(Topic ID: 222797)

NEW! Williams System 3-7 In-Game Test ROMs


By pincoder

1 year ago



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  • 196 posts
  • 29 Pinsiders participating
  • Latest reply 6 days ago by kevinclark
  • Topic is favorited by 49 Pinsiders

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#72 12 months ago

Hi! Just simple questions: I have a 27256 rom, I can create the adapter, but I cannot understand how to select the specific test rom via dip switch
Then, I'm trying these amazing software (thanks Pincoder!!! ) on a partially working sys6 board. Test 01-Led is ok, also the test 02-Blanking but with 00-BUS I noticed that pin 9 (address A0) is LOW instead HIGH as it should be.. What can cause this wrong signal?
Thanks

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