[Coco] So, my CoCo 3 may be having some trouble

Christopher Smith csmith at wolfram.com
Fri Aug 16 19:45:07 EDT 2013


I thought that may have been the question.  I'm not opposed to dumping the ROM out.  Sounds like a simple enough process, though I've never tried it before.  Pin 8 maybe?

http://www.bighole.nl/pub/mirror/homepage.ntlworld.com/kryten_droid/coco/coco_tm_37.png


Though... that doesn't actually say which pin 8 is. :)

Chris

----- Original Message -----
> From: "Bill Pierce" <ooogalapasooo at aol.com>
> To: coco at maltedmedia.com
> Sent: Friday, August 16, 2013 3:15:30 PM
> Subject: Re: [Coco] So, my CoCo 3 may be having some trouble
> 
> 
> Chis,
> By "image" I mean an actual save of the rom itself. I'm pretty sure
> the cart is only a ROM cart and has no hardware for external sound.
> It just uses the Coco's internal 6 bit DAC for sound.
> Since you do not have an MPI, you would have to tape the CD pin on
> the cart so it wouldn't auto start, then do a
> CSAVEM"MUSIC",&HC000,&HEFFF,&HC000 ,to save the ROM to cassette.
> It's probably not that big but those addresses would cover it just
> in case.
> Then you have to copy the cassette image to a PC by recording a
> ".wav" file or use one of the conversion programs in the archives or
> on the net. I usually just plug the Coco cassette output straight to
> the line input of the PC and do the save on the Coco and record it
> on the PC using Window Sound Recorder. Then I load it into VCC Coco
> emulator and save it as a ".cas" file.
> >From the wav or cas file, I would gladly make the transfers &
> >conversions to virtual disk and virtual pak for use with DriveWire4
> >and the emulators as I'm sure others would too.
> I can't remember which contact you have to tape on the cart to keep
> it from autostarting but I'm sure someone will chime in (anyone?).
> By doing this, the ROM is in memory but ECB starts normally and
> doesn't recognize it. I used to use this technique to disable the
> ROM in the Orch90 cart to use it as a stereo sound pak.
> 
> Bill Pierce
> 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: Christopher Smith <csmith at wolfram.com>
> To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
> Sent: Fri, Aug 16, 2013 2:06 pm
> Subject: Re: [Coco] So, my CoCo 3 may be having some trouble
> 
> 
> Yes, it's that cart.  Happened to dig it out because I've run into
> another guy
> who actually wants it for use, and I don't have too much use for it,
> so I'll
> probably swap him for some of the stuff I've been looking for of
> which he has
> extra copies.
> 
> I didn't actually think there were "high res" semi-graphics modes.
>  It *might*
> be using one of those, but the resolution does look a bit good for
> semigraphics
> to me.
> 
> Now, when you say image, do you mean a dump of the contents, a
> photograph of the
> cart itself, a screenshot, or something else?  :)
> 
> 
> 
> ----- Original Message -----
> > From: "Bill Pierce" <ooogalapasooo at aol.com>
> > To: coco at maltedmedia.com
> > Sent: Friday, August 16, 2013 11:48:02 AM
> > Subject: Re: [Coco] So, my CoCo 3 may be having some trouble
> > 
> > 
> > The "Music" cart was similar to "Musica" but in a cart form and
> > earlier I believe. I "think" it was 4 voice "wavform" oriented.
> > There's not an image of the pack in the archives that I can find,
> > but I remember seeing an early ad for it in one of the magazine
> > archives. If Chris could make an image of the rompak, it would be
> > welcome in the archives.
> > 
> > 
> > 
> > Bill Pierce
> > 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: John W. Linville <linville at tuxdriver.com>
> > To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
> > Sent: Fri, Aug 16, 2013 10:16 am
> > Subject: Re: [Coco] So, my CoCo 3 may be having some trouble
> > 
> > 
> > On Thu, Aug 15, 2013 at 11:00:53PM -0400, Robert Gault wrote:
> > > Christopher Smith wrote:
> > > >I just noticed that one cart I've tried -- the old "music"
> > > >cartridge
> > > ><snip>
> > > 
> > > What "music" cartridge? There are two paks that come to mind,
> > > Speech
> > > Sound Cart and the Stereo Music Synthesizer (AKA Orc-90). Is it
> > > one
> > > of these?
> > 
> > There is a ROM pak cartridge with the title "Music" -- I don't know
> > much else about it, but I imagine that is the one he means.
> > 
> > John
> > --
> > John W. Linville		Someday the world will need a hero, and you
> > linville at tuxdriver.com			might be all we have.  Be ready.
> > 
> > --
> > Coco mailing list
> > Coco at maltedmedia.com
> > http://five.pairlist.net/mailman/listinfo/coco
> > 
> >  
> > 
> > --
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> > 
> 
> --
> Christopher Smith
> Systems Engineer, Wolfram Research
> 
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> 
>  
> 
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> 

-- 
Christopher Smith
Systems Engineer, Wolfram Research



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