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   comp.sys.apple2      Discussion about Apple II micros      56,720 messages   

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   Message 55,290 of 56,720   
   Richter Belmont to cybernesto   
   Re: Looking for a specific Echo Plus dis   
   18 Feb 22 19:42:43   
   
   From: messdrivers@gmail.com   
      
   On Saturday, January 29, 2022 at 4:54:36 AM UTC-5, cybernesto wrote:   
   > Oh yes, the ECHO+ emulation in MAME is incorrect. They configured it like a   
   > Mockingboard with two 6522s instead of one. So the second AY8912 does not   
   > get addressed at all. I've been meaning to send a pull request with a fix   
   > for a long time, but the project is a moving target and I get intimidated   
   > each time I look at it.   
      
   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   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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