[OpenBIOS] PIC Passthough( VGA )

Jd Lyons lyons_dj at yahoo.com
Mon Dec 18 03:25:17 CET 2017

begin-open-dev is also not a word in openbios

> On Dec 17, 2017, at 9:03 PM, Tarl Neustaedter <tarl-b2 at tarl.net> wrote:
> On 2017-Dec-17 20:53 , Jd Lyons wrote:
>> I’m think the same thing, just didn’t no how to select the device as the node, unfortunately it seems “begin-select-dev” isn’t a word in Openbios, yet.
> Aw, crud. Then use " dev /pci/pci10d3,141 at 10" . That's not quite
> correct, but it should work. If not, try begin-open-dev (per the name
> changes on page 251 of IEEE 1275).
> Alternatively, you could try:
>  dev /pci/pci10d3,141 at 10
>  : open true ;
>  open-dev " /pci/pci10d3,141 at 10"
> then do the load/byte-load operations.

begin-open-dev is also not a word in openbios.

Not sure about the next command:

dev /pci/pci10de,141 at 10 works as expected.

But, I’m not sure about the next command, should it be

: open true ; with a space between : and open, that returns "open is not unique". Maybe running up against the generic FCode that Openbios loads for all VGA devices, it already has the open word?

:open true; this returns :open: undefined word.

Thanks for the help, it’s been so many year since I fooled with Openfirmware that I’ve forgotten much of what I knew, whitch wasn’t that much to begin with. I always wanted to figure out how to test FCode Roms on cards before I flashed the EPRom, but I never did figure it out, so I just flashed each Rom to see if/how it would work.

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