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	<title>WarpZoneArcade.com</title>
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	<link>http://WarpZoneArcade.com</link>
	<description>Confessions Of An Arcade Junkie</description>
	<pubDate>Wed, 01 Sep 2010 15:29:41 +0000</pubDate>
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		<title>Peripheral Interface Adapters Have Been Assimilated.</title>
		<link>http://WarpZoneArcade.com/?p=422</link>
		<comments>http://WarpZoneArcade.com/?p=422#comments</comments>
		<pubDate>Wed, 01 Sep 2010 15:29:41 +0000</pubDate>
		<dc:creator>admin</dc:creator>
		
		<category><![CDATA[Pinball]]></category>

		<guid isPermaLink="false">http://WarpZoneArcade.com/?p=422</guid>
		<description><![CDATA[I have conquered the Motorola 6820/6821 peripheral interface adapter!
Last week I got another batch of prototype PCBs and one of them was the latest version of my Bally/Stern CPU socket based daughter board that adds a microcontroller connected to all of the CPU pins needed to let the microcontroller run in parallel with the original [...]]]></description>
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		<title>Pinball Hall Of Fame: Part 1</title>
		<link>http://WarpZoneArcade.com/?p=425</link>
		<comments>http://WarpZoneArcade.com/?p=425#comments</comments>
		<pubDate>Tue, 31 Aug 2010 10:36:40 +0000</pubDate>
		<dc:creator>admin</dc:creator>
		
		<category><![CDATA[Pinball]]></category>

		<guid isPermaLink="false">http://WarpZoneArcade.com/?p=425</guid>
		<description><![CDATA[If you are ever in Las Vegas you owe it to yourself to visit the pinball hall of fame. I was lucky enough to visit the pinball hall of fame on 2 occasions over the 4 days that I was in Las Vegas. I played about 90% of the machines that were available and had [...]]]></description>
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		<title>Pinball Hall Of Fame: Part 2</title>
		<link>http://WarpZoneArcade.com/?p=431</link>
		<comments>http://WarpZoneArcade.com/?p=431#comments</comments>
		<pubDate>Tue, 31 Aug 2010 09:37:00 +0000</pubDate>
		<dc:creator>admin</dc:creator>
		
		<category><![CDATA[Pinball]]></category>

		<guid isPermaLink="false">http://WarpZoneArcade.com/?p=431</guid>
		<description><![CDATA[Part 2 of the Pinball Hall Of Fame pictures:
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
]]></description>
		<wfw:commentRss>http://WarpZoneArcade.com/?feed=rss2&amp;p=431</wfw:commentRss>
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		<title>Adjusting Bally/Stern MPU Clock Speed</title>
		<link>http://WarpZoneArcade.com/?p=415</link>
		<comments>http://WarpZoneArcade.com/?p=415#comments</comments>
		<pubDate>Wed, 18 Aug 2010 11:13:44 +0000</pubDate>
		<dc:creator>admin</dc:creator>
		
		<category><![CDATA[Pinball]]></category>

		<guid isPermaLink="false">http://WarpZoneArcade.com/?p=415</guid>
		<description><![CDATA[Update Aug. 21: Looks like you can replace the original 470pf capacitors on -17, -13 and MPU-100 MPUs with 220pf to convert them to the MPU-200 clock speed. I will try to get an oscilloscope image of this conversion but it&#8217;s 2 less components to replace. 
I was inspired by this thread on RGP to [...]]]></description>
		<wfw:commentRss>http://WarpZoneArcade.com/?feed=rss2&amp;p=415</wfw:commentRss>
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		<title>Bally/Stern MPU 27c256 single EPROM conversion.</title>
		<link>http://WarpZoneArcade.com/?p=402</link>
		<comments>http://WarpZoneArcade.com/?p=402#comments</comments>
		<pubDate>Fri, 13 Aug 2010 07:07:49 +0000</pubDate>
		<dc:creator>admin</dc:creator>
		
		<category><![CDATA[Pinball]]></category>

		<guid isPermaLink="false">http://WarpZoneArcade.com/?p=402</guid>
		<description><![CDATA[Recently I have been experimenting with methods to replace the EPROMs on Bally/Stern MPUs with a single EPROM. This is the direction I&#8217;m planning to go with the more advanced version of my MPU daughter boards. Initially I was planning to use a 2764 EPROM to replace the original 2x 2732 EPROMs but the Motorola [...]]]></description>
		<wfw:commentRss>http://WarpZoneArcade.com/?feed=rss2&amp;p=402</wfw:commentRss>
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		<item>
		<title>X to the Y</title>
		<link>http://WarpZoneArcade.com/?p=408</link>
		<comments>http://WarpZoneArcade.com/?p=408#comments</comments>
		<pubDate>Mon, 02 Aug 2010 03:53:52 +0000</pubDate>
		<dc:creator>admin</dc:creator>
		
		<category><![CDATA[Arcade]]></category>

		<guid isPermaLink="false">http://WarpZoneArcade.com/?p=408</guid>
		<description><![CDATA[I&#8217;m finally all moved out of my warehouse. I had to leave quite a bit of stuff behind but I was able to move all of my pins and pinball parts as well as pretty much everything I actually wanted to keep so in the end it was not a big loss. It was actually [...]]]></description>
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		<title>More Bally/Stern MPU Hacking! - Replacing 5101 RAM with 6116</title>
		<link>http://WarpZoneArcade.com/?p=392</link>
		<comments>http://WarpZoneArcade.com/?p=392#comments</comments>
		<pubDate>Fri, 16 Jul 2010 13:13:29 +0000</pubDate>
		<dc:creator>admin</dc:creator>
		
		<category><![CDATA[Pinball]]></category>

		<guid isPermaLink="false">http://WarpZoneArcade.com/?p=392</guid>
		<description><![CDATA[NOTE: Procedure was updated July 30, 2010. 
While looking at the Stern MPU200 schematic trying to figure out how I was going to add RAM to my MPU daughter boards I realized how easy it would be to install a 6116 SRAM in one of the unused EPROM sockets to replace the 5101. This replaces [...]]]></description>
		<wfw:commentRss>http://WarpZoneArcade.com/?feed=rss2&amp;p=392</wfw:commentRss>
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		<title>Another new Bally/Stern test board!</title>
		<link>http://WarpZoneArcade.com/?p=387</link>
		<comments>http://WarpZoneArcade.com/?p=387#comments</comments>
		<pubDate>Fri, 16 Jul 2010 12:26:35 +0000</pubDate>
		<dc:creator>admin</dc:creator>
		
		<category><![CDATA[Pinball]]></category>

		<guid isPermaLink="false">http://WarpZoneArcade.com/?p=387</guid>
		<description><![CDATA[A lot of my projects are finally starting to come together. These boards are another step toward a dedicated lamp driver board testing system. These boards connect to J1, J2 or J3 on the lamp driver board and connect an LED to each SCR output. There is a chart screened on the board that shows [...]]]></description>
		<wfw:commentRss>http://WarpZoneArcade.com/?feed=rss2&amp;p=387</wfw:commentRss>
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		<title>Bally/Stern MPU Test Board Version 2</title>
		<link>http://WarpZoneArcade.com/?p=389</link>
		<comments>http://WarpZoneArcade.com/?p=389#comments</comments>
		<pubDate>Thu, 08 Jul 2010 05:05:24 +0000</pubDate>
		<dc:creator>admin</dc:creator>
		
		<category><![CDATA[Pinball]]></category>

		<guid isPermaLink="false">http://WarpZoneArcade.com/?p=389</guid>
		<description><![CDATA[A while back I designed some boards to replace the EPROMs on Bally/Stern MPUs. Once I started using it to test boards I realized that I needed to design another board geared more toward testing. What you see below is the result of this effort. It&#8217;s basically the same board but I&#8217;ve added a test [...]]]></description>
		<wfw:commentRss>http://WarpZoneArcade.com/?feed=rss2&amp;p=389</wfw:commentRss>
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		<title>Moving pinball machines is my business and business is good</title>
		<link>http://WarpZoneArcade.com/?p=381</link>
		<comments>http://WarpZoneArcade.com/?p=381#comments</comments>
		<pubDate>Wed, 30 Jun 2010 03:56:23 +0000</pubDate>
		<dc:creator>admin</dc:creator>
		
		<category><![CDATA[Pinball]]></category>

		<guid isPermaLink="false">http://WarpZoneArcade.com/?p=381</guid>
		<description><![CDATA[Recently the company that I&#8217;ve been renting my warehouse space from needed to use the space for their own storage so I was forced to move out. Most of the pinball machines I had stored there are now being stored in my basement and I&#8217;m planning to restore and sell 50+ machines over the next [...]]]></description>
		<wfw:commentRss>http://WarpZoneArcade.com/?feed=rss2&amp;p=381</wfw:commentRss>
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