[Coco] Howto for Altera DE1?
Steven Hirsch
snhirsch at gmail.com
Mon Jun 28 09:11:55 EDT 2010
On Mon, 28 Jun 2010, Steven Hirsch wrote:
> On Mon, 28 Jun 2010, Mark McDougall wrote:
>
>> Steven Hirsch wrote:
>>
>>> ..and it did. I brought up the control panel app under VMware and copied
>>> what I believe is a proper coco3 rom image (32KB) to "flash" memory.
>>
>> Did you do a "chip erase" first?
>
> Bingo! That was the key step :-). It started cooperating one heck of lot
> better after that. There _really_ needs to be a simple little checklist for
> sake of idiots like myself.
>
>>> So, where to start? Do I have a bad DE1 board? Is there some sort of
>>> assurance test for the onboard memory and ROM?
>>
>> You should be able to read out the contents of the flash using the control
>> panel to a file and compare it with the image you programmed.
>
> Yes, it comes back with the same CRC.
>
> Next issue. The keyboard is dead. However, I've seen discussion that
> indicates a jumper change is required for 5V keyboards and will dig around
> for that.
And, naturally, I cannot find said discussion - anywhere. It's not
documented in the DE1 manual either.
Anyone have the details on this?
Steve
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