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<!DOCTYPE html>
<!-- -*- mode: HTML; indent-tabs-mode: nil -*- -->
<!-- Copyright 2010 Will Scullin -->
<html>
<head>
<meta charset="utf-8" />
<meta name="keywords" content="apple2,apple,ii,javascript,emulator,html5" />
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<title>About Apple 1js</title>
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<body id="about">
<div style="text-align: center">
<span class="motter" style="font-size: 2em">Apple 1js</span>
</div>
<div style="max-width: 800px; margin: auto">
<h2>What is this?</h2>
<span class="motter"><a href="../apple1/">Apple 1js</a></span>
is an Apple 1 emulator written entirely in JavaScript and HTML5.
<h2>Updates</h2>
<h3>2013-06-25</h3>
<ul>
<li><h4>ACI Emulation</h4>
Programs are now loaded via ACI emulation off of virtual tapes.
This is slower than just slamming them into memory, faster
than emulated typing.
Actually loading programs from audio files is on my radar, but
quite a bit more work.
</li>
</ul>
<h3>2013-06-05</h3>
<ul>
<li><h4>More Accurater</h4>
I've scraped the Internet for more information. For instance
<a href="http://cameronscloset.com/category/apple-1/">
Cameron's Closet
</a> had some nice info on character display.
</li>
<li><h4>Krusader off by default</h4>
Krusader seems to cause some output weirdness outside of the Krusader
shell, so I'm not using it by default anymore.
Use #krusader to turn it back on.
</li>
</ul>
<h3>2013-05-28</h3>
<ul>
<li><h4>Less Limited Input</h4>
Pasting into the load window is now the same as typing. For now it
is not any faster, though.
</li>
</ul>
<h3>2013-05-27</h3>
<ul>
<li><h4>Krusader</h4>
I've decided to use
<a href="http://school.anhb.uwa.edu.au/personalpages/kwessen/apple1/Krusader.htm">Krusader</a>
as the default ROM for now. I'm just starting to find my way around it,
but other Apple 1 people might find it useful.
</li>
</ul>
<h2>Requirements</h2>
<ul>
<li><h3>A Browser with HTML5 Support</h3>
The most recent versions of
<a href="http://www.google.com/chrome/" target="_blank">
Google Chrome</a>,
<a href="http://www.apple.com/safari/" target="_blank">
Safari</a>,
<a href="http://www.firefox.com/" target="_blank" >
Firefox</a>, and
<a href="http://www.opera.com/" target="_blank">
Opera</a>
all seem to work reasonably well these days, although
variations in HTML5 support pop up, and occasionally a major release
will move things around out from under me.
IEs prior to 9 lacks canvas tag support and are unsupported.
<a href="http://windows.microsoft.com/ie9">IE 9+</a> renders nicely on
a modern machine.<br/>
</li>
<li><h3>Basic Knowledge of the Apple 1</h3>
If you don't know how to use an Apple 1, this won't be much fun for
you. A good place to start is the <a href="http://applefritter.com/apple1">Apple I Owners Club</a>.
</li>
</ul>
<h2>Known Limitations</h2>
<ul>
<li><h3>Limited Accuracy</h3>
Unlike the <a href="../apple2/">Apple ][</a> I wrote an emulator for, I don't own an Apple 1.
My emulation is based on all the reference materials I was able to dig up, and by comparison
to the behavior of other emulators.
</li>
</ul>
<h2>Acknowlegements</h2>
<ul>
<li>
<h3>I'm using the following libraries:</h3>
<ul>
<li>
<a href="http://jquery.com">jQuery</a> and
<a href="http://jqueryui.com">jQuery UI</a>
</li>
<li>
<a href="http://www.JSON.org/json2.js">JSON 2</a>
</li>
<li>
Base64 Utilities via
<a href="http://kevin.vanzonneveld.net/">KvZ</a>
</li>
</ul>
</li>
<li>
<h3>I heavily referenced:</h3>
<ul>
<li>
<a href="http://applefritter.com/apple1">Apple I Owners Club</a>
and the <a href="http://applefritter.com/forum">applefritter forums</a>.
</li>
</ul>
<li>
<h3>And special thanks to:</h3>
<ul>
<li>
<a href="http://www.willegal.net/index.htm">Mike</a> for an eclectic
collection of useful information. Someday I will work up the nerve
to try building a replica.
</li>
<li>
And of course <a href="http://www.woz.org">Woz</a>, for launching my 30+ years
of both silly and practical computer projects.
</li>
</ul>
</li>
</ul>
<h2>Contact</h2>
<ul>
<li>
<a href="mailto:apple1js@scullinsteel.com">apple1js@scullinsteel.com</a>
</li>
</ul>
</div>
</body>
</html>