TKROM board reproduction
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Author:  eggman [ Tue Dec 05, 2017 3:08 pm ]
Post subject:  TKROM board reproduction

I have put sockets in a TKROM board (Shadowgate). Now, when I put Shadowgate on the Eproms everything works fine. So, the soldering should be ok. However, if I put either Kirby or Mario Adventure on the Eproms, I get a very glitchy graphic. The game plays but only very glitchy. Does anybody have an idea how that can be?

Author:  Fisher [ Thu Dec 07, 2017 4:59 am ]
Post subject:  Re: TKROM board reproduction

Could you please post some pictures?
For what you've said, it seems like a problem with the CHR's A17 line.

Author:  eggman [ Tue Dec 12, 2017 3:07 pm ]
Post subject:  Re: TKROM board reproduction

Many thanks. You guessed almost correct. It was A16 that had a loose connection.
Thanks for your help!

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