{% extends "base.html" %} {% block body %}

Smart E-Amusement

So maybe you've turned on that checkbox before, and you're wondering what magic it used? Thankfully, source code for that tool is actually shipped along with it (provided you have a legitimate copy) so we can have a look.

...and that's where the trail runs cold. Upon cracking open the source you will just be faced with walls of hardcoded binary data. Let's take a serious look at what we have here instead.

The first important thing to note is that every single reply from easrv is hardcoded. This means their encryption is also hardcoded, and sure enough the header is hardcoded to 1-53d121c7-a8b3 (in fact, the entire HTTP header block is a hardcoded string!).

Many of these responses are only rqeuired by specific games. I've not yet compiled a list of which is for what game, but consider it a future expansion coming later :).

services.get

{% highlight "cxml" %}

    
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
    
{% endhighlight %}

pcbtracker.alive

{% highlight "cxml" %}

    
{% endhighlight %}

message.get

Maintenance disabled:

{% highlight "cxml" %}

    
{% endhighlight %}

Maintenance enabled:

{% highlight "cxml" %}

    
        
        
    
{% endhighlight %}

facility.get

This packet notably has its encoding bytes as 00 FF which to the best of my knowledge is not a valid encoding. I used Shift-JIS here to decode the location name.

{% highlight "cxml" %}

    
    
        US-01
        US
        .
        ・ョ・ッ・ョ・・
        0
    
    
        .
        0
    
    
        1.0.0.127
        8888
        8888
    
    
        1
        .
        0
        0
    
    
        
        0
        0
        1000000
        
        
        http://localhost
        http://localhost
        http://localhost
        http://localhost
        http://localhost
        
    
    
{% endhighlight %}

pcbevent.put

{% highlight "cxml" %}

    
{% endhighlight %}

package.list

{% highlight "cxml" %}

    
{% endhighlight %}

tax.get_phase

{% highlight "cxml" %}

    
        0
    
{% endhighlight %}

eventlog.write

{% highlight "cxml" %}

    
        1
        0
        0
        0
    
{% endhighlight %}

machine.get_control

{% highlight "cxml" %}

    
        
            nop
        
    
{% endhighlight %}

info2.common

{% highlight "cxml" %}

    
        
    
{% endhighlight %}

pcb2.boot

{% highlight "cxml" %}

    
        
            AS
            1
            0
            0
        
    
{% endhighlight %}

pcb2.error

{% highlight "cxml" %}

    
{% endhighlight %}

system.getmaster

Just an error response unless the game is one of...

Steel Chronicle (KGG-*):

{% highlight "cxml" %}

    
        1
        MSwxLDEsMSwxLDEsMSwxLDEsMSwxLDEsMSwx
        MSwxLDEsMSwxLDEsMSwxLDEsMSwxLDEsMSwx
        1120367223
    
{% endhighlight %}

Metal Gear Arcade (I36-*):

{% highlight "cxml" %}

    
        1
        MjAxMTA4MTAwMDoxOjE6MToxOjE6MToxOjE6MToxOjE6MToxOjE6MToxOjE6MToxOjE6MToxOjE6MToxOjE6MToxOjE6MToxOjE6MToxOjE6MToxOjE6MToxOjE6MToxOjE6MQ==
        MSwxLDEsMSwxLDEsMSwxLDEsMSwxLDEsMSwx
        1120367223
    
{% endhighlight %}

hdkoperation.get

Only used by Steel Chronicle as far as I can tell

{% highlight "cxml" %}

    
        1
        0,0,0,0,0,0,0,0,0
    
{% endhighlight %}

op2_common.get_music_info

This one is really long. It's got its own dedicated page if you really want to see it anyway.

It appears to be specifically for Nostalgia Op.2, however this may be incorrect.

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