[Coco] CoCo TALK #18 an introduction to OS9

[David Ladd]

Rick,

Since you are dealing with the standard FD-502 controller and (2) 3.5"
floppy drives you can find a general purpose 80 track disk image @
https://sourceforge.net/projects/nitros9/files/releases/v3.3.0/

Depending on your CoCo 3's CPU you will find two zip files for the CoCo 3.
 1 for the 6309 and 1 for the 6809.
In those zip files you will find a disk image with a 80d or 80d_50hz
depending on your model of system & display.

If you need a disk image that supports playing games then that would
require customizing what you need in the boot and also if you plan on using
DriveWire 4 then some extra modules for that as well.

Otherwise those coco3_80d disk images are ready to go for 80 track floppy
drives.

The process of building a new boot file should still apply from the
original OS-9 documentation.  Which I need to dig out and look up again.
Been a long time since I built a new boot file on OS-9 or NitrOS-9 system
itself.
On the 80 track disk image there should be a directory called NITROS9 which
contains some sub directories on it.  One with the modules, bootlists, and
scripts.

Hopefully someone whom has used this can fill in the extra blanks I can't
remember right now on proper usage of the scripts and bootlists.


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| David Ladd a.k.a. PacoOtaktay a.k.a. Drencor                          |
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| Do you have your CoCo 3 yet?                                          |
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On Mon, Jul 24, 2017 at 12:23 AM, titan1a at juno.com <titan1a at juno.com> wrote:

> Any help to create a boot disk for my FD-502, dual 3.5 inch floppy-based
> 512K Coco III computer system appreciated. I have $150 US dollars to play
> with currently for additional peripheral purchases. I have numerous PC's
> with floppy drives, different operating systems, and the proper DSDD media.
> Just instruct me and point to the right direction and I'll be happy. Once
> created, the master disk will be write-protected, copied and stored in a
> safe!
>
> Rick (Sparks) Ethridge
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