[Coco] Does anyone have a Level3 disk that actually boots?

Bob Devries devries.bob at gmail.com
Sun Nov 23 16:47:28 EST 2014


Bill,

The OS9L3 disk is 80 track double-sided. it's dmode settings should be:

TYP=20 DNS=3 CYL=0050 SID=2 SCT=0012 T0S=0012

Regards, Bob Devries
Dalby, QLD, Australia


On 24/11/2014 2:32 AM, Bill Pierce via Coco wrote:
>
> Robert, to get Bob's disk to read in Vcc, try this:
> dmode /d0 typ=20 dns=3 cyl=23 sid=2
> It's the only way I got it to read the disk
>
>
> Bill Pierce
> "Today is a good day... I woke up" - Ritchie Havens
>
>
> My Music from the Tandy/Radio Shack Color Computer 2 & 3
> https://sites.google.com/site/dabarnstudio/
> Co-Webmaster of The TRS-80 Color Computer Archive
> http://www.colorcomputerarchive.com/
> Co-Contributor, Co-Editor for CocoPedia
> http://www.cocopedia.com/wiki/index.php/Main_Page
> E-Mail: ooogalapasooo at aol.com
>
>
>
>
> -----Original Message-----
> From: Robert Gault <robert.gault at att.net>
> To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
> Sent: Sun, Nov 23, 2014 10:54 am
> Subject: Re: [Coco] Does anyone have a Level3 disk that actually boots?
>
>
> Bill Nobel wrote:
>> Hey Bob, I tried Kwikgen but it barfed on the fact that the boot files need
> the 2 _end modules, one after the SCF modules and one after RBF.  I'm gonna wait
> a bit till I get a compilable version that I can truly play with.  I think the
> boot files still has some hardware modules that don’t exist on VCC (i.e. clock
> and cc3go descriptors).  I know your boot has SCSII drivers already.
>>
>> Bill Nobel
>>
>>> On Nov 23, 2014, at 2:33 AM, Bob Devries <devries.bob at gmail.com> wrote:
>>>
>>> Hi Bill,
>>> it was a long time ago that I built my L3 OS9Boot file. I suspect that I
> probably used something like KwikGen to do it. It is capable of removing and
> inserting modules without taking apart the whole OS9Boot file.
>>>
>>> Regards, Bob Devries
>>> Dalby, QLD, Australia
>>>
>> <snip>
>
> One of the ways I mess around with OS9Boot, is to create a directory, separate
> all of the modules in OS9boot into that directory, and build a new OS9Boot as
> needed. It is easy to point LSN0 to the new OS9Boot.
> I've a program, Separate, which splits up merged modules. Level3 presents a
> challenge as there are two _end modules so Separate was modified to ignore
> repeats.
>
> Unfortunately I can't get Bob Devries' boot disk to work with any emulator.
> There must be a special hardware requirement I'm not meeting. The modules Boot,
> Init, and CC3Go all look for different disks.
>
> Robert
>
>
>


More information about the Coco mailing list