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Want to make a bug-free 6551?
http://forum.6502.org/viewtopic.php?f=10&t=6203
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Author:  drogon [ Tue Jul 07, 2020 8:02 pm ]
Post subject:  Want to make a bug-free 6551?

Google are giving us the chance to have 100 custom design ICs... for free.

More details here: https://fossi-foundation.org/2020/06/30/skywater-pdk

-Gordon

Author:  cbmeeks [ Tue Jul 07, 2020 9:09 pm ]
Post subject:  Re: Want to make a bug-free 6551?

VIC-II, SID & POKEY please... :-)

Author:  Rob Finch [ Wed Jul 08, 2020 6:41 pm ]
Post subject:  Re: Want to make a bug-free 6551?

There's a 6551 compatible core at opencores.org (uart6551). Not guaranteed to be bug free at this stage, but has been tried in an FPGA. It's register set compatible with a 6551. It may also be used as an upgraded 6551 core with a 32-bit data bus. It might be a starting point for a 6551 core.

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