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

Wed Aug 21 22:46:26 EDT 2013

Chris,
I can convert the code if you can send me a copy of the wave file.
A rom/ram loader must be added to the code in memory before the load address of the file.
I have done this to many carts in the past. All I need is an image of cassette file in wav format.

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: Wed, Aug 21, 2013 10:30 pm
Subject: Re: [Coco] So, my CoCo 3 may be having some trouble

Yes, I managed to get that from Google after I sent the message.  Turns out that 
it won't reload back into the original location, and it won't run from a new 
location (so I assume the code isn't relocatable)...  I'm now thinking it will 
need something that puts the coco into RAM mode and then reloads it back into 
the correct spot.  I'll see about capturing it in such a way that it will load 
up in an emulator -- such as it ever loads up so far -- shortly.

Chris

----- Original Message -----
> From: "Bill Pierce" <ooogalapasooo at aol.com>
> To: coco at maltedmedia.com
> Sent: Tuesday, August 20, 2013 6:10:01 AM
> Subject: Re: [Coco] So, my CoCo 3 may be having some trouble
> 
> 
> Chris,
> The cart is not going to reload at the addresses it's saved from.
> You'll be reloading to a rom area and the Coco don't like that. It
> has to be converted to load from lower memory with a rom/ram loader.
> If you have a successful save, send it to me and I'll do the
> conversion and send it back. The whole idea (at this point) is to
> just get a successful cassette save and convert it to a wav file.
> 
> 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: Tue, Aug 20, 2013 3:29 am
> Subject: Re: [Coco] So, my CoCo 3 may be having some trouble
> 
> 
> Well, I haven't been able to get the cart to save and then reload
> without an I/O
> error.  Not quite sure what's going on yet.  Small BASIC programs
> seem to work
> fine.
> 
> Chris
> 
> ----- Original Message -----
> > From: "Bill Pierce" <ooogalapasooo at aol.com>
> > To: coco at maltedmedia.com
> > Sent: Saturday, August 17, 2013 8:43:24 AM
> > Subject: Re: [Coco] So, my CoCo 3 may be having some trouble
> > 
> > 
> > Thanks Tormod,
> > I'm not real familiar with the pinouts of carts. I only had a few
> > "simple" carts back in the 80s EdtAsm, a couple of games, and the
> > Orch90 was one of them. It stayed in a "taped" state from the time
> > I
> > discovered the feature to the present day. If I wanted to use the
> > Orch90 rom, I would just enter EXEC&HC000. I then got a disk drive
> > (and Midi software) and didn't have an MPI so I quit using it
> > except
> > for special ocassions when showing off some of my old custom
> > "stereo" software.
> > 
> > I had a Casio SK-1 sampling keyboard with 5 "user" sample slots.
> > Remember the TV commercials of the kid playing "Jingle Bells" with
> > samples of his dog barking? I connected the two outputs of the
> > Orch90 pak to 2 channels of a little RS 4 channel mixer. That way I
> > could custom mix the two outputs to one channel. The SK-1 had a
> > 1/8th in. microphone input that I connected to the output of the
> > mixer.
> > I used the SK-1 in the band I was playing in. I would have the Coco
> > set up on the top tier of my keyboard stand. My custom software
> > would play stereo samples to the SK-1 and one by one I would load
> > them into the 5 banks on the SK-1 for each song when I needed them.
> > The SK-1's onboard sounds were horrible, but with my samples, I
> > could produce the sounds of real strings and organs as well as
> > special effects. I sampled these sounds into the Coco using the 6
> > bit input on the joystick port for greatest fidelity. My software
> > had an editor in which I could edit the waveform itself as well as
> > attack, sustain, decay and release. It also expanded the frequency
> > to that of an 8 bit sample for the Orch90 which was 8 bit output.
> > The software allowd storage of 10 small samples with playback of
> > any
> > one or two samples in stereo.
> > The lead singer of the band would get mad everytime he had to wait
> > for me to load samples from cassette before we could start a song !
> > 
> > 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: Tormod Volden <lists.tormod at gmail.com>
> > To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
> > Sent: Sat, Aug 17, 2013 3:30 am
> > Subject: Re: [Coco] So, my CoCo 3 may be having some trouble
> > 
> > 
> > On Sat, Aug 17, 2013 at 2:09 AM, Bill Pierce wrote:
> > >
> > > Chris,
> > > Yes, I think so, so if either side makes contact, the cart will
> > > auto boot. So
> > wrap a small stripp of tape around to each side of the contacts
> > 
> > Robert Gault explains this very well here:
> > http://aaronwolfe.com/robert.gault/Coco/Unpublished/CART2RAM.html
> > 
> > Whether pin 7 (top) and pin 8 (bottom) are on the far left side
> > depends on the number of pins on the cartridge. Chris's PNG is of a
> > 28-pin cartridge where pins 1-6 and 35-40 are missing (quite
> > common,
> > I
> > believe).
> > 
> > Tormod
> > 
> > --
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> > 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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