1 track pitch">
<button type="button" class="btn btn-outline-light" data-tracks="40">40</button>
<button type="button" class="btn btn-outline-light" data-tracks="80">80</button>
</div>
<span class="drive-tracks-label">track discs</span>
</li>
<li><hr class="dropdown-divider" /></li>
<li><a href="#" id="disc-visualiser-open" class="dropdown-item">View disc surface</a></li>
</ul>
</li>
<li class="nav-item dropdown embed-hide">
<a
href="#"
class="nav-link dropdown-toggle"
id="navbarCassettes"
role="button"
data-bs-toggle="dropdown"
aria-expanded="false"
>Cassettes</a
>
<ul class="dropdown-menu dropdown-menu-dark" id="tape-menu" aria-labelledby="navbarCassettes">
<li>
<a href="#sth" class="dropdown-item sth" data-bs-toggle="modal" data-id="tapes" data-bs-target="#sth"
>From STH archive</a
>
</li>
<li><a data-id="rewind" class="dropdown-item">Rewind cassette</a></li>
<li>
<a href="#discs" class="dropdown-item" data-bs-toggle="modal" data-bs-target="#tapes">
From local file
</a>
</li>
</ul>
</li>
<li class="nav-item dropdown embed-hide">
<a
href="#"
class="nav-link dropdown-toggle"
id="navbarReset"
role="button"
data-bs-toggle="dropdown"
aria-expanded="false"
>Reset</a
>
<ul class="dropdown-menu dropdown-menu-dark" aria-labelledby="navbarReset">
<li><a href="#" id="soft-reset" class="dropdown-item">Soft reset</a></li>
<li><a href="#" id="hard-reset" class="dropdown-item">Hard reset</a></li>
</ul>
</li>
<li class="nav-item dropdown embed-hide">
<a
href="#"
class="nav-link dropdown-toggle"
id="navbarState"
role="button"
data-bs-toggle="dropdown"
aria-expanded="false"
>State</a
>
<ul class="dropdown-menu dropdown-menu-dark" aria-labelledby="navbarState">
<li><a href="#" id="save-state" class="dropdown-item">Save state</a></li>
<li>
<label class="dropdown-item" style="cursor: pointer"
>Load state<input
type="file"
id="load-state"
accept=".json,.json.gz,.gz,.snp,.uef"
style="display: none"
/></label>
</li>
<li><hr class="dropdown-divider" /></li>
<li><a href="#" id="rewind-open" class="dropdown-item">Rewind</a></li>
</ul>
</li>
<li class="nav-item dropdown embed-hide">
<a
href="#"
class="nav-link dropdown-toggle"
id="navbarMore"
role="button"
data-bs-toggle="dropdown"
aria-expanded="false"
>More</a
>
<ul class="dropdown-menu dropdown-menu-dark" aria-labelledby="navbarMore">
<li><a href="#" id="fs" class="dropdown-item">Fullscreen</a></li>
<li><a href="#help" class="dropdown-item" data-bs-toggle="modal" data-bs-target="#help">Help</a></li>
<li>
<a href="#pp-tos" class="dropdown-item" data-bs-toggle="modal" data-bs-target="#pp-tos"
>Privacy Policy & ToS</a
>
</li>
<li><a href="mailto:matt@godbolt.org" class="dropdown-item">Contact the Author</a></li>
<li>
<a href="http://xania.org/MattGodbolt" class="dropdown-item" rel="author" target="_blank">
About the Author</a
>
</li>
<li>
<a href="#about" class="dropdown-item" data-bs-toggle="modal" data-bs-target="#info" id="about">
About jsbeeb</a
>
</li>
</ul>
</li>
</ul>
<span class="navbar-text m-auto">
Edit BBC BASIC interactively with Owlet at
<a href="https://bbcmic.ro/" target="_blank">bbcmic.ro</a>!
</span>
<form class="form-inline">
<button
id="debug-play"
type="button"
class="btn btn-sm"
title="Start running the emulator (if not running already); hiding the debugger"
>
⏵
</button>
<button
id="debug-pause"
type="button"
class="btn btn-sm"
title="Pause the running emulator and show the debugger"
>
⏸
</button>
</form>
<form class="d-flex">
<input
id="paste-text"
class="form-control me-2"
type="text"
maxlength="0"
placeholder="Paste text or drop files here..."
aria-label="Search"
/>
</form>
</div>
</div>
</nav>
<div id="audio-warning" class="alert alert-warning initially-hidden">
Your browser has suspended audio -- mouse click or key press for sound.
</div>
<div>
<div id="outer">
<div id="cub-monitor">
<!-- Image is dynamically swapped by config.js based on filter.displayImage -->
<img
id="cub-monitor-pic"
width="896"
height="648"
src="images/cub-monitor.png"
alt="A fake CUB computer monitor"
/>
<div class="sidebar left"><img src="images/placeholder.png" alt="" /></div>
<canvas id="screen" width="896" height="600"></canvas>
<div class="sidebar right"><img src="images/placeholder.png" alt="" /></div>
<div class="sidebar bottom"><img src="images/placeholder.png" alt="" /></div>
</div>
</div>
<canvas id="audio-stats" width="400" height="100"></canvas>
<div id="rewind-panel" hidden>
<div class="rewind-header">
<button id="rewind-close" class="btn btn-sm btn-outline-light" title="Close (Escape)">Close</button>
<span class="rewind-title">Rewind</span>
</div>
<div class="rewind-filmstrip" id="rewind-filmstrip"></div>
</div>
<div id="disc-panel" hidden>
<div class="disc-header">
<span class="disc-title">Disc surface</span>
<span id="disc-name"></span>
<button id="disc-close" class="btn btn-sm btn-outline-light">Close</button>
</div>
<div class="disc-controls">
<div class="btn-group btn-group-sm" role="group" aria-label="Drive">
<button type="button" class="btn btn-outline-light" data-drive="0">Drive 0</button>
<button type="button" class="btn btn-outline-light" data-drive="1">Drive 1</button>
</div>
<div class="btn-group btn-group-sm" role="group" aria-label="Side" id="disc-side-controls" hidden>
<button type="button" class="btn btn-outline-light" data-side="0">Side 0</button>
<button type="button" class="btn btn-outline-light" data-side="1">Side 1</button>
</div>
<div class="btn-group btn-group-sm" role="group" aria-label="View">
<button type="button" class="btn btn-outline-light" data-view="density">Pulses</button>
<button type="button" class="btn btn-outline-light" data-view="format">Format</button>
</div>
</div>
<div class="disc-stack">
<canvas id="disc-surface"></canvas>
<canvas id="disc-overlay"></canvas>
</div>
<div class="disc-legend" id="disc-legend"></div>
<div class="disc-status" id="disc-status"></div>
<div class="disc-status" id="disc-hover-where"></div>
<div class="disc-status" id="disc-hover-what"></div>
</div>
<div id="leds">
<table>
<thead>
<tr>
<th>cassette<br />motor</th>
<th id="tape-control-header" class="initially-hidden">tape<br />control</th>
<th class="bbc-only">caps<br />lock</th>
<th class="bbc-only">shift<br />lock</th>
<th class="bbc-only">drive<br />0/2</th>
<th class="bbc-only">drive<br />1/3</th>
<th class="bbc-only">econet<br />tx/rx</th>
<th id="virtual-mhz-header">virtual<br />MHz</th>
</tr>
</thead>
<tbody>
<tr>
<td>
<div class="red led" id="motorlight"></div>
</td>
<td id="tape-control-cell" class="initially-hidden">
<button id="tape-play-stop" class="tape-btn" title="Play cassette" aria-label="Play cassette">
▶
</button>
</td>
<td class="bbc-only">
<div class="red led" id="capslight"></div>
</td>
<td class="bbc-only">
<div class="red led" id="shiftlight"></div>
</td>
<td class="bbc-only">
<div class="yellow led" id="drive0"></div>
</td>
<td class="bbc-only">
<div class="yellow led" id="drive1"></div>
</td>
<td class="bbc-only">
<div class="yellow led" id="networklight"></div>
</td>
<td>
<div class="virtualMHz"></div>
</td>
</tr>
</tbody>
</table>
</div>
<div id="crtc_debug" class="initially-hidden">
<div class="crtc_state">
<h6 class="dbg">6845 state</h6>
<table>
<tbody>
<tr class="template">
<th><span class="register"></span>:</th>
<td class="value"></td>
</tr>
</tbody>
</table>
</div>
<div class="crtc_regs">
<h6 class="dbg">6845 regs</h6>
<table>
<tbody>
<tr class="template">
<th><span class="register"></span>:</th>
<td class="value"></td>
</tr>
</tbody>
</table>
</div>
</div>
<div id="debug" class="initially-hidden">
<div class="debug-container">
<form id="goto-mem-addr-form" role="form">
<div class="input-group input-group-sm">
<span accesskey="m" class="input-group-text" id="mem_addr_text">
<span class="accesskey">M</span>em addr:
</span>
<input
type="text"
class="form-control form-control-sm goto-addr"
placeholder="$0000"
aria-label="Memory address"
aria-describedby="mem_addr_text"
/>
</div>
</form>
<div id="memory">
<div class="template">
<span class="dis_addr">0000</span
><span class="mem_bytes"
><span>11</span> <span>22</span> <span>33</span> <span>44</span> <span>55</span> <span>66</span>
<span>77</span> <span>88</span></span
><span class="mem_asc"
><span>A</span><span>A</span><span>A</span><span>A</span><span>A</span><span>A</span><span>A</span
><span>A</span></span
>
</div>
</div>
</div>
<div class="debug-container">
<form role="form" id="goto-dis-addr-form">
<div class="input-group input-group-sm">
<span accesskey="a" class="input-group-text" id="dis_addr_text"
><span class="accesskey">A</span>ddr:</span
>
<input
type="text"
class="form-control form-control-sm goto-addr"
placeholder="$0000"
aria-label="Disassembly address"
aria-describedby="dis_addr_text"
/>
</div>
</form>
<div id="disassembly">
<div class="template dis_elem">
<span class="bp_gutter"></span><span class="dis_addr">0000</span><span class="instr_bytes">11 22 33</span
><span class="instr_asc">ABC</span><span class="disassembly">LDA (&70), X</span>
</div>
</div>
</div>
<div id="registers">
<div>
<span class="flag" id="cpu6502_flag_c">C</span><span class="flag" id="cpu6502_flag_z">Z</span
><span class="flag" id="cpu6502_flag_i">I</span><span class="flag" id="cpu6502_flag_d">D</span
><span class="flag" id="cpu6502_flag_v">V</span><span class="flag" id="cpu6502_flag_n">N</span>
</div>
<div><span class="register">A</span>: <span id="cpu6502_a">00</span></div>
<div><span class="register">X</span>: <span id="cpu6502_x">00</span></div>
<div><span class="register">Y</span>: <span id="cpu6502_y">00</span></div>
<div><span class="register">S</span>: <span id="cpu6502_s">00</span></div>
<div><span class="register">PC</span>: <span id="cpu6502_pc">0000</span></div>
</div>
</div>
<div id="hardware_debug" class="initially-hidden">
<div class="via_regs" id="sysvia">
<h6 class="dbg">System VIA</h6>
<table>
<tbody>
<tr class="template">
<th><span class="register"></span>:</th>
<td class="value"></td>
</tr>
</tbody>
</table>
</div>
<div class="via_regs" id="uservia">
<h6 class="dbg">User VIA</h6>
<table>
<tbody>
<tr class="template">
<th><span class="register"></span>:</th>
<td class="value"></td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
<div class="modal fade" id="info" tabindex="-1" aria-labelledby="infoModalLabel" aria-hidden="true">
<div class="modal-dialog modal-lg">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="infoModalLabel">About jsbeeb</h5>
<button type="button" class="btn-close btn-close-white" data-bs-dismiss="modal" aria-label="Close"></button>
</div>
<div class="modal-body">
<div>
By <a href="https://xania.org/">Matt Godbolt</a>, based on Sarah Walker's
<a href="http://b-em.bbcmicro.com/">b-em</a>: huge thanks to her for open sourcing it, and to Richard
Talbot-Watkins for his help and support. The Acorn Atom emulation is
<a href="https://github.com/CommanderCoder">Andrew Hague</a>'s. The cycle-accurate emulation owes a great
deal to the fantastic <a href="http://www.visual6502.org/">Visual 6502</a> project, who are well worth a
donation. The disc loaded by default is the amazing Elite, made available by
<a href="http://www.iancgbell.clara.net/elite/bbc/">Ian Bell</a>.
</div>
<div>
<a href="https://github.com/mattgodbolt/jsbeeb">Source on GitHub</a>. For more on the BBC, and people to
talk to about it, try the <a href="http://www.stardot.org.uk/forums/">StarDot forums</a>. Works best in
Chrome or Firefox.
</div>
</div>
<div class="modal-footer">
<span class="text-muted me-auto" id="jsbeeb-version"></span>
<button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
</div>
</div>
</div>
</div>
<div class="modal fade" id="pp-tos" tabindex="-1" aria-labelledby="ppModalLabel" aria-hidden="true">
<div class="modal-dialog modal-lg">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="ppModalLabel">Privacy Policy & Terms of Service</h5>
<button type="button" class="btn-close btn-close-white" data-bs-dismiss="modal" aria-label="Close"></button>
</div>
<div class="modal-body">
<ul>
<li>
jsbeeb uses cookies for simple analytics, to track usage and improve the site. There are no server logs
and nothing is kept on the jsbeeb servers; this is a static page served from an AWS bucket.
</li>
<li>
No personal information is kept. Logging in to Google Drive stores only what is needed to reach your own
discs, and that is never shared with the jsbeeb developers.
</li>
<li>
Use of jsbeeb is at your own risk, for whatever lawful purpose you wish. Reasonable efforts are used to
keep the site up to date and working.
</li>
</ul>
<div>
Would you rather run your own copy? The source is on
<a href="https://github.com/mattgodbolt/jsbeeb">GitHub</a>.
</div>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
</div>
</div>
</div>
</div>
<div class="modal fade" id="help" tabindex="-1" aria-labelledby="helpModalLabel" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="helpModalLabel">Help</h5>
<button type="button" class="btn-close btn-close-white" data-bs-dismiss="modal" aria-label="Close"></button>
</div>
<div class="modal-body">
<div>
An emulator for the <a href="https://en.wikipedia.org/wiki/Bbc_micro">BBC Micro</a>, a popular home
computer in 1980s Britain. It emulates the BBC B and the Master, and also the
<a href="https://en.wikipedia.org/wiki/Acorn_Atom">Acorn Atom</a> that came before them. Choose which by
clicking the model name at the top left.
</div>
<div>
The default disc is Elite, a pioneering 3D space trading game. Discs are booted by pressing
<span class="key">SHIFT</span> and <span class="key">BREAK</span>. The BBC's keyboard differs from a
modern one, mostly in where the symbols are; the layout here currently assumes a US keyboard.
</div>
<div>
<h5>Handy key mappings</h5>
<table class="keymap">
<tr>
<th>BBC</th>
<th>PC</th>
<th>macOS</th>
</tr>
<tr>
<td><span class="function key">F0</span></td>
<td><span class="key">F10</span></td>
<td><span class="key">F10</span></td>
</tr>
<tr>
<td><span class="key">BREAK</span></td>
<td><span class="key">F12</span></td>
<td><span class="key">Right ⌘</span> + <span class="key">F12</span></td>
</tr>
<tr>
<td><span class="key">COPY</span></td>
<td><span class="key">End</span></td>
<td><span class="key">Right ⌘</span> + <span class="key">F11</span></td>
</tr>
<tr>
<td>
<div class="dbl key">*<br />:</div>
</td>
<td>
<div class="dbl key">"<br />'</div>
</td>
<td>
<div class="dbl key">"<br />'</div>
</td>
</tr>
<tr>
<td>
<div class="dbl key">CAPS<br />LOCK</div>
</td>
<td class="key">CAPSLOCK</td>
<td>See notes</td>
</tr>
<tr>
<td>Debug</td>
<td><span class="key">Ctrl-Home</span></td>
<td><span class="key">Ctrl-Home</span></td>
</tr>
</table>
<div>
Caps lock is unreliable on macOS: browsers never report it being released, so games that use it to move
or fire don't work. Any key can be
<a href="https://github.com/mattgodbolt/jsbeeb#remapping-keys">remapped from the URL</a>.
</div>
</div>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
</div>
</div>
</div>
</div>
<div class="modal fade" id="discs" tabindex="-1" aria-labelledby="discModalLabel" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="discModalLabel">Load disc image</h5>
<button type="button" class="btn-close btn-close-white" data-bs-dismiss="modal" aria-label="Close"></button>
</div>
<div class="modal-body">
<ul id="disc-list">
<li class="template">
<a href="#"><span class="name"></span></a> - <span class="description"></span>
</li>
</ul>
To load a custom disc image, get an SSD, DSD, HFE, ADF, ADM or ADL file and load it below. Search the web,
or check somewhere like
<a href="http://www.bbcmicrogames.com/GettingStarted.html">here</a> for these. Be aware the images are
usually stored in a ZIP file, and you'll need to unzip first.
<div class="disc">
<label
>Load local SSD, DSD, HFE, ADF, ADM or ADL file:
<input type="file" id="disc_load" accept=".ssd,.dsd,.adf,.adm,.adl,.hfe,application/binary" />
</label>
</div>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
</div>
</div>
</div>
</div>
<div class="modal fade" id="econetfs" tabindex="-1" aria-labelledby="econetModalLabel" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="econetModalLabel">Econet File Server</h5>
<button type="button" class="btn-close btn-close-white" data-bs-dismiss="modal" aria-label="Close"></button>
</div>
<div class="modal-body">
<label>
Download server drive image (10mb scsi.dat):<br />
<button type="button" class="btn btn-secondary" data-bs-dismiss="modal" id="download-filestore-link">
Download image
</button>
</label>
<div class="disc">
<label
>Upload a local drive image and restart the file server:
<input class="form-control" type="file" id="fs_load" accept=".dat,application/binary" />
</label>
</div>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
</div>
</div>
</div>
</div>
<div class="modal fade" id="tapes" tabindex="-1" aria-labelledby="tapeModalLabel" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="tapeModalLabel">Load cassette image</h5>
<button type="button" class="btn-close btn-close-white" data-bs-dismiss="modal" aria-label="Close"></button>
</div>
<div class="modal-body">
To load a custom cassette image, get a UEF file and load it below.
<div class="tape">
<label
>Load local UEF file:
<input type="file" id="tape_load" accept=".uef,.zip,application/binary" />
</label>
</div>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
</div>
</div>
</div>
</div>
<div class="modal fade" id="google-drive" tabindex="-1" aria-labelledby="google-driveModalLabel" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="google-driveModalLabel">
Load or create disc from your
<a href="https://drive.google.com/">Google Drive</a>
account
</h5>
<button type="button" class="btn-close btn-close-white" data-bs-dismiss="modal" aria-label="Close"></button>
</div>
<div class="modal-body">
<div class="loading">Loading...</div>
<div>
<ul class="list">
<li class="template">
<a href="#"><span class="name"></span></a>
</li>
</ul>
<div>
<form class="well" role="form" action="#">
<input type="text" placeholder="Create disc..." autofocus class="disc-name" />
<label class="checkbox-inline">
<input type="checkbox" class="create-from-existing" value="" />
Use current disc image
</label>
<button type="submit" class="btn btn-secondary create-button">Create</button>
</form>
</div>
</div>
</div>
<div class="modal-footer">
<button type="button" class="btn" data-bs-dismiss="modal">Close</button>
</div>
</div>
</div>
</div>
<!-- cannot make this one fade in else our attempts to close the modal while it's still opening fail -->
<div class="modal" id="loading-dialog" tabindex="-1" aria-labelledby="loadingModalLabel" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-body">
<div class="modal-header">
<h5 class="modal-title loading" id="loadingModalLabel"></h5>
<button
type="button"
class="btn-close btn-close-white"
data-bs-dismiss="modal"
aria-label="Close"
></button>
</div>
</div>
<div class="modal-body">
<div style="display: none" id="google-drive-auth">
Google Drive requires you to authorize jsbeeb to access your files by logging in.<br />
Please click Authorize to open a Google Drive pop-up to authenticate and give permission to jsbeeb.
<form class="well" role="form" action="#">
<button type="submit" class="btn btn-secondary">Authorize</button>
</form>
</div>
</div>
</div>
</div>
</div>
<div class="modal fade" id="sth" tabindex="-1" aria-labelledby="sthModalLabel" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="sthModalLabel">
Load from
<a href="http://www.stairwaytohell.com/">Stairway to Hell</a>
archive
</h5>
<button type="button" class="btn-close btn-close-white" data-bs-dismiss="modal" aria-label="Close"></button>
</div>
<div class="modal-body">
<div style="margin-bottom: 1rem">
<div class="loading">Loading catalog from STH archive...</div>
<div class="filter">
<label>Filter <input type="text" autofocus id="sth-filter" /></label>
</div>
</div>
<ul id="sth-list">
<li class="template">
<a href="#"><span class="name"></span></a>
</li>
</ul>
</div>
<div class="modal-footer">
<label class="float-xs-left checkbox-inline">
<input type="checkbox" class="autoboot" value="" />Autoboot</label
>
<button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
</div>
</div>
</div>
</div>
<div class="modal fade" id="hfe" tabindex="-1" aria-labelledby="hfeModalLabel" aria-hidden="true">
<div class="modal-dialog modal-lg">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="hfeModalLabel">Load from HFE disc archive</h5>
<button type="button" class="btn-close btn-close-white" data-bs-dismiss="modal" aria-label="Close"></button>
</div>
<div class="modal-body">
<p class="hfe-credit">
Disc images preserved by <a href="https://github.com/scarybeasts/beebjit">scarybeasts</a> and
contributors. Several fingerprinted variants of a title may be listed; they differ in protection, track
layout or release. A disc may also appear more than once because two sources hold it: captured direct from
the disc, or rebuilt from a sector dump.
</p>
<div style="margin-bottom: 1rem">
<div class="loading">Loading catalogue from HFE archive...</div>
<div class="filter">
<label>Filter <input type="text" autofocus id="hfe-filter" /></label>
<span id="hfe-provenance" class="hfe-provenance"></span>
</div>
</div>
<ul id="hfe-list">
<li class="template">
<a href="#">
<span class="name"></span>
<span class="publisher"></span>
<span class="detail"></span>
<span class="provenance"></span>
</a>
</li>
</ul>
</div>
<div class="modal-footer">
<label class="float-xs-left checkbox-inline">
<input type="checkbox" class="autoboot" value="" />Autoboot</label
>
<button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
</div>
</div>
</div>
</div>
<div class="modal fade" id="error-dialog" tabindex="-1" aria-labelledby="errorModalLabel" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="errorModalLabel">An error occurred - sorry!</h5>
</div>
<div class="modal-body">
<div>While <span class="context"></span>:</div>
<div class="error"></div>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
</div>
</div>
</div>
</div>
<div class="modal fade" id="are-you-sure" tabindex="-1" aria-labelledby="aysModalLabel" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="aysModalLabel">Are You Sure?</h5>
<button type="button" class="btn-close btn-close-white" data-bs-dismiss="modal" aria-label="Close"></button>
</div>
<div class="modal-body">
<div class="context"></div>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary ays-no" data-bs-dismiss="modal">No</button>
<button type="button" class="btn btn-primary ays-yes">Yes</button>
</div>
</div>
</div>
</div>
<div
class="modal fade"
id="configuration"
tabindex="-1"
aria-labelledby="configurationModalLabel"
aria-hidden="true"
>
<div class="modal-dialog modal-dialog-scrollable">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="configurationModalLabel">Emulation Configuration</h5>
<button type="button" class="btn-close btn-close-white" data-bs-dismiss="modal" aria-label="Close"></button>
</div>
<div class="modal-body">
<div id="restart-pending" class="alert alert-warning py-1 px-2 small d-none" role="status">
The model and peripherals shown here take effect when the emulator next restarts.
</div>
<div class="row align-items-center">
<div class="col-sm-6">
<label for="bbc-model-dropdown" class="col-form-label"
>Base model:<br />
<small>(including disk interface)</small>
</label>
</div>
<div class="col-sm-6 dropdown">
<button
type="button"
class="btn btn-secondary dropdown-toggle"
data-bs-toggle="dropdown"
id="bbc-model-dropdown"
>
<span class="bbc-model"></span>
</button>
<ul
class="dropdown-menu dropdown-menu-dark model-menu"
role="menu"
aria-labelledby="bbc-model-dropdown"
>
<!-- Populated dynamically from allModels in config.js -->
</ul>
</div>
</div>
<div class="row align-items-center">
<div class="col-sm-6">
<label for="keyboardDropdown" class="col-form-label">Keyboard layout:</label>
</div>
<div class="col-sm-6 dropdown">
<button
type="button"
class="btn btn-secondary dropdown-toggle"
data-bs-toggle="dropdown"
id="keyboardDropdown"
>
<span class="keyboard-layout">Physical</span>
</button>
<ul
class="dropdown-menu dropdown-menu-dark keyboard-menu"
role="menu"
aria-labelledby="keyboardDropdown"
>
<li>
<a href="#" class="dropdown-item" data-target="physical">Physical: '*' is next to Enter/Return</a>
</li>
<li>
<a href="#" class="dropdown-item" data-target="natural">Natural: '*' is shift-8</a>
</li>
<li>
<a href="#" class="dropdown-item" data-target="gaming">Gaming: handy for games like Zalaga</a>
</li>
</ul>
</div>
</div>
<div id="displaySettings" style="margin-top: 15px">
<div class="row align-items-center">
<div class="col-sm-6">
<label for="displayModeDropdown" class="col-form-label">Display mode:</label>
</div>
<div class="col-sm-6 dropdown">
<button
type="button"
class="btn btn-secondary dropdown-toggle"
data-bs-toggle="dropdown"
id="displayModeDropdown"
>
<span class="display-mode-text">CUB Monitor</span>
</button>
<ul
class="dropdown-menu dropdown-menu-dark display-mode-menu"
role="menu"
aria-labelledby="displayModeDropdown"
>
<li>
<a href="#" class="dropdown-item display-mode-option" data-mode="rgb">RGB Monitor</a>
</li>
<li>
<a href="#" class="dropdown-item display-mode-option" data-mode="pal">PAL TV</a>
</li>
<li>
<a href="#" class="dropdown-item display-mode-option" data-mode="xbr">Smoothed (xBR)</a>
</li>
</ul>
</div>
</div>
</div>
<div class="align-items-center">
<div class="row">
<div class="col-sm-6">
<label class="col-form-label"
>Additional peripherals:<br /><small
>(some combinations may cause compatibility issues)</small
></label
>
</div>
<div class="col-sm-6">
<div class="form-check">
<input class="form-check-input" type="checkbox" id="65c02" name="65c02" />