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   rec.games.video.sega      All Sega video game systems and software      13,461 messages   

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   Message 12,028 of 13,461   
   8bitwizard to BelPowerslave   
   Re: Miracle Piano cable pinout for Genes   
   19 Mar 07 20:14:45   
   
   6e06fd0f   
   XPost: alt.sega.genesis   
   From: 8bitwizard#fanboy.net@127.0.0.1   
      
   In article <1174335319.796343.29160@y66g2000hsf.googlegroups.com>,   
    "BelPowerslave"  wrote:   
      
   > I looked all over Google for you, and I couldn't come up with   
   > anything. This may be something you'll have to hit the forum scene   
   > for. There are generally a lot of techies out there that may have this   
   > info, but only post to forums and whatnot.   
      
   I disassembled the code, and I'm pretty sure that it works like the NES   
   cable, using TH/TR (7/9) as outputs (I think TR=clock and TH=reset) and   
   Up (1) as an input. So now I need to know which pins on the DB25 are   
   used to connect to the NES.   
      
   I couldn't even find an NES cable pinout on Google. The closest I got   
   was someone who had it up on a web page on his DSL (no domain name, just   
   an IP address), but archive.org last spidered it about a month before   
   that, and it's cold dead now.   
      
   I found a schematic of a Miracle serial cable that grounds pins 14 and   
   15, so I'm guessing that those might be the input pins for the game   
   console interface. Pin 16 might even be the output pin. If so, I could   
   maybe get it right in two tries. I guess I could also open the stupid   
   keyboard and see which pins aren't used at all. I could also check the   
   Macintosh cable I have to verify grounding pins 14 and 15.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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