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Re: [midatlanticretro] It's alive!!!

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  • B. Degnan
    ... awsome!
    Message 1 of 3 , Sep 26, 2007
      At 11:07 PM 9/26/2007 -0400, you wrote:
      >*Finally* :D
      >
      >For the last quite a while, I have been working on creating a TV game
      >from scratch.. Tonight I was *finally* able to get an initial part of
      >it working, that is something on the screen! :)
      >
      >If you go to Photos --> Pre TV Game you will see a few pictures of the
      >breadboarded bits and the resulting rectangles on the screen.
      >Everything on the screen is generated by 74LS logic chips!
      >
      >After much debugging (with my handy dandy logic probe) I fixed a bunch
      >of bugs plus even found a few mistakes in the book! Unfortunately the
      >screen is flickering like the vertical hold is not syncing, but I am
      >just happy to have some sort of display. In case anyone is wondering,
      >the book I am using is "How to Design & Build Your Own Custom TV Games"
      >by David L. Heiserman.
      >
      >Next steps will be to figure out the vertical sync, then start to play
      >with making more complex figures..
      >
      >Cheers,
      >
      >Bryan

      awsome!
    • Bryan Pope
      ... The vertical sync is now rock steady.. :) One of the two vertical sync timing gates was connected to nothing.. Cheers, Bryan P.S. There are a couple of
      Message 2 of 3 , Sep 27, 2007
        Bryan Pope wrote:
        >
        > Next steps will be to figure out the vertical sync, then start to play
        > with making more complex figures..
        >
        >
        The vertical sync is now rock steady.. :) One of the two vertical sync
        timing gates was connected to nothing..

        Cheers,

        Bryan

        P.S. There are a couple of new pics in the Pre TV Game album...
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