[Coco] NitrOS9 Boot Help

Joe Grubbs jsgrubbs at hotmail.com
Sat Apr 11 12:43:01 EDT 2015


In the last two pokes, use &HD instead of &D


--- Original Message ---

From: "Vincent Tran" <vincent at webmasterofmydomain.com>
Sent: April 11, 2015 12:40 PM
To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
Subject: Re: [Coco] NitrOS9 Boot Help

Thanks for the info, Bill.  Here are my results:

> PRINT PEEK(&HD938)
7

>POKE&HD938,0:POKE&D939,0:POKE&D93A,0
I get a ?SN ERROR for that command.  I triple checked the characters to
make sure I didn't fat finger anything.




On Sat, Apr 11, 2015 at 12:25 PM, Bill Pierce via Coco <coco at maltedmedia.com
> wrote:

>
> Vincent,
> 1st,  Do you have a 6309 CPU? If not, then you're using the wrong disk
> images.
> No "standard" off-the-shelf Cocos came with a 6309, so most likely you
> have a 6809 CPU.
>
> 2nd, booting from DriveWire, only images ending in "_dw" will boot, all
> others will fail.
> Since you are getting the "OK" prompt after "DOS", this suggests you are
> trying to boot a 6309 image on a 6809. The image you need is:
>
> nos96809l2v030300coco3_dw.dsk
>
> This image will boot on both 6809 & 6309.
>
> 3rd... Is there an offset set in your HDBDOS rom? This will also produce
> an "OK" prompt after "DOS" if there is no VHD with an RSDOS partition.
> To find out type:
>
> PRINT PEEK(&HD938)
>
> If the result is 0 then you're fine. If it's non-zero then you need to set
> your offsets to 0 for a disk image.
> Use:
>
> POKE&HD938,0:POKE&D939,0:POKE&D93A,0
>
> Then type "DOS"
>
> 4th... No OS9 disk can read directly by RSDOS/HDBDOS. You will not get
> "DIR" results with any image from the repo while in RSDOS/HDBDOS. Only the
> "DOS" command will produce results and then ONLY on bootable disks (disks
> with an OS9Boot file).
>
> As for the CocoSDC, I don't own one, so I can't tell you how it should
> react.
>
> As Tormod pointed out, use DriveWire4 as DriveWire3 is a bit out-dated and
> has no where near the features of DW4.
>
>
> Bill Pierce
>
> "and Charlie stole the handle... The train, it won't stop going, no way to
> slow down" - Ian Anderson/Jethro Tull
>
>
> My Music from the Tandy/Radio Shack Color Computer 2 & 3
> https://sites.google.com/site/dabarnstudio/
> Co-Contributor, Co-Editor for CocoPedia
> http://www.cocopedia.com/wiki/index.php/Main_Page
> E-Mail: ooogalapasooo at aol.com
>
>
>
>
> -----Original Message-----
> From: Vincent Tran <vincent at webmasterofmydomain.com>
> To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
> Sent: Sat, Apr 11, 2015 10:39 am
> Subject: [Coco]  NitrOS9 Boot Help
>
>
> Greetings all -- After trying to Google help on booting NitrOS9 on my Coco3
> and
> coming up with nothing that has worked for me, I am hoping someone can
> point me
> in the right direction.  I've been trying to boot NitrOS9 for the
> longest time
> and can't seem to get it going.
>
> My setup:
> * Coco 3 with serial to USB cable to
> my PC
> * HBD-DOS v1.4 DW3 cartridge
> * Drivewire 3 & 4.  (I've tried both)
>
> I
> mount the NitrOS9 disk image to drive0 in Drivewire and type "DIR" on the
> Coco
> and all I get is an "OK" back.  When I do a "DIR", I get "DRIVE=0
> FREE=63"
> (blank floppy?).
>
> Here are the NitrOS9 files:
>
> 04/13/2014  03:42 PM
> 368,640 nos96309l2v030300coco3_40d_1.dsk
> 04/13/2014  03:42 PM           368,640
> nos96309l2v030300coco3_40d_1_50hz.dsk
> 04/13/2014  03:42 PM           368,640
> nos96309l2v030300coco3_40d_2.dsk
> 04/13/2014  03:42 PM           737,280
> nos96309l2v030300coco3_80d.dsk
> 04/13/2014  03:42 PM           737,280
> nos96309l2v030300coco3_80d_50hz.dsk
> 04/13/2014  03:42 PM           631,552
> nos96309l2v030300coco3_arduino.dsk
> 04/13/2014  03:42 PM
> 624,384
> nos96309l2v030300coco3_arduino_headless.dsk
> 04/13/2014  03:42 PM
> 631,552 nos96309l2v030300coco3_becker.dsk
> 04/13/2014  03:42 PM
> 624,384
> nos96309l2v030300coco3_becker_headless.dsk
> 04/13/2014  03:42 PM
> 4,718,592 nos96309l2v030300coco3_cocosdc.dsk
> 04/13/2014  03:42 PM
> 632,064 nos96309l2v030300coco3_dw.dsk
> 04/13/2014  03:42 PM
> 624,384
> nos96309l2v030300coco3_dw_headless.dsk
>
> I've also tried the
> nos96309l2v030300coco3_cocosdc.dsk with the CocoSDC and
> all I get when EXEC is a
> scrambled screen.
>
> Any help would be appreciated.  Thanks.
>
> -Vincent
>
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