e3e9b65e   
   From: asc135@yahoo.com   
      
   Mike Ditto wrote:   
   > I designed my own U72 PAL to allow 128k RAM many years ago.  I derived   
   > it from the register descriptions in the technical manual, so it may   
   > not   
   > be exactly the same logic as the Tandy part but it works.  Here   
   > is the PALASM source code for a PAL16L8:   
   >   
   > 	http://www.omnicron.com/~ford/U72.pal   
   >   
   > I haven't looked at or used this in 25 years and I don't think I even   
   > have a programmer that can program PALs, so I am just posting it in   
   > hope   
   > that someone can make use of it.   
   >   
   > 					-=] Mike [=-   
      
   Mike,   
      
   Thank you for sharing this.  Some time soon I will make a part and try   
   it out.  I'm not familiar with PALASM so I'll have to figure out the   
   proper work flow to get there.  If I'm successful I'll post the details   
   for everyone.   
      
   Best regards,   
   Amardeep   
      
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