[Coco] First experiences with my DE1

Aaron Wolfe aawolfe at gmail.com
Mon Feb 17 17:43:24 EST 2014


Last I heard, SD card support was not available but something being worked
on, with os9 more likely than DECB due to lack of space in the FPGA.  You
would probably get a better answer from the yahoo group or the docs/release
notes.
On Feb 17, 2014 4:02 PM, "Nick Marentes" <nickma2 at optusnet.com.au> wrote:

> I've now got my DE1 running the CoCo3FPGA with Disk Extended Basic.
>
> I don't know exactly how or why though.
>
> What I decided to do is erase the Flash RAM then wrote the CoCo3 rom image
> (32K) to the flash starting at address 000000.
>
> The DE1 didn't boot but when I set the DE1 switches (2 & 3) to select slot
> 4 of the virtual multipack, it booted into Disk Basic like a normal CoCo3
> with a disk controller cart.
>
> Why I don't know. I hadn't flashged the Disk Basic ROM so clearly it is
> included in the CoCo3 ROM image.
>
> And why didn't Extended Color Basic boot when the virtual MPI switch was
> on 0?
>
> I'm sure a multipack with no cartridge artached just boots as a
> cartridgless CoCo3?
>
> Anyway, it's working.
>
> Now I need to work out how to read DSK images. I copied a DSK file to the
> SDCard but I can't seem to read it. Anyone had experience with the DE1
> reading DSK's?
>
> It does do it doesn't it?
>
> Nick
>
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