the scematic for the adapter board
Quoted from SYS6:I have the Leon and Andre WMS test roms which I use but prefer pincoders because they have more tests, are more thorough and present better results as well as testing the whole game - thanks pincoder.
I just built an adapter for sys346 games, probably easier to just buy the one pincoder sells, but I had some spare W27C010 chips. These are 128k x 8bit wide and the pinouts align very nicely with 2716 eproms. You waste almost 3/4 of this memory space on this chip, but I had them after earlier building the sys7 adapter which uses 4k blocks. So an hour or so on the soldering iron and some vero-board has it built.
One suggestion I would make is to ensure you run the cmos clear routine before you go back to game play if you test in the game with the battery in place.
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Nicely done! Are you willing to share your schematic and the 27C010 image?
Woolwich Township, NJ
