[Coco] 6809 FPGA Success

[Dave Philipsen]

Have you ever considered wire-wrapping on a proto board?

http://www.davebiz.com/IMG_1113.JPG


Dave



On 2015-09-28 21:59, Bill Nobel wrote:
> I am at 10Mhz as of that pic.  I really need to get a PC booted up
> with Quartus to try this again, I have a couple.
> 
> Most of the time when I program the Nano, I get a flaky VGA, it
> flashes the image in and out.  When i get the image I can see what I
> typed, but very unstable display, until I get a good programming that
> boots properly.
> 
> I have been also playing with internal ram going bigger, tried 64k,
> too big for the Nano. 8k compiles, no complete programming yet.
> 
> Bill Nobel
> 
>> On Sep 28, 2015, at 8:44 PM, Dave Philipsen <dave at davebiz.com> wrote:
>> 
>> 
>> 
>> Woohoo! Good to hear it. At what speed are you clocking the CPU? I 
>> can't
>> really comment on your use of VMware Fusion on the Mackbook for 
>> Quartus
>> but if it were me that's the first thing I would be suspicious of. I
>> also don't have any experience on the DE0 but when I run Quartus on a 
>> PC
>> and program my DE1 it works pretty much flawlessly every time.
>> 
>> Dave
>> 
>> On 2015-09-28 20:40, Bill Nobel wrote:
>>> Well, I finally got Grant Searles project working on my DE0 Nano.
>>> 
>>> https://www.dropbox.com/s/9xltyy8woan1l5c/IMG_0285.jpg?dl=0
>>> <https://www.dropbox.com/s/9xltyy8woan1l5c/IMG_0285.jpg?dl=0>
>>> 
>>> This is using the internal 4K Ram. I have a 512K Sram for 3.3v, but
>>> that I can't get it going yet. (noise I think)
>>> 
>>> The only other issue I have is that I don't get proper results
>>> programming the nano. Sometimes I have to program it 4 times with the
>>> same .sof to get it to boot properly. Could this issue be the fact I
>>> am using VMware Fusion on my Macbook Pro to use Quartus?
>>> 
>>> Bill Nobel
>> 
>> 
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