Open-Source Cores For XMOS MultiCore Processors
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  • Timing is everything..

    Posted on September 12th, 2009 Administrator 2 comments

    Actually, that’s only half the story..

    Been a while since I posted so I figured I’d give y’all a bit of an update. While I’m still waiting for my PCB’s and SMT parts I’ve been beavering away on an NTSC composite color core. I’ve got some color-bars showing up but still need to find the proper voltage levels, which seems to throw off some of the colors ( like yellow ). Maybe it’s because I’m using 5% tolerance resistors.. Meh, we’ll see… Ordered some 1% just in case though..

    Anyway, if/when I get it to work it should be able to display 512 colors on-screen ( 3:3:3 ) which isn’t all that great, but if it was enough for Sega, it’s enough for me :-)

    The nice thing though, is that all the encoding is done in software and saves you a chip! With my new goal being to create an NTSC game console on a single XS1-L, this should bring that one step closer to reality…

    w00t!

     

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