[Coco] CoCoTracker 6809 bug/issue

Sean badfrog at gmail.com
Thu Mar 26 09:22:23 EDT 2015


That's probably the most likely culprit then, the drive choosing function
is incompatible with the Drive Pak and SDC.  I'll try running it from drive
1 tonight to confirm.
I don't have my real floppy drives set up right now to verify this.
I'll have to give the Orch90 cart a shot too!

On Thu, Mar 26, 2015 at 2:17 AM, Bill Pierce via Coco <coco at maltedmedia.com>
wrote:

>
> Sean, after further investigation, I've found that CocoTracker actually
> pokes the drive number into a location in the DECB rom (in a Coco 3 it
> resides in ram and can be edited)
> A check is made for DECB 1.1 or 1.0 and the poke is done accordingly.
> So, if the Drivepak and CocoSDC roms are not compatible with RSDOS in that
> particular rom location, then a drive change would fail.
> Both RGBDOS and HDBDOS use the RSDOS rom and only modify it to their needs
> so they work fine.
> I have no clue how Drivepak and Cocosdc roms are set up so this could very
> well be your problem. Not CocoTracker, but the compatibility of the roms in
> your drive emulators.
>
> Given the location of the same value in the drivepak and cocosdc roms,
> changes could be made in the CocoTracker basic program to make it work with
> drives other than 0.
> The reason it works with drive 0 is that it checks the current drive and
> if it's 0 it does not do the poke.
> The disk access is done via DSKI$ command for direct loading of the mods
> so that they can be loaded into the upper banks of the 512k memory one bank
> at a time.
>
>
> 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-Contributor, Co-Editor for CocoPedia
> http://www.cocopedia.com/wiki/index.php/Main_Page
> E-Mail: ooogalapasooo at aol.com
>
>
>
>
> -----Original Message-----
> From: Sean <badfrog at gmail.com>
> To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
> Sent: Thu, Mar 26, 2015 12:00 am
> Subject: [Coco] CoCoTracker 6809 bug/issue
>
>
> I have discovered a problem with Sock Master's 6809 version of
> CocoTracker.  (I
> can't test the 6309 version since I don't have a CoCo with
> one)
>
> I was wondering
> last year why it wasn't able to load songs that I had on
> drives 1,2, or 3 with
> the Drive Pak.  They would never show up.
> However, playing around today with the
> CoCo SDC, I was able to determine it
> never actually looks at those drives, only
> drive 0.  If I copy a .mod file
> from drive 1-3 to 0, and then run the program,
> it shows up.  If you choose
> any other drive from the in-program menu, it still
> only shows the file from
> drive 0.
>
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