From: cybernesto@macgui.com   
      
   > Hi, can you clue me in as to how the second AY is addressed on the Echo+   
   > so   
   > I can fix the issue?  I haven't been able to find any decent technical   
   > documentation on the card.   
   >   
   > Cheers,   
   > -RB   
   >   
      
   Hi RB, the ECHO+ uses the BC2 line to enable one or the other PSG. BC2_1 is   
   connected to PB3 and BC2_2 to PB4. I actually managed to build this change   
   and it worked like a charm. I created a pull request. Let me know what you   
   think or if you need any further info.   
   I saw a TODO about finding a hi-res picture of an echo+ card. Was it for the   
   reverse engineering or for documentation purposes? I can try to scan mine if   
   it's still necessary. There were two versions of it. I have the mono version   
   only.   
      
   --- SoupGate-Win32 v1.05   
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