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brain
 Post subject: 6551 Core available?
PostPosted: Sat Nov 28, 2015 4:52 am 
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Joined: Tue May 05, 2009 2:49 pm
Posts: 113
Anyone know of a Verilog 6551 core or a Verilog project with a Verilog 6551 implemented into the project?

I figured I'd check before I get too far on implementing one.

I searched on here, but only found a PIC implementation thread.

Jim
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barrym95838
 Post subject: Re: 6551 Core available?
PostPosted: Sat Nov 28, 2015 5:50 am 
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Joined: Sun Jun 30, 2013 10:26 pm
Posts: 1949
Location: Sacramento, CA, USA
Here are just a few of the many hundreds of potential leads suggested by my evil search engine:

http://permalink.gmane.org/gmane.comp.h ... coco/87591

http://fahmishamsudin.blogspot.com/

http://cbm-hackers.2304266.n4.nabble.co ... 57765.html

Mike B.
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jmp(FFFA)
 Post subject: Re: 6551 Core available?
PostPosted: Sun Nov 29, 2015 2:29 pm 
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Joined: Wed Sep 23, 2015 8:14 pm
Posts: 171
Location: Philadelphia, PA
brain wrote:
Anyone know of a Verilog 6551 core or a Verilog project with a Verilog 6551 implemented into the project?

Not sure if it's of interest, but there was a 6850 core included as part of a 6809 project here: http://opencores.org/project,system09 The 6850 has similar capabilities and a similar bus interface to the 6551.

Note that you'll have to join opencores.org to view the project, but it's free and an excellent resource for the FPGA experimenter anyway.
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brain
 Post subject: Re: 6551 Core available?
PostPosted: Sat Dec 12, 2015 5:29 am 
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Joined: Tue May 05, 2009 2:49 pm
Posts: 113
barrym95838 wrote:
Here are just a few of the many hundreds of potential leads suggested by my evil search engine:

http://permalink.gmane.org/gmane.comp.h ... coco/87591
This one is my post
Quote:
http://fahmishamsudin.blogspot.com/
This one isn't a 6551. I found a slew of general purpose uart Verilog...
Quote:
http://cbm-hackers.2304266.n4.nabble.co ... 57765.html
This one is my post
Quote:
Mike B.
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brain
 Post subject: Re: 6551 Core available?
PostPosted: Sat Dec 12, 2015 5:29 am 
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Joined: Tue May 05, 2009 2:49 pm
Posts: 113
jmp(FFFA) wrote:
brain wrote:
Anyone know of a Verilog 6551 core or a Verilog project with a Verilog 6551 implemented into the project?

Not sure if it's of interest, but there was a 6850 core included as part of a 6809 project here: http://opencores.org/project,system09 The 6850 has similar capabilities and a similar bus interface to the 6551.

Note that you'll have to join opencores.org to view the project, but it's free and an excellent resource for the FPGA experimenter anyway.

Hmmm, the 6850 is close (only 2 registers, as I recall). I'll see if I can adapt.

Jim
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