[Coco] fpga coco3 sdcard os9 boot
tim franklinlabs.com
tim at franklinlabs.com
Wed Jun 1 19:34:57 EDT 2016
Correction:
Step 2 Install Brett's ROM image at location $3fc000 in the DE-1 Flash
Not $31000
On June 1, 2016 at 6:25 PM "tim franklinlabs.com"
<tim at franklinlabs.com> wrote:
Camillus,
From my time spent over the last week trying to get this to work,
it's
not ready for prime time yet. Several files needed are
not (as of today) posted. I will e-mail you the files if you want
and
if Brett or Gary give me the permission too. I'm sure they
will. But, they are not 100% working. You still have to be connected
to
Drivewire for it to work. At least with the files I got
from Brett. I saw Gary completely disconnected from DW at the fest
but
he hasn't released it yet.
As for the step-by-step instructions, I'll give it a go...
These instuctions assume you have general knowlege of programming
the
DE-1 FPGA. Many details were left out. If you need
further help, read the quartus manuals.
Step 1 Install the CoCoFPGA core CoCoFPGA.POF onto the DE-1 program
flash (not the 4M flash). (Need to send this file)
Note: The version of the POF is unknown as this file was sent to me
by Brett.
a. Put the DE-1 in write mode (switch on unit)
b. Use the Quartus II programmer to "burn" the firmware to the FPGA
system.
c. Put DE-1 back into write-protect mode (switch on unit)
Step 2 Install Brett's ROM image at location &H31000 in the DE-1
Flash.
Bretts code acts like a ROM pack and is located in one of the
virtual MPI slots of the DE-1
a. Install the DE-1 Control Panel (DE1_USB_API.sof) using the
Quartus II Programmer
b. Run DE-1 Control Panel application DE1_Control_Panel.exe
c. Erase the FLASH.
d. Burn file _DE1_FLASH.BIN to the flash at offset $00000
(Important: file length switch ON)
e. Burn file _ROM.BIN to the flash at offset $3fc000 (Important:
file length switch ON)
Step 3 Burn the SD Card image to the SD card at offset $000000.
Note: This step, you are on your own. I did this using some custom
software I wrote for my company a few years back.
Step 4 Connect Drivewire with some dummy disk file installed. It
doesn't matter which format.
Step 5 Enjoy.
If you want me to send you the files, I will after I get the OK from
Brett or Gary.
-Tim
On June 1, 2016 at 3:41 PM Camillus <camillus.b.58 at gmail.com> wrote:
Hi all,
I'm trying to follow the Nitros9 SD booter thread, but I got lost a
long time ago.
Can someone pls get this all in a step by step instruction guide,
for us starters...lol
The jargon in the mails is gibberish for me.
So anyone please?
Camillus
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