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From: cybernesto <cybernesto@macgui.com>
Newsgroups: comp.sys.apple2
Subject: Re: Looking for a specific Echo Plus disk
Date: Sat, 29 Jan 2022 09:54:34 -0000 (UTC)
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Jayson Smith wrote:
> Now the only problem is, with the MAME emulation of the Echo II Plus, 
> I'm only getting the main melody of the little musical jingles, and not 
> the chords! I wonder why?
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.