[Coco] Re: Re: Nitros9 3.02.02 problem

[Charlie]

Ok, doesn't sound too hard.
So basicaly I need to create a boot disk with the drivers I need for my B&B
controller and then do these steps to fix the created boot disk?

Charlie

"Robert Gault" <robert.gault at worldnet.att.net> wrote
in message news:410107E5.6030604 at worldnet.att.net...
> Charlie wrote:
> > Thanks for the reply! Can you explain to me exactly how to "patch" RBF?
I'm
> > using the 6809L2 and would be booting from the Nitros9 disk as
downloaded
> > from Nitros9.org
> >
> > Thanks
> > Charlie
> >
> >
> > "Boisy G. Pitre" <boisy at boisypitre.com> wrote
in
> > message
news:EE8B8F14-DC52-11D8-AAA3-0003939F08E6 at boisypitre.com...
> >
> >>Charlie,
> >>
> >>This is the result of a bug in RBF that was introduced in 3.2.2.  I
> >>posted a fix a couple of days ago to the list...
> >>
> >>
> >>>debug
> >>>L RBF
> >>>. .+795  (that is period space period+795)
> >>>=21
> >>>Q
>
> The sequence that Boisy gave is the method for making the patch. Debug
> is a program which comes with the package. The command sequence is
> debug
> L RBF                 which links to the rbf module
> . .+7C5               moves forward $7C5 bytes to the byte needing change
> =21                   indicates to change the value to 21
> Q                     leaves Debug
>
> This leaves you with a patched rbf in memory but with a bad crc. Boisy
> forgot to mention you must now save this change to make things permanent.
>
> cobbler /d0             if that is the boot drive
> dEd /d0/os9boot         dEd is on your disk
> L rbf                   tell ded to link to the rbf module
> V                       verify the module
> Q                       leave dEd
>
> Your change is now permanent and rbf has a good crc value.
>
> There is a slightly shorter route if you use modpatch to make the byte
> change because modpatch contains a verify command.
>
>
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