[Coco] data modules

Gene Heskett gheskett at shentel.net
Thu Jun 8 23:27:34 EDT 2017


On Thursday 08 June 2017 22:56:14 Robert Gault wrote:

> Wayne Campbell wrote:
> > Somewhere in one of the manuals is a description of a OS-9 data
> > module. I can't find it, and I've looked through all of the level 1
> > and 2 manuals I have. Can someone point me to where that information
> > is? My future plans for decode include the use of a data module, and
> > I need the information to help me design the internal layout of the
> > module.
> >
> > Thanks,
>
> Wayne,
>
> Data modules are not in the index of OS-9 Level Two but if you look in
> the Technical Reference section on pg 3-4 you will see a list of the
> type/language byte. Code          Type          Name
>    $4x         Data Module     Data
>
> The 6th byte of a memory module is TYPE/LANGUAGE and the language is
>   $x0      for a data module.
> So combining both of these the 6th byte should be $40.
>
> Page 3-6 give the structure of an "executable" module but apparently
> if you have byte-6 = $40 you can use the same structure for a data
> module.
>
> I can't find any examples of data modules.
>
> Robert

Look at the cron from my web pages guys.  Its been 20 some years, but I 
did use it to hold the equ of a crontab file, saving the time it took to 
open and read it from spinning media every 5 minutes.

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>


More information about the Coco mailing list